4Y28
The structure of plant photosystem I super-complex at 2.8 angstrom resolution.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Photosystem I P700 chlorophyll a apoprotein A1 | polymer | 758 | 84328.6 | 1 | UniProt (P05310) Pfam (PF00223) | Pisum sativum (Garden pea) | PSI-A,PsaA |
| 2 | B (B) | Photosystem I P700 chlorophyll a apoprotein A2 | polymer | 733 | 82503.0 | 1 | UniProt (P05311) Pfam (PF00223) | Pisum sativum (Garden pea) | PSI-B,PsaB |
| 3 | C (I) | Photosystem I reaction center subunit VIII | polymer | 30 | 3296.0 | 1 | UniProt (P17227) Pfam (PF00796) | Pisum sativum (Garden pea) | PSI-I |
| 4 | D (J) | Photosystem I reaction center subunit IX | polymer | 42 | 4733.6 | 1 | UniProt (D5MAL3) Pfam (PF01701) | Pisum sativum (Garden pea) | PSI-J |
| 5 | E (F) | Photosystem I reaction center subunit III | polymer | 154 | 17256.0 | 1 | Pfam (PF02507) UniProt (by SIFTS) (A0A0M3KL12) | Pisum sativum (Garden pea) | Uncharacterized protein |
| 6 | F (G) | photosystem I reaction center | polymer | 97 | 10439.7 | 1 | Pfam (PF01241) UniProt (by SIFTS) (A0A0M3KL13) | Pisum sativum (Garden pea) | |
| 7 | G (L) | Putative uncharacterized protein | polymer | 167 | 17781.3 | 1 | Pfam (PF02605) UniProt (by SIFTS) (E1C9L1) | Pisum sativum (Garden pea) | |
| 8 | H (C) | Photosystem I iron-sulfur center | polymer | 81 | 8991.5 | 1 | UniProt (P10793) Pfam (PF14697) | Pisum sativum (Garden pea) | 9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC |
| 9 | I (D) | Photosystem I reaction center subunit II, chloroplastic | polymer | 147 | 16419.9 | 1 | Pfam (PF02531) UniProt (by SIFTS) (E1C9K8) | Pisum sativum (Garden pea) | Photosystem I 20 kDa subunit,PSI-D |
| 10 | J (E) | Photosystem I reaction center subunit IV A, chloroplastic | polymer | 66 | 7509.4 | 1 | Pfam (PF02427) UniProt (by SIFTS) (E1C9K6) | Pisum sativum (Garden pea) | PSI-E A |
| 11 | K (H) | Photosystem I reaction center subunit VI | polymer | 90 | 9692.0 | 1 | Pfam (PF03244) UniProt (by SIFTS) (A0A0M3KL10) | Pisum sativum (Garden pea) | Uncharacterized protein |
| 12 | L (K) | Photosystem I reaction center subunit X psaK | polymer | 129 | 13320.8 | 1 | Pfam (PF01241) UniProt (by SIFTS) (A0A0M3KL11) | Pisum sativum (Garden pea) | |
| 13 | M (2) | Type II chlorophyll a/b binding protein from photosystem I | polymer | 269 | 28911.8 | 1 | UniProt (Q41038) Pfam (PF00504) | Pisum sativum (Garden pea) | |
| 14 | N (4) | Chlorophyll a-b binding protein P4, chloroplastic | polymer | 252 | 27297.1 | 1 | UniProt (Q9SQL2) Pfam (PF00504) | Pisum sativum (Garden pea) | LHCI type III CAB-P4 |
| 15 | O (1) | Light-harvesting complex I chlorophyll A/B-binding protein | polymer | 202 | 22383.6 | 1 | Pfam (PF00504) UniProt (by SIFTS) (E1C9L2) | Pisum sativum (Garden pea) | Uncharacterized protein |
| 16 | P (3) | Chlorophyll a-b binding protein 3, chloroplastic | polymer | 275 | 29634.8 | 1 | UniProt (Q32904) Pfam (PF00504) | Pisum sativum (Garden pea) | LHCII type III CAB-3 |
| 17 | Q (A) | CHLOROPHYLL A ISOMER | non-polymer | 893.5 | 1 | Chemie (CL0) | |||
| 18 | AB, AD, AF, AH, BB... (A, B, 2, 3, F...) | CHLOROPHYLL A | non-polymer | 893.5 | 146 | Chemie (CLA) | |||
| 19 | QE, RE, U (C, A) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 3 | Chemie (SF4) | |||
| 20 | AC, V (B, A) | PHYLLOQUINONE | non-polymer | 450.7 | 2 | Chemie (PQN) | |||
| 21 | BC, CA, KF, W, YG (B, A, 2, 1) | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE | non-polymer | 723.0 | 5 | Chemie (LHG) | |||
| 22 | AA, BA, EC, EE, FC... (A, B, F, G, L...) | BETA-CAROTENE | non-polymer | 536.9 | 21 | Chemie (BCR) | |||
| 23 | AE, CC, DE, GG, KE... (F, B, 4, G, 2...) | 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE | non-polymer | 787.2 | 7 | Chemie (LMG) | |||
| 24 | DC (B) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 25 | XC (B) | DIGALACTOSYL DIACYL GLYCEROL (DGDG) | non-polymer | 949.3 | 1 | Chemie (DGD) | |||
| 26 | SD, TD (B) | DODECYL-ALPHA-D-MALTOSIDE | non-polymer | 510.6 | 2 | Chemie (LMU) | |||
| 27 | DG, EG, FG, IF, JF... (4, 2, 3, I, 1) | (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL | non-polymer | 568.9 | 10 | Chemie (LUT) | |||
| 28 | AG, DF, EF, GF, IH... (4, 2, 3, 1) | CHLOROPHYLL B | non-polymer | 907.5 | 9 | Chemie (CHL) | |||
| 29 | HG (4) | (1R,2S)-4-{(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(4S)-4-hydroxy-2,6,6-trimethylcyclohex-1-en-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaen-1-yl}-2,5,5-trimethylcyclohex-3-en-1-ol | non-polymer | 568.9 | 1 | Chemie (ZEX) |
Sequence modifications
A: 1 - 758 (UniProt: P05310)
B: 1 - 733 (UniProt: P05311)
2: 1 - 269 (UniProt: Q41038)
4: 1 - 252 (UniProt: Q9SQL2)
| PDB | External Database | Details |
|---|---|---|
| Ile 21 | Leu 21 | engineered mutation |
| Leu 22 | Val 22 | engineered mutation |
| Arg 117 | Gly 117 | engineered mutation |
| Gly 220 | Arg 220 | engineered mutation |
| PDB | External Database | Details |
|---|---|---|
| Leu 5 | Ile 5 | engineered mutation |
| Ile 115 | Asn 115 | engineered mutation |
| Met 273 | Val 273 | engineered mutation |
| Ser 471 | Thr 471 | engineered mutation |
| Val 476 | Ile 476 | engineered mutation |
| Leu 477 | Pro 477 | engineered mutation |
| Tyr 635 | Ile 635 | engineered mutation |
| PDB | External Database | Details |
|---|---|---|
| Leu 133 | Asn 133 | engineered mutation |
| PDB | External Database | Details |
|---|---|---|
| Asp 128 | Ala 128 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 16 |
| Total formula weight | 384499.1 | |
| Non-Polymers* | Number of molecules | 209 |
| Total formula weight | 170133.9 | |
| All* | Total formula weight | 554633.0 |
