Structure of PDB 3fig Chain A Binding Site BS01

Receptor Information
>3fig Chain A (length=574) Species: 1773 (Mycobacterium tuberculosis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TIVKPAGPPRVGQPSWNPQRASSMPVNRYRPFAEEVEPIRLRNRTWPDRV
IDRAPLWCAVDLRDGNQALIDPMSPARKRRMFDLLVRMGYKEIEVGFPSA
SQTDFDFVREIIEQGAIPDDVTIQVLTQCRPELIERTFQACSGAPRAIVH
FYNSTSILQRRVVFRANRAEVQAIATDGARKCVEQAAKYPGTQWRFEYSP
ESYTGTELEYAKQVCDAVGEVIAPTPERPIIFNLPATVEMTTPNVYADSI
EWMSRNLANRESVILSLHPHNDRGTAVAAAELGFAAGADRIEGCLFGNGE
RTGNVCLVTLGLNLFSRGVDPQIDFSNIDEIRRTVEYCNQLPVHERHPYG
GDLVYTAFSGSHQDAINKGLDAMKLDADAADCDVDDMLWQVPYLPIDPRD
VGRTYEAVIKGGVAYIMKTDHGLSLPRRLQIEFSQVIQKIEVSPKEMWDA
FAEEYLAPVRPLERIRQHVDAADDDGGTTSITATVKINGVETEISGSGNG
PLAAFVHALADVGFDVAVLDYYEHAMSAGDDAQAAAYVEASVTIASKTVW
GVGIAPSITTASLRAVVSAVNRAA
Ligand information
Ligand IDLEU
InChIInChI=1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1
InChIKeyROHFNLRQFUQHCH-YFKPBYRVSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0CC(C)C[C@@H](C(=O)O)N
CACTVS 3.341CC(C)C[C@H](N)C(O)=O
OpenEye OEToolkits 1.5.0CC(C)CC(C(=O)O)N
ACDLabs 10.04O=C(O)C(N)CC(C)C
CACTVS 3.341CC(C)C[CH](N)C(O)=O
FormulaC6 H13 N O2
NameLEUCINE
ChEMBLCHEMBL291962
DrugBankDB00149
ZINCZINC000003645145
PDB chain3fig Chain A Residue 645 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3fig Crystal structure of LeuA from Mycobacterium tuberculosis, a key enzyme in leucine biosynthesis.
Resolution2.3 Å
Binding residue
(original residue number in PDB)		D563 D564 A565 Q566 P625 I627
Binding residue
(residue number reindexed from 1)		D530 D531 A532 Q533 P556 I558
Annotation score1
Enzymatic activity
Enzyme Commision number 2.3.3.13: 2-isopropylmalate synthase.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0003824 catalytic activity
GO:0003852 2-isopropylmalate synthase activity
GO:0003985 acetyl-CoA C-acetyltransferase activity
GO:0005515 protein binding
GO:0008270 zinc ion binding
GO:0016740 transferase activity
GO:0030145 manganese ion binding
GO:0030955 potassium ion binding
GO:0046872 metal ion binding
GO:0046912 acyltransferase activity, acyl groups converted into alkyl on transfer
Biological Process
GO:0009098 L-leucine biosynthetic process
GO:0019752 carboxylic acid metabolic process
Cellular Component
GO:0005576 extracellular region
GO:0005737 cytoplasm
GO:0005886 plasma membrane

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:3fig, PDBe:3fig, PDBj:3fig
PDBsum3fig
PubMed15159544
UniProtP9WQB3|LEU1_MYCTU 2-isopropylmalate synthase (Gene Name=leuA)

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