SMTL ID : 7f4v.1

Cryo-EM structure of a primordial cyanobacterial photosystem I

Coordinates
PDB Format
Method
ELECTRON MICROSCOPY
Oligo State
hetero-3-3-3-3-3-3-3-3-3-3-mer
Ligands
3 x CL0: CHLOROPHYLL A ISOMER(Non-covalent)
264 x CLA: CHLOROPHYLL A(Non-covalent)
6 x 1L3: Menaquinone-4(Non-covalent)
9 x SF4: IRON/SULFUR CLUSTER(Non-covalent)
60 x BCR: BETA-CAROTENE(Non-covalent)(Covalent)
9 x LHG: 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE(Non-covalent)
3 x LMG: 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE(Non-covalent)
Links
RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP
Citation
Kato, K. et al., Structural basis for the absence of low-energy chlorophylls responsible for photoprotection from a primitive cyanobacterial PSI. Biorxiv (2022)
Release Date
2022-04-06
Peptides
Photosystem I P700 chlorophyll a apoprotein A1: AKU
Photosystem I P700 chlorophyll a apoprotein A2: BLV
Photosystem I iron-sulfur center: CMW
Photosystem I reaction center subunit II: DNX
Photosystem I reaction center subunit IV: EOY
Photosystem I reaction center subunit III: FPZ
Photosystem I reaction center subunit Z: GQ0
Unknown protein: HR1
Photosystem I reaction center subunit XI: IS2
Photosystem I reaction center subunit XII: JT3
SMTL:PDB
SMTL Chain Id:
PDB Chain Id:
A
aA
K
bA
U
cA
B
aB
L
bB
V
cB
C
aC
M
bC
W
cC
D
aD
N
bD
X
cD
E
aE
O
bE
Y
cE
F
aF
P
bF
Z
cF
G
aI
Q
bI
0
cI
H
aJ
R
bJ
1
cJ
I
aL
S
bL
2
cL
J
aM
T
bM
3
cM
Membrane
We predict this structure to be a membrane protein.

Photosystem I P700 chlorophyll a apoprotein A1

Toggle Identical (AKU)

Photosystem I P700 chlorophyll a apoprotein A2

Toggle Identical (BLV)

Photosystem I iron-sulfur center

Toggle Identical (CMW)

Photosystem I reaction center subunit II

Toggle Identical (DNX)

Photosystem I reaction center subunit IV

Toggle Identical (EOY)

Photosystem I reaction center subunit III

Toggle Identical (FPZ)

Photosystem I reaction center subunit Z

Toggle Identical (GQ0)

Unknown protein

Toggle Identical (HR1)

Photosystem I reaction center subunit XI

Toggle Identical (IS2)

Photosystem I reaction center subunit XII

Toggle Identical (JT3)

Related Entries With Identical Sequence

1bcc.1 | 1izl.1 | 2bcc.1 | 2p5t.2 | 3bcc.1 | 6q9e.1 | 6w6e.1 | 6w6g.1 | 6yxy.16 | 7l6n.1 | 7pkq.1 | 8gbs.1 | 8p0y.1