2AXT
Crystal Structure of Photosystem II from Thermosynechococcus elongatus
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, S (A, a) | Photosystem Q(B) protein | polymer | 344 | 38265.6 | 2 | UniProt (P0A445) Pfam (PF00124) UniProt (by SIFTS) (P0A444) | Thermosynechococcus elongatus | Reaction centre subunit D1, 32 kDa thylakoid membrane protein, Photosystem II protein D1 |
| 2 | B, T (B, b) | CP47 protein | polymer | 510 | 56656.5 | 2 | GenBank (11761354) Pfam (PF00421) UniProt (by SIFTS) (Q8DIQ1) | Thermosynechococcus elongatus | Antenna subunit CP47 |
| 3 | C, U (C, c) | photosystem II CP43 protein | polymer | 473 | 51666.1 | 2 | GenBank (22295356) Pfam (PF00421) UniProt (by SIFTS) (Q8DIF8) | Thermosynechococcus elongatus | Antenna subunit CP43 |
| 4 | D, V (D, d) | photosystem II reaction center D2 protein | polymer | 352 | 39388.2 | 2 | GenBank (22295355) Pfam (PF00124) UniProt (by SIFTS) (Q8CM25) | Thermosynechococcus elongatus | Reaction centre subunit D2 |
| 5 | E, W (E, e) | Cytochrome b559 alpha subunit | polymer | 84 | 9580.8 | 2 | UniProt (Q8DIP0) Pfam (PF00283) Pfam (PF00284) | Thermosynechococcus elongatus | Cyt b-559 subunit alpha, PSII reaction center subunit V |
| 6 | F, X (F, f) | Cytochrome b559 beta subunit | polymer | 45 | 5067.9 | 2 | UniProt (Q8DIN9) Pfam (PF00283) | Thermosynechococcus elongatus | Cyt b-559 subunit beta, PSII reaction center subunit VI |
| 7 | G, Y (H, h) | Photosystem II reaction center H protein | polymer | 66 | 7358.8 | 2 | UniProt (Q8DJ43) Pfam (PF00737) | Thermosynechococcus elongatus | Subunit PsbH, PSII-H |
| 8 | H, Z (I, i) | Photosystem II reaction center I protein | polymer | 38 | 4410.2 | 2 | UniProt (Q8DJZ6) Pfam (PF02532) | Thermosynechococcus elongatus | Subunit PsbI, PSII 4.4 kDa protein |
| 9 | AA, I (J, j) | Photosystem II reaction center J protein | polymer | 40 | 4105.9 | 2 | UniProt (P59087) Pfam (PF01788) | Thermosynechococcus elongatus | Subunit PsbJ |
| 10 | BA, J (K, k) | Photosystem II reaction center protein K | polymer | 37 | 4101.9 | 2 | UniProt (Q9F1K9) Pfam (PF02533) | Thermosynechococcus elongatus | Subunit PsbK, PSII-K |
| 11 | CA, K (L, l) | Photosystem II reaction center L protein | polymer | 37 | 4299.0 | 2 | UniProt (Q8DIN8) Pfam (PF02419) | Thermosynechococcus elongatus | Subunit PsbL, PSII-L, PSII 5 kDa protein |
| 12 | DA, L (M, m) | Photosystem II reaction center M protein | polymer | 36 | 3981.7 | 2 | UniProt (Q8DHA7) Pfam (PF05151) | Thermosynechococcus elongatus | Subunit PsbM, PSII-M |
| 13 | EA, M (O, o) | Photosystem II manganese-stabilizing polypeptide | polymer | 247 | 26923.0 | 2 | UniProt (P0A431) Pfam (PF01716) | Thermosynechococcus elongatus | Subunit PsbO, MSP |
