Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, KA, M, Y (A1, A2, A, AA) | Photosystem I P700 chlorophyll a apoprotein A1 | polymer | 740 | 81932.1 | 4 | UniProt (P58576) Pfam (PF00223) | Nostoc sp. PCC 7120 | PsaA |
| 2 | B, LA, N, Z (B1, B2, B, BB) | Photosystem I P700 chlorophyll a apoprotein A2 1 | polymer | 739 | 83254.7 | 4 | UniProt (P58565) Pfam (PF00223) | Nostoc sp. PCC 7120 | PsaB 1 |
| 3 | AA, C, MA, O (C1, C2, C, CC) | Photosystem I iron-sulfur center | polymer | 80 | 8694.0 | 4 | UniProt (P0A410) Pfam (PF12838) | Nostoc sp. PCC 7120 | 9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC |
| 4 | BA, D, NA, P (D1, D2, D, DD) | Photosystem I reaction center subunit II | polymer | 134 | 14672.7 | 4 | UniProt (P58573) Pfam (PF02531) | Nostoc sp. PCC 7120 | |
| 5 | E, Q (E1, E2) | Photosystem I reaction center subunit IV | polymer | 60 | 6809.7 | 2 | UniProt (P58575) Pfam (PF02427) | Nostoc sp. PCC 7120 | |
| 6 | DA, F, PA (F1, F, FF) | Photosystem I reaction center subunit III | polymer | 139 | 15030.0 | 3 | UniProt (P58564) Pfam (PF02507) | Nostoc sp. PCC 7120 | PSI-F |
| 7 | EA, G, QA (I1, I, II) | Photosystem I reaction center subunit VIII | polymer | 31 | 3550.2 | 3 | UniProt (P58560) Pfam (PF00796) | Nostoc sp. PCC 7120 | |
| 8 | FA, H, RA, T (J1, J2, J, JJ) | Photosystem I reaction center subunit IX | polymer | 48 | 5368.2 | 4 | UniProt (P58568) Pfam (PF01701) | Nostoc sp. PCC 7120 | |
| 9 | GA, I, SA (K1, K, KK) | Photosystem I reaction center subunit PsaK 1 | polymer | 74 | 7580.9 | 3 | UniProt (P58583) Pfam (PF01241) | Nostoc sp. PCC 7120 | Photosystem I subunit X 1 |
| 10 | J (L1) | Photosystem I reaction center subunit XI | polymer | 166 | 17545.0 | 1 | UniProt (P58577) Pfam (PF02605) | Nostoc sp. PCC 7120 | PSI subunit V,PSI-L |
| 11 | IA, K, UA, W (M1, M2, M, MM) | Photosystem I reaction center subunit XII | polymer | 31 | 3407.0 | 4 | UniProt (Q8YNB0) Pfam (PF07465) | Nostoc sp. PCC 7120 | PSI-M |
| 12 | JA, L, VA, X (X1, X2, X, XX) | Photosystem I 4.8 kDa protein | polymer | 39 | 4342.1 | 4 | UniProt (P58566) Pfam (PF08078) | Nostoc sp. PCC 7120 | |
| 13 | R (F2) | Photosystem I reaction center subunit III | polymer | 137 | 14845.8 | 1 | UniProt (P58564) Pfam (PF02507) | Nostoc sp. PCC 7120 | PSI-F |
| 14 | S (I2) | Photosystem I reaction center subunit VIII | polymer | 33 | 3764.4 | 1 | UniProt (P58560) Pfam (PF00796) | Nostoc sp. PCC 7120 | |
| 15 | U (K2) | Photosystem I reaction center subunit PsaK 1 | polymer | 73 | 7509.8 | 1 | UniProt (P58583) Pfam (PF01241) | Nostoc sp. PCC 7120 | Photosystem I subunit X 1 |
| 16 | V (L2) | Photosystem I reaction center subunit XI | polymer | 167 | 17673.1 | 1 | UniProt (P58577) Pfam (PF02605) | Nostoc sp. PCC 7120 | PSI subunit V,PSI-L |
| 17 | CA, OA (E, EE) | Photosystem I reaction center subunit IV | polymer | 63 | 7107.0 | 2 | UniProt (P58575) Pfam (PF02427) | Nostoc sp. PCC 7120 | |
| 18 | HA, TA (L, LL) | Photosystem I reaction center subunit XI | polymer | 154 | 16290.7 | 2 | UniProt (P58577) Pfam (PF02605) | Nostoc sp. PCC 7120 | PSI subunit V,PSI-L |
| 19 | AB, AC, AE, AG, AH... (A1, B1, L1, A2, B2...) | CHLOROPHYLL A | non-polymer | 893.5 | 378 | Chemie (CLA) | |||
| 20 | CM, NG, SR, XA (A, A2, AA, A1) | CHLOROPHYLL A ISOMER | non-polymer | 893.5 | 4 | Chemie (CL0) | |||
| 21 | AK, BI, EV, HT, LE... (B2, A2, BB, AA, B1...) | PHYLLOQUINONE | non-polymer | 450.7 | 8 | Chemie (PQN) | |||
| 22 | BX, CQ, DI, DQ, EI... (XX, B, A2, L1, X1...) | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE | non-polymer | 723.0 | 24 | Chemie (LHG) | |||
| 23 | AL, AO, BK, BO, BR... (I2, A, B2, K, L1...) | BETA-CAROTENE | non-polymer | 536.9 | 94 | Chemie (BCR) | |||
| 24 | AQ, BL, BM, CO, CR... (B, I2, A, K, L...) | Digitonin | non-polymer | 1229.3 | 22 | Chemie (AJP) | |||
| 25 | AD, AF, BQ, CL, DR... (A1, B1, B, I2, L...) | 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE | non-polymer | 787.2 | 30 | Chemie (LMG) | |||
| 26 | DK, HV, OE, RP (B2, BB, B1, B) | beta,beta-caroten-4-one | non-polymer | 550.9 | 4 | Chemie (ECH) | |||
| 27 | AW, BF, CF, LQ, MQ... (CC, C1, B, C, B2...) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 12 | Chemie (SF4) | |||
| 28 | GQ, VV (B, BB) | DIGALACTOSYL DIACYL GLYCEROL (DGDG) | non-polymer | 949.3 | 2 | Chemie (DGD) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 48 |
| Total formula weight | 1006919.5 | |
| Non-Polymers* | Number of molecules | 578 |
| Total formula weight | 471717.0 | |
| All* | Total formula weight | 1478636.5 |
