Structure of PDB 2hhf Chain A

Receptor sequence
>2hhfA (length=347) Species: 9606 (Homo sapiens) [Search protein sequence]
ASSSFKAADLQLEMTFTDHMLMVEWNDKGWGQPRIQPFQNLTLHPASSSL
HYSLQLFEGMKAFKGKDQQVRLFRPWLNMDRMLRSAMRLCLPSFDKLELL
ECIRRLIEVDKDWVPDAAGTSLYVRPVLIGNEPSLGVSQPRRALLFVILC
PVGAYFPGGSVTPVSLLADPAFIRAWVGGVGNYKLGGNYGPTVLVQQEAL
KRGCEQVLWLYGPDHQLTEVGTMNIFVYWTHEDGVLELVTPPLNGVILPG
VVRQSLLDMAQTWGEFRVVERTITMKQLLRALEEGRVREVFGSGTACQVC
PVHRILYKDRNLHIPTMENGPELILRFQKELKEIQYGIRAHEWMFPV
3D structure
PDB2hhf Human Mitochondrial Branched Chain Aminotransferase Isozyme: STRUCTURAL ROLE OF THE CXXC CENTER IN CATALYSIS.
ChainA
Resolution1.8 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) K202
Catalytic site (residue number reindexed from 1) K184
Enzyme Commision number 2.6.1.42: branched-chain-amino-acid 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 PLP A R99 K202 Y207 E237 T240 M241 N242 L266 G268 V269 V270 T313 R81 K184 Y189 E219 T222 M223 N224 L248 G250 V251 V252 T295
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004084 branched-chain-amino-acid transaminase activity
GO:0005515 protein binding
GO:0008483 transaminase activity
GO:0052654 L-leucine-2-oxoglutarate transaminase activity
GO:0052655 L-valine-2-oxoglutarate transaminase activity
GO:0052656 L-isoleucine-2-oxoglutarate transaminase activity
Biological Process
GO:0006549 isoleucine metabolic process
GO:0006550 isoleucine catabolic process
GO:0006551 L-leucine metabolic process
GO:0006573 valine metabolic process
GO:0006629 lipid metabolic process
GO:0008652 amino acid biosynthetic process
GO:0009081 branched-chain amino acid metabolic process
GO:0009082 branched-chain amino acid biosynthetic process
GO:0009083 branched-chain amino acid catabolic process
GO:0009098 L-leucine biosynthetic process
GO:0009099 L-valine biosynthetic process
GO:0010817 regulation of hormone levels
GO:1990830 cellular response to leukemia inhibitory factor
Cellular Component
GO:0005654 nucleoplasm
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:2hhf, PDBe:2hhf, PDBj:2hhf
PDBsum2hhf
PubMed17050531
UniProtO15382|BCAT2_HUMAN Branched-chain-amino-acid aminotransferase, mitochondrial (Gene Name=BCAT2)

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