6RHZ
Structure of a minimal photosystem I from a green alga
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (1) | Chlorophyll a-b binding protein, chloroplastic | polymer | 197 | 21305.2 | 1 | UniProt (C1K003) Pfam (PF00504) | Dunaliella salina (Green alga) | |
| 2 | B (2) | Chlorophyll a-b binding protein, Lhca2 | polymer | 208 | 22813.8 | 1 | Dunaliella salina | ||
| 3 | C (3) | Chlorophyll a-b binding protein, chloroplastic | polymer | 210 | 22732.8 | 1 | UniProt (C1K004) Pfam (PF00504) | Dunaliella salina (Green alga) | |
| 4 | D (4) | Chlorophyll a-b binding protein, Lhca4 | polymer | 211 | 23131.0 | 1 | Dunaliella salina | ||
| 5 | E (A) | Photosystem I P700 chlorophyll a apoprotein A1 | polymer | 739 | 81748.2 | 1 | UniProt (D0FXV2) Pfam (PF00223) | Dunaliella salina (Green alga) | PSI-A,PsaA |
| 6 | F (B) | Photosystem I P700 chlorophyll a apoprotein A2 | polymer | 730 | 81328.0 | 1 | UniProt (D0FXZ0) Pfam (PF00223) | Dunaliella salina (Green alga) | PSI-B,PsaB |
| 7 | G (C) | Photosystem I iron-sulfur center | polymer | 80 | 8717.1 | 1 | UniProt (D0FXW7) Pfam (PF12838) | Dunaliella salina (Green alga) | 9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC |
| 8 | H (D) | Photosystem I reaction center subunit II, PsaD | polymer | 141 | 15883.3 | 1 | Dunaliella salina | ||
| 9 | I (E) | Photosystem I reaction center subunit IV, PsaE | polymer | 64 | 7297.2 | 1 | Dunaliella salina | ||
| 10 | J (F) | Photosystem I reaction center subunit III, PsaF | polymer | 163 | 18212.9 | 1 | Dunaliella salina | ||
| 11 | K (J) | Photosystem I reaction center subunit IX | polymer | 40 | 4467.2 | 1 | UniProt (D0FXW0) Pfam (PF01701) | Dunaliella salina (Green alga) | PSI-J |
| 12 | DA, L, SB, YA (2, 1, 4, 3) | (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL | non-polymer | 568.9 | 4 | Chemie (LUT) | |||
| 13 | EA, M, TB, ZA (2, 1, 4, 3) | (3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL | non-polymer | 600.9 | 4 | Chemie (XAT) | |||
| 14 | AB, BB, CB, EE, EG... (3, A, B, 2, 1...) | BETA-CAROTENE | non-polymer | 536.9 | 23 | Chemie (BCR) | |||
| 15 | AA, AC, AD, AE, AF... (1, 4, A, B, 3...) | CHLOROPHYLL A | non-polymer | 893.5 | 134 | Chemie (CLA) | |||
| 16 | EC, FB, FC, HC, OA... (4, 3, 2, 1) | CHLOROPHYLL B | non-polymer | 907.5 | 10 | Chemie (CHL) | |||
| 17 | CA, KG, LE, ME, RB... (1, B, A, 3, 2) | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE | non-polymer | 723.0 | 6 | Chemie (LHG) | |||
| 18 | JC, MG, VA, WA, XA (4, B, 2) | 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE | non-polymer | 787.2 | 5 | Chemie (LMG) | |||
| 19 | KC (A) | CHLOROPHYLL A ISOMER | non-polymer | 893.5 | 1 | Chemie (CL0) | |||
| 20 | CE, DG (A, B) | PHYLLOQUINONE | non-polymer | 450.7 | 2 | Chemie (PQN) | |||
| 21 | DE, NG, OG (A, C) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 3 | Chemie (SF4) | |||
| 22 | LG (B) | DIGALACTOSYL DIACYL GLYCEROL (DGDG) | non-polymer | 949.3 | 1 | Chemie (DGD) |
Sequence modifications
1: 32 - 228 (UniProt: C1K003)
| PDB | External Database | Details |
|---|---|---|
| Ala 204 | Glu 204 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 11 |
| Total formula weight | 307636.7 | |
| Non-Polymers* | Number of molecules | 193 |
| Total formula weight | 157902.0 | |
| All* | Total formula weight | 465538.7 |
