Structure of PDB 6kqk Chain L Binding Site BS02

Receptor Information

>6kqk Chain L (length=328) Species: 2287 (Saccharolobus solfataricus)

DKTVLDANLDPLKGKTIGVIGYGNQGRVQATIMRENGLNVIVGNVKDKYY
ELAKKEGFEVYEIDEAVRRSDVALLLIPDEVMKEVYEKKIAPVLQGKKEF
VLDFASGYNVAFGLIRPPKSVDTIMVAPRMVGEGIMDLHKQGKGYPVLLG
VKQDASGKAWDYAKAIAKGIGAIPGGIAVISSFEEEALLDLMSEHTWVPI
LFGAIKACYDIAVKEYGVSPEAALLEFYASGELAEIARLIAEEGIFNQMV
HHSTTSQYGTLTRMFKYYDVVRRIVENEAKYIWDGSFAKEWSLEQQAGYP
VFYRLWELATQSEMAKAEKELYKLLGRK

Ligand information

• Ligand ID: MG
• InChI: InChI=1S/Mg/q+2
• InChIKey: JLVVSXFLKOJNIY-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Mg+2]
  CACTVS 3.341: [Mg++]
• Formula: Mg
• Name: MAGNESIUM ION
• DrugBank: DB01378
• PDB chain: 6kqk Chain L Residue 402

Receptor-Ligand Complex Structure

Structure summary

• PDB: 6kqk Temperature-Resolved Cryo-EM Uncovers Structural Bases of Temperature-Dependent Enzyme Functions.
• Resolution: 2.17 Å
• Binding residue (original residue number in PDB): D191 E195
• Binding residue (residue number reindexed from 1): D190 E194
• Annotation score: 1

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

External links

• PDB: RCSB:6kqk, PDBe:6kqk, PDBj:6kqk
• PDBsum: 6kqk
• PubMed: 31829582
• UniProt: Q97YJ9|ILVC2_SACS2 Putative ketol-acid reductoisomerase 2 (Gene Name=ilvC2)