6PNJ
Structure of Photosystem I Acclimated to Far-red Light
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, G, Y (A, G, a) | Photosystem I P700 chlorophyll a apoprotein A1 | polymer | 788 | 87627.9 | 3 | UniProt (G6FME9) Pfam (PF00223) | Fischerella thermalis PCC 7521 | PsaA, photosystem I core protein PsaA |
| 2 | B, H, Z (B, H, b) | Photosystem I P700 chlorophyll a apoprotein A2 | polymer | 741 | 83451.0 | 3 | UniProt (A0A2N6KXB6) Pfam (PF00223) UniProt (by SIFTS) (G6FMF0) | Fischerella thermalis PCC 7521 | PsaB, photosystem I core protein PsaB |
| 3 | AA, C, N (C, N, c) | Photosystem I iron-sulfur center | polymer | 81 | 8853.2 | 3 | UniProt (G6FW50) Pfam (PF12838) | Fischerella thermalis PCC 7521 | PSI-C, Photosystem I subunit VII, PsaC |
| 4 | BA, D, O (D, O, d) | Photosystem I protein PsaD | polymer | 159 | 17776.3 | 3 | UniProt (G6FW99) Pfam (PF02531) | Fischerella thermalis PCC 7521 | |
| 5 | CA, E, P (E, P, e) | Photosystem I reaction center subunit IV | polymer | 72 | 8070.1 | 3 | UniProt (G6FQU3) Pfam (PF02427) | Fischerella thermalis PCC 7521 | |
| 6 | DA, F, Q (F, Q, f) | Photosystem I reaction center protein PsaF subunit III | polymer | 159 | 17788.0 | 3 | UniProt (G6FMD3) Pfam (PF02507) | Fischerella thermalis PCC 7521 | |
| 7 | EA, I, R (I, R, i) | photosystem I subunit VIII | polymer | 67 | 7736.0 | 3 | UniProt (A0A2N6MR25) | Fischerella thermalis PCC 7521 | |
| 8 | FA, J, S (J, S, j) | Photosystem I reaction centre subunit IX / PsaJ | polymer | 48 | 5435.5 | 3 | UniProt (G6FMD2) Pfam (PF01701) | Fischerella thermalis PCC 7521 | |
| 9 | GA, K, T (K, T, k) | photosystem I reaction center subunit PsaK | polymer | 39 | 3615.4 | 3 | UniProt (G6FV28) Pfam (PF01241) | Fischerella thermalis PCC 7521 | |
| 10 | HA, L, U (L, U, l) | Photosystem I reaction center protein subunit XI | polymer | 174 | 18543.2 | 3 | UniProt (A0A2N6M3Z9) Pfam (PF02605) UniProt (by SIFTS) (G6FMF1) | Fischerella thermalis PCC 7521 | |
| 11 | IA, M, V (M, V, m) | Photosystem I reaction center subunit XII | polymer | 31 | 3471.1 | 3 | UniProt (G6FWT6) Pfam (PF07465) | Fischerella thermalis PCC 7521 | PSI-M |
| 12 | JA, W, X (W, X, x) | Photosystem one PsaX | polymer | 101 | 11132.8 | 3 | UniProt (G6FSH2) Pfam (PF08078) | Fischerella thermalis PCC 7521 | |
| 13 | KA, RE, YJ (A, G, a) | CHLOROPHYLL A ISOMER | non-polymer | 893.5 | 3 | Chemie (CL0) | |||
| 14 | AB, AD, AE, AF, AG... (A, B, G, H, a...) | CHLOROPHYLL A | non-polymer | 893.5 | 252 | Chemie (CLA) | |||
| 15 | GB, GI, GN, HB, NF... (A, H, b, G, B...) | Chlorophyll F | non-polymer | 905.5 | 12 | Chemie (F6C) | |||
| 16 | AC, CE, HG, JI, OL... (A, B, G, H, a...) | PHYLLOQUINONE | non-polymer | 450.7 | 6 | Chemie (PQN) | |||
| 17 | BC, DO, EO, IG, IJ... (A, c, G, N, C...) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 9 | Chemie (SF4) | |||
| 18 | AO, CC, DC, DE, EC... (b, A, B, L, i...) | BETA-CAROTENE | non-polymer | 536.9 | 63 | Chemie (BCR) | |||
| 19 | CO, IC, OE, PG, VI... (b, A, B, G, H...) | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE | non-polymer | 723.0 | 6 | Chemie (LHG) | |||
| 20 | BO, GJ, HO, JC, MJ... (b, L, i, A, R...) | 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE | non-polymer | 787.2 | 12 | Chemie (LMG) | |||
| 21 | KC, LC, RG, SG, YL... (A, G, a) | DODECYL-BETA-D-MALTOSIDE | non-polymer | 510.6 | 6 | Chemie (LMT) | |||
| 22 | AJ, JO, OJ (L, l, U) | CALCIUM ION | non-polymer | 40.1 | 3 | Chemie (CA) |
Sequence modifications
I, R, i: 2 - 67 (UniProt: A0A2N6MR25)
K, T, k: 29 - 44 (PDB: 6PNJ)
K, T, k: 69 - 91 (UniProt: G6FV28)
| PDB | External Database | Details |
|---|---|---|
| Met 1 | - | initiating methionine |
K, T, k: 69 - 91 (UniProt: G6FV28)
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 36 |
| Total formula weight | 820501.9 | |
| Non-Polymers* | Number of molecules | 372 |
| Total formula weight | 295364.8 | |
| All* | Total formula weight | 1115866.7 |






