MolNFT v1 · #48325 · protein
Photosynthetic reaction center and core antenna system (trimeric), alpha carbon only
2PPS · Photosystem I: “Photosynthetic reaction center and core antenna system (trimeric), alpha carbon only”. X-ray diffraction, 3 ligands (CLA, SF4, PQN). MolNFT v1 #48325 on GenesisL1: 3D structure, binding sites and pockets in GL1X.
- PDB
- 2PPS
- Type
- protein
- Length
- 1,366 residues
- Chains
- 6
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Photosystem I
- Ligands
- CLA, SF4, PQN
Structure
x-ray diffraction · 6 distinct chains · 0% helix, 0% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Photosystem I | protein | 478 | 0% helix, 0% strand | — |
| B | Photosystem I | protein | 503 | 0% helix, 0% strand | — |
| L | Photosystem I | protein | 111 | 0% helix, 0% strand | — |
| K | Photosystem I | protein | 64 | 0% helix, 0% strand | — |
| F | Photosystem I | protein | 130 | 0% helix, 0% strand | — |
| C | Photosystem I | protein | 80 | 0% helix, 0% strand | — |
Ligands and binding sites
- CLA · Chlorophyll A · ligand · 89 copies · chains B, A, F, L, K
- SF4 · Iron/sulfur cluster · ligand · 3 copies · chains A, B, C
- PQN · Phylloquinone · ion
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Interfaces
5 interfaces between chains.
- A–B · 207 Ų buried · 0 hydrogen bonds · protein-protein
- B–F · 58 Ų buried · 0 hydrogen bonds · protein-protein
- B–K · 45 Ų buried · 0 hydrogen bonds · protein-protein
- A–F · 19 Ų buried · 0 hydrogen bonds · protein-protein
- A–C · 12 Ų buried · 0 hydrogen bonds · protein-protein
Compared structures
- 2PPS · Photosynthetic reaction center and core antenna system (trimeric), alpha carbon only · the same entry in another collection · chain A against A, TM-score 1.00
Analyse
- Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
- Elsewhere: RCSB PDB 2PPS · PDBe 2PPS
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