Structure of PDB 4r82 Chain B Binding Site BS03

Receptor Information

>4r82 Chain B (length=165) Species: 1908 (Streptomyces globisporus)

AELVDPKDRVQLRRVFGDFPTGVTVVTVGGSEPRGMTANSFTSVSLSPPL
VLICVGKDAVMHQRLTALPTFAVSVLEAGQEKAARHFADHSVDQFDTVDW
VLGEESGAPLIAGAVAHLECAIHRLYEGGDHTIFLGEVITATRWPAREGM
LFSGGRFRRFAPDAD

Ligand information

• Ligand ID: CA
• InChI: InChI=1S/Ca/q+2
• InChIKey: BHPQYMZQTOCNFJ-UHFFFAOYSA-N
• SMILES:
  CACTVS 3.341: [Ca++]
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Ca+2]
• Formula: Ca
• Name: CALCIUM ION
• DrugBank: DB14577
• PDB chain: 4r82 Chain B Residue 204

Receptor-Ligand Complex Structure

Structure summary

• PDB: 4r82 Crystal Structures of SgcE6 and SgcC, the Two-Component Monooxygenase That Catalyzes Hydroxylation of a Carrier Protein-Tethered Substrate during the Biosynthesis of the Enediyne Antitumor Antibiotic C-1027 in Streptomyces globisporus.
• Resolution: 1.659 Å
• Binding residue (original residue number in PDB): P157 R159
• Binding residue (residue number reindexed from 1): P145 R147
• Annotation score: 1

Enzymatic activity

• Enzyme Commision number: 1.5.1.37: FAD reductase (NADH).

Gene Ontology

Molecular Function

• GO:0000166 nucleotide binding
• GO:0010181 FMN binding
• GO:0016491 oxidoreductase activity
• GO:0016646 oxidoreductase activity, acting on the CH-NH group of donors, NAD or NADP as acceptor
• GO:0042602 riboflavin reductase (NADPH) activity

Biological Process

• GO:0006208 pyrimidine nucleobase catabolic process
• GO:0017000 antibiotic biosynthetic process

External links

• PDB: RCSB:4r82, PDBe:4r82, PDBj:4r82
• PDBsum: 4r82
• PubMed: 27560143
• UniProt: Q8GME2|SGCE6_STRGL NADH-dependent FAD reductase (Gene Name=sgcE6)