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1OZW

Crystal Structures of the Ferric, Ferrous and Ferrous-NO Forms of the Asp140Ala Mutant of Human Heme Oxygenase-1: Catalytic Implications

Functional Information from GO Data
ChainGOidnamespacecontents
A0004392molecular_functionheme oxygenase (decyclizing) activity
A0006788biological_processheme oxidation
B0004392molecular_functionheme oxygenase (decyclizing) activity
B0006788biological_processheme oxidation
Functional Information from PDB Data
site_idAC1
Number of Residues14
DetailsBINDING SITE FOR RESIDUE HEM A 300
ChainResidue
ALYS18
AARG183
APHE207
AASN210
ANO1400
AHOH1445
AHIS25
AMET34
AGLN38
ATYR134
ATHR135
AARG136
AGLY139
ALEU147

site_idAC2
Number of Residues11
DetailsBINDING SITE FOR RESIDUE HEM B 300
ChainResidue
BLYS18
BHIS25
BTYR134
BARG136
BGLY139
BARG183
BPHE207
BASN210
BPHE214
BHOH342
BHOH387

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE NO A 1400
ChainResidue
AGLY139
AHEM300
AHOH1485

Functional Information from PROSITE/UniProt
site_idPS00593
Number of Residues11
DetailsHEME_OXYGENASE Heme oxygenase signature. LVAHAYTRYLG
ChainResidueDetails
ALEU129-GLY139

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12842469","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1OZW","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"12842469","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1OZW","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsSite: {"description":"Important for catalytic activity","evidences":[{"source":"PubMed","id":"11121422","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues7
DetailsAnnotated By Reference To The Literature 1dve
ChainResidueDetails
AARG136
ATYR58
ATHR135
AASP140
AGLY143
AHIS25
AGLY139

site_idCSA2
Number of Residues7
DetailsAnnotated By Reference To The Literature 1dve
ChainResidueDetails
BARG136
BTYR58
BTHR135
BASP140
BGLY143
BHIS25
BGLY139

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1dve
ChainResidueDetails
AASP140
AGLY144

site_idCSA4
Number of Residues2
DetailsAnnotated By Reference To The Literature 1dve
ChainResidueDetails
BASP140
BGLY144

239803

PDB entries from 2025-08-06

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