3T0A
E. coli (LacZ) beta-galactosidase (S796T)
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0000287 | molecular_function | magnesium ion binding |
| A | 0003824 | molecular_function | catalytic activity |
| A | 0004553 | molecular_function | hydrolase activity, hydrolyzing O-glycosyl compounds |
| A | 0004565 | molecular_function | beta-galactosidase activity |
| A | 0005975 | biological_process | carbohydrate metabolic process |
| A | 0005990 | biological_process | lactose catabolic process |
| A | 0009056 | biological_process | catabolic process |
| A | 0009341 | cellular_component | beta-galactosidase complex |
| A | 0016798 | molecular_function | hydrolase activity, acting on glycosyl bonds |
| A | 0030246 | molecular_function | carbohydrate binding |
| A | 0031420 | molecular_function | alkali metal ion binding |
| A | 0042802 | molecular_function | identical protein binding |
| A | 0046872 | molecular_function | metal ion binding |
| B | 0000287 | molecular_function | magnesium ion binding |
| B | 0003824 | molecular_function | catalytic activity |
| B | 0004553 | molecular_function | hydrolase activity, hydrolyzing O-glycosyl compounds |
| B | 0004565 | molecular_function | beta-galactosidase activity |
| B | 0005975 | biological_process | carbohydrate metabolic process |
| B | 0005990 | biological_process | lactose catabolic process |
| B | 0009056 | biological_process | catabolic process |
| B | 0009341 | cellular_component | beta-galactosidase complex |
| B | 0016798 | molecular_function | hydrolase activity, acting on glycosyl bonds |
| B | 0030246 | molecular_function | carbohydrate binding |
| B | 0031420 | molecular_function | alkali metal ion binding |
| B | 0042802 | molecular_function | identical protein binding |
| B | 0046872 | molecular_function | metal ion binding |
| C | 0000287 | molecular_function | magnesium ion binding |
| C | 0003824 | molecular_function | catalytic activity |
| C | 0004553 | molecular_function | hydrolase activity, hydrolyzing O-glycosyl compounds |
| C | 0004565 | molecular_function | beta-galactosidase activity |
| C | 0005975 | biological_process | carbohydrate metabolic process |
| C | 0005990 | biological_process | lactose catabolic process |
| C | 0009056 | biological_process | catabolic process |
| C | 0009341 | cellular_component | beta-galactosidase complex |
| C | 0016798 | molecular_function | hydrolase activity, acting on glycosyl bonds |
| C | 0030246 | molecular_function | carbohydrate binding |
| C | 0031420 | molecular_function | alkali metal ion binding |
| C | 0042802 | molecular_function | identical protein binding |
| C | 0046872 | molecular_function | metal ion binding |
| D | 0000287 | molecular_function | magnesium ion binding |
| D | 0003824 | molecular_function | catalytic activity |
| D | 0004553 | molecular_function | hydrolase activity, hydrolyzing O-glycosyl compounds |
| D | 0004565 | molecular_function | beta-galactosidase activity |
| D | 0005975 | biological_process | carbohydrate metabolic process |
| D | 0005990 | biological_process | lactose catabolic process |
| D | 0009056 | biological_process | catabolic process |
| D | 0009341 | cellular_component | beta-galactosidase complex |
| D | 0016798 | molecular_function | hydrolase activity, acting on glycosyl bonds |
| D | 0030246 | molecular_function | carbohydrate binding |
| D | 0031420 | molecular_function | alkali metal ion binding |
| D | 0042802 | molecular_function | identical protein binding |
| D | 0046872 | molecular_function | metal ion binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE MG A 3001 |
| Chain | Residue |
| A | GLU416 |
| A | HIS418 |
| A | GLU461 |
| A | HOH4688 |
| A | HOH4751 |
| A | HOH4843 |
| site_id | AC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE MG A 3002 |
