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3OA5

The structure of chi1, a chitinase from Yersinia entomophaga

Functional Information from GO Data
ChainGOidnamespacecontents
A0000272biological_processpolysaccharide catabolic process
A0004568molecular_functionchitinase activity
A0005576cellular_componentextracellular region
A0005975biological_processcarbohydrate metabolic process
A0006032biological_processchitin catabolic process
A0008061molecular_functionchitin binding
A0008843molecular_functionendochitinase activity
A0016787molecular_functionhydrolase activity
A0016798molecular_functionhydrolase activity, acting on glycosyl bonds
B0000272biological_processpolysaccharide catabolic process
B0004568molecular_functionchitinase activity
B0005576cellular_componentextracellular region
B0005975biological_processcarbohydrate metabolic process
B0006032biological_processchitin catabolic process
B0008061molecular_functionchitin binding
B0008843molecular_functionendochitinase activity
B0016787molecular_functionhydrolase activity
B0016798molecular_functionhydrolase activity, acting on glycosyl bonds
Functional Information from PDB Data
site_idAC1
Number of Residues13
DetailsBINDING SITE FOR RESIDUE 2PE A 543
ChainResidue
AARG95
AHOH715
AHOH725
AHOH763
AHOH903
ATRP215
ATYR379
AARG381
AGLU413
ATRP486
ASER487
AASP489
AGLN490

site_idAC2
Number of Residues8
DetailsBINDING SITE FOR RESIDUE GOL A 544
ChainResidue
ASER298
AALA299
AASP300
AASP326
ATYR352
AHOH721
AHOH731
AHOH732

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL A 545
ChainResidue
ATYR17
AVAL18
AASP98
AGOL546
AHOH754

site_idAC4
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL A 546
ChainResidue
ATYR17
AASP98
ALEU100
AASN169
ACYS170
AGLY171
AGOL545

site_idAC5
Number of Residues12
DetailsBINDING SITE FOR RESIDUE 2PE B 543
ChainResidue
BARG95
BTRP215
BTYR379
BARG381
BGLU413
BSER487
BASP489
BGLN490
BHOH713
BHOH729
BHOH767
BHOH818

site_idAC6
Number of Residues8
DetailsBINDING SITE FOR RESIDUE GOL B 544
ChainResidue
BTRP77
BPHE117
BTRP215
BSER216
BTRP486
BHOH708
BHOH720
BHOH769

site_idAC7
Number of Residues8
DetailsBINDING SITE FOR RESIDUE GOL B 545
ChainResidue
BGLY122
BLYS124
BLYS125
BGLY219
BPRO266
BHOH762
BHOH828
BHOH878

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues876
DetailsDomain: {"description":"GH18","evidences":[{"source":"PROSITE-ProRule","id":"PRU01258","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PROSITE-ProRule","id":"PRU01258","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues18
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01258","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

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PDB entries from 2025-12-17

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