1PX3
E. COLI (LACZ) BETA-GALACTOSIDASE (G794A)
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 | HOH8616 |
| A | HOH8680 |
| A | HOH8756 |
| 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 3005 |
| Chain | Residue |
| A | DMS8406 |
| A | HOH9192 |
| A | HOH9343 |
| A | HOH9344 |
| A | HOH9399 |
| D | HOH9586 |
| site_id | AC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NA A 3101 |
| Chain | Residue |
| A | ASP201 |
| A | PHE601 |
| A | ASN604 |
| A | HOH8871 |
| 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 | HOH8993 |
| A | HOH9179 |
| site_id | AC6 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA A 3103 |
| Chain | Residue |
| A | PHE931 |
| A | PRO932 |
| A | LEU967 |
| A | THR970 |
| A | HOH8805 |
| A | HOH9254 |
| site_id | AC7 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE NA A 3104 |
| Chain | Residue |
| A | SER647 |
| A | GLU650 |
| A | LEU670 |
| A | DMS8425 |
| A | HOH9267 |
| site_id | AC8 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE MG B 3001 |
| Chain | Residue |
| B | GLU416 |
| B | HIS418 |
| B | GLU461 |
| B | HOH8630 |
| B | HOH8694 |
| B | HOH8771 |
| site_id | AC9 |
| 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 | BC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE NA B 3101 |
| Chain | Residue |
| B | ASP201 |
| B | PHE601 |
| B | ASN604 |
| B | HOH8784 |
| B | HOH8886 |
| site_id | BC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA B 3102 |
| Chain | Residue |
| B | PHE556 |
| B | TYR559 |
| B | PRO560 |
| B | LEU562 |
| B | HOH9005 |
| B | HOH9204 |
| site_id | BC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA B 3103 |
| Chain | Residue |
| B | PHE931 |
| B | PRO932 |
| B | LEU967 |
| B | THR970 |
| B | HOH8819 |
| B | HOH9283 |
| site_id | BC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA B 3104 |
| Chain | Residue |
| B | SER647 |
| B | GLU650 |
| B | LEU670 |
| B | DMS8425 |
| B | HOH9295 |
| B | HOH9418 |
| site_id | BC5 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE MG C 3001 |
| Chain | Residue |
| C | GLU416 |
| C | HIS418 |
| C | GLU461 |
| C | HOH8641 |
| C | HOH8705 |
| C | HOH8782 |
| site_id | BC6 |
| 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 | BC7 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE MG C 3004 |
| Chain | Residue |
| B | HOH9481 |
| B | HOH9574 |
| C | HOH9432 |
| C | HOH9434 |
| site_id | BC8 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE MG C 3006 |
| Chain | Residue |
| A | HOH9436 |
| B | HOH9482 |
| C | HOH9411 |
| C | HOH9436 |
| C | HOH9459 |
| site_id | BC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NA C 3101 |
| Chain | Residue |
| C | ASP201 |
| C | PHE601 |
| C | ASN604 |
| C | HOH8898 |
| site_id | CC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA C 3102 |
| Chain | Residue |
| C | LEU562 |
| C | HOH9022 |
| C | HOH9214 |
| C | PHE556 |
| C | TYR559 |
| C | PRO560 |
| site_id | CC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA C 3103 |
| Chain | Residue |
| C | PHE931 |
| C | PRO932 |
| C | LEU967 |
| C | THR970 |
| C | HOH8831 |
| C | HOH9292 |
| site_id | CC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE NA C 3104 |
| Chain | Residue |
| C | SER647 |
| C | GLU650 |
| C | LEU670 |
| C | DMS8425 |
| C | HOH9305 |
| site_id | CC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE MG D 3001 |
