6TRC
Cryo- EM structure of the Thermosynechococcus elongatus photosystem I in the presence of cytochrome c6
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, M, Y (A, a, 1) | Photosystem I P700 chlorophyll a apoprotein A1 | polymer | 755 | 83267.8 | 3 | UniProt (P0A405) Pfam (PF00223) | Thermosynechococcus elongatus BP-1 | PsaA |
| 2 | B, N, Z (B, b, 2) | Photosystem I P700 chlorophyll a apoprotein A2 | polymer | 741 | 83123.6 | 3 | UniProt (P0A407) Pfam (PF00223) | Thermosynechococcus elongatus BP-1 | PsaB |
| 3 | AA, C, O (C, c, 3) | Photosystem I iron-sulfur center | polymer | 81 | 8809.2 | 3 | UniProt (P0A415) Pfam (PF12838) | Thermosynechococcus elongatus BP-1 | 9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC |
| 4 | BA, D, P (D, d, 4) | Photosystem I reaction center subunit II | polymer | 139 | 15389.5 | 3 | UniProt (P0A420) Pfam (PF02531) | Thermosynechococcus elongatus BP-1 | Photosystem I 16 kDa polypeptide,PSI-D |
| 5 | CA, E, Q (E, e, 5) | Photosystem I reaction center subunit IV | polymer | 76 | 8399.5 | 3 | UniProt (P0A423) Pfam (PF02427) | Thermosynechococcus elongatus BP-1 | Photosystem I 8.1 kDa protein,p30 protein |
| 6 | DA, F, R (F, f, 6) | Photosystem I reaction center subunit III | polymer | 141 | 15129.4 | 3 | UniProt (P0A401) Pfam (PF02507) | Thermosynechococcus elongatus BP-1 | PSI-F |
| 7 | EA, G, S (I, i, 7) | Photosystem I reaction center subunit VIII | polymer | 38 | 4325.2 | 3 | UniProt (P0A427) Pfam (PF00796) | Thermosynechococcus elongatus BP-1 | |
| 8 | FA, H, T (J, j, 8) | Photosystem I reaction center subunit IX | polymer | 41 | 4798.7 | 3 | UniProt (P0A429) Pfam (PF01701) | Thermosynechococcus elongatus BP-1 | |
| 9 | GA, I, U (K, k, 9) | Photosystem I reaction center subunit PsaK | polymer | 83 | 8484.0 | 3 | UniProt (P0A425) Pfam (PF01241) | Thermosynechococcus elongatus BP-1 | Light-harvesting 8.0 kDa polypeptide,Photosystem I subunit X |
| 10 | HA, J, V (L, l, 0) | Photosystem I reaction center subunit XI | polymer | 155 | 16287.8 | 3 | UniProt (Q8DGB4) Pfam (PF02605) | Thermosynechococcus elongatus BP-1 | PSI subunit V,PSI-L |
| 11 | IA, K, W (M, m, y) | Photosystem I reaction center subunit XII | polymer | 31 | 3426.1 | 3 | UniProt (P0A403) Pfam (PF07465) | Thermosynechococcus elongatus BP-1 | PSI-M |
| 12 | JA, L, X (X, x, z) | Photosystem I 4.8K protein | polymer | 36 | 4104.9 | 3 | UniProt (Q8DKP6) Pfam (PF08078) | Thermosynechococcus elongatus BP-1 | |
| 13 | KA, PF, SK (A, a, 1) | CHLOROPHYLL A ISOMER | non-polymer | 893.5 | 3 | Chemie (CL0) | |||
| 14 | AB, AC, AD, AE, AG... (A, B, a, b, 1...) | CHLOROPHYLL A | non-polymer | 893.5 | 288 | Chemie (CLA) | |||
| 15 | CC, DE, GH, GJ, JO... (A, B, a, b, 2...) | PHYLLOQUINONE | non-polymer | 450.7 | 6 | Chemie (PQN) PubChem (4812) PubChem (21896458) PubChem (57138572) PubChem (5315258) PubChem (5280483) PubChem (5284607) PubChem (7048754) PubChem (92436622) PubChem (93233163) PubChem (93971968) PubChem (133612476) PubChem (7048753) PubChem (7048755) PubChem (9846607) PubChem (162999945) | |||
| 16 | AF, AK, AP, BK, CK... (J, j, 7, A, K...) | BETA-CAROTENE | non-polymer | 536.9 | 72 | 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) | |||
| 17 | GK, HK, JP, KC, KF... (l, 0, A, L, B...) | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE | non-polymer | 723.0 | 15 | Chemie (LHG) PubChem (46936292) PubChem (446440) PubChem (73416066) PubChem (65144) PubChem (9547104) PubChem (13305396) PubChem (11846227) PubChem (138986743) | |||
| 18 | NC, OE, PE, PJ, QH... (B, C, c, b, 2...) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 9 | Chemie (SF4) | |||
| 19 | FF, KK, OC, OP, RH... (L, l, B, 0, b...) | CALCIUM ION | non-polymer | 40.1 | 6 | Chemie (CA) PubChem (271) | |||
| 20 | KE, NJ, QO (B, b, 2) | 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE | non-polymer | 787.2 | 3 | Chemie (LMG) | |||
| 21 | AQ, AR, BQ, BR, CQ... (E, 9, F, 0, I...) | water | water | 18.0 | 651 | Chemie (HOH) |
Sequence modifications
L, l, 0: 0 - 154 (UniProt: Q8DGB4)
| PDB | External Database | Details |
|---|---|---|
| Leu 143 | Ser 144 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 36 |
| Total formula weight | 766637.2 | |
| Non-Polymers* | Number of molecules | 402 |
| Total formula weight | 317975.6 | |
| All* | Total formula weight | 1084612.7 |






