7F4V image
Deposition Date 2021-06-21
Release Date 2022-04-06
Last Version Date 2024-10-16
Entry Detail
PDB ID:
7F4V
Keywords:
Title:
Cryo-EM structure of a primordial cyanobacterial photosystem I
Biological Source:
Method Details:
Experimental Method:
Resolution:
2.04 Å
Aggregation State:
PARTICLE
Reconstruction Method:
SINGLE PARTICLE
Macromolecular Entities
Polymer Type:polypeptide(L)
Molecule:Photosystem I P700 chlorophyll a apoprotein A1
Gene (Uniprot):psaA
Chain IDs:A (auth: aA), K (auth: bA), U (auth: cA)
Chain Length:783
Number of Molecules:3
Biological Source:Gloeobacter violaceus (strain ATCC 29082 / PCC 7421)
Polymer Type:polypeptide(L)
Molecule:Photosystem I P700 chlorophyll a apoprotein A2
Gene (Uniprot):psaB
Chain IDs:B (auth: aB), L (auth: bB), V (auth: cB)
Chain Length:872
Number of Molecules:3
Biological Source:Gloeobacter violaceus (strain ATCC 29082 / PCC 7421)
Polymer Type:polypeptide(L)
Molecule:Photosystem I iron-sulfur center
Gene (Uniprot):psaC
Chain IDs:C (auth: aC), M (auth: bC), W (auth: cC)
Chain Length:81
Number of Molecules:3
Biological Source:Gloeobacter violaceus (strain ATCC 29082 / PCC 7421)
Polymer Type:polypeptide(L)
Molecule:Photosystem I reaction center subunit II
Gene (Uniprot):psaD
Chain IDs:D (auth: aD), N (auth: bD), X (auth: cD)
Chain Length:144
Number of Molecules:3
Biological Source:Gloeobacter violaceus (strain ATCC 29082 / PCC 7421)
Polymer Type:polypeptide(L)
Molecule:Photosystem I reaction center subunit IV
Gene (Uniprot):psaE
Chain IDs:E (auth: aE), O (auth: bE), Y (auth: cE)
Chain Length:65
Number of Molecules:3
Biological Source:Gloeobacter violaceus (strain ATCC 29082 / PCC 7421)
Polymer Type:polypeptide(L)
Molecule:Photosystem I reaction center subunit III
Gene (Uniprot):psaF
Chain IDs:F (auth: aF), P (auth: bF), Z (auth: cF)
Chain Length:181
Number of Molecules:3
Biological Source:Gloeobacter violaceus (strain ATCC 29082 / PCC 7421)
Polymer Type:polypeptide(L)
Molecule:Photosystem I reaction center subunit Z
Gene (Uniprot):psaZ
Chain IDs:G (auth: aI), Q (auth: bI), AA (auth: cI)
Chain Length:35
Number of Molecules:3
Biological Source:Gloeobacter violaceus (strain ATCC 29082 / PCC 7421)
Polymer Type:polypeptide(L)
Molecule:Unknown protein
Chain IDs:H (auth: aJ), R (auth: bJ), BA (auth: cJ)
Chain Length:33
Number of Molecules:3
Biological Source:Gloeobacter violaceus (strain ATCC 29082 / PCC 7421)
Polymer Type:polypeptide(L)
Molecule:Photosystem I reaction center subunit XI
Gene (Uniprot):psaL
Chain IDs:I (auth: aL), S (auth: bL), CA (auth: cL)
Chain Length:147
Number of Molecules:3
Biological Source:Gloeobacter violaceus (strain ATCC 29082 / PCC 7421)
Polymer Type:polypeptide(L)
Molecule:Photosystem I reaction center subunit XII
Gene (Uniprot):psaM
Chain IDs:J (auth: aM), T (auth: bM), DA (auth: cM)
Chain Length:34
Number of Molecules:3
Biological Source:Gloeobacter violaceus (strain ATCC 29082 / PCC 7421)
Primary Citation
Structural basis for the absence of low-energy chlorophylls responsible for photoprotection from a primitive cyanobacterial PSI
Biorxiv ? ? ? (2022)
DOI: 10.1101/2021.09.29.462462
Primary Citation of related structures