| Chain | Residue |
| A | GLN163 |
| A | ASP193 |
| A | ASP15 |
| A | ASN18 |
| A | VAL21 |
| site_id | AC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE MG A 3003 |
| Chain | Residue |
| A | GLN718 |
| A | HOH4334 |
| A | HOH4459 |
| A | HOH4578 |
| A | HOH4789 |
| A | HOH4816 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA A 3101 |
| Chain | Residue |
| A | TYR100 |
| A | ASP201 |
| A | PHE601 |
| A | ASN604 |
| A | HOH4222 |
| A | HOH4490 |
| site_id | AC5 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA A 3102 |
| Chain | Residue |
| A | PHE556 |
| A | TYR559 |
| A | PRO560 |
| A | LEU562 |
| A | HOH4306 |
| A | HOH4426 |
| site_id | AC6 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE NA A 3103 |
| Chain | Residue |
| A | PHE931 |
| A | PRO932 |
| A | LEU967 |
| A | MET968 |
| A | THR970 |
| A | HOH4174 |
| A | HOH4569 |
| site_id | AC7 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE NA A 3104 |
| Chain | Residue |
| A | SER647 |
| A | GLU650 |
| A | LEU670 |
| A | HOH4487 |
| A | HOH4735 |
| site_id | AC8 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE DMS A 8001 |
| Chain | Residue |
| A | THR229 |
| A | VAL330 |
| A | GLY331 |
| A | ARG448 |
| A | ASN449 |
| A | PRO451 |
| A | ARG482 |
| A | HOH4010 |
| site_id | AC9 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS A 8002 |
| Chain | Residue |
| A | ARG557 |
| A | HIS622 |
| A | GLN625 |
| A | GLN628 |
| A | HOH4173 |
| site_id | BC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS A 8003 |
| Chain | Residue |
| A | LYS380 |
| A | ASN383 |
| A | PHE626 |
| A | TYR642 |
| A | TRP708 |
| A | HOH4178 |
| site_id | BC2 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE DMS A 8004 |
| Chain | Residue |
| A | PRO32 |
| A | PHE33 |
| A | TRP36 |
| A | ASP45 |
| A | ALA327 |
| A | HOH4324 |
| A | HOH4656 |
| A | HOH4726 |
| site_id | BC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS A 8005 |
| Chain | Residue |
| A | THR271 |
| A | LEU291 |
| A | ARG292 |
| site_id | BC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS A 8006 |
| Chain | Residue |
| A | GLU314 |
| A | HIS316 |
| A | GLY320 |
| A | HOH4461 |
| site_id | BC5 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS A 8007 |
| Chain | Residue |
| A | ARG505 |
| A | GLU508 |
| A | PRO1001 |
| A | SER1002 |
| A | VAL1003 |
| A | GLN1008 |
| site_id | BC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS A 8008 |
| Chain | Residue |
| A | VAL335 |
| A | PRO480 |
| A | HOH4177 |
| site_id | BC7 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS A 8009 |
| Chain | Residue |
| A | PRO106 |
| A | PRO115 |
| A | HOH4282 |
| site_id | BC8 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS A 8010 |
| Chain | Residue |
| A | PRO584 |
| A | TRP585 |
| A | SER586 |
| A | ARG973 |
| A | HOH4090 |
| site_id | BC9 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE DMS A 8011 |
| Chain | Residue |
| A | GLY275 |
| A | GLY276 |
| A | GLU277 |
| A | VAL289 |
| A | THR290 |
| A | ARG292 |
| A | HOH4761 |
| site_id | CC1 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE DMS A 8012 |
| Chain | Residue |
| A | ASP252 |
| D | ARG251 |
| site_id | CC2 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE DMS A 8013 |
| Chain | Residue |
| A | ASP428 |
| A | HOH4638 |
| site_id | CC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS A 8014 |
| Chain | Residue |
| A | ALA34 |
| A | TRP36 |
| A | ASP45 |
| A | PRO47 |
| A | SER48 |
| site_id | CC4 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS A 8015 |
| Chain | Residue |
| A | ARG37 |
| A | GLN50 |
| A | TRP133 |
| A | HIS216 |
| A | HOH4549 |
| site_id | CC5 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS A 8016 |
| Chain | Residue |
| A | GLN266 |
