Structure of PDB 7eqd Chain M Binding Site BS03

Receptor Information

>7eqd Chain M (length=304) Species: 269796 (Rhodospirillum rubrum ATCC 11170)

EYQNILTGVQVRTAPHSAPIAKGIFPRLGKPGFSYWLGKIGDAQIGPIYL
GTTGVLSLVFGFFAIEIIGFNLLASVNWSPMEFGRQFFWLGLEPPAAEYG
LGFAPLAEGGWWQIAGFFLTTSILLWWVRMYRRARALKMGTHTAWAFASA
IFLFLSLGFIRPLLMGNFSESVPFGIFPHLEWTNSFSLNYGNFFYNPFHM
LSIAFLYGSALLFAMHGATILAVSRLGGDREVEQITDRGTAAERAALFWR
WTMGFNATMESIHRWAWWFAVLCTFTGAIGILLTGTVVDNWFEWGVKHGL
APAP

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: 7eqd Chain M Residue 402

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7eqd Cryo-EM Structure of the Photosynthetic LH1-RC Complex from Rhodospirillum rubrum .
• Resolution: 2.76 Å
• Binding residue (original residue number in PDB): H218 E233 H265
• Binding residue (residue number reindexed from 1): H216 E231 H263
• 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:7eqd, PDBe:7eqd, PDBj:7eqd
• PDBsum: 7eqd
• PubMed: 34323477
• UniProt: Q2RQ26