Structure of PDB 6lu1 Chain C

Receptor sequence

>6lu1C (length=80) Species: 197221 (Thermosynechococcus vestitus BP-1)

AHTVKIYDTCIGCTQCVRACPTDVLEMVPWDGCKAGQIASSPRTEDCVGC
KRCETACPTDFLSIRVYLGAETTRSMGLAY

3D structure

• PDB: 6lu1 Cryo-EM structure of a functional monomeric Photosystem I from Thermosynechococcus elongatus reveals red chlorophyll cluster.
• Chain: C
• Resolution: 3.2 Å

Enzymatic activity

• Enzyme Commision number: 1.97.1.12: photosystem I.

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)	Binding affinity
BS01	SF4	C	C20 P21 L25 C47 V48 G49 C50 K51 R52 C53	C20 P21 L25 C47 V48 G49 C50 K51 R52 C53
BS02	SF4	C	C10 I11 G12 C13 C16 C57 P58	C10 I11 G12 C13 C16 C57 P58

Gene Ontology

Molecular Function

• GO:0009055 electron transfer activity
• GO:0016491 oxidoreductase activity
• GO:0046872 metal ion binding
• GO:0051539 4 iron, 4 sulfur cluster binding

Biological Process

• GO:0009773 photosynthetic electron transport in photosystem I
• GO:0015979 photosynthesis

Cellular Component

• GO:0009522 photosystem I
• GO:0009579 thylakoid
• GO:0016020 membrane
• GO:0031676 plasma membrane-derived thylakoid membrane
• GO:0042651 thylakoid membrane

External links

• PDB: RCSB:6lu1, PDBe:6lu1, PDBj:6lu1
• PDBsum: 6lu1
• PubMed: 33686186
• UniProt: P0A415|PSAC_THEVB Photosystem I iron-sulfur center (Gene Name=psaC)