Structure of PDB 1a3g Chain B Binding Site BS01

Receptor Information
>1a3g Chain B (length=295) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KADYIWFNGEMVRWEDAKVHVMSHALHYGTSVFEGIRCYDSHKGPVVFRH
REHMQRLHDSAKIYRFPVSQSIDELMEACRDVIRKNNLTSAYIRPLIFVG
DVGMGVNPPAGYSTDVIIAAFPWQGIDAMVSSWNRAAPNTIPTAAKAGGN
YLSSLLVGSEARRHGYQEGIALDVNGYISEGAGENLFEVKDGVLFTPPFT
SSALPGITRDAIIKLAKELGIEVREQVLSRESLYLADEVFMSGTAAEITP
VRSVDGIQVGEGRCGPVTKRIQQAFFGLFTGETEDKWGWLDQVNQ
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 chain1a3g Chain B Residue 413 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB1a3g Three-dimensional structure of Escherichia coli branched-chain amino acid aminotransferase at 2.5 A resolution.
Resolution2.5 Å
Binding residue
(original residue number in PDB)		R59 K159 Y164 E193 G196 L217 G219 I220 T221 T257
Binding residue
(residue number reindexed from 1)		R56 K146 Y151 E180 G183 L204 G206 I207 T208 T244
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) F36 G38 K159 A160 E193 L217
Catalytic site (residue number reindexed from 1) F33 G35 K146 A147 E180 L204
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:0008483 transaminase activity
GO:0042802 identical protein binding
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:0006532 aspartate biosynthetic process
GO:0008652 amino acid biosynthetic process
GO:0009081 branched-chain amino acid metabolic process
GO:0009082 branched-chain amino acid biosynthetic process
GO:0009097 isoleucine biosynthetic process
GO:0009098 L-leucine biosynthetic process
GO:0009099 L-valine biosynthetic process
GO:0046394 carboxylic acid biosynthetic process
Cellular Component
GO:0005829 cytosol

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1a3g, PDBe:1a3g, PDBj:1a3g
PDBsum1a3g
PubMed9163511
UniProtP0AB80|ILVE_ECOLI Branched-chain-amino-acid aminotransferase (Gene Name=ilvE)

[Back to BioLiP]