3C7O
Crystal structure of a glycoside hydrolase family 43 arabinoxylan arabinofuranohydrolase from Bacillus subtilis in complex with cellotetraose.
Functional Information from GO Data
Chain | GOid | namespace | contents |
A | 0004553 | molecular_function | hydrolase activity, hydrolyzing O-glycosyl compounds |
A | 0005576 | cellular_component | extracellular region |
A | 0005975 | biological_process | carbohydrate metabolic process |
A | 0016798 | molecular_function | hydrolase activity, acting on glycosyl bonds |
A | 0030246 | molecular_function | carbohydrate binding |
A | 0045493 | biological_process | xylan catabolic process |
A | 0046556 | molecular_function | alpha-L-arabinofuranosidase activity |
A | 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:18980579 |
Chain | Residue | Details |
A | ASP24 |
site_id | SWS_FT_FI2 |
Number of Residues | 1 |
Details | ACT_SITE: Proton donor => ECO:0000305|PubMed:18980579 |
Chain | Residue | Details |
A | GLU225 |
site_id | SWS_FT_FI3 |
Number of Residues | 6 |
Details | BINDING: BINDING => ECO:0000269|PubMed:18980579 |
Chain | Residue | Details |
A | ASN288 | |
A | GLU359 | |
A | GLU361 | |
A | ASN383 | |
A | GLN384 | |
A | ASP480 |
site_id | SWS_FT_FI4 |
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:18980579 |
Chain | Residue | Details |
A | ASP163 |