| A | VAL267 |
| A | ALA268 |
| A | SER269 |
| site_id | CC6 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS A 8017 |
| Chain | Residue |
| A | TYR472 |
| A | THR494 |
| A | THR496 |
| A | HOH4604 |
| site_id | CC7 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS A 8018 |
| Chain | Residue |
| A | LEU377 |
| A | THR706 |
| A | ALA707 |
| A | SER709 |
| A | GLU710 |
| site_id | CC8 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS A 8019 |
| Chain | Residue |
| A | ARG404 |
| A | TYR405 |
| A | HOH4415 |
| site_id | CC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS A 8020 |
| Chain | Residue |
| A | GLN783 |
| A | PHE784 |
| A | THR785 |
| A | HIS815 |
| site_id | DC1 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE DMS A 8021 |
| Chain | Residue |
| A | ASP234 |
| A | ASN345 |
| site_id | DC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS A 8022 |
| Chain | Residue |
| A | LYS621 |
| A | ILE714 |
| A | TRP717 |
| A | HOH4565 |
| A | HOH4633 |
| site_id | DC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS A 8023 |
| Chain | Residue |
| A | ASP319 |
| A | GLY320 |
| D | GLN50 |
| D | SER132 |
| D | TRP133 |
| D | HIS216 |
| site_id | DC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE MG B 3001 |
| Chain | Residue |
| B | GLU416 |
| B | HIS418 |
| B | GLU461 |
| B | HOH4872 |
| B | HOH4943 |
| B | HOH4979 |
| site_id | DC5 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE MG B 3002 |
| Chain | Residue |
| B | ASP15 |
| B | ASN18 |
| B | VAL21 |
| B | GLN163 |
| B | ASP193 |
| site_id | DC6 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE MG B 3003 |
| Chain | Residue |
| B | GLN718 |
| B | THR911 |
| B | HOH4253 |
| B | HOH4322 |
| B | HOH4333 |
| B | HOH4697 |
| B | HOH4971 |
| site_id | DC7 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA B 3102 |
| Chain | Residue |
| B | PHE556 |
| B | TYR559 |
| B | PRO560 |
| B | LEU562 |
| B | HOH4513 |
| B | HOH4641 |
| site_id | DC8 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA B 3103 |
| Chain | Residue |
| B | PHE931 |
| B | PRO932 |
| B | LEU967 |
| B | THR970 |
| B | HOH4179 |
| B | HOH4203 |
| site_id | DC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NA B 3104 |
| Chain | Residue |
| B | SER647 |
| B | GLU650 |
| B | LEU670 |
| B | HOH4614 |
| site_id | EC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA B 3105 |
| Chain | Residue |
| B | TYR100 |
| B | ASP201 |
| B | PHE601 |
| B | ASN604 |
| B | HOH4066 |
| B | HOH4258 |
| site_id | EC2 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE DMS B 8001 |
| Chain | Residue |
| B | THR229 |
| B | VAL330 |
| B | GLY331 |
| B | ARG448 |
| B | ASN449 |
| B | PRO451 |
| B | ARG482 |
| site_id | EC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS B 8002 |
| Chain | Residue |
| B | ARG557 |
| B | HIS622 |
| B | GLN625 |
| B | GLN628 |
| B | HOH4200 |
| site_id | EC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS B 8003 |
| Chain | Residue |
| B | LYS380 |
| B | ASN383 |
| B | PHE626 |
| B | TYR642 |
| B | TRP708 |
| B | HOH4208 |
| site_id | EC5 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE DMS B 8004 |
| Chain | Residue |
| B | PRO32 |
| B | PHE33 |
| B | TRP36 |
| B | ASP45 |
| B | ALA327 |
| B | HOH4368 |
| B | HOH4792 |
| B | HOH4931 |
| site_id | EC6 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS B 8005 |
| Chain | Residue |
| B | THR271 |
| B | LEU291 |
| B | ARG292 |
| B | HOH4703 |
| site_id | EC7 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS B 8006 |
| Chain | Residue |
| B | GLU314 |
| B | HIS316 |
| B | GLY320 |
| site_id | EC8 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS B 8007 |
| Chain | Residue |
| B | GLU508 |
| B | PRO1001 |
| B | HOH4117 |
