4IXR
RT fs X-ray diffraction of Photosystem II, first illuminated state
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, U (A, a) | Photosystem Q(B) protein 1 | polymer | 360 | 39762.3 | 2 | UniProt (P0A444) Pfam (PF00124) | Thermosynechococcus elongatus | 32 kDa thylakoid membrane protein 1, Photosystem II protein D1 1 |
| 2 | B, V (B, b) | Photosystem II core light harvesting protein | polymer | 510 | 56656.5 | 2 | UniProt (Q8DIQ1) Pfam (PF00421) | Thermosynechococcus elongatus | |
| 3 | C, W (C, c) | Photosystem II CP43 protein | polymer | 461 | 50287.5 | 2 | UniProt (Q8DIF8) Pfam (PF00421) | Thermosynechococcus elongatus | |
| 4 | D, X (D, d) | Photosystem II D2 protein | polymer | 352 | 39388.2 | 2 | UniProt (Q8CM25) Pfam (PF00124) | Thermosynechococcus elongatus | PSII D2 protein, Photosystem Q(A) protein |
| 5 | E, Y (E, e) | Cytochrome b559 subunit alpha | polymer | 84 | 9580.8 | 2 | UniProt (Q8DIP0) Pfam (PF00283) Pfam (PF00284) | Thermosynechococcus elongatus | PSII reaction center subunit V |
| 6 | F, Z (F, f) | Cytochrome b559 subunit beta | polymer | 45 | 5067.9 | 2 | UniProt (Q8DIN9) Pfam (PF00283) | Thermosynechococcus elongatus | PSII reaction center subunit VI |
| 7 | AA, G (H, h) | Photosystem II reaction center protein H | polymer | 66 | 7358.8 | 2 | UniProt (Q8DJ43) Pfam (PF00737) | Thermosynechococcus elongatus | PSII-H |
| 8 | BA, H (I, i) | Photosystem II reaction center protein I | polymer | 38 | 4410.2 | 2 | UniProt (Q8DJZ6) Pfam (PF02532) | Thermosynechococcus elongatus | PSII-I, PSII 4.4 kDa protein |
| 9 | CA, I (J, j) | Photosystem II reaction center protein J | polymer | 40 | 4105.9 | 2 | UniProt (P59087) Pfam (PF01788) | Thermosynechococcus elongatus | PSII-J |
| 10 | DA, J (K, k) | Photosystem II reaction center protein K | polymer | 46 | 5028.1 | 2 | UniProt (Q9F1K9) Pfam (PF02533) | Thermosynechococcus elongatus | PSII-K |
| 11 | EA, K (L, l) | Photosystem II reaction center protein L | polymer | 37 | 4299.0 | 2 | UniProt (Q8DIN8) Pfam (PF02419) | Thermosynechococcus elongatus | PSII-L, PSII 5 kDa protein |
| 12 | FA, L (M, m) | Photosystem II reaction center protein M | polymer | 36 | 3981.7 | 2 | UniProt (Q8DHA7) Pfam (PF05151) | Thermosynechococcus elongatus | PSII-M |
| 13 | GA, M (O, o) | Photosystem II manganese-stabilizing polypeptide | polymer | 272 | 29637.4 | 2 | UniProt (P0A431) Pfam (PF01716) | Thermosynechococcus elongatus | MSP |
| 14 | HA, N (T, t) | Photosystem II reaction center protein T | polymer | 32 | 3878.7 | 2 | UniProt (Q8DIQ0) Pfam (PF01405) | Thermosynechococcus elongatus | PSII-T, PSII-Tc |
| 15 | IA, O (U, u) | Photosystem II 12 kDa extrinsic protein | polymer | 134 | 15031.0 | 2 | UniProt (Q9F1L5) Pfam (PF06514) | Thermosynechococcus elongatus | PS II complex 12 kDa extrinsic protein, PSII-U |
| 16 | JA, P (V, v) | Cytochrome c-550 | polymer | 163 | 18046.9 | 2 | UniProt (P0A386) Pfam (PF14495) | Thermosynechococcus elongatus | Cytochrome c-549, Cytochrome c550, Low-potential cytochrome c |
| 17 | KA, Q (y, g) | Photosystem II reaction center protein ycf12 | polymer | 46 | 5039.1 | 2 | UniProt (Q8DJI1) Pfam (PF05969) | Thermosynechococcus elongatus | |
| 18 | LA, R (X, x) | Photosystem II reaction center X protein | polymer | 41 | 4322.2 | 2 | UniProt (Q9F1R6) Pfam (PF06596) | Thermosynechococcus elongatus | |
| 19 | MA, S (Z, z) | Photosystem II reaction center protein Z | polymer | 62 | 6766.2 | 2 | UniProt (Q8DHJ2) Pfam (PF01737) | Thermosynechococcus elongatus | PSII-Z |
| 20 | NA, T (G, Y) | Photosystem II reaction center protein Y | polymer | 28 | 2401.0 | 2 | Thermosynechococcus elongatus | ||
| 21 | GE, OA (a, A) | FE (II) ION | non-polymer | 55.8 | 2 | Chemie (FE2) PubChem (27284) | |||
| 22 | PA, QG (A, d) | BICARBONATE ION | non-polymer | 61.0 | 2 | Chemie (BCT) PubChem (769) | |||
| 23 | AF, AG, BF, BG, CF... (b, c, D, B, a...) | CHLOROPHYLL A | non-polymer | 893.5 | 70 | Chemie (CLA) | |||
| 24 | FD, KE, LE, TA (D, a, A) | PHEOPHYTIN A | non-polymer | 871.2 | 4 | Chemie (PHO) | |||
| 25 | GH, HD, NE, TG, UD... (j, D, a, d, J...) | 2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE | non-polymer | 749.2 | 6 | Chemie (PL9) PubChem (20286) PubChem (5375177) PubChem (6323474) PubChem (6325820) PubChem (6433402) PubChem (23304240) PubChem (21881166) | |||
| 26 | OE, WA (a, A) | OXYGEN EVOLVING SYSTEM | non-polymer | 323.8 | 2 | Chemie (OEC) | |||
| 27 | AE, BE, DE, DH, HH... (T, y, h, j, D...) | BETA-CAROTENE | non-polymer | 536.9 | 24 | 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) | |||
| 28 | AC, AD, BD, GC, MD... (B, C, D, c, a...) | DIGALACTOSYL DIACYL GLYCEROL (DGDG) | non-polymer | 949.3 | 14 | Chemie (DGD) PubChem (448441) PubChem (24865462) PubChem (24865463) PubChem (46936671) PubChem (50904896) PubChem (447899) PubChem (4629344) PubChem (53480668) PubChem (15991538) PubChem (154573294) PubChem (171123158) PubChem (134746152) PubChem (140529801) | |||
| 29 | CB, RE, UE, ZA (A, a) | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE | non-polymer | 723.0 | 4 | Chemie (LHG) PubChem (446440) PubChem (9547104) PubChem (11846227) PubChem (46936292) PubChem (65144) PubChem (13305396) PubChem (73416066) PubChem (138986743) | |||
| 30 | AB, CH, EB, EE, FC... (A, f, a, B, D...) | 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL | non-polymer | 795.1 | 10 | 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) | |||
| 31 | AH, BB, BC, CC, CD... (e, A, B, C, i...) | 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE | non-polymer | 787.2 | 22 | Chemie (LMG) | |||
| 32 | DB, VE (A, a) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) PubChem (312) | |||
| 33 | DC, EC, FH, HC, IC... (B, i, m, D, I...) | DODECYL-BETA-D-MALTOSIDE | non-polymer | 510.6 | 14 | Chemie (LMT) | |||
| 34 | BH, CE, OH, PD (f, V, v, F) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 4 | Chemie (HEM) | |||
| 35 | IH, NH, WD, ZD (k, o, K, O) | CALCIUM ION | non-polymer | 40.1 | 4 | Chemie (CA) PubChem (271) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 40 |
| Total formula weight | 630099.0 | |
| Non-Polymers* | Number of molecules | 184 |
| Total formula weight | 135587.0 | |
| All* | Total formula weight | 765686.0 |
