MolNFT v1 · #2710 · protein
Photosynthetic reaction center and core antenna system (trimeric), alpha carbon only
1C51 · Protein (photosystem I: subunit psaa): “Photosynthetic reaction center and core antenna system (trimeric), alpha carbon only”. X-ray diffraction, 3 ligands (CLA, SF4, PQN). MolNFT v1 #2710 on GenesisL1: 3D structure, binding sites…
- PDB
- 1C51
- Type
- protein
- Length
- 1,844 residues
- Chains
- 8
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Protein (photosystem I: subunit psaa); Protein (photosystem I: subunit psab ); Protein…
- Ligands
- CLA, SF4, PQN
Structure
x-ray diffraction · 8 distinct chains · 0% helix, 0% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