Structure of PDB 7xxf Chain M Binding Site BS03

Receptor Information

>7xxf Chain M (length=320) Species: 1071 (Rhodopila globiformis)

PEFQNVFTRVQVKGPVHMGVPLPRGSWARTGKPFHLYLLGLIGDAQIGPI
YLGFSGVASIIFGFIAIEIIGFNMLASVDWSVPEFFRQFFWLALEPPAPK
YGLGLAPLAEGGWWGMAGFFLTASILLWWVRMYRRARALGLGTHTAWAFA
SAIFLYLSLGFIRPILMGCWCEAPPFGIFPHLDWTAAFSLRYGNLFYNPF
HMLSIAFLYGSAVLFAMHGGTVLATTRFGGEREVEQITDRGTAGERAMLF
WRWTMGFNATFESIHRWGWWFAVLVTLTGGIGILLTGTVVDNWFLWGVKH
GIAAPWPNVFPHVVDPALLA

Ligand information

• Ligand ID: FE
• InChI: InChI=1S/Fe/q+3
• InChIKey: VTLYFUHAOXGGBS-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  CACTVS 3.341
  OpenEye OEToolkits 1.5.0: [Fe+3]
• Formula: Fe
• Name: FE (III) ION
• DrugBank: DB13949
• PDB chain: 7xxf Chain M Residue 401

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7xxf An LH1-RC photocomplex from an extremophilic phototroph provides insight into origins of two photosynthesis proteins.
• Resolution: 2.24 Å
• Binding residue (original residue number in PDB): H219 E234 H266
• Binding residue (residue number reindexed from 1): H218 E233 H265
• Annotation score: 4

Gene Ontology

Molecular Function

• GO:0042314 bacteriochlorophyll binding
• GO:0045156 electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity
• GO:0046872 metal ion binding

Biological Process

• GO:0009772 photosynthetic electron transport in photosystem II
• GO:0015979 photosynthesis
• GO:0019684 photosynthesis, light reaction

Cellular Component

• GO:0016020 membrane
• GO:0030077 plasma membrane light-harvesting complex
• GO:0042717 plasma membrane-derived chromatophore membrane

External links

• PDB: RCSB:7xxf, PDBe:7xxf, PDBj:7xxf
• PDBsum: 7xxf
• PubMed: 36344631
• UniProt: A0A2S6NEP5