Structure of PDB 1gbn Chain C

Receptor sequence
>1gbnC (length=402) Species: 9606 (Homo sapiens) [Search protein sequence]
PTSDDIFEREYKYGAHNYHPLPVALERGKGIYLWDVEGRKYFDFLSSYSA
VNQGHCHPKIVNALKSQVDKLTLTSRAFYNNVLGEYEEYITKLFNYHKVL
PMNTGVEAGETACKLARKWGYTVKGIQKYKAKIVFAAGNFWGRTLSAISS
STDPTSYDGFGPFMPGFDIIPYNDLPALERALQDPNVAAFMVEPIQGEAG
VVVPDPGYLMGVRELCTRHQVLFIADEIQTGLARTGRWLAVDYENVRPDI
VLLGKALSGGLYPVSAVLCDDDIMLTIKPGEHGSTYGGNPLGCRVAIAAL
EVLEEENLAENADKLGIILRNELMKLPSDVVTAVRGKGLLNAIVIKETKD
WDAWKVCLRLRDNGLLAKPTHGDIIRFAPPLVIKEDELRESIEIINKTIL
SF
3D structure
PDB1gbn Human ornithine aminotransferase complexed with L-canaline and gabaculine: structural basis for substrate recognition.
ChainC
Resolution2.3 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) F177 E230 D263 Q266 K292 T322 R413
Catalytic site (residue number reindexed from 1) F140 E193 D226 Q229 K255 T285 R376
Enzyme Commision number 2.6.1.13: ornithine aminotransferase.
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 GBC C Y55 Y85 F177 E235 K292 Y18 Y48 F140 E198 K255 BindingDB: Ki=2.1nM
BS02 PLP C G142 V143 F177 W178 D263 I265 K292 G105 V106 F140 W141 D226 I228 K255
Gene Ontology
Molecular Function
GO:0004587 ornithine aminotransferase activity
GO:0005515 protein binding
GO:0008483 transaminase activity
GO:0030170 pyridoxal phosphate binding
GO:0042802 identical protein binding
Biological Process
GO:0007601 visual perception
GO:0010121 arginine catabolic process to proline via ornithine
GO:0019544 arginine catabolic process to glutamate
GO:0055129 L-proline biosynthetic process
Cellular Component
GO:0005654 nucleoplasm
GO:0005737 cytoplasm
GO:0005739 mitochondrion
GO:0005759 mitochondrial matrix

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1gbn, PDBe:1gbn, PDBj:1gbn
PDBsum1gbn
PubMed9309222
UniProtP04181|OAT_HUMAN Ornithine aminotransferase, mitochondrial (Gene Name=OAT)

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