Structure of PDB 4gpf Chain A

Receptor sequence
>4gpfA (length=207) Species: 1717 (Corynebacterium diphtheriae) [Search protein sequence]
GLAVELKQSTAQAHEKAEHSTFMSDLLKGRLGVAEFTRLQEQAWLFYTAL
EQAVDAVRASGFAESLLDPALNRAEVLARDLDKLNGSSEWRSRITASPAV
IDYVNRLEEIRDNVDGPALVAHHYVRYLGDLSGGQVIARMMQRHYGVDPE
ALGFYHFEGIAKLKVYKDEYREKLNNLELSDEQREHLLKEATDAFVFNHQ
VFADLGK
3D structure
PDB4gpf Crystal Structure of the Substrate-Free and the Product-Bound forms of HmuO, a Heme Oxygenase from Corynebacterium diphtheriae
ChainA
Resolution1.9 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) H25 Y53 V131 R132 G135 D136 G140
Catalytic site (residue number reindexed from 1) H19 Y47 V125 R126 G129 D130 G134
Enzyme Commision number 1.14.14.18: heme oxygenase (biliverdin-producing).
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 BLA A K13 H20 E24 M29 Y130 V131 L134 G135 S138 R177 F201 F208 K7 H14 E18 M23 Y124 V125 L128 G129 S132 R171 F195 F202
Gene Ontology
Molecular Function
GO:0004392 heme oxygenase (decyclizing) activity
GO:0016491 oxidoreductase activity
GO:0020037 heme binding
GO:0046872 metal ion binding
Biological Process
GO:0006788 heme oxidation
GO:0006979 response to oxidative stress
GO:0042167 heme catabolic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:4gpf, PDBe:4gpf, PDBj:4gpf
PDBsum4gpf
PubMed
UniProtQ54AI1

[Back to BioLiP]