Structure of PDB 8xr6 Chain d Binding Site BS03

Receptor Information

>8xr6 Chain d (length=342) Species: 173977 (Chroomonas placoidea)

GRGWFDLIDDWLKRDRFVFVGWSGLLLFPTSYLSIGGWFTGTTFVTSWYT
HGLASSYLEGCNFFTAAVSTPANSMGHSLLLLWGPEAQGDFTRWCQIGGL
WAFCALHGSFALIGFCLRQFEIARLVGIRPYNAIAFSGPIAIFVSVFLMY
PLGQASWFFAPSLGVAAIFRFLLFIQGFHNFTLNPFHMMGVAGILGAALL
CAIHGATVQNTIFEDGDAANTFRAFTPTQAEETYSMVTANRFWSQIFGVA
FSNKRWLHFFMLFVPLAGLWTSAIGIVGLALNLRAYDFVSQELRAAEDPE
FETFYTKNILLNEGIRSWMAAQDQPHENFIFPEEVLPRGNAL

Ligand information

• Ligand ID: BCT
• InChI: InChI=1S/CH2O3/c2-1(3)4/h(H2,2,3,4)/p-1
• InChIKey: BVKZGUZCCUSVTD-UHFFFAOYSA-M
• SMILES:
  OpenEye OEToolkits 1.5.0: C(=O)(O)[O-]
  CACTVS 3.341: OC([O-])=O
  ACDLabs 10.04: [O-]C(=O)O
• Formula: C H O3
• Name: BICARBONATE ION
• PDB chain: 8xr6 Chain a Residue 403

Receptor-Ligand Complex Structure

Structure summary

• PDB: 8xr6 Cryo-EM structure of cryptophyte photosystem II
• Resolution: 2.53 Å
• Binding residue (original residue number in PDB): Y243 K263
• Binding residue (residue number reindexed from 1): Y234 K254
• Annotation score: 1

Gene Ontology

Molecular Function

• GO:0005506 iron ion binding
• GO:0009055 electron transfer activity
• GO:0016168 chlorophyll binding
• GO:0016491 oxidoreductase activity
• GO:0046872 metal ion binding

Biological Process

• GO:0015979 photosynthesis

Cellular Component

• GO:0009523 photosystem II
• GO:0009535 chloroplast thylakoid membrane
• GO:0009536 plastid
• GO:0009579 thylakoid
• GO:0016020 membrane
• GO:0042651 thylakoid membrane

External links

• PDB: RCSB:8xr6, PDBe:8xr6, PDBj:8xr6
• PDBsum: 8xr6
• UniProt: A0A222AI37