Structure of PDB 5i5x Chain A Binding Site BS01

Receptor Information
>5i5x Chain A (length=358) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SSFKAADLQLEMTQKPHKKPGPLVFGKTFTDHMLMVEWNDKGWGQPRIQP
FQNLTLHPASSSLHYSLQLFEGMKAFKGKDQQVRLFRPWLNMDRMLRSAM
RLCLPSFDKLELLECIRRLIEVDKDWVPDAAGTSLYVRPVLIGNEPSLGV
SQPTRALLFVILCPVGAYFGSVTPVSLLADPAFIRAWVGGVGNYKLGGNY
GPTVLVQQEALKRGCEQVLWLYGPDHQLTEVGTMNIFVYWTHEDGVLELV
TPPLNGVILPGVVRQSLLDMAQTWGEFRVVERTITMKQLLRALEEGRVRE
VFGSGTACQVCPVHRILYKDRNLHIPTMENGPELILRFQKELKEIQYGIR
AHEWMFPV
Ligand information
Ligand IDPMP
InChIInChI=1S/C8H13N2O5P/c1-5-8(11)7(2-9)6(3-10-5)4-15-16(12,13)14/h3,11H,2,4,9H2,1H3,(H2,12,13,14)
InChIKeyZMJGSOSNSPKHNH-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=P(O)(O)OCc1cnc(c(O)c1CN)C
OpenEye OEToolkits 1.5.0Cc1c(c(c(cn1)COP(=O)(O)O)CN)O
CACTVS 3.341Cc1ncc(CO[P](O)(O)=O)c(CN)c1O
FormulaC8 H13 N2 O5 P
Name4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATE;
PYRIDOXAMINE-5'-PHOSPHATE
ChEMBLCHEMBL1235353
DrugBankDB02142
ZINCZINC000001532708
PDB chain5i5x Chain A Residue 401 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB5i5x Structurally Diverse Mitochondrial Branched Chain Aminotransferase (BCATm) Leads with Varying Binding Modes Identified by Fragment Screening.
Resolution1.65 Å
Binding residue
(original residue number in PDB)		R99 R192 K202 Y207 E237 T240 M241 N242 L266 G268 V269 V270 T313
Binding residue
(residue number reindexed from 1)		R94 R185 K195 Y200 E230 T233 M234 N235 L259 G261 V262 V263 T306
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) K202
Catalytic site (residue number reindexed from 1) K195
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:5i5x, PDBe:5i5x, PDBj:5i5x
PDBsum5i5x
PubMed26938474
UniProtO15382|BCAT2_HUMAN Branched-chain-amino-acid aminotransferase, mitochondrial (Gene Name=BCAT2)

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