Structure of PDB 6c55 Chain A

Receptor sequence
>6c55A (length=326) Species: 273036 (Staphylococcus aureus RF122) [Search protein sequence]
TTVYYDQDVKTDALQGKKIAVVGYGSQGHAHAQNLKDNGYDVVIGIRPGR
SFDKAKEDGFDVFPVAEAVKQADVIMVLLPDEIQGDVYKNEIEPNLEKHN
ALAFAHGFNIHFGVIQPPADVDVFLVAPKGPGHLVRRTFVEGSAVPSLFG
IQQDASGQARNIALSYAKGIGATRAGVIETTFKEETETDLFGEQAVLCGG
VSKLIQSGFETLVEAGYQPELAYFEVLHEMKLIVDLMYEGGMENVRYSIS
NTAEFGDYVSGPRVITPDVKENMKAVLTDIQNGNFSNRFIEDNKNGFKEF
YKLREEQHGHQIEKVGRELREMMPFI
3D structure
PDB6c55 Design, synthesis, in vitro activity and crystallisation of novel N-isopropyl-N-hydroxyoxamate derivatives as ketol-acid reductoisomerase (KARI) inhibitors
ChainA
Resolution2.09 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) K130 D190 E194
Catalytic site (residue number reindexed from 1) K129 D189 E193
Enzyme Commision number 1.1.1.86: ketol-acid reductoisomerase (NADP(+)).
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 MG A D190 E194 D189 E193
BS02 NAP A G26 S27 Q28 I47 R48 S52 L80 P81 D82 I84 H107 G25 S26 Q27 I46 R47 S51 L79 P80 D81 I83 H106
BS03 EKD A P132 D190 E194 C199 P131 D189 E193 C198
BS04 EKD A I250 S251 A254 I249 S250 A253
BS05 EKA A P132 D190 E194 C199 P131 D189 E193 C198
BS06 NAP A S249 S251 S248 S250
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004455 ketol-acid reductoisomerase activity
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0050661 NADP binding
Biological Process
GO:0008652 amino acid biosynthetic process
GO:0009082 branched-chain amino acid biosynthetic process
GO:0009097 isoleucine biosynthetic process
GO:0009099 L-valine biosynthetic process
Cellular Component
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:6c55, PDBe:6c55, PDBj:6c55
PDBsum6c55
PubMed
UniProtQ2YUF3|ILVC_STAAB Ketol-acid reductoisomerase (NADP(+)) (Gene Name=ilvC)

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