| Chain | Residue |
| D | GLU416 |
| D | HIS418 |
| D | GLU461 |
| D | HOH8759 |
| D | HOH8822 |
| D | HOH8898 |
| site_id | CC5 |
| 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 | CC6 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE MG D 3005 |
| Chain | Residue |
| A | HOH9437 |
| D | HOH9345 |
| D | HOH9495 |
| D | HOH9501 |
| D | HOH9502 |
| D | HOH9570 |
| site_id | CC7 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE NA D 3101 |
| Chain | Residue |
| D | ASP201 |
| D | PHE601 |
| D | ASN604 |
| D | HOH8911 |
| D | HOH9013 |
| site_id | CC8 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA D 3102 |
| Chain | Residue |
| D | PHE556 |
| D | TYR559 |
| D | PRO560 |
| D | LEU562 |
| D | HOH9136 |
| D | HOH9330 |
| site_id | CC9 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE NA D 3103 |
| Chain | Residue |
| D | PHE931 |
| D | PRO932 |
| D | LEU967 |
| D | THR970 |
| D | HOH9414 |
| site_id | DC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE NA D 3104 |
| Chain | Residue |
| D | SER647 |
| D | GLU650 |
| D | LEU670 |
| D | DMS8425 |
| D | HOH9661 |
| site_id | DC2 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE DMS A 8401 |
| Chain | Residue |
| A | THR229 |
| A | VAL330 |
| A | GLY331 |
| A | ASN449 |
| A | PRO451 |
| A | ARG482 |
| A | HOH8613 |
| site_id | DC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS A 8402 |
| Chain | Residue |
| A | ARG557 |
| A | HIS622 |
| A | GLN625 |
| A | GLN628 |
| A | HOH8803 |
| site_id | DC4 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS A 8403 |
| Chain | Residue |
| A | ASN383 |
| A | PHE626 |
| A | TYR642 |
| A | TRP708 |
| A | HOH8812 |
| site_id | DC5 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS A 8404 |
| Chain | Residue |
| A | PRO32 |
| A | ASP45 |
| A | ALA327 |
| A | DMS8501 |
| A | HOH9018 |
| A | HOH9185 |
| site_id | DC6 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS A 8405 |
| Chain | Residue |
| A | THR271 |
| A | LEU291 |
| A | ARG292 |
| A | HOH9225 |
| site_id | DC7 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS A 8406 |
| Chain | Residue |
| A | GLU314 |
| A | HIS316 |
| A | GLY320 |
| A | LEU322 |
| A | MG3005 |
| D | DMS8703 |
| site_id | DC8 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE DMS A 8408 |
| Chain | Residue |
| A | LEU54 |
| A | ASN55 |
| site_id | DC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS A 8409 |
| Chain | Residue |
| A | GLU334 |
| A | HOH8807 |
| A | HOH8810 |
| A | HOH9091 |
| site_id | EC1 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE DMS A 8410 |
| Chain | Residue |
| A | PRO106 |
| A | ILE107 |
| A | PRO115 |
| A | TRP191 |
| A | DMS8419 |
| A | HOH8859 |
| A | HOH8957 |
| site_id | EC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS A 8411 |
| Chain | Residue |
| A | ILE576 |
| A | TRP585 |
| A | SER586 |
| A | ARG973 |
| site_id | EC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS A 8412 |
| Chain | Residue |
| A | GLY276 |
| A | GLU277 |
| A | VAL289 |
| A | THR290 |
| A | ARG292 |
| A | HOH9151 |
| site_id | EC4 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS A 8414 |
| Chain | Residue |
| A | VAL84 |
| A | VAL85 |
| A | HIS93 |
| site_id | EC5 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS A 8416 |
| Chain | Residue |
| A | ARG251 |