| site_id | EC9 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS B 8008 |
| Chain | Residue |
| B | TRP36 |
| B | ASP45 |
| B | PRO47 |
| B | HOH4430 |
| B | HOH4779 |
| site_id | FC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS B 8009 |
| Chain | Residue |
| B | VAL335 |
| B | PRO480 |
| B | HOH4078 |
| B | HOH4334 |
| B | HOH4440 |
| site_id | FC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS B 8010 |
| Chain | Residue |
| B | PRO106 |
| B | PRO115 |
| B | HOH4332 |
| B | HOH4514 |
| site_id | FC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS B 8011 |
| Chain | Residue |
| B | PRO584 |
| B | TRP585 |
| B | SER586 |
| B | ARG973 |
| B | HOH4114 |
| C | ASN581 |
| site_id | FC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS B 8012 |
| Chain | Residue |
| B | GLY275 |
| B | GLY276 |
| B | VAL289 |
| B | THR290 |
| B | ARG292 |
| B | HOH4650 |
| site_id | FC5 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS B 8013 |
| Chain | Residue |
| B | GLY593 |
| B | ASP594 |
| B | THR595 |
| B | HOH4878 |
| site_id | FC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS B 8014 |
| Chain | Residue |
| B | VAL84 |
| B | VAL85 |
| B | HIS93 |
| site_id | FC7 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS B 8015 |
| Chain | Residue |
| B | LYS621 |
| B | ARG699 |
| B | TRP717 |
| B | HOH4794 |
| site_id | FC8 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE DMS B 8016 |
| Chain | Residue |
| B | ARG251 |
| B | ASP252 |
| site_id | FC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS B 8017 |
| Chain | Residue |
| B | PHE231 |
| B | ASN232 |
| B | GLU334 |
| B | HOH4509 |
| site_id | GC1 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE DMS B 8018 |
| Chain | Residue |
| B | ASP428 |
| C | HOH4453 |
| site_id | GC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS B 8019 |
| Chain | Residue |
| B | TRP695 |
| B | GLN719 |
| B | HOH4263 |
| B | HOH4559 |
| site_id | GC3 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE DMS B 8020 |
| Chain | Residue |
| B | SER132 |
| B | TRP133 |
| site_id | GC4 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE DMS B 8021 |
| Chain | Residue |
| B | TYR926 |
| B | TYR962 |
| site_id | GC5 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE DMS B 8022 |
| Chain | Residue |
| B | HOH4167 |
| site_id | GC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS B 8023 |
| Chain | Residue |
| B | GLN381 |
| B | ALA707 |
| B | GLU710 |
| site_id | GC7 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE DMS B 8026 |
| Chain | Residue |
| B | PHE60 |
| B | ALA61 |
| B | TRP62 |
| B | GLU80 |
| B | ASP82 |
| B | TYR95 |
| B | HOH4357 |
| B | HOH4487 |
| site_id | GC8 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS B 8024 |
| Chain | Residue |
| B | ILE305 |
| B | PRO306 |
| B | ASN307 |
| B | HOH4555 |
| site_id | GC9 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS B 8025 |
| Chain | Residue |
| B | TYR472 |
| B | THR494 |
| B | THR496 |
| B | ASP497 |
| B | HOH4536 |
| site_id | HC1 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE DMS B 8027 |
| Chain | Residue |
| B | HIS93 |
| B | GLY94 |
| site_id | HC2 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS B 8028 |
| Chain | Residue |
| B | ARG157 |
| B | PHE176 |
| B | LEU177 |
| site_id | HC3 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE DMS B 8029 |
| Chain | Residue |
| B | ASN55 |
| B | ASP211 |
| site_id | HC4 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS B 8030 |
| Chain | Residue |
| B | ARG230 |
| B | PHE231 |
| B | ASN232 |
| site_id | HC5 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS B 8031 |
| Chain | Residue |
| B | TYR105 |
| B | PRO106 |
| B | HOH4407 |
| site_id | HC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS B 8032 |
