Structure of PDB 1ekp Chain B Binding Site BS01

Receptor Information
>1ekp Chain B (length=365) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ASSSFKAADLQLEMTQKPHKKPGPGEPLVFGKTFTDHMLMVEWNDKGWGQ
PRIQPFQNLTLHPASSSLHYSLQLFEGMKAFKGKDQQVRLFRPWLNMDRM
LRSAMRLCLPSFDKLELLECIRRLIEVDKDWVPDAAGTSLYVRPVLIGNE
PSLGVSQPRRALLFVILCPVGAYFPGGSVTPVSLLADPAFIRAWVGGVGN
YKLGGNYGPTVLVQQEALKRGCEQVLWLYGPDHQLTEVGTMNIFVYWTHE
DGVLELVTPPLNGVILPGVVRQSLLDMAQTWGEFRVVERTITMKQLLRAL
EEGRVREVFGSGTACQVCPVHRILYKDRNLHIPTMENGPELILRFQKELK
EIQYGIRAHEWMFPV
Ligand information
Ligand IDPLP
InChIInChI=1S/C8H10NO6P/c1-5-8(11)7(3-10)6(2-9-5)4-15-16(12,13)14/h2-3,11H,4H2,1H3,(H2,12,13,14)
InChIKeyNGVDGCNFYWLIFO-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341Cc1ncc(CO[P](O)(O)=O)c(C=O)c1O
OpenEye OEToolkits 1.5.0Cc1c(c(c(cn1)COP(=O)(O)O)C=O)O
ACDLabs 10.04O=P(O)(O)OCc1cnc(c(O)c1C=O)C
FormulaC8 H10 N O6 P
NamePYRIDOXAL-5'-PHOSPHATE;
VITAMIN B6 Phosphate
ChEMBLCHEMBL82202
DrugBankDB00114
ZINCZINC000001532514
PDB chain1ekp Chain B Residue 370 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1ekp The structure of human mitochondrial branched-chain aminotransferase.
Resolution2.5 Å
Binding residue
(original residue number in PDB)		R99 K202 Y207 E237 T240 L266 G268 V269 V270 T313
Binding residue
(residue number reindexed from 1)		R99 K202 Y207 E237 T240 L266 G268 V269 V270 T313
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) K202
Catalytic site (residue number reindexed from 1) K202
Enzyme Commision number 2.6.1.42: branched-chain-amino-acid transaminase.
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:1ekp, PDBe:1ekp, PDBj:1ekp
PDBsum1ekp
PubMed11264579
UniProtO15382|BCAT2_HUMAN Branched-chain-amino-acid aminotransferase, mitochondrial (Gene Name=BCAT2)

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