Structure of PDB 1ohy Chain B

Receptor sequence
>1ohyB (length=461) Species: 9823 (Sus scrofa) [Search protein sequence]
FDYDGPLMKTEVPGPRSRELMKQLNIIQNAEAVHFFCNYEESRGNYLVDV
DGNRMLDLYSQISSIPIGYSHPALVKLVQQPQNVSTFINRPALGILPPEN
FVEKLRESLLSVAPKGMSQLITMACGSCSNENAFKTIFMWYRSKERGQSA
FSKEELETCMINQAPGCPDYSILSFMGAFHGRTMGCLATTHSKAIHKIDI
PSFDWPIAPFPRLKYPLEEFVKENQQEEARCLEEVEDLIVKYRKKKKTVA
GIIVEPIQSEGGDNHASDDFFRKLRDISRKHGCAFLVDEVQTGGGSTGKF
WAHEHWGLDDPADVMTFSKKMMTGGFFHKEEFRPNAPYRIFNTWLGDPSK
NLLLAEVINIIKREDLLSNAAHAGKVLLTGLLDLQARYPQFISRVRGRGT
FCSFDTPDESIRNKLISIARNKGVMLGGCGDKSIRFRPTLVFRDHHAHLF
LNIFSDILADF
3D structure
PDB1ohy Structures of {Gamma}-Aminobutyric Acid (Gaba) Aminotransferase, a Pyridoxal 5'-Phosphate, and [2Fe-2S] Cluster-Containing Enzyme, Complexed with {Gamma}-Ethynyl-Gaba and with the Antiepilepsy Drug Vigabatrin
ChainB
Resolution2.8 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) F189 E265 D298 Q301 K329 T353 R445
Catalytic site (residue number reindexed from 1) F179 E255 D288 Q291 K319 T343 R435
Enzyme Commision number 2.6.1.19: 4-aminobutyrate--2-oxoglutarate transaminase.
2.6.1.22: (S)-3-amino-2-methylpropionate transaminase.
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 GEG B F351 T353 F341 T343
BS02 FES B C135 C138 C125 C128
BS03 PLP B G136 S137 F189 H190 G191 D298 V300 Q301 K329 G126 S127 F179 H180 G181 D288 V290 Q291 K319
BS04 GEG B I72 F189 R192 K329 I62 F179 R182 K319
Gene Ontology
Molecular Function
GO:0008483 transaminase activity
GO:0030170 pyridoxal phosphate binding
GO:0032145 succinate-semialdehyde dehydrogenase binding
GO:0034386 4-aminobutyrate:2-oxoglutarate transaminase activity
GO:0042802 identical protein binding
GO:0042803 protein homodimerization activity
GO:0046872 metal ion binding
GO:0047298 (S)-3-amino-2-methylpropionate transaminase activity
GO:0051537 2 iron, 2 sulfur cluster binding
Biological Process
GO:0009448 gamma-aminobutyric acid metabolic process
GO:0009450 gamma-aminobutyric acid catabolic process
GO:0048148 behavioral response to cocaine
Cellular Component
GO:0005739 mitochondrion
GO:0005759 mitochondrial matrix
GO:0005829 cytosol
GO:0032144 4-aminobutyrate transaminase complex

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Cellular Component
External links
PDB RCSB:1ohy, PDBe:1ohy, PDBj:1ohy
PDBsum1ohy
PubMed14534310
UniProtP80147|GABT_PIG 4-aminobutyrate aminotransferase, mitochondrial (Gene Name=ABAT)

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