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) | |||
| 22 | PA, QG (A, d) | BICARBONATE ION | non-polymer | 61.0 | 2 | Chemie (BCT) | |||
| 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) | |||
| 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) | |||
| 28 | AC, AD, BD, GC, MD... (B, C, D, c, a...) | DIGALACTOSYL DIACYL GLYCEROL (DGDG) | non-polymer | 949.3 | 14 | Chemie (DGD) | |||
| 29 | CB, RE, UE, ZA (A, a) | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE | non-polymer | 723.0 | 4 | Chemie (LHG) | |||
| 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) | |||
| 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) | |||
| 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) |
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 |
