9AU4
Cryo-EM structure of a photosystem I variant containing an unusual plastoquinone derivative in its electron transfer chain
This is a non-PDB format compatible entry.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, L, W (G, a, A) | Photosystem I P700 chlorophyll a apoprotein A1 | polymer | 751 | 83036.4 | 3 | UniProt (P29254) Pfam (PF00223) | Synechocystis sp. PCC 6803 | PsaA |
| 2 | B, M, X (H, b, B) | Photosystem I P700 chlorophyll a apoprotein A2 | polymer | 730 | 81298.5 | 3 | Pfam (PF00223) UniProt (by SIFTS) (P29255) | Synechocystis sp. PCC 6803 | |
| 3 | C, N, Y (N, c, C) | Photosystem I iron-sulfur center | polymer | 81 | 8837.3 | 3 | UniProt (P32422) Pfam (PF12838) | Synechocystis sp. PCC 6803 | 9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC |
| 4 | D, O, Z (O, d, D) | Photosystem I reaction center subunit II | polymer | 141 | 15663.7 | 3 | UniProt (P19569) Pfam (PF02531) | Synechocystis sp. PCC 6803 | Photosystem I 16 kDa polypeptide,PSI-D |
| 5 | AA, E, P (P, e, E) | Photosystem I reaction center subunit IV | polymer | 74 | 8154.1 | 3 | UniProt (P12975) Pfam (PF02427) | Synechocystis sp. PCC 6803 | Photosystem I 8.1 kDa protein,p30 protein |
| 6 | BA, F, Q (Q, f, F) | Photosystem I reaction center subunit III | polymer | 165 | 18267.1 | 3 | UniProt (P29256) Pfam (PF02507) | Synechocystis sp. PCC 6803 | PSI-F |
| 7 | CA, G, R (R, i, I) | Photosystem I reaction center subunit VIII | polymer | 40 | 4414.1 | 3 | UniProt (Q55330) Pfam (PF00796) | Synechocystis sp. PCC 6803 | |
| 8 | DA, H, S (S, j, J) | Photosystem I reaction center subunit IX | polymer | 40 | 4535.4 | 3 | UniProt (Q55329) Pfam (PF01701) | Synechocystis sp. PCC 6803 | |
| 9 | EA, I, T (T, k, K) | Photosystem I reaction center subunit PsaK 2 | polymer | 90 | 9312.1 | 3 | UniProt (P74564) Pfam (PF01241) | Synechocystis sp. PCC 6803 | Photosystem I subunit X 2 |
| 10 | FA, J, U (U, l, L) | Photosystem I reaction center subunit XI | polymer | 157 | 16631.8 | 3 | UniProt (P37277) Pfam (PF02605) | Synechocystis sp. PCC 6803 | PSI subunit V,PSI-L |
| 11 | GA, K, V (V, m, M) | Photosystem I reaction center subunit XII | polymer | 31 | 3382.1 | 3 | UniProt (P72986) Pfam (PF07465) | Synechocystis sp. PCC 6803 | PSI-M |
| 12 | AB, AD, AF, AG, AI... (G, H, U, a, b...) | CHLOROPHYLL A | non-polymer | 893.5 | 282 | Chemie (CLA) | |||
| 13 | CM, JE, NJ, RO, UB... (A, H, b, B, G...) | 2,3-dimethyl-5-[(2E,7R,11R)-3,7,11,15-tetramethylhexadec-2-en-1-yl]cyclohexa-2,5-diene-1,4-dione | non-polymer | 414.7 | 6 | Chemie (A1AGD) | |||
| 14 | DM, KE, LE, OJ, PJ... (A, N, c, C, G...) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 9 | Chemie (SF4) | |||
| 15 | AE, AH, AK, AP, BE... (H, a, k, J, b...) | BETA-CAROTENE | non-polymer | 536.9 | 45 | Chemie (BCR) | |||
| 16 | AC, CC, EE, EH, GH... (G, H, a, b, A...) | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE | non-polymer | 723.0 | 12 | Chemie (LHG) | |||
| 17 | BC, DC, DE, FH, HH... (G, H, a, b, A...) | 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE | non-polymer | 787.2 | 9 | Chemie (LMG) | |||
| 18 | GC, KH, OM (G, a, A) | beta,beta-carotene-4,4'-dione | non-polymer | 564.8 | 3 | Chemie (45D) | |||
| 19 | HC, LH, PM (G, a, A) | CHLORIDE ION | non-polymer | 35.5 | 3 | Chemie (CL) | |||
| 20 | DJ, IF, IO, MK, SP... (b, V, B, m, M...) | beta,beta-caroten-4-one | non-polymer | 550.9 | 6 | Chemie (ECH) | |||
| 21 | DK, FE, HP, JJ, OO... (l, H, L, b, B...) | CALCIUM ION | non-polymer | 40.1 | 6 | Chemie (CA) | |||
| 22 | GE, KJ, PO (H, b, B) | (3'R)-3'-hydroxy-beta,beta-caroten-4-one | non-polymer | 566.9 | 3 | Chemie (EQ3) | |||
| 23 | HE, LJ, QE, QO, UJ... (H, b, Q, B, f...) | (1R,2S)-4-{(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(4S)-4-hydroxy-2,6,6-trimethylcyclohex-1-en-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaen-1-yl}-2,5,5-trimethylcyclohex-3-en-1-ol | non-polymer | 568.9 | 6 | Chemie (ZEX) | |||
| 24 | FF, JF, JK, NK, NP... (U, V, l, m, L...) | 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL | non-polymer | 795.1 | 6 | Chemie (SQD) | |||
| 25 | GF, KK, OP (U, l, L) | DIGALACTOSYL DIACYL GLYCEROL (DGDG) | non-polymer | 949.3 | 3 | Chemie (DGD) | |||
| 26 | HF, LK, PP (U, l, L) | DODECYL-BETA-D-MALTOSIDE | non-polymer | 510.6 | 3 | Chemie (LMT) | |||
| 27 | AQ, BQ, CQ, DQ, EQ... (U, a, b, c, d...) | water | water | 18.0 | 909 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 33 |
| Total formula weight | 760597.7 | |
| Non-Polymers* | Number of molecules | 402 |
| Total formula weight | 317146.7 | |
| All* | Total formula weight | 1077744.4 |