| Chain | Residue |
| B | TYR926 |
| B | TYR962 |
| B | ARG973 |
| site_id | HC7 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE MG C 3001 |
| Chain | Residue |
| C | GLU416 |
| C | HIS418 |
| C | GLU461 |
| C | HOH4920 |
| C | HOH4958 |
| C | HOH4989 |
| site_id | HC8 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE MG C 3002 |
| Chain | Residue |
| C | ASP15 |
| C | ASN18 |
| C | VAL21 |
| C | GLN163 |
| C | ASP193 |
| site_id | HC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE MG C 3003 |
| Chain | Residue |
| C | GLN718 |
| C | HOH4265 |
| C | HOH4530 |
| C | HOH4531 |
| site_id | IC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA C 3101 |
| Chain | Residue |
| C | TYR100 |
| C | ASP201 |
| C | PHE601 |
| C | ASN604 |
| C | HOH4178 |
| C | HOH4942 |
| site_id | IC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA C 3102 |
| Chain | Residue |
| C | PHE556 |
| C | TYR559 |
| C | PRO560 |
| C | LEU562 |
| C | HOH4369 |
| C | HOH4769 |
| site_id | IC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA C 3103 |
| Chain | Residue |
| C | PHE931 |
| C | PRO932 |
| C | LEU967 |
| C | THR970 |
| C | HOH4586 |
| C | HOH4587 |
| site_id | IC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA C 3104 |
| Chain | Residue |
| C | SER647 |
| C | GLU650 |
| C | LEU670 |
| C | HOH4701 |
| C | HOH4707 |
| C | DMS8016 |
| site_id | IC5 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE DMS C 8001 |
| Chain | Residue |
| C | THR229 |
| C | VAL330 |
| C | GLY331 |
| C | ARG448 |
| C | ASN449 |
| C | PRO451 |
| C | ARG482 |
| C | HOH4825 |
| site_id | IC6 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS C 8002 |
| Chain | Residue |
| C | ARG557 |
| C | HIS622 |
| C | GLN623 |
| C | GLN625 |
| C | GLN628 |
| C | HOH4211 |
| site_id | IC7 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE DMS C 8003 |
| Chain | Residue |
| C | LYS380 |
| C | ASN383 |
| C | PHE626 |
| C | TYR642 |
| C | TRP708 |
| C | HOH4219 |
| C | HOH4490 |
| site_id | IC8 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE DMS C 8004 |
| Chain | Residue |
| C | PRO32 |
| C | PHE33 |
| C | TRP36 |
| C | ASP45 |
| C | ALA327 |
| C | HOH4380 |
| C | DMS8018 |
| site_id | IC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS C 8005 |
| Chain | Residue |
| C | THR271 |
| C | LEU291 |
| C | ARG292 |
| C | HOH4570 |
| site_id | JC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS C 8006 |
| Chain | Residue |
| C | GLU508 |
| C | PRO1001 |
| C | VAL1003 |
| C | HOH4056 |
| site_id | JC2 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS C 8007 |
| Chain | Residue |
| C | VAL335 |
| C | PRO480 |
| C | HOH4217 |
| site_id | JC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS C 8008 |
| Chain | Residue |
| C | PRO584 |
| C | SER586 |
| C | ARG973 |
| C | HOH4390 |
| site_id | JC4 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE DMS C 8009 |
| Chain | Residue |
| C | GLY275 |
| C | GLY276 |
| C | GLU277 |
| C | VAL289 |
| C | THR290 |
| C | ARG292 |
| C | HOH4649 |
| site_id | JC5 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS C 8010 |
| Chain | Residue |
| C | VAL84 |
| C | VAL85 |
| C | HIS93 |
| site_id | JC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS C 8011 |
| Chain | Residue |
| C | LYS621 |
| C | TRP717 |
| C | HOH4315 |
| site_id | JC7 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE DMS C 8012 |
| Chain | Residue |
| C | ARG251 |
| C | ASP252 |
| site_id | JC8 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS C 8013 |
| Chain | Residue |
| C | PRO106 |
| C | PRO596 |
| C | HOH4423 |
| site_id | JC9 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE DMS C 8014 |
| Chain | Residue |
| B | HOH4902 |
| C | ASP428 |
| site_id | KC1 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS C 8015 |
