3WFA
Catalytic role of the calcium ion in GH97 inverting glycoside hydrolase
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0000272 | biological_process | polysaccharide catabolic process |
| A | 0004339 | molecular_function | glucan 1,4-alpha-glucosidase activity |
| A | 0004558 | molecular_function | alpha-1,4-glucosidase activity |
| A | 0005509 | molecular_function | calcium ion binding |
| A | 0005886 | cellular_component | plasma membrane |
| A | 0005983 | biological_process | starch catabolic process |
| A | 0016798 | molecular_function | hydrolase activity, acting on glycosyl bonds |
| A | 0030246 | molecular_function | carbohydrate binding |
| A | 0042597 | cellular_component | periplasmic space |
| A | 0046872 | molecular_function | metal ion binding |
| B | 0000272 | biological_process | polysaccharide catabolic process |
| B | 0004339 | molecular_function | glucan 1,4-alpha-glucosidase activity |
| B | 0004558 | molecular_function | alpha-1,4-glucosidase activity |
| B | 0005509 | molecular_function | calcium ion binding |
| B | 0005886 | cellular_component | plasma membrane |
| B | 0005983 | biological_process | starch catabolic process |
| B | 0016798 | molecular_function | hydrolase activity, acting on glycosyl bonds |
| B | 0030246 | molecular_function | carbohydrate binding |
| B | 0042597 | cellular_component | periplasmic space |
| B | 0046872 | molecular_function | metal ion binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA A 801 |
| Chain | Residue |
| A | GLU194 |
| A | GLU508 |
| A | GLU526 |
| A | GLU532 |
| A | HOH1320 |
| A | HOH1405 |
| site_id | AC2 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE EDT A 802 |
| Chain | Residue |
| A | HOH1317 |
| A | HOH1392 |
| A | HOH1513 |
| A | HOH1514 |
| A | HOH1515 |
| B | TYR407 |
| B | ARG449 |
| B | HOH1106 |
| A | ASN488 |
| A | TYR492 |
| A | LYS495 |
| site_id | AC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA B 801 |
| Chain | Residue |
| B | GLU194 |
| B | GLU508 |
| B | GLU526 |
| B | GLU532 |
| B | HOH1292 |
| B | HOH1412 |
| site_id | AC4 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE EDT B 802 |
| Chain | Residue |
| A | TYR407 |
| A | ARG449 |
| A | HOH1081 |
| B | ASN488 |
| B | TYR492 |
| B | LYS495 |
| B | HOH1089 |
| B | HOH1090 |
| B | HOH1324 |
| B | HOH1378 |
| B | HOH1483 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 2 |
| Details | ACT_SITE: Proton donor/acceptor => ECO:0000305|PubMed:18981178 |
| Chain | Residue | Details |
| A | GLU532 | |
| B | GLU532 |
| site_id | SWS_FT_FI2 |
| Number of Residues | 8 |
| Details | BINDING: BINDING => ECO:0000269|PubMed:18981178 |
| Chain | Residue | Details |
| A | GLU194 | |
| A | GLU508 | |
| A | GLU526 | |
| A | GLU532 | |
| B | GLU194 | |
| B | GLU508 | |
| B | GLU526 | |
| B | GLU532 |
| site_id | SWS_FT_FI3 |
| Number of Residues | 6 |
| Details | BINDING: |
| Chain | Residue | Details |
| A | PRO215 | |
| A | HIS437 | |
| A | HIS507 | |
| B | PRO215 | |
| B | HIS437 | |
| B | HIS507 |
| site_id | SWS_FT_FI4 |
| Number of Residues | 6 |
| Details | SITE: Substrate |
| Chain | Residue | Details |
| A | GLU194 | |
| A | TRP331 | |
| A | LYS467 | |
| B | GLU194 | |
| B | TRP331 | |
| B | LYS467 |
