7Y8A
Cryo-EM structure of cryptophyte photosystem I
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (1) | ACPI-1 | polymer | 222 | 23479.4 | 1 | Chroomonas placoidea | ||
| 2 | B (2) | ACPI-2 | polymer | 216 | 23400.1 | 1 | Chroomonas placoidea | ||
| 3 | C (3) | ACPI-3 | polymer | 236 | 24966.3 | 1 | Chroomonas placoidea | ||
| 4 | D (4) | ACPI-4 | polymer | 217 | 23548.2 | 1 | Chroomonas placoidea | ||
| 5 | E (5) | ACPI-5 | polymer | 229 | 24055.0 | 1 | Chroomonas placoidea | ||
| 6 | F (6) | ACPI-6 | polymer | 215 | 22688.6 | 1 | Chroomonas placoidea | ||
| 7 | G (7) | ACPI-7 | polymer | 230 | 24550.4 | 1 | Chroomonas placoidea | ||
| 8 | H (8) | ACPI-8 | polymer | 227 | 23700.5 | 1 | Chroomonas placoidea | ||
| 9 | I (9) | ACPI-12 | polymer | 220 | 23223.1 | 1 | Chroomonas placoidea | ||
| 10 | J (A) | Photosystem I P700 chlorophyll a apoprotein A1 | polymer | 752 | 83493.6 | 1 | UniProt (A0A222AIB4) Pfam (PF00223) | Chroomonas placoidea | PsaA |
| 11 | K (B) | Photosystem I P700 chlorophyll a apoprotein A2 | polymer | 734 | 82219.8 | 1 | UniProt (A0A222AI95) Pfam (PF00223) | Chroomonas placoidea | PsaB |
| 12 | L (C) | Photosystem I iron-sulfur center | polymer | 81 | 8743.1 | 1 | UniProt (A0A222AI25) Pfam (PF12838) | Chroomonas placoidea | 9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC |
| 13 | M (D) | Photosystem I reaction center subunit II | polymer | 141 | 15590.8 | 1 | UniProt (A0A222AIA6) Pfam (PF02531) | Chroomonas placoidea | |
| 14 | N (E) | Photosystem I reaction center subunit IV | polymer | 64 | 7352.4 | 1 | UniProt (A0A222AIF3) Pfam (PF02427) | Chroomonas placoidea | |
| 15 | O (F) | Photosystem I reaction center subunit III | polymer | 183 | 20393.5 | 1 | UniProt (A0A222AI52) Pfam (PF02507) | Chroomonas placoidea | PSI-F |
| 16 | P (I) | Photosystem I reaction center subunit VIII | polymer | 36 | 3975.8 | 1 | UniProt (A0A222AI78) Pfam (PF00796) | Chroomonas placoidea | |
| 17 | Q (J) | Photosystem I reaction center subunit IX | polymer | 42 | 4862.7 | 1 | UniProt (A0A222AI55) Pfam (PF01701) | Chroomonas placoidea | |
| 18 | R (K) | Photosystem I reaction center subunit PsaK | polymer | 87 | 8836.4 | 1 | UniProt (A0A222AI34) Pfam (PF01241) | Chroomonas placoidea | Photosystem I subunit X |
| 19 | S (L) | Photosystem I reaction center subunit XI | polymer | 153 | 16490.9 | 1 | UniProt (A0A222AI68) Pfam (PF02605) | Chroomonas placoidea | PSI subunit V,PSI-L |
| 20 | T (M) | Photosystem I reaction center subunit XII | polymer | 30 | 3248.0 | 1 | UniProt (A0A222AI28) Pfam (PF07465) | Chroomonas placoidea | PSI-M |
| 21 | U (O) | PsaO | polymer | 154 | 16253.0 | 1 | Chroomonas placoidea | ||
| 22 | V (R) | PsaR | polymer | 133 | 13867.0 | 1 | Chroomonas placoidea | ||
| 23 | W (X) | Unk1 | polymer | 164 | 13975.2 | 1 | Chroomonas placoidea | ||
| 24 | X (Z) | ACPI-S | polymer | 242 | 25645.5 | 1 | Chroomonas placoidea | ||
| 25 | Y (a) | ACPI-13 | polymer | 215 | 22271.0 | 1 | Chroomonas placoidea | ||
| 26 | Z (b) | ACPI-14 | polymer | 218 | 23755.6 | 1 | Chroomonas placoidea | ||
| 27 | AA, AB, AE, AF, AG... (1, 2, 6, 7, 9...) | CHLOROPHYLL A | non-polymer | 893.5 | 222 | Chemie (CLA) | |||
| 28 | CB, FM, GE, HN, JA... (2, Z, 6, b, 1...) | Chlorophyll c2 | non-polymer | 608.9 | 14 | Chemie (KC2) | |||
| 29 | AC, BC, BL, CC, CF... (3, J, 7, 2, 6...) | (1~{R})-3,5,5-trimethyl-4-[(3~{E},5~{E},7~{E},9~{E},11~{E},13~{E},15~{E})-3,7,12,16-tetramethyl-18-[(4~{R})-2,6,6-trimethyl-4-oxidanyl-cyclohexen-1-yl]octadeca-3,5,7,9,11,13,15-heptaen-1,17-diynyl]cyclohex-3-en-1-ol | non-polymer | 564.8 | 47 | Chemie (II0) | |||
| 30 | OA, PN (1, b) | (1~{R})-3,5,5-trimethyl-4-[(3~{E},5~{E},7~{E},9~{E},11~{E},13~{E},15~{E},17~{E})-3,7,12,16-tetramethyl-18-[(1~{R},4~{R})-2,6,6-trimethyl-4-oxidanyl-cyclohex-2-en-1-yl]octadeca-3,5,7,9,11,13,15,17-octaen-1-ynyl]cyclohex-3-en-1-ol | non-polymer | 566.9 | 2 | Chemie (II3) | |||
| 31 | AM, AN, IB, LL, ME... (Z, a, 2, L, 6...) | (1~{R})-3,5,5-trimethyl-4-[(3~{E},5~{E},7~{E},9~{E},11~{E},13~{E},15~{E},17~{E})-3,7,12,16-tetramethyl-18-(2,6,6-trimethylcyclohexen-1-yl)octadeca-3,5,7,9,11,13,15,17-octaen-1-ynyl]cyclohex-3-en-1-ol | non-polymer | 550.9 | 10 | Chemie (IHT) | |||
| 32 | EC, GC, JB, OE, XF... (3, 2, 6, 8, F) | 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE | non-polymer | 787.2 | 7 | Chemie (LMG) | |||
| 33 | BD, BN, CD, CN, FC... (4, a, 3, 7, Z...) | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE | non-polymer | 723.0 | 19 | Chemie (LHG) | |||
| 34 | HC, UL (3, O) | 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL | non-polymer | 795.1 | 2 | Chemie (SQD) | |||
| 35 | AL, DL, GF, GM, HL... (I, J, 7, Z, K...) | (6'R,11cis,11'cis,13cis,15cis)-4',5'-didehydro-5',6'-dihydro-beta,beta-carotene | non-polymer | 536.9 | 24 | Chemie (8CT) | |||
| 36 | AD, EL, JF (4, J, 7) | DODECYL-ALPHA-D-MALTOSIDE | non-polymer | 510.6 | 3 | Chemie (LMU) | |||
| 37 | PI, TK, UK (A, C) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 3 | Chemie (SF4) | |||
| 38 | KK, QI (B, A) | PHYLLOQUINONE | non-polymer | 450.7 | 2 | Chemie (PQN) | |||
| 39 | BM, QK (Z, B) | DIGALACTOSYL DIACYL GLYCEROL (DGDG) | non-polymer | 949.3 | 2 | Chemie (DGD) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 26 |
| Total formula weight | 584585.8 | |
| Non-Polymers* | Number of molecules | 357 |
| Total formula weight | 279177.7 | |
| All* | Total formula weight | 863763.6 |






