6K61
Cryo-EM structure of the tetrameric photosystem I from a heterocyst-forming cyanobacterium Anabaena sp. PCC7120
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, M (A, a) | Photosystem I P700 chlorophyll a apoprotein A1 | polymer | 752 | 83289.7 | 2 | UniProt (P58576) Pfam (PF00223) | Nostoc sp. PCC 7120 | PsaA |
| 2 | B, N (X, x) | Photosystem I 4.8 kDa protein | polymer | 44 | 4872.8 | 2 | UniProt (P58566) Pfam (PF08078) | Nostoc sp. PCC 7120 | |
| 3 | C, O (B, b) | Photosystem I P700 chlorophyll a apoprotein A2 1 | polymer | 741 | 83457.0 | 2 | UniProt (P58565) Pfam (PF00223) | Nostoc sp. PCC 7120 | PsaB 1 |
| 4 | D, P (C, c) | Photosystem I iron-sulfur center | polymer | 81 | 8825.2 | 2 | UniProt (P0A410) Pfam (PF12838) | Nostoc sp. PCC 7120 | 9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC |
| 5 | E, Q (D, d) | Photosystem I reaction center subunit II | polymer | 139 | 15176.2 | 2 | UniProt (P58573) Pfam (PF02531) | Nostoc sp. PCC 7120 | |
| 6 | F, R (E, e) | Photosystem I reaction center subunit IV | polymer | 70 | 7897.1 | 2 | UniProt (P58575) Pfam (PF02427) | Nostoc sp. PCC 7120 | |
| 7 | G, S (F, f) | Photosystem I reaction center subunit III | polymer | 164 | 17850.6 | 2 | UniProt (P58564) Pfam (PF02507) | Nostoc sp. PCC 7120 | PSI-F |
| 8 | H, T (J, j) | Photosystem I reaction center subunit IX | polymer | 49 | 5499.4 | 2 | UniProt (P58568) Pfam (PF01701) | Nostoc sp. PCC 7120 | |
| 9 | I, U (K, k) | Photosystem I reaction center subunit PsaK 1 | polymer | 86 | 8852.5 | 2 | UniProt (P58583) Pfam (PF01241) | Nostoc sp. PCC 7120 | Photosystem I subunit X 1 |
| 10 | J, V (I, i) | Photosystem I reaction center subunit VIII | polymer | 46 | 5066.9 | 2 | UniProt (P58560) Pfam (PF00796) | Nostoc sp. PCC 7120 | |
| 11 | K, W (L, l) | Photosystem I reaction center subunit XI | polymer | 172 | 18130.7 | 2 | UniProt (P58577) Pfam (PF02605) | Nostoc sp. PCC 7120 | PSI subunit V,PSI-L |
| 12 | L, X (M, m) | Photosystem I reaction center subunit XII | polymer | 32 | 3538.2 | 2 | UniProt (Q8YNB0) Pfam (PF07465) | Nostoc sp. PCC 7120 | PSI-M |
| 13 | WE, Y (a, A) | CHLOROPHYLL A ISOMER | non-polymer | 893.5 | 2 | Chemie (CL0) | |||
| 14 | AA, AB, AD, AF, AG... (A, B, a, b, f...) | CHLOROPHYLL A | non-polymer | 893.5 | 188 | Chemie (CLA) | |||
| 15 | LG, OI, PB, SD (a, b, A, B) | PHYLLOQUINONE | non-polymer | 450.7 | 4 | Chemie (PQN) PubChem (4812) PubChem (5315258) PubChem (7048753) PubChem (7048755) PubChem (9846607) PubChem (21896458) PubChem (5280483) PubChem (5284607) PubChem (7048754) PubChem (57138572) PubChem (133612476) PubChem (92436622) PubChem (93233163) PubChem (93971968) PubChem (162999945) | |||
| 16 | AE, BE, MG, QB, WI... (C, a, A, c) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 6 | Chemie (SF4) | |||
| 17 | BJ, EE, FJ, GE, GJ... (f, F, j, J, k...) | BETA-CAROTENE | non-polymer | 536.9 | 46 | Chemie (BCR) PubChem (573) PubChem (5315709) PubChem (5353436) PubChem (5356616) PubChem (5927371) PubChem (6477957) PubChem (9828626) PubChem (10256668) PubChem (12305639) PubChem (12305640) PubChem (12305642) PubChem (12305644) PubChem (12305647) PubChem (12305652) PubChem (21672398) PubChem (176490061) PubChem (177696266) PubChem (46783370) PubChem (46846294) PubChem (5280489) PubChem (92863345) PubChem (54603957) PubChem (54612003) PubChem (124919640) PubChem (146673260) PubChem (152743364) PubChem (160505766) PubChem (86765360) PubChem (91827292) PubChem (92863346) PubChem (92863347) PubChem (92863348) PubChem (100990628) PubChem (101525094) PubChem (101525095) PubChem (124919639) PubChem (129651951) PubChem (132274419) PubChem (145925599) PubChem (159562859) PubChem (172654026) PubChem (172878405) PubChem (173398668) | |||
| 18 | CE, NJ, TG, UG, XB... (F, i, a, A) | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE | non-polymer | 723.0 | 6 | Chemie (LHG) PubChem (446440) PubChem (9547104) PubChem (11846227) PubChem (46936292) PubChem (65144) PubChem (13305396) PubChem (73416066) PubChem (138986743) | |||
| 19 | AC, PJ, WG, XG (X, l, x, b) | 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL | non-polymer | 795.1 | 4 | Chemie (SQD) PubChem (5459390) PubChem (9810997) PubChem (9918745) PubChem (10219110) PubChem (10373133) PubChem (14463145) PubChem (25147486) PubChem (25235342) PubChem (42607399) PubChem (159321) PubChem (481096) PubChem (134765349) PubChem (102201395) | |||
| 20 | DC, VI, ZD (B, b) | 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE | non-polymer | 787.2 | 3 | Chemie (LMG) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 24 |
| Total formula weight | 524912.6 | |
| Non-Polymers* | Number of molecules | 259 |
| Total formula weight | 208251.5 | |
| All* | Total formula weight | 733164.0 |
