Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

4COT

The importance of the Abn2 calcium cluster in the endo-1,5- arabinanase activity from Bacillus subtilis

Functional Information from GO Data
ChainGOidnamespacecontents
A0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
A0005975biological_processcarbohydrate metabolic process
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NI A 1470
ChainResidue
AHIS173
AGLN318
AHOH2017
AHOH2025
AHOH2138
AHOH2139

site_idAC2
Number of Residues10
DetailsBINDING SITE FOR RESIDUE TRS A 1471
ChainResidue
AVAL170
AASP171
AGLU224
ALEU246
AGLN318
AHOH2018
AHOH2305
AHIS37
AASP38
ATRP100

Functional Information from PROSITE/UniProt
site_idPS00867
Number of Residues8
DetailsCPSASE_2 Carbamoyl-phosphate synthase subdomain signature 2. ILEMNPKT
ChainResidueDetails
AILE195-THR202

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"20883454","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PubMed","id":"20883454","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues5
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"20883454","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"20883454","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsSite: {"description":"Important for catalytic activity, responsible for pKa modulation of the active site Glu and correct orientation of both the proton donor and substrate","evidences":[{"source":"PubMed","id":"20883454","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues1
DetailsSite: {"description":"Important for substrate recognition"}
ChainResidueDetails

243083

PDB entries from 2025-10-15

PDB statisticsPDBj update infoContact PDBjnumon