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3HOK

X-ray Crystal Structure of Human Heme Oxygenase-1 with (2R, 4S)-2-[2-(4-Chlorophenyl)ethyl]-2-[(1H-imidazol-1-yl)methyl]-4[((5-trifluoromethylpyridin-2-yl)thio)methyl]-1,3-dioxolane: A Novel, Inducible Binding Mode

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 Residues13
DetailsBINDING SITE FOR RESIDUE HEM A 300
ChainResidue
AHIS25
AASN210
APHE214
AHOH323
AHOH332
AALA28
AGLU29
ATYR134
ATHR135
AGLY139
ASER142
AARG183
APHE207

site_idAC2
Number of Residues14
DetailsBINDING SITE FOR RESIDUE HEM B 300
ChainResidue
BLYS18
BHIS25
BALA28
BGLU29
BGLU32
BTYR134
BTHR135
BLEU138
BGLY139
BSER142
BARG183
BPHE207
BASN210
BQ80301

site_idAC3
Number of Residues11
DetailsBINDING SITE FOR RESIDUE Q80 B 301
ChainResidue
BALA31
BARG35
BVAL50
BGLY139
BASP140
BGLY143
BLEU147
BPHE167
BPHE214
BGLU215
BHEM300

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

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PDB entries from 2026-01-14

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