| 14 | FA, N (T, t) | Photosystem II reaction center T protein | polymer | 32 | 3878.7 | 2 | UniProt (Q8DIQ0) Pfam (PF01405) | Thermosynechococcus elongatus | Subunit PsbT, PSII-T, PSII-Tc |
| 15 | GA, O (U, u) | Photosystem II 12 kDa extrinsic protein | polymer | 104 | 11656.0 | 2 | UniProt (Q9F1L5) Pfam (PF06514) | Thermosynechococcus elongatus | Subunit PsbU, PS II complex 12 kDa extrinsic protein, PSII-U |
| 16 | HA, P (V, v) | Cytochrome c-550 | polymer | 137 | 15148.3 | 2 | UniProt (P0A386) Pfam (PF14495) | Thermosynechococcus elongatus | Cyt c-550, subunit PsbV, Cytochrome c550, Low potential cytochrome c |
| 17 | IA, Q (X, x) | Unassigned subunits | polymer | 129 | 10996.5 | 2 | Thermosynechococcus elongatus | ||
| 18 | JA, R (Z, z) | Photosystem II reaction center Z protein | polymer | 62 | 6766.2 | 2 | UniProt (Q8DHJ2) Pfam (PF01737) | Thermosynechococcus elongatus | Subunit PsbZ |
| 19 | KA, WD (A, a) | FE (II) ION | non-polymer | 55.8 | 2 | Chemie (FE2) | |||
| 20 | AB, AE, AG, BB, BG... (B, a, c, D, C...) | CHLOROPHYLL A | non-polymer | 893.5 | 70 | Chemie (CLA) | |||
| 21 | BE, CE, OA, PA (a, A) | PHEOPHYTIN A | non-polymer | 871.2 | 4 | Chemie (PHO) | |||
| 22 | EE, FD, QG, RA (a, D, d, A) | 5-[(2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-HEPTAMETHYLOCTACOSA-2,6,10,14,18,22,26-HEPTAENYL]-2,3-DIMETHYLBENZO-1,4-QUINONE | non-polymer | 613.0 | 4 | Chemie (PQ9) | |||
| 23 | FE, SA (a, A) | OXYGEN EVOLVING SYSTEM | non-polymer | 323.8 | 2 | Chemie (OEC) | |||
| 24 | AF, BF, DH, GD, GE... (b, t, D, a, c...) | BETA-CAROTENE | non-polymer | 536.9 | 22 | Chemie (BCR) | |||
| 25 | HE, UA (a, A) | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE | non-polymer | 723.0 | 2 | Chemie (LHG) | |||
| 26 | EH, QD, SG, VA, XA... (t, L, d, A, a) | 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL | non-polymer | 795.1 | 6 | Chemie (SQD) | |||
| 27 | CH, FH, IE, RD, SD... (m, t, a, M, T...) | DODECYL-BETA-D-MALTOSIDE | non-polymer | 510.6 | 6 | Chemie (LMT) | |||
| 28 | BH, CF, HD, ID, JD... (l, b, D, I, L...) | (1S)-2-(ALPHA-L-ALLOPYRANOSYLOXY)-1-[(TRIDECANOYLOXY)METHYL]ETHYL PALMITATE | non-polymer | 689.0 | 12 | Chemie (MGE) | |||
| 29 | AC, BC, CC, DC, DF... (C, c) | UNKNOWN LIGAND | non-polymer | 103.1 | 34 | Chemie (UNL) | |||
| 30 | AD, BD, KG, LG, MD... (C, c, H, h) | DIGALACTOSYL DIACYL GLYCEROL (DGDG) | non-polymer | 949.3 | 8 | Chemie (DGD) | |||
| 31 | CD, NG (D, d) | BICARBONATE ION | non-polymer | 61.0 | 2 | Chemie (BCT) | |||
| 32 | GH, KD, UD, WG (v, F, V, f) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 4 | Chemie (HEM) | |||
| 33 | AH, OD (k, K) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 36 |
| Total formula weight | 608502.7 | |
| Non-Polymers* | Number of molecules | 180 |
| Total formula weight | 112368.1 | |
| All* | Total formula weight | 720870.8 |