| A | ASP252 |
| A | HOH9210 |
| D | ARG251 |
| site_id | EC6 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS A 8417 |
| Chain | Residue |
| A | PHE231 |
| A | ASN232 |
| A | ASP233 |
| A | PHE235 |
| A | GLU334 |
| site_id | EC7 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE DMS A 8419 |
| Chain | Residue |
| A | TYR105 |
| A | PRO106 |
| A | ILE107 |
| A | THR108 |
| A | DMS8410 |
| A | HOH8931 |
| A | HOH8957 |
| site_id | EC8 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS A 8421 |
| Chain | Residue |
| A | HIS93 |
| A | GLY94 |
| A | TYR95 |
| site_id | EC9 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE DMS A 8425 |
| Chain | Residue |
| A | SER647 |
| A | ASP648 |
| A | ASN649 |
| A | GLU650 |
| A | PRO703 |
| A | ASN704 |
| A | NA3104 |
| C | GLN1022 |
| C | LYS1023 |
| site_id | FC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS A 8501 |
| Chain | Residue |
| A | TRP36 |
| A | ASP45 |
| A | PRO47 |
| A | DMS8404 |
| A | HOH9080 |
| A | HOH9298 |
| site_id | FC2 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE DMS A 8502 |
| Chain | Residue |
| A | GLU57 |
| A | TRP58 |
| A | ARG59 |
| A | THR126 |
| A | HOH9101 |
| A | HOH9284 |
| B | GLU819 |
| site_id | FC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS A 8503 |
| Chain | Residue |
| A | PHE629 |
| A | ARG630 |
| A | GLN718 |
| A | TRP720 |
| A | HOH8834 |
| A | HOH9015 |
| site_id | FC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS A 8504 |
| Chain | Residue |
| A | ARG37 |
| A | TRP133 |
| A | GLU136 |
| A | HIS216 |
| site_id | FC5 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS A 8602 |
| Chain | Residue |
| A | GLN266 |
| A | VAL267 |
| A | ALA268 |
| A | SER269 |
| site_id | FC6 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE DMS B 8401 |
| Chain | Residue |
| B | THR229 |
| B | VAL330 |
| B | GLY331 |
| B | ASN449 |
| B | PRO451 |
| B | ARG482 |
| B | HOH8627 |
| site_id | FC7 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS B 8402 |
| Chain | Residue |
| B | ARG557 |
| B | HIS622 |
| B | GLN625 |
| B | GLN628 |
| B | HOH8817 |
| site_id | FC8 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE DMS B 8403 |
| Chain | Residue |
| B | LYS380 |
| B | ASN383 |
| B | PHE626 |
| B | TYR642 |
| B | TRP708 |
| B | HOH8826 |
| B | HOH8899 |
| site_id | FC9 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS B 8404 |
| Chain | Residue |
| B | PRO32 |
| B | PHE33 |
| B | ALA327 |
| B | HOH9027 |
| B | HOH9212 |
| site_id | GC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS B 8405 |
| Chain | Residue |
| B | THR271 |
| B | LEU291 |
| B | ARG292 |
| B | HOH9255 |
| B | HOH9360 |
| site_id | GC2 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS B 8408 |
| Chain | Residue |
| B | LEU54 |
| B | ASN55 |
| B | LEU125 |
| site_id | GC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS B 8409 |
| Chain | Residue |
| B | GLU334 |
| B | VAL335 |
| B | PRO480 |
| B | HOH8821 |
| B | HOH8824 |
| B | HOH9107 |
| site_id | GC4 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS B 8411 |
| Chain | Residue |
| B | PRO584 |
| B | SER586 |
| B | ARG973 |
| B | HOH8718 |
| B | HOH9552 |
| site_id | GC5 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS B 8412 |
| Chain | Residue |
| B | GLY275 |
| B | THR290 |
| B | ARG292 |
| B | HOH9401 |
