Structure of PDB 6jcz Chain K Binding Site BS02

Receptor Information
>6jcz Chain K (length=330) Species: 273057 (Saccharolobus solfataricus P2) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KTVLDANLDPLKGKTIGVIGYGNQGRVQATIMRENGLNVIVGNVKDKYYE
LAKKEGFEVYEIDEAVRRSDVALLLIPDEVMKEVYEKKIAPVLQGKKEFV
LDFASGYNVAFGLIRPPKSVDTIMVAPRMVGEGIMDLHKQGKGYPVLLGV
KQDASGKAWDYAKAIAKGIGAIPGGIAVISSFEEEALLDLMSEHTWVPIL
FGAIKACYDIAVKEYGVSPEAALLEFYASGELAEIARLIAEEGIFNQMVH
HSTTSQYGTLTRMFKYYDVVRRIVENEAKYIWDGSFAKEWSLEQQAGYPV
FYRLWELATQSEMAKAEKELYKLLGRKVKN
Ligand information
Ligand IDNDP
InChIInChI=1S/C21H30N7O17P3/c22-17-12-19(25-7-24-17)28(8-26-12)21-16(44-46(33,34)35)14(30)11(43-21)6-41-48(38,39)45-47(36,37)40-5-10-13(29)15(31)20(42-10)27-3-1-2-9(4-27)18(23)32/h1,3-4,7-8,10-11,13-16,20-21,29-31H,2,5-6H2,(H2,23,32)(H,36,37)(H,38,39)(H2,22,24,25)(H2,33,34,35)/t10-,11-,13-,14-,15-,16-,20-,21-/m1/s1
InChIKeyACFIXJIJDZMPPO-NNYOXOHSSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@](=O)(O)O[P@@](=O)(O)OC[C@@H]4[C@H]([C@H]([C@@H](O4)N5C=CCC(=C5)C(=O)N)O)O)O)OP(=O)(O)O)N
CACTVS 3.341NC(=O)C1=CN(C=CC1)[CH]2O[CH](CO[P](O)(=O)O[P](O)(=O)OC[CH]3O[CH]([CH](O[P](O)(O)=O)[CH]3O)n4cnc5c(N)ncnc45)[CH](O)[CH]2O
CACTVS 3.341NC(=O)C1=CN(C=CC1)[C@@H]2O[C@H](CO[P@@](O)(=O)O[P@](O)(=O)OC[C@H]3O[C@H]([C@H](O[P](O)(O)=O)[C@@H]3O)n4cnc5c(N)ncnc45)[C@@H](O)[C@H]2O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)OCC4C(C(C(O4)N5C=CCC(=C5)C(=O)N)O)O)O)OP(=O)(O)O)N
FormulaC21 H30 N7 O17 P3
NameNADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
ChEMBLCHEMBL407009
DrugBankDB02338
ZINCZINC000008215411
PDB chain6jcz Chain K Residue 402 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB6jcz Use of Cryo-EM To Uncover Structural Bases of pH Effect and Cofactor Bispecificity of Ketol-Acid Reductoisomerase.
Resolution3.35 Å
Binding residue
(original residue number in PDB)		Y23 G24 N25 Q26 N45 V46 Y50 V82
Binding residue
(residue number reindexed from 1)		Y21 G22 N23 Q24 N43 V44 Y48 V80
Annotation score4
Enzymatic activity
Enzyme Commision number 1.1.1.86: ketol-acid reductoisomerase (NADP(+)).
Gene Ontology
Molecular Function
GO:0004455 ketol-acid reductoisomerase activity
GO:0016491 oxidoreductase activity
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

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:6jcz, PDBe:6jcz, PDBj:6jcz
PDBsum6jcz
PubMed30921515
UniProtQ97YJ9|ILVC2_SACS2 Putative ketol-acid reductoisomerase 2 (Gene Name=ilvC2)

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