7QRM
Cryo-EM structure of catalytically active Spinacia oleracea cytochrome b6f in complex with endogenous plastoquinones at 2.7 A resolution
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, I (A, I) | Cytochrome b6 | polymer | 215 | 24186.5 | 2 | UniProt (P00165) Pfam (PF00033) | Spinacia oleracea (spinach) | |
| 2 | B, J (B, J) | Cytochrome b6-f complex subunit 4 | polymer | 160 | 17456.7 | 2 | UniProt (P00166) Pfam (PF00032) | Spinacia oleracea (spinach) | 17 kDa polypeptide |
| 3 | C, K (C, K) | Cytochrome f | polymer | 320 | 35355.7 | 2 | UniProt (P16013) Pfam (PF16639) Pfam (PF01333) | Spinacia oleracea (spinach) | |
| 4 | D, L (D, L) | Cytochrome b6-f complex iron-sulfur subunit, chloroplastic | polymer | 230 | 24347.9 | 2 | UniProt (P08980) Pfam (PF00355) | Spinacia oleracea (spinach) | Plastohydroquinone:plastocyanin oxidoreductase iron-sulfur protein,Rieske iron-sulfur protein,ISP,RISP |
| 5 | E, M (E, M) | 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 (F, N) | 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 (G, O) | 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 (H, P) | 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 | JA, KA, Q, R (I, A) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 4 | Chemie (HEM) | |||
| 10 | BA, LA, S, VA (C, I, A, K) | HEME C | non-polymer | 618.5 | 4 | Chemie (HEC) | |||
| 11 | QA, T (J, A) | CHLOROPHYLL A | non-polymer | 893.5 | 2 | Chemie (CLA) | |||
| 12 | DA, IA, PA, RA, SA... (D, I, J, A, B) | 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 | 7 | Chemie (PL9) | |||
| 13 | AA, AB, HA, MA, NA... (B, P, H, I, J...) | UNDECYL-MALTOSIDE | non-polymer | 496.6 | 10 | Chemie (UMQ) | |||
| 14 | FA, OA, X, XA (D, I, A, L) | (1S)-2-{[{[(2R)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL STEARATE | non-polymer | 751.0 | 4 | Chemie (PGT) | |||
| 15 | CA, WA (D, K) | 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL | non-polymer | 795.1 | 2 | Chemie (SQD) | |||
| 16 | EA, YA (D, L) | FE2/S2 (INORGANIC) CLUSTER | non-polymer | 175.8 | 2 | Chemie (FES) | |||
| 17 | GA, ZA (F, P) | BETA-CAROTENE | non-polymer | 536.9 | 2 | Chemie (BCR) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 16 |
| Total formula weight | 231832.3 | |
| Non-Polymers* | Number of molecules | 37 |
| Total formula weight | 22956.9 | |
| All* | Total formula weight | 254789.3 |
