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2Q32

Crystal structure of human heme oxygenase-2 C127A (HO-2)

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 OXN A 301
ChainResidue
AGLU49
AALA226
APHE227
AASN230
APHE234
AHOH390
AVAL54
APHE57
ALEU74
ATYR134
ATHR155
AARG156
ALEU167
ATYR187

site_idAC2
Number of Residues14
DetailsBINDING SITE FOR RESIDUE OXN B 301
ChainResidue
BPHE53
BVAL54
BTYR134
BTHR155
BARG156
BGLY159
BASP160
BGLY163
BLEU167
BALA226
BPHE227
BASN230
BILE233
BPHE234

Functional Information from PROSITE/UniProt
site_idPS00593
Number of Residues11
DetailsHEME_OXYGENASE Heme oxygenase signature. LVAHAYTRYMG
ChainResidueDetails
ALEU149-GLY159

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"17965015","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2QPP","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"17965015","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2QPP","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsSite: {"description":"Important for catalytic activity","evidences":[{"source":"UniProtKB","id":"P09601","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues7
DetailsAnnotated By Reference To The Literature 1dve
ChainResidueDetails
ATHR155
AARG156
AHIS45
AASP160
ATYR78
AGLY159
AGLY163

site_idCSA2
Number of Residues7
DetailsAnnotated By Reference To The Literature 1dve
ChainResidueDetails
BTHR155
BARG156
BHIS45
BASP160
BTYR78
BGLY159
BGLY163

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1dve
ChainResidueDetails
AGLY164
AASP160

site_idCSA4
Number of Residues2
DetailsAnnotated By Reference To The Literature 1dve
ChainResidueDetails
BGLY164
BASP160

246031

PDB entries from 2025-12-10

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