PDBsum entry 4rku

Photosynthesis

PDB id: 4rku

Contents

Protein chains

721 a.a.

731 a.a.

80 a.a.

137 a.a.

63 a.a.

152 a.a.

84 a.a.

82 a.a.

26 a.a.

40 a.a.

66 a.a.

163 a.a.

85 a.a.

171 a.a.

146 a.a.

151 a.a.

196 a.a.

Ligands

PQN ×2

BCR ×21

LHG ×5

CLA ×157

SF4 ×3

CL0

DGD

LMG ×2

LUT ×6

NEX

G3P

PDB id:

4rku

Name:

Photosynthesis

Title:

Crystal structure of plant photosystem i at 3 angstrom resolution

Structure:

Photosystem i p700 chlorophyll a apoprotein a1. Chain: a. Synonym: psi-a, psaa. Photosystem i p700 chlorophyll a apoprotein a2. Chain: b. Synonym: psi-b, psab. Photosystem i iron-sulfur center. Chain: c. Synonym: 9 kda polypeptide, psi-c, photosystem i subunit vii, psac.

Source:

Pisum sativum. Garden pea. Organism_taxid: 3888. Organism_taxid: 3888

Resolution:

3.00Å R-factor: 0.259 R-free: 0.293

Authors:

Y.Mazor,A.Borovikova,I.Greenberg,N.Nelson

Key ref:

Y.Mazor et al. Crystal structure of plant photosystem I at 3.1 angst resolution. To be published, .

Date:

14-Oct-14 Release date: 04-Feb-15

Protein chain

P05310  (PSAA_PEA) -  Photosystem I P700 chlorophyll a apoprotein A1 from Pisum sativum

Seq: 758 a.a.

Struc: 721 a.a.*

Protein chain

P05311  (PSAB_PEA) -  Photosystem I P700 chlorophyll a apoprotein A2 from Pisum sativum

Seq: 734 a.a.

Struc: 731 a.a.*

Protein chain

P10793  (PSAC_PEA) -  Photosystem I iron-sulfur center from Pisum sativum

Seq: 81 a.a.

Struc: 80 a.a.

Protein chain

E1C9K8  (E1C9K8_PEA) -  Photosystem I reaction center subunit II, chloroplastic from Pisum sativum

Seq: 138 a.a.

Struc: 137 a.a.*

Protein chain

E1C9K6  (E1C9K6_PEA) -  Photosystem I reaction center subunit IV from Pisum sativum

Seq: 64 a.a.

Struc: 63 a.a.*

Protein chain

A0A0H2UKZ4  (A0A0H2UKZ4_PEA) -  Photosystem I reaction center subunit III from Pisum sativum

Seq: 152 a.a.

Struc: 152 a.a.

Protein chain

P20120  (PSAG_PEA) -  Photosystem I reaction center subunit V (Fragment) from Pisum sativum

Seq: 39 a.a.

Struc: 84 a.a.*

Protein chain

E1C9K9  (E1C9K9_PEA) -  Photosystem I reaction center subunit VI from Pisum sativum

Seq: 69 a.a.

Struc: 82 a.a.*

Protein chain

P17227  (PSAI_PEA) -  Photosystem I reaction center subunit VIII from Pisum sativum

Seq: 40 a.a.

Struc: 26 a.a.

Protein chain

D5MAL3  (D5MAL3_PEA) -  Photosystem I reaction center subunit IX from Pisum sativum

Seq: 42 a.a.

Struc: 40 a.a.

Protein chain

E1C9L3  (E1C9L3_PEA) -  PSI-K from Pisum sativum

Seq: 84 a.a.

Struc: 66 a.a.*

Protein chain

E1C9L1  (E1C9L1_PEA) -  PSI subunit V from Pisum sativum

Seq: 161 a.a.

Struc: 163 a.a.*

Protein chain

E1C9K7  (E1C9K7_PEA) -  Photosystem I-N subunit from Pisum sativum

Seq: 85 a.a.

Struc: 85 a.a.*

Protein chain

E1C9L2  (E1C9L2_PEA) -  Chlorophyll a-b binding protein, chloroplastic from Pisum sativum

Seq: 170 a.a.

Struc: 171 a.a.*

Protein chain

Q41038  (Q41038_PEA) -  Chlorophyll a-b binding protein, chloroplastic from Pisum sativum

Seq: 269 a.a.

Struc: 146 a.a.

Protein chain

Q32904  (CB23_PEA) -  Chlorophyll a-b binding protein 3, chloroplastic from Pisum sativum

Seq: 275 a.a.

Struc: 151 a.a.

Protein chain

Q9SQL2  (CB24_PEA) -  Chlorophyll a-b binding protein P4, chloroplastic from Pisum sativum

Seq: 252 a.a.

Struc: 196 a.a.*

* PDB and UniProt seqs differ at 72 residue positions (black crosses)

Enzyme reactions

• Enzyme class: Chains A, B, C: E.C.1.97.1.12 - photosystem I.
• Reaction: reduced [plastocyanin] + hnu + oxidized [2Fe-2S]-[ferredoxin] = oxidized [plastocyanin] + reduced [2Fe-2S]-[ferredoxin]