Structure of PDB 7ddq Chain M Binding Site BS06

Receptor Information

>7ddq Chain M (length=305) Species: 1185920 (Phaeovulum veldkampii DSM 11550)

EYQNIFTQVQVAGKPELGMVEGVNLENRTTGTTNWPILGWFGNAQLGPIY
LGTLGTMSLIFGAFWFFLVGVSFIIQADYSPALFLRELFRAGLFPPAPEY
GLSLSAPLMEGGLWLIASFFLMLSVLLWWARTYKRAADLGMGKHTAWAFA
GALWLMFVLSFFRPILMGSWSEAVPYGIFPHLDWTNNFSLTHGNLFYNPF
HGLSIAFLYGSTMLFAMHGATILAVSRLGGERELEQIVDRGTAAERAALF
WRWTMGFNATMEGIHRWGWWFAVLTPVTGGIGILLSGTVVEDWSVWAQVH
GYKAL

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: 7ddq Chain M Residue 404

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7ddq Cryo-EM structure of the photosynthetic RC-LH1-PufX supercomplex at 2.8-angstrom resolution.
• Resolution: 2.84 Å
• Binding residue (original residue number in PDB): H220 E235 H267
• 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:7ddq, PDBe:7ddq, PDBj:7ddq
• PDBsum: 7ddq
• PubMed: 34134992
• UniProt: A0A2T4JIN0