2ZT9
Crystal Structure of the Cytochrome b6f Complex from Nostoc sp. PCC 7120
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Cytochrome b6 | polymer | 215 | 24291.6 | 1 | UniProt (P0A384) Pfam (PF00033) | Nostoc sp. PCC 7120 | |
| 2 | B (B) | Cytochrome b6-f complex subunit 4 | polymer | 160 | 17548.8 | 1 | UniProt (Q93SX1) Pfam (PF00032) | Nostoc sp. PCC 7120 | 17 kDa polypeptide |
| 3 | C (C) | Apocytochrome f | polymer | 289 | 31178.2 | 1 | UniProt (Q93SW9) Pfam (PF16639) Pfam (PF01333) | Nostoc sp. PCC 7120 | Cytochrome f |
| 4 | D (D) | Cytochrome b6-f complex iron-sulfur subunit 1 | polymer | 179 | 19216.6 | 1 | UniProt (Q93SX0) Pfam (PF00355) | Nostoc sp. PCC 7120 | Rieske iron-sulfur protein 1, Plastohydroquinone:plastocyanin oxidoreductase iron-sulfur protein 1, ISP 1, RISP 1 |
| 5 | E (E) | Cytochrome b6-f complex subunit 6 | polymer | 31 | 3227.0 | 1 | UniProt (Q8YVQ2) Pfam (PF05115) | Nostoc sp. PCC 7120 | Cytochrome b6-f complex subunit VI, Cytochrome b6-f complex subunit petL |
| 6 | F (F) | Cytochrome b6-f complex subunit 7 | polymer | 34 | 3547.2 | 1 | UniProt (P0A3Y1) Pfam (PF08041) | Nostoc sp. PCC 7120 | Cytochrome b6-f complex subunit VII, Cytochrome b6-f complex subunit petM |
| 7 | G (G) | Cytochrome b6-f complex subunit 5 | polymer | 37 | 3997.8 | 1 | UniProt (P58246) Pfam (PF02529) | Nostoc sp. PCC 7120 | Cytochrome b6-f complex subunit V, Cytochrome b6-f complex subunit petG |
| 8 | H (H) | Cytochrome b6-f complex subunit 8 | polymer | 29 | 3234.9 | 1 | UniProt (P61048) Pfam (PF03742) | Nostoc sp. PCC 7120 | Cytochrome b6-f complex subunit VIII, Cytochrome b6-f complex subunit petN |
| 9 | I, J, K, R (A, C) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 4 | Chemie (HEM) | |||
| 10 | L, M, N (A) | UNDECYL-MALTOSIDE | non-polymer | 496.6 | 3 | Chemie (UMQ) | |||
| 11 | O (B) | CHLOROPHYLL A | non-polymer | 893.5 | 1 | Chemie (CLA) | |||
| 12 | P, U (B, H) | (7R,17E)-4-HYDROXY-N,N,N,7-TETRAMETHYL-7-[(8E)-OCTADEC-8-ENOYLOXY]-10-OXO-3,5,9-TRIOXA-4-PHOSPHAHEPTACOS-17-EN-1-AMINIUM 4-OXIDE | non-polymer | 801.1 | 2 | Chemie (OPC) | |||
| 13 | Q (B) | 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL | non-polymer | 795.1 | 1 | Chemie (SQD) | |||
| 14 | S (D) | FE2/S2 (INORGANIC) CLUSTER | non-polymer | 175.8 | 1 | Chemie (FES) | |||
| 15 | T (G) | BETA-CAROTENE | non-polymer | 536.9 | 1 | Chemie (BCR) | |||
| 16 | V, W (A, B) | water | water | 18.0 | 3 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 8 |
| Total formula weight | 106242.0 | |
| Non-Polymers* | Number of molecules | 13 |
| Total formula weight | 7959.3 | |
| All* | Total formula weight | 114201.3 |
