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 (PF25471) 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) PubChem (44462510) PubChem (58112566) PubChem (59518662) PubChem (46936455) PubChem (68343856) PubChem (70699429) PubChem (70701336) PubChem (70701337) PubChem (70839940) PubChem (70841479) PubChem (70863062) PubChem (71300308) PubChem (447793) PubChem (89952000) PubChem (5076192) PubChem (70699426) PubChem (70699431) PubChem (70796434) PubChem (71300307) PubChem (92132109) PubChem (124643296) PubChem (126731015) PubChem (126731038) PubChem (126735855) PubChem (126735857) PubChem (131632466) PubChem (169544249) | |||
| 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) PubChem (21158846) PubChem (52944159) | |||
| 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) PubChem (25147486) PubChem (25235342) PubChem (42607399) PubChem (159321) PubChem (481096) PubChem (5459390) PubChem (102201395) PubChem (134765349) PubChem (9810997) PubChem (9918745) PubChem (10219110) PubChem (10373133) PubChem (14463145) | |||
| 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) PubChem (573) PubChem (21672398) PubChem (176490061) PubChem (177696266) PubChem (46783370) PubChem (46846294) PubChem (54603957) PubChem (54612003) PubChem (86765360) PubChem (5315709) PubChem (5280489) PubChem (91827292) PubChem (92863345) PubChem (5353436) PubChem (5356616) PubChem (5927371) PubChem (124919640) PubChem (92863346) PubChem (92863347) PubChem (92863348) PubChem (6477957) PubChem (100990628) PubChem (101525094) PubChem (101525095) PubChem (9828626) PubChem (10256668) PubChem (12305639) PubChem (12305640) PubChem (12305642) PubChem (12305644) PubChem (12305647) PubChem (12305652) PubChem (146673260) PubChem (152743364) PubChem (124919639) PubChem (160505766) PubChem (129651951) PubChem (132274419) PubChem (145925599) PubChem (159562859) PubChem (172654026) PubChem (172878405) PubChem (173398668) | |||
| 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 |






