Structure of PDB 1i1k Chain A

Receptor sequence
>1i1kA (length=298) Species: 562 (Escherichia coli) [Search protein sequence]
KADYIWFNGEMVRWEDAKVHVMSHALHYGTSVFEGIRCYDSHKGPVVFRH
REHMQRLHDSAKIYRFPVSQSIDELMEACRDVIRKNNLTSAYIRPLIFVG
DVGMGVNPPAGYSTDVIIAAFPWALEQGIDAMVSSWNRAAPNTIPTAAKA
GGNYLSSLLVGSEARRHGYQEGIALDVNGYISEGAGENLFEVKDGVLFTP
PFTSSALPGITRDAIIKLAKELGIEVREQVLSRESLYLADEVFMSGTAAE
ITPVRSVDGIQVGEGRCGPVTKRIQQAFFGLFTGETEDKWGWLDQVNQ
3D structure
PDB1i1k Structures of Escherichia coli branched-chain amino acid aminotransferase and its complexes with 4-methylvalerate and 2-methylleucine: induced fit and substrate recognition of the enzyme.
ChainA
Resolution2.1 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) K159
Catalytic site (residue number reindexed from 1) K149
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 R59 K159 Y164 E193 G196 E197 L217 I220 T221 T257 R56 K149 Y154 E183 G186 E187 L207 I210 T211 T247
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

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Biological Process
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Cellular Component
External links
PDB RCSB:1i1k, PDBe:1i1k, PDBj:1i1k
PDBsum1i1k
PubMed11412098
UniProtP0AB80|ILVE_ECOLI Branched-chain-amino-acid aminotransferase (Gene Name=ilvE)

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