1GYE
Structure of Cellvibrio cellulosa alpha-L-arabinanase complexed with Arabinohexaose
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| B | 0004553 | molecular_function | hydrolase activity, hydrolyzing O-glycosyl compounds |
| B | 0005576 | cellular_component | extracellular region |
| B | 0005975 | biological_process | carbohydrate metabolic process |
| B | 0008152 | biological_process | metabolic process |
| B | 0016787 | molecular_function | hydrolase activity |
| B | 0016798 | molecular_function | hydrolase activity, acting on glycosyl bonds |
| B | 0031222 | biological_process | arabinan catabolic process |
| B | 0046556 | molecular_function | alpha-L-arabinofuranosidase activity |
| B | 0046558 | molecular_function | arabinan endo-1,5-alpha-L-arabinosidase activity |
| B | 0046872 | molecular_function | metal ion binding |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | ACT_SITE: Proton acceptor => ECO:0000305|PubMed:12198486 |
| Chain | Residue | Details |
| B | ASP38 |
| site_id | SWS_FT_FI2 |
| Number of Residues | 1 |
| Details | ACT_SITE: Proton donor => ECO:0000305|PubMed:12198486 |
| Chain | Residue | Details |
| B | GLU221 |
| site_id | SWS_FT_FI3 |
| Number of Residues | 7 |
| Details | BINDING: BINDING => ECO:0000269|PubMed:12198486 |
| Chain | Residue | Details |
| B | ASP35 | |
| B | ASP90 | |
| B | GLY115 | |
| B | ASN155 | |
| B | SER175 | |
| B | GLU221 | |
| B | GLN316 |
| site_id | SWS_FT_FI4 |
| Number of Residues | 1 |
| Details | BINDING: BINDING => ECO:0000305 |
| Chain | Residue | Details |
| B | HIS291 |
| site_id | SWS_FT_FI5 |
| Number of Residues | 1 |
| Details | SITE: Important for catalytic activity, responsible for pKa modulation of the active site Glu and correct orientation of both the proton donor and substrate => ECO:0000305|PubMed:12198486 |
| Chain | Residue | Details |
| B | ALA158 |
| site_id | SWS_FT_FI6 |
| Number of Residues | 1 |
| Details | SITE: Important for substrate recognition and stabilization |
| Chain | Residue | Details |
| B | HIS291 |
