Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, M, Y (A, bA, cA) | Photosystem I P700 chlorophyll a apoprotein A1 | polymer | 751 | 83347.8 | 3 | Arthrospira platensis NIES-39 | ||
| 2 | B, N, Z (B, bB, cB) | Photosystem I P700 chlorophyll a apoprotein A2 | polymer | 741 | 83483.0 | 3 | Arthrospira platensis NIES-39 | ||
| 3 | AA, C, O (C, bC, cC) | Photosystem I iron-sulfur center | polymer | 81 | 8823.2 | 3 | Arthrospira platensis NIES-39 | ||
| 4 | BA, D, P (D, bD, cD) | Photosystem I reaction center subunit II | polymer | 142 | 15863.1 | 3 | Arthrospira platensis NIES-39 | ||
| 5 | CA, E, Q (E, bE, cE) | Photosystem I reaction center subunit IV | polymer | 77 | 8621.8 | 3 | Arthrospira platensis NIES-39 | ||
| 6 | DA, F, R (F, bF, cF) | Photosystem I reaction center subunit III | polymer | 162 | 17740.4 | 3 | Arthrospira platensis NIES-39 | ||
| 7 | EA, G, S (I, bI, cI) | Photosystem I reaction center subunit VIII | polymer | 38 | 4236.1 | 3 | Arthrospira platensis NIES-39 | ||
| 8 | FA, H, T (J, bJ, cJ) | Photosystem I reaction center subunit IX | polymer | 41 | 4765.7 | 3 | Arthrospira platensis NIES-39 | ||
| 9 | GA, I, U (K, bK, cK) | Unknown | polymer | 82 | 6996.6 | 3 | Arthrospira platensis NIES-39 | ||
| 10 | HA, J, V (L, bL, cL) | Photosystem I reaction center subunit XI | polymer | 161 | 17018.3 | 3 | Arthrospira platensis NIES-39 | ||
| 11 | IA, K, W (M, bM, cM) | Photosystem I reaction center subunit XII | polymer | 31 | 3426.1 | 3 | Arthrospira platensis NIES-39 | ||
| 12 | JA, L, X (X, bX, cX) | Photosystem I reaction center subunit psaX | polymer | 36 | 4107.8 | 3 | Arthrospira platensis NIES-39 | ||
| 13 | CK, GF, KA (cA, bA, A) | CHLOROPHYLL A ISOMER | non-polymer | 893.5 | 3 | Chemie (CL0) | |||
| 14 | AB, AD, AG, AI, AL... (A, B, bA, bB, cA...) | CHLOROPHYLL A | non-polymer | 893.5 | 273 | Chemie (CLA) | |||
| 15 | AC, RN, SL, UI, WG... (A, cB, cA, bB, bA...) | PHYLLOQUINONE | non-polymer | 450.7 | 6 | Chemie (PQN) PubChem (5284607) | |||
| 16 | BC, CO, DO, GJ, HJ... (A, cC, bC, C, cA...) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 9 | Chemie (SF4) | |||
| 17 | AE, AF, AH, AJ, AK... (B, L, bA, bB, bM...) | BETA-CAROTENE | non-polymer | 536.9 | 60 | Chemie (BCR) PubChem (5280489) PubChem (86765360) PubChem (173398668) | |||
| 18 | AM, DH, EH, HC, IC... (cA, bA, A) | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE | non-polymer | 723.0 | 6 | Chemie (LHG) | |||
| 19 | CF, CM, DF, GH, IO... (L, cA, bA, cI, A...) | UNKNOWN LIGAND | non-polymer | 15 | Chemie (UNL) | ||||
| 20 | CJ, GE, ZN (bB, B, cB) | 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE | non-polymer | 787.2 | 3 | Chemie (LMG) PubChem (446441) | |||
| 21 | BF, NO, XJ (L, cL, bL) | CALCIUM ION | non-polymer | 40.1 | 3 | Chemie (CA) PubChem (271) | |||
| 22 | AP, BP, CP, DP, EP... (C, D, E, I, L...) | water | water | 18.0 | 351 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 36 |
| Total formula weight | 775290.2 | |
| Non-Polymers* | Number of molecules | 378 |
| Total formula weight | 291503.8 | |
| All* | Total formula weight | 1066794.0 |






