Structure of PDB 8iun Chain M Binding Site BS03

Receptor Information

>8iun Chain M (length=306) Species: 120962 (Roseiflexus castenholzii)

PIDLHDEEYRDGLEGTIAKPPGHVGWMQRLLGEGQVGPIYVGLWGVISFI
TFFASAFIILVDYGRQVGWNPIIYLREFWNLAVYPPPTEYGLSWNVPWDK
GGAWLAATFFLHISVLTWWARLYTRAKATGVGTQLAWGFASALSLYFVIY
LFHPLALGNWSAAPGHGFRAILDWTNYVSIHWGNFYYNPFHMLSIFFLLG
STLLLAMHGATIVATSKWKSEMEFTEMMAEGPGTQRAQLFWRWVMGWNAN
SYNIHIWAWWFAAFTAITGAIGLFLSGTLVPDWYAWGETAKIVAPWPNPD
WAQYVF

Ligand information

• Ligand ID: MN
• InChI: InChI=1S/Mn/q+2
• InChIKey: WAEMQWOKJMHJLA-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Mn+2]
  CACTVS 3.341: [Mn++]
• Formula: Mn
• Name: MANGANESE (II) ION
• DrugBank: DB06757
• PDB chain: 8iun Chain M Residue 703

Receptor-Ligand Complex Structure

Structure summary

• PDB: 8iun New insights on the photocomplex of Roseiflexus castenholzii revealed from comparisons of native and carotenoid-depleted complexes.
• Resolution: 2.85 Å
• Binding residue (original residue number in PDB): H542 E557 H589
• Binding residue (residue number reindexed from 1): H208 E223 H255
• Annotation score: 4

Gene Ontology

Molecular Function

• GO:0016168 chlorophyll 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

External links

• PDB: RCSB:8iun, PDBe:8iun, PDBj:8iun
• PDBsum: 8iun
• PubMed: 37468106
• UniProt: A7NQE8