5zf0

X-ray diffraction
4.2Å resolution

X-ray Structure of the Electron Transfer Complex between Ferredoxin and Photosystem I

Released:

Function and Biology Details

Reaction catalysed:
Reduced plastocyanin + oxidized ferredoxin + light = oxidized plastocyanin + reduced ferredoxin
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero 39-mer (preferred)
PDBe Complex ID:
PDB-CPX-531690 (preferred)
Entry contents:
13 distinct polypeptide molecules
Macromolecules (13 distinct):
Photosystem I P700 chlorophyll a apoprotein A1 Chains: A1, A2, A3, A4, A5, A6
Molecule details ›
Chains: A1, A2, A3, A4, A5, A6
Length: 755 amino acids
Theoretical weight: 83.27 KDa
Source organism: Thermosynechococcus vestitus BP-1
Photosystem I P700 chlorophyll a apoprotein A2 Chains: B1, B2, B3, B4, B5, B6
Molecule details ›
Chains: B1, B2, B3, B4, B5, B6
Length: 740 amino acids
Theoretical weight: 82.99 KDa
Source organism: Thermosynechococcus vestitus BP-1
Photosystem I iron-sulfur center Chains: C1, C2, C3, C4, C5, C6
Molecule details ›
Chains: C1, C2, C3, C4, C5, C6
Length: 80 amino acids
Theoretical weight: 8.68 KDa
Source organism: Thermosynechococcus vestitus BP-1
Photosystem I reaction center subunit II Chains: D1, D2, D3, D4, D5, D6
Molecule details ›
Chains: D1, D2, D3, D4, D5, D6
Length: 138 amino acids
Theoretical weight: 15.26 KDa
Source organism: Thermosynechococcus vestitus BP-1
Photosystem I reaction center subunit IV Chains: E1, E2, E3, E4, E5, E6
Molecule details ›
Chains: E1, E2, E3, E4, E5, E6
Length: 75 amino acids
Theoretical weight: 8.27 KDa
Source organism: Thermosynechococcus vestitus BP-1
Photosystem I reaction center subunit III Chains: F1, F2, F3, F4, F5, F6
Molecule details ›
Chains: F1, F2, F3, F4, F5, F6
Length: 164 amino acids
Theoretical weight: 17.72 KDa
Source organism: Thermosynechococcus vestitus BP-1
Photosystem I reaction center subunit VIII Chains: I1, I2, I3, I4, I5, I6
Molecule details ›
Chains: I1, I2, I3, I4, I5, I6
Length: 38 amino acids
Theoretical weight: 4.3 KDa
Source organism: Thermosynechococcus vestitus BP-1
Photosystem I reaction center subunit IX Chains: J1, J2, J3, J4, J5, J6
Molecule details ›
Chains: J1, J2, J3, J4, J5, J6
Length: 41 amino acids
Theoretical weight: 4.77 KDa
Source organism: Thermosynechococcus vestitus BP-1
Photosystem I reaction center subunit PsaK Chains: K1, K2, K3, K4, K5, K6
Molecule details ›
Chains: K1, K2, K3, K4, K5, K6
Length: 83 amino acids
Theoretical weight: 8.48 KDa
Source organism: Thermosynechococcus vestitus BP-1
Photosystem I reaction center subunit XI Chains: L1, L2, L3, L4, L5, L6
Molecule details ›
Chains: L1, L2, L3, L4, L5, L6
Length: 154 amino acids
Theoretical weight: 16.16 KDa
Source organism: Thermosynechococcus vestitus BP-1
Photosystem I reaction center subunit XII Chains: M1, M2, M3, M4, M5, M6
Molecule details ›
Chains: M1, M2, M3, M4, M5, M6
Length: 31 amino acids
Theoretical weight: 3.43 KDa
Source organism: Thermosynechococcus vestitus BP-1
PsaX Chains: X1, X2, X3, X4, X5, X6
Molecule details ›
Chains: X1, X2, X3, X4, X5, X6
Length: 35 amino acids
Theoretical weight: 3.85 KDa
Source organism: Thermosynechococcus vestitus
Ferredoxin-1 Chains: P1, P2, P3, P4, P5, P6
Molecule details ›
Chains: P1, P2, P3, P4, P5, P6
Length: 97 amino acids
Theoretical weight: 10.72 KDa
Source organism: Thermosynechococcus vestitus BP-1
Expression system: Escherichia coli

Ligands and Environments

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL44XU
Spacegroup: P21
Unit cell:
a: 214.101Å b: 239.668Å c: 265.605Å
α: 90° β: 101.08° γ: 90°
R-values:
R R work R free
0.354 0.353 0.377
Expression system: Escherichia coli