6RQF
3.6 Angstrom cryo-EM structure of the dimeric cytochrome b6f complex from Spinacia oleracea with natively bound thylakoid lipids and plastoquinone molecules
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, I (I, A) | Cytochrome b6 | polymer | 215 | 24186.5 | 2 | UniProt (P00165) Pfam (PF00033) | Spinacia oleracea (Spinach) | |
| 2 | B, J (J, B) | Cytochrome b6-f complex subunit 4 | polymer | 160 | 17456.7 | 2 | UniProt (P00166) Pfam (PF00032) | Spinacia oleracea (Spinach) | 17 kDa polypeptide |
| 3 | C, K (K, C) | Cytochrome f | polymer | 285 | 31357.0 | 2 | UniProt (P16013) Pfam (PF16639) Pfam (PF01333) | Spinacia oleracea (Spinach) | |
| 4 | D, L (L, D) | Cytochrome b6-f complex iron-sulfur subunit, chloroplastic | polymer | 179 | 18956.5 | 2 | UniProt (P08980) Pfam (PF25471) Pfam (PF00355) | Spinacia oleracea (Spinach) | Plastohydroquinone:plastocyanin oxidoreductase iron-sulfur protein,Rieske iron-sulfur protein,RISP |
| 5 | E, M (M, E) | Cytochrome b6-f complex subunit 6 | polymer | 31 | 3452.2 | 2 | UniProt (Q9M3L0) Pfam (PF05115) | Spinacia oleracea (Spinach) | Cytochrome b6-f complex subunit PetL,Cytochrome b6-f complex subunit VI |
| 6 | F, N (N, F) | Cytochrome b6-f complex subunit 7 | polymer | 36 | 3774.4 | 2 | UniProt (P80883) Pfam (PF08041) | Spinacia oleracea (Spinach) | Cytochrome b6-f complex subunit PetM,Cytochrome b6-f complex subunit VII |
| 7 | G, O (O, G) | Cytochrome b6-f complex subunit 5 | polymer | 37 | 4172.0 | 2 | UniProt (P69461) Pfam (PF02529) | Spinacia oleracea (Spinach) | Cytochrome b6-f complex subunit PetG,Cytochrome b6-f complex subunit V |
| 8 | H, P (P, H) | Cytochrome b6-f complex subunit 8 | polymer | 29 | 3170.8 | 2 | UniProt (P61045) Pfam (PF03742) | Spinacia oleracea (Spinach) | Cytochrome b6-f complex subunit PetN,Cytochrome b6-f complex subunit VIII |
| 9 | EA, FA, Q, R (A, I) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 4 | Chemie (HEM) | |||
| 10 | GA, NA, S, Z (A, C, I, K) | HEME C | non-polymer | 618.5 | 4 | Chemie (HEC) | |||
| 11 | HA, T (A, I) | CHLOROPHYLL A | non-polymer | 893.5 | 2 | Chemie (CLA) | |||
| 12 | SA, U (H, I) | BETA-CAROTENE | non-polymer | 536.9 | 2 | Chemie (BCR) | |||
| 13 | IA, JA, V (A, I) | 2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE | non-polymer | 749.2 | 3 | Chemie (PL9) | |||
| 14 | DA, QA, W (N, E, I) | (4S,7R)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE | non-polymer | 763.1 | 3 | Chemie (6PL) | |||
| 15 | RA, X (F, J) | 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE | non-polymer | 787.2 | 2 | Chemie (LMG) | |||
| 16 | AA, LA, MA, Y (K, A, B, J) | (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE | non-polymer | 749.0 | 4 | Chemie (PGV) | |||
| 17 | BA, PA (L, D) | FE2/S2 (INORGANIC) CLUSTER | non-polymer | 175.8 | 2 | Chemie (FES) | |||
| 18 | CA, KA, OA (L, A, C) | 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL | non-polymer | 795.1 | 3 | Chemie (SQD) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 16 |
| Total formula weight | 213052.2 | |
| Non-Polymers* | Number of molecules | 29 |
| Total formula weight | 19644.9 | |
| All* | Total formula weight | 232697.1 |
