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2VZO

Crystal structure of Amycolatopsis orientalis exo-chitosanase CsxA

Functional Information from GO Data
ChainGOidnamespacecontents
A0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
A0005975biological_processcarbohydrate metabolic process
A0030246molecular_functioncarbohydrate binding
B0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
B0005975biological_processcarbohydrate metabolic process
B0030246molecular_functioncarbohydrate binding
Functional Information from PDB Data
site_idAC1
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CD B 1900
ChainResidue
BHIS244
BASP246

site_idAC2
Number of Residues1
DetailsBINDING SITE FOR RESIDUE CD B 1901
ChainResidue
BASP296

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CD A 1900
ChainResidue
AASN299
AHIS310
AHOH2031
BASP68
BLYS187
BHOH2010

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CD A 1909
ChainResidue
AHOH2019
BHIS310
BHOH2095
BHOH2097

site_idAC5
Number of Residues1
DetailsBINDING SITE FOR RESIDUE CD B 1902
ChainResidue
BGLU469

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CD B 1903
ChainResidue
BGLU394
BGLU541
BGOL1907
BHOH2172

site_idAC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CD A 1901
ChainResidue
AGLU394
AGLU541
AGOL1907
AHOH2301

site_idAC8
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CD A 1902
ChainResidue
AGLU469
AGOL1908

site_idAC9
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CD B 1904
ChainResidue
BHIS178
BHOH2032

site_idBC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CD B 1905
ChainResidue
BARG311
BASP404
BHOH2105

site_idBC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CD A 1903
ChainResidue
AASP400
AASP404
AHIS458

site_idBC3
Number of Residues1
DetailsBINDING SITE FOR RESIDUE CD A 1904
ChainResidue
AASP130

site_idBC4
Number of Residues1
DetailsBINDING SITE FOR RESIDUE CD A 1905
ChainResidue
AHIS178

site_idBC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ACT B 1906
ChainResidue
BTYR615
BVAL764
BALA857
BVAL858
BSER859

site_idBC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ACT A 1906
ChainResidue
ATYR615
AVAL764
AALA857
ASER859

site_idBC7
Number of Residues9
DetailsBINDING SITE FOR RESIDUE GOL A 1907
ChainResidue
AASP203
ATRP204
AMET512
ATYR516
AGLU541
ATRP642
ACD1901
AGOL1908
AHOH2301

site_idBC8
Number of Residues3
DetailsBINDING SITE FOR RESIDUE GOL A 1908
ChainResidue
AGLU469
ACD1902
AGOL1907

site_idBC9
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL B 1907
ChainResidue
BASP203
BTRP204
BTYR516
BGLU541
BTRP642
BCD1903

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PubMed","id":"18976664","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"PubMed","id":"18976664","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

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PDB entries from 2025-12-24

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