| site_id | GC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS B 8414 |
| Chain | Residue |
| B | VAL84 |
| B | VAL85 |
| B | HIS93 |
| site_id | GC7 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS B 8416 |
| Chain | Residue |
| B | LEU250 |
| B | ARG251 |
| B | ASP252 |
| site_id | GC8 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS B 8417 |
| Chain | Residue |
| B | PHE231 |
| B | ASN232 |
| B | ASP233 |
| B | GLU334 |
| B | HOH9555 |
| site_id | GC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS B 8421 |
| Chain | Residue |
| B | HIS93 |
| B | GLY94 |
| B | TYR95 |
| B | HOH9203 |
| site_id | HC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS B 8425 |
| Chain | Residue |
| B | SER647 |
| B | ASP648 |
| B | ASN649 |
| B | GLU650 |
| B | ASN704 |
| B | NA3104 |
| site_id | HC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS B 8502 |
| Chain | Residue |
| B | GLU57 |
| B | TRP58 |
| B | LEU125 |
| B | THR126 |
| B | HOH9118 |
| site_id | HC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS B 8504 |
| Chain | Residue |
| B | ARG37 |
| B | SER132 |
| B | TRP133 |
| B | GLU136 |
| B | HIS216 |
| site_id | HC4 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS B 8508 |
| Chain | Residue |
| B | TYR926 |
| B | TYR962 |
| B | HOH8727 |
| site_id | HC5 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS B 8601 |
| Chain | Residue |
| B | VAL267 |
| B | ASN294 |
| B | VAL295 |
| B | GLU296 |
| B | HOH8610 |
| B | HOH9155 |
| site_id | HC6 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS C 8401 |
| Chain | Residue |
| C | THR229 |
| C | VAL330 |
| C | GLY331 |
| C | ASN449 |
| C | PRO451 |
| C | HOH8638 |
| site_id | HC7 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS C 8402 |
| Chain | Residue |
| C | ARG557 |
| C | HIS622 |
| C | GLN625 |
| C | GLN628 |
| C | HOH8829 |
| site_id | HC8 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS C 8403 |
| Chain | Residue |
| C | LYS380 |
| C | ASN383 |
| C | PHE626 |
| C | TYR642 |
| C | TRP708 |
| C | HOH8838 |
| site_id | HC9 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE DMS C 8404 |
| Chain | Residue |
| C | PRO32 |
| C | PHE33 |
| C | TRP36 |
| C | ASP45 |
| C | ARG310 |
| C | ALA327 |
| C | HOH9033 |
| C | HOH9046 |
| C | HOH9222 |
| site_id | IC1 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS C 8405 |
| Chain | Residue |
| C | THR271 |
| C | LEU291 |
| C | ARG292 |
| site_id | IC2 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS C 8408 |
| Chain | Residue |
| C | LEU54 |
| C | ASN55 |
| C | HOH9293 |
| site_id | IC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS C 8409 |
| Chain | Residue |
| C | GLU334 |
| C | VAL335 |
| C | PRO480 |
| C | HOH8833 |
| C | HOH8836 |
| site_id | IC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS C 8410 |
| Chain | Residue |
| C | PRO106 |
| C | PRO115 |
| C | HOH8970 |
| C | HOH8987 |
| site_id | IC5 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS C 8411 |
| Chain | Residue |
| C | ILE576 |
| C | PRO584 |
| C | TRP585 |
| C | SER586 |
| C | ARG973 |
| site_id | IC6 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS C 8412 |
| Chain | Residue |
| C | GLY275 |
| C | VAL289 |
| C | THR290 |
| C | ARG292 |
| C | HOH9186 |
| C | HOH9402 |
| site_id | IC7 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS C 8413 |
| Chain | Residue |
| C | GLY593 |
| C | THR595 |
| C | HOH8970 |
| C | HOH9181 |
| C | HOH9307 |
| site_id | IC8 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS C 8414 |
| Chain | Residue |
| C | VAL84 |
| C | VAL85 |
| C | HIS93 |
| site_id | IC9 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS C 8416 |
| Chain | Residue |
| C | LEU250 |
| C | ARG251 |
| C | ASP252 |
| site_id | JC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS C 8417 |
| Chain | Residue |
| A | HOH9331 |
| C | PHE231 |
| C | ASN232 |
| C | ASP233 |
| C | GLU334 |
| C | HOH9209 |
| site_id | JC2 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE DMS C 8421 |
| Chain | Residue |
| C | HIS93 |
| C | GLY94 |
| site_id | JC3 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE DMS C 8425 |
| Chain | Residue |
| C | ASP648 |
| C | ASN649 |
| C | GLU650 |
| C | PRO703 |
| C | ASN704 |
| C | NA3104 |
| C | HOH9361 |
| site_id | JC4 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS C 8501 |
| Chain | Residue |
| C | ASP45 |
| C | ARG46 |
| C | PRO47 |
| C | HOH9107 |
| C | HOH9339 |
| site_id | JC5 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS C 8503 |
| Chain | Residue |
| C | PHE629 |
| C | ARG630 |
| C | GLN718 |
| C | TRP720 |
| C | HOH8860 |
| C | HOH9043 |
| site_id | JC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS C 8504 |
| Chain | Residue |
| C | ARG37 |
| C | TRP133 |
| C | HIS216 |
| site_id | JC7 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS C 8601 |
| Chain | Residue |
| C | VAL267 |
| C | ASN294 |
| C | GLU296 |
| C | HOH9165 |
| site_id | JC8 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS C 8602 |
| Chain | Residue |
| C | GLN266 |
| C | VAL267 |
| C | ALA268 |
| C | HOH9271 |
| D | LEU740 |
| D | THR742 |
| site_id | JC9 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS D 8401 |
| Chain | Residue |
| D | THR229 |
| D | VAL330 |
| D | GLY331 |
| D | ASN449 |
| D | PRO451 |
| D | HOH8756 |
| site_id | KC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS D 8402 |
| Chain | Residue |
| D | ARG557 |
| D | HIS622 |
| D | GLN623 |
| D | GLN625 |
| D | GLN628 |
| D | HOH8944 |
| site_id | KC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS D 8403 |
| Chain | Residue |
| D | LYS380 |
| D | ASN383 |
| D | PHE626 |
| D | TYR642 |
| D | TRP708 |
| D | HOH8953 |
| site_id | KC3 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE DMS D 8404 |
| Chain | Residue |
| D | PRO32 |
| D | PHE33 |
| D | ALA34 |
| D | TRP36 |
| D | ASP45 |
| D | ALA327 |
| D | HOH9159 |
| site_id | KC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS D 8405 |
| Chain | Residue |
| D | THR271 |
| D | LEU291 |
| D | ARG292 |
| D | HOH9383 |
| site_id | KC5 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS D 8406 |
| Chain | Residue |
| A | GLU136 |
| D | GLU314 |
| D | HIS316 |
| D | GLY320 |
| D | HOH9596 |
| site_id | KC6 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS D 8408 |
| Chain | Residue |
| D | LEU54 |
| D | ASN55 |
| D | GLY56 |
| D | GLU57 |
| D | HOH9415 |
| site_id | KC7 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS D 8409 |
| Chain | Residue |
| D | VAL335 |
| D | PRO480 |
| D | HOH8948 |
| D | HOH8951 |
| D | HOH9076 |
| D | HOH9235 |
| site_id | KC8 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS D 8410 |
| Chain | Residue |
| D | PRO106 |
| D | PRO115 |
| D | DMS8419 |
| D | HOH9099 |
| D | HOH9332 |
| site_id | KC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS D 8411 |
| Chain | Residue |
| D | PRO584 |
| D | SER586 |
| D | ARG973 |
| D | HOH8846 |
| site_id | LC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS D 8412 |
| Chain | Residue |
| D | GLY275 |
| D | GLY276 |
| D | THR290 |
| D | ARG292 |
| site_id | LC2 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS D 8413 |
| Chain | Residue |
| D | GLY593 |
| D | ASP594 |
| D | THR595 |
| site_id | LC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS D 8414 |
| Chain | Residue |
| D | VAL84 |
| D | VAL85 |
| D | HIS93 |
| site_id | LC4 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS D 8416 |
| Chain | Residue |
| D | LEU250 |
| D | ARG251 |
| D | ASP252 |
| site_id | LC5 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS D 8417 |
| Chain | Residue |
| D | PHE231 |
| D | ASN232 |
| D | ASP233 |
| D | PHE235 |
| D | GLU334 |
| D | ARG336 |
| site_id | LC6 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS D 8419 |
| Chain | Residue |
| D | TYR105 |
| D | PRO106 |
| D | DMS8410 |
| D | HOH9072 |
| D | HOH9198 |
| site_id | LC7 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE DMS D 8421 |
| Chain | Residue |
| D | HIS93 |
| D | GLY94 |
| D | HOH9329 |
| site_id | LC8 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE DMS D 8425 |
| Chain | Residue |
| B | GLN1022 |
| B | LYS1023 |
| D | SER647 |
| D | ASP648 |
| D | ASN649 |
| D | GLU650 |
| D | PRO703 |
| D | NA3104 |
| site_id | LC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS D 8501 |
| Chain | Residue |
| D | ASP45 |
| D | PRO47 |
| D | HOH9226 |
| D | HOH9457 |
| site_id | MC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS D 8503 |
| Chain | Residue |
| D | PHE629 |
| D | GLN718 |
| D | TRP720 |
| D | HOH8975 |
| site_id | MC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DMS D 8508 |
| Chain | Residue |
| D | SER923 |
| D | TYR926 |
| D | TYR962 |
| D | HOH8855 |
| site_id | MC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE DMS D 8701 |
| Chain | Residue |
| A | ILE323 |
| D | GLY320 |
| D | THR321 |
| D | LEU322 |
| D | HOH9494 |
| site_id | MC4 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE DMS D 8703 |
| Chain | Residue |
| A | DMS8406 |
| A | HOH9344 |
| D | GLN49 |
| D | ASP130 |
| D | SER132 |
| D | TRP133 |
| D | HOH9600 |
| site_id | MC5 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE DMS D 8705 |
| Chain | Residue |
| D | TRP133 |
| D | LEU134 |
| D | GLN135 |
| D | GLU136 |
| D | GLY137 |
| D | SER174 |
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 | SER462 | |
| B | SER462 | |
| C | SER462 | |
| D | SER462 |
| site_id | SWS_FT_FI2 |
| Number of Residues | 4 |
| Details | ACT_SITE: Nucleophile => ECO:0000269|PubMed:1350782 |
| Chain | Residue | Details |
| A | TYR538 | |
| B | TYR538 | |
| C | TYR538 | |
| D | TYR538 |
| site_id | SWS_FT_FI3 |
| Number of Residues | 28 |
| Details | BINDING: |
| Chain | Residue | Details |
| A | VAL103 | |
| B | SER462 | |
| B | TYR538 | |
| B | CYS602 | |
| B | GLY605 | |
| B | SER1000 | |
| C | VAL103 | |
| C | MET202 | |
| C | SER462 | |
| C | TYR538 | |
| C | CYS602 | |
| A | MET202 | |
| C | GLY605 | |
| C | SER1000 | |
| D | VAL103 | |
| D | MET202 | |
| D | SER462 | |
| D | TYR538 | |
| D | CYS602 | |
| D | GLY605 | |
| D | SER1000 | |
| A | SER462 | |
| A | TYR538 | |
| A | CYS602 | |
| A | GLY605 | |
| A | SER1000 | |
| B | VAL103 | |
| B | MET202 |
| site_id | SWS_FT_FI4 |
| Number of Residues | 12 |
| Details | BINDING: BINDING => ECO:0000269|PubMed:11045615 |
| Chain | Residue | Details |
| A | THR417 | |
| D | THR417 | |
| D | GLY419 | |
| D | ASP598 | |
| A | GLY419 | |
| A | ASP598 | |
| B | THR417 | |
| B | GLY419 | |
| B | ASP598 | |
| C | THR417 | |
| C | GLY419 | |
| C | ASP598 |
| site_id | SWS_FT_FI5 |
| Number of Residues | 8 |
| Details | SITE: Transition state stabilizer |
| Chain | Residue | Details |
| A | GLU358 | |
| A | TYR392 | |
| B | GLU358 | |
| B | TYR392 | |
| C | GLU358 | |
| C | TYR392 | |
| D | GLU358 | |
| D | TYR392 |
| 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 | SER1000 | |
| B | SER1000 | |
| C | SER1000 | |
| D | SER1000 |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1bgl |
| Chain | Residue | Details |
| A | GLU461 | |
| A | GLU537 |
| site_id | CSA2 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1bgl |
| Chain | Residue | Details |
| B | GLU461 | |
| B | GLU537 |
| site_id | CSA3 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1bgl |
| Chain | Residue | Details |
| C | GLU461 | |
| C | GLU537 |
| site_id | CSA4 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1bgl |
| Chain | Residue | Details |
| D | GLU461 | |
| D | GLU537 |
| site_id | CSA5 |
| Number of Residues | 3 |
| Details | Annotated By Reference To The Literature 1bgl |
| Chain | Residue | Details |
| A | TYR503 | |
| A | GLU461 | |
| A | GLU537 |
| site_id | CSA6 |
| Number of Residues | 3 |
| Details | Annotated By Reference To The Literature 1bgl |
| Chain | Residue | Details |
| B | TYR503 | |
| B | GLU461 | |
| B | GLU537 |
| site_id | CSA7 |
| Number of Residues | 3 |
| Details | Annotated By Reference To The Literature 1bgl |
| Chain | Residue | Details |
| C | TYR503 | |
| C | GLU461 | |
| C | GLU537 |
| site_id | CSA8 |
| Number of Residues | 3 |
| Details | Annotated By Reference To The Literature 1bgl |
| Chain | Residue | Details |
| D | TYR503 | |
| D | GLU461 | |
| D | GLU537 |
| site_id | MCSA1 |
| Number of Residues | 10 |
| Details | M-CSA 422 |
| Chain | Residue | Details |
| A | MET202 | |
| A | GLY605 | |
| A | GLU358 | |
| A | TYR392 | |
| A | THR417 | |
| A | GLY419 | |
| A | SER462 | |
| A | TYR538 | |
| A | ASP598 | |
| A | CYS602 |
| site_id | MCSA2 |
| Number of Residues | 10 |
| Details | M-CSA 422 |
| Chain | Residue | Details |
| B | MET202 | |
| B | GLY605 | |
| B | GLU358 | |
| B | TYR392 | |
| B | THR417 | |
| B | GLY419 | |
| B | SER462 | |
| B | TYR538 | |
| B | ASP598 | |
| B | CYS602 |
| site_id | MCSA3 |
| Number of Residues | 10 |
| Details | M-CSA 422 |
| Chain | Residue | Details |
| C | MET202 | |
| C | GLY605 | |
| C | GLU358 | |
| C | TYR392 | |
| C | THR417 | |
| C | GLY419 | |
| C | SER462 | |
| C | TYR538 | |
| C | ASP598 | |
| C | CYS602 |
| site_id | MCSA4 |
| Number of Residues | 10 |
| Details | M-CSA 422 |
| Chain | Residue | Details |
| D | MET202 | |
| D | GLY605 | |
| D | GLU358 | |
| D | TYR392 | |
| D | THR417 | |
| D | GLY419 | |
| D | SER462 | |
| D | TYR538 | |
| D | ASP598 | |
| D | CYS602 |
