Structure of PDB 6kqj Chain B Binding Site BS03

Receptor Information
>6kqj Chain B (length=328) Species: 2287 (Saccharolobus solfataricus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DKTVLDANLDPLKGKTIGVIGYGNQGRVQATIMRENGLNVIVGNVKDKYY
ELAKKEGFEVYEIDEAVRRSDVALLLIPDEVMKEVYEKKIAPVLQGKKEF
VLDFASGYNVAFGLIRPPKSVDTIMVAPRMVGEGIMDLHKQGKGYPVLLG
VKQDASGKAWDYAKAIAKGIGAIPGGIAVISSFEEEALLDLMSEHTWVPI
LFGAIKACYDIAVKEYGVSPEAALLEFYASGELAEIARLIAEEGIFNQMV
HHSTTSQYGTLTRMFKYYDVVRRIVENEAKYIWDGSFAKEWSLEQQAGYP
VFYRLWELATQSEMAKAEKELYKLLGRK
Ligand information
Ligand IDNAI
InChIInChI=1S/C21H29N7O14P2/c22-17-12-19(25-7-24-17)28(8-26-12)21-16(32)14(30)11(41-21)6-39-44(36,37)42-43(34,35)38-5-10-13(29)15(31)20(40-10)27-3-1-2-9(4-27)18(23)33/h1,3-4,7-8,10-11,13-16,20-21,29-32H,2,5-6H2,(H2,23,33)(H,34,35)(H,36,37)(H2,22,24,25)/t10-,11-,13-,14-,15-,16-,20-,21-/m1/s1
InChIKeyBOPGDPNILDQYTO-NNYOXOHSSA-N
SMILES
SoftwareSMILES
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)O)N
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)[C@@H]3O)n4cnc5c(N)ncnc45)[C@@H](O)[C@H]2O
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)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)[CH]3O)n4cnc5c(N)ncnc45)[CH](O)[CH]2O
FormulaC21 H29 N7 O14 P2
Name1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE;
NADH
ChEMBLCHEMBL1234616
DrugBankDB00157
ZINCZINC000008215403
PDB chain6kqj Chain B Residue 403 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB6kqj Temperature-Resolved Cryo-EM Uncovers Structural Bases of Temperature-Dependent Enzyme Functions.
Resolution2.54 Å
Binding residue
(original residue number in PDB)		G24 N25 Q26 N45 Y50 I78 D80 A106 V132
Binding residue
(residue number reindexed from 1)		G23 N24 Q25 N44 Y49 I77 D79 A105 V131
Annotation score3
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:6kqj, PDBe:6kqj, PDBj:6kqj
PDBsum6kqj
PubMed31829582
UniProtQ97YJ9|ILVC2_SACS2 Putative ketol-acid reductoisomerase 2 (Gene Name=ilvC2)

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