| Chain | Residue |
| C | GLY94 |
| C | TYR95 |
| C | HOH4414 |
| site_id | KC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS C 8016 |
| Chain | Residue |
| C | ASP648 |
| C | ASN649 |
| C | GLU650 |
| C | ASN704 |
| C | NA3104 |
| site_id | KC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS C 8017 |
| Chain | Residue |
| C | GLN719 |
| C | HOH4278 |
| C | HOH4569 |
| site_id | KC4 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS C 8018 |
| Chain | Residue |
| C | ASP45 |
| C | ARG46 |
| C | PRO47 |
| C | SER48 |
| C | DMS8004 |
| site_id | KC5 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS C 8021 |
| Chain | Residue |
| C | GLU57 |
| C | ARG59 |
| C | THR126 |
| C | HOH4462 |
| C | HOH4980 |
| site_id | KC6 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS C 8019 |
| Chain | Residue |
| C | ARG37 |
| C | GLN50 |
| C | SER132 |
| C | TRP133 |
| C | GLU136 |
| C | HIS216 |
| site_id | KC7 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE DMS C 8020 |
| Chain | Residue |
| C | PRO306 |
| site_id | KC8 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS C 8022 |
| Chain | Residue |
| C | PRO47 |
| C | SER48 |
| C | LEU51 |
| C | ARG52 |
| site_id | KC9 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS C 8023 |
| Chain | Residue |
| C | TYR472 |
| C | THR494 |
| C | THR496 |
| C | ASP497 |
| C | HOH4547 |
| site_id | LC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS C 8024 |
| Chain | Residue |
| C | GLN381 |
| C | THR706 |
| C | ALA707 |
| C | TRP708 |
| C | SER709 |
| site_id | LC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS C 8025 |
| Chain | Residue |
| C | PHE60 |
| C | TRP62 |
| C | GLU80 |
| C | ASP82 |
| site_id | LC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS C 8026 |
| Chain | Residue |
| C | ARG230 |
| C | PHE231 |
| C | ASN232 |
| site_id | LC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS C 8027 |
| Chain | Residue |
| C | ARG282 |
| C | GLY283 |
| C | GLY284 |
| C | HOH4444 |
| site_id | LC5 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS C 8028 |
| Chain | Residue |
| B | HIS418 |
| B | HOH4471 |
| C | ARG282 |
| site_id | LC6 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS C 8029 |
| Chain | Residue |
| C | ILE99 |
| C | PRO106 |
| C | TRP191 |
| C | HOH4344 |
| site_id | LC7 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE DMS C 8030 |
| Chain | Residue |
| C | ALA707 |
| site_id | LC8 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS C 8031 |
| Chain | Residue |
| C | ASP782 |
| C | GLN783 |
| C | PHE784 |
| C | THR785 |
| C | HIS815 |
| C | TRP842 |
| site_id | LC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS C 8032 |
| Chain | Residue |
| C | GLN266 |
| C | VAL267 |
| D | LEU740 |
| D | THR742 |
| site_id | MC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE MG D 3001 |
| Chain | Residue |
| D | GLU416 |
| D | HIS418 |
| D | GLU461 |
| D | HOH4680 |
| D | HOH4792 |
| D | HOH4882 |
| site_id | MC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE MG D 3002 |
| Chain | Residue |
| D | ASP15 |
| D | ASN18 |
| D | VAL21 |
| D | GLN163 |
| D | ASP193 |
| site_id | MC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE MG D 3003 |
| Chain | Residue |
| D | GLN718 |
| D | HOH4342 |
| D | HOH4627 |
| D | HOH4854 |
| D | HOH4872 |
| site_id | MC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA D 3101 |
| Chain | Residue |
| D | TYR100 |
| D | ASP201 |
| D | PHE601 |
| D | ASN604 |
| D | HOH4181 |
| D | HOH4183 |
| site_id | MC5 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA D 3102 |
| Chain | Residue |
| D | PHE556 |
| D | TYR559 |
| D | PRO560 |
| D | LEU562 |
| D | HOH4344 |
| D | HOH4474 |
| site_id | MC6 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE NA D 3103 |
| Chain | Residue |
| D | PHE931 |
| D | PRO932 |
| D | LEU967 |
| D | MET968 |
| D | THR970 |
| D | HOH4206 |
| D | HOH4530 |
| site_id | MC7 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NA D 3104 |
| Chain | Residue |
| D | SER647 |
| D | GLU650 |
| D | LEU670 |
| D | HOH4592 |
| site_id | MC8 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE NA D 3105 |
| Chain | Residue |
| D | ASN597 |
| D | HOH4367 |
| D | HOH4628 |
| site_id | MC9 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE DMS D 8001 |
| Chain | Residue |
| D | THR229 |
| D | VAL330 |
| D | GLY331 |
| D | ARG448 |
| D | ASN449 |
| D | ARG482 |
| D | HOH4625 |
| site_id | NC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS D 8002 |
| Chain | Residue |
| D | ARG557 |
| D | HIS622 |
| D | GLN628 |
| D | HOH4205 |
| site_id | NC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS D 8003 |
| Chain | Residue |
| D | LYS380 |
| D | ASN383 |
| D | PHE626 |
| D | TYR642 |
| D | TRP708 |
| D | HOH4211 |
| site_id | NC3 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE DMS D 8004 |
| Chain | Residue |
| D | PRO32 |
| D | PHE33 |
| D | ALA34 |
| D | TRP36 |
| D | ASP45 |
| D | ALA327 |
| D | HOH4360 |
| D | HOH4480 |
| D | HOH4613 |
| D | DMS8014 |
| site_id | NC4 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS D 8005 |
| Chain | Residue |
| D | THR271 |
| D | LEU291 |
| D | ARG292 |
| site_id | NC5 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS D 8006 |
| Chain | Residue |
| A | GLU136 |
| D | HIS316 |
| D | GLY320 |
| D | LEU322 |
| site_id | NC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS D 8007 |
| Chain | Residue |
| D | VAL335 |
| D | PRO480 |
| D | HOH4210 |
| site_id | NC7 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE DMS D 8008 |
| Chain | Residue |
| D | PRO106 |
| D | PRO115 |
| site_id | NC8 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS D 8009 |
| Chain | Residue |
| D | TRP585 |
| D | SER586 |
| D | ARG973 |
| D | HOH4125 |
| site_id | NC9 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS D 8010 |
| Chain | Residue |
| D | GLY275 |
| D | GLY276 |
| D | GLU277 |
| D | THR290 |
| D | ARG292 |
| site_id | OC1 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE DMS D 8011 |
| Chain | Residue |
| D | LYS621 |
| D | HOH4728 |
| site_id | OC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS D 8012 |
| Chain | Residue |
| D | LEU250 |
| D | ARG251 |
| D | ASP252 |
| D | HOH4660 |
| site_id | OC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS D 8013 |
| Chain | Residue |
| D | GLN719 |
| D | HOH4267 |
| D | HOH4342 |
| D | HOH4817 |
| site_id | OC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS D 8014 |
| Chain | Residue |
| D | TRP36 |
| D | ASP45 |
| D | ARG46 |
| D | PRO47 |
| D | HOH4578 |
| D | DMS8004 |
| site_id | OC5 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS D 8015 |
| Chain | Residue |
| D | SER923 |
| D | TYR926 |
| D | TYR962 |
| D | HOH4134 |
| site_id | OC6 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE DMS D 8016 |
| Chain | Residue |
| D | ILE737 |
| D | GLY752 |
| site_id | OC7 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE DMS D 8017 |
| Chain | Residue |
| D | LEU377 |
| D | ALA707 |
| site_id | OC8 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS D 8018 |
| Chain | Residue |
| D | GLN266 |
| D | VAL267 |
| D | ALA268 |
| D | SER269 |
| site_id | OC9 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS D 8019 |
| Chain | Residue |
| D | PHE231 |
| D | ASN232 |
| D | ARG237 |
| site_id | PC1 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS D 8020 |
| Chain | Residue |
| D | ASP234 |
| D | LEU300 |
| D | PHE644 |
| site_id | PC2 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE DMS D 8021 |
| Chain | Residue |
| A | VAL421 |
| D | GLY284 |
| site_id | PC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS D 8022 |
| Chain | Residue |
| D | LEU910 |
| D | CYS939 |
| D | GLY940 |
| D | GLN956 |
| site_id | PC4 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE DMS D 8023 |
| Chain | Residue |
| D | TYR472 |
| D | THR496 |
Functional Information from PROSITE/UniProt
| site_id | PS00608 |
| Number of Residues | 15 |
| Details | GLYCOSYL_HYDROL_F2_2 Glycosyl hydrolases family 2 acid/base catalyst. DRNHPSVIIWSlg.NE |
| Chain | Residue | Details |
| A | ASP447-GLU461 |
| site_id | PS00719 |
| Number of Residues | 26 |
| Details | GLYCOSYL_HYDROL_F2_1 Glycosyl hydrolases family 2 signature 1. NaVRCSHYPnhplWYtlcDryGLYVV |
| Chain | Residue | Details |
| A | ASN385-VAL410 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 4 |
| Details | ACT_SITE: Proton donor => ECO:0000269|PubMed:6420154 |
| Chain | Residue | Details |
| A | GLU461 | |
| B | GLU461 | |
| C | GLU461 | |
| D | GLU461 |
| site_id | SWS_FT_FI2 |
| Number of Residues | 4 |
| Details | ACT_SITE: Nucleophile => ECO:0000269|PubMed:1350782 |
| Chain | Residue | Details |
| A | GLU537 | |
| B | GLU537 | |
| C | GLU537 | |
| D | GLU537 |
| site_id | SWS_FT_FI3 |
| Number of Residues | 28 |
| Details | BINDING: |
| Chain | Residue | Details |
| A | ASN102 | |
| B | GLU461 | |
| B | GLU537 | |
| B | PHE601 | |
| B | ASN604 | |
| B | TRP999 | |
| C | ASN102 | |
| C | ASP201 | |
| C | GLU461 | |
| C | GLU537 | |
| C | PHE601 | |
| A | ASP201 | |
| C | ASN604 | |
| C | TRP999 | |
| D | ASN102 | |
| D | ASP201 | |
| D | GLU461 | |
| D | GLU537 | |
| D | PHE601 | |
| D | ASN604 | |
| D | TRP999 | |
| A | GLU461 | |
| A | GLU537 | |
| A | PHE601 | |
| A | ASN604 | |
| A | TRP999 | |
| B | ASN102 | |
| B | ASP201 |
| site_id | SWS_FT_FI4 |
| Number of Residues | 12 |
| Details | BINDING: BINDING => ECO:0000269|PubMed:11045615 |
| Chain | Residue | Details |
| A | GLU416 | |
| D | GLU416 | |
| D | HIS418 | |
| D | ASN597 | |
| A | HIS418 | |
| A | ASN597 | |
| B | GLU416 | |
| B | HIS418 | |
| B | ASN597 | |
| C | GLU416 | |
| C | HIS418 | |
| C | ASN597 |
| site_id | SWS_FT_FI5 |
| Number of Residues | 8 |
| Details | SITE: Transition state stabilizer |
| Chain | Residue | Details |
| A | HIS357 | |
| A | HIS391 | |
| B | HIS357 | |
| B | HIS391 | |
| C | HIS357 | |
| C | HIS391 | |
| D | HIS357 | |
| D | HIS391 |
| site_id | SWS_FT_FI6 |
| Number of Residues | 4 |
| Details | SITE: Important for ensuring that an appropriate proportion of lactose is converted to allolactose |
| Chain | Residue | Details |
| A | TRP999 | |
| B | TRP999 | |
| C | TRP999 | |
| D | TRP999 |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 10 |
| Details | M-CSA 422 |
| Chain | Residue | Details |
| A | ASP201 | |
| A | ASN604 | |
| A | HIS357 | |
| A | HIS391 | |
| A | GLU416 | |
| A | HIS418 | |
| A | GLU461 | |
| A | GLU537 | |
| A | ASN597 | |
| A | PHE601 |
| site_id | MCSA2 |
| Number of Residues | 10 |
| Details | M-CSA 422 |
| Chain | Residue | Details |
| B | ASP201 | |
| B | ASN604 | |
| B | HIS357 | |
| B | HIS391 | |
| B | GLU416 | |
| B | HIS418 | |
| B | GLU461 | |
| B | GLU537 | |
| B | ASN597 | |
| B | PHE601 |
| site_id | MCSA3 |
| Number of Residues | 10 |
| Details | M-CSA 422 |
| Chain | Residue | Details |
| C | ASP201 | |
| C | ASN604 | |
| C | HIS357 | |
| C | HIS391 | |
| C | GLU416 | |
| C | HIS418 | |
| C | GLU461 | |
| C | GLU537 | |
| C | ASN597 | |
| C | PHE601 |
| site_id | MCSA4 |
| Number of Residues | 10 |
| Details | M-CSA 422 |
| Chain | Residue | Details |
| D | ASP201 | |
| D | ASN604 | |
| D | HIS357 | |
| D | HIS391 | |
| D | GLU416 | |
| D | HIS418 | |
| D | GLU461 | |
| D | GLU537 | |
| D | ASN597 | |
| D | PHE601 |
