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) PubChem (27284) | |||
| 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) PubChem (5459388) | |||
| 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) 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) | |||
| 25 | HE, UA (a, A) | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE | non-polymer | 723.0 | 2 | Chemie (LHG) PubChem (46936292) PubChem (446440) PubChem (73416066) PubChem (65144) PubChem (9547104) PubChem (13305396) PubChem (11846227) PubChem (138986743) | |||
| 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) PubChem (25147486) PubChem (25235342) PubChem (42607399) PubChem (159321) PubChem (481096) PubChem (5459390) PubChem (102201395) PubChem (134765349) PubChem (9810997) PubChem (9918745) PubChem (10219110) PubChem (10373133) PubChem (14463145) | |||
| 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) PubChem (45490018) PubChem (75117308) PubChem (5327038) PubChem (134729617) | |||
| 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) PubChem (24865462) PubChem (24865463) PubChem (50904896) PubChem (53480668) PubChem (46936671) PubChem (448441) PubChem (447899) PubChem (4629344) PubChem (15991538) PubChem (154573294) PubChem (171123158) PubChem (134746152) PubChem (140529801) | |||
| 31 | CD, NG (D, d) | BICARBONATE ION | non-polymer | 61.0 | 2 | Chemie (BCT) PubChem (769) | |||
| 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) PubChem (271) |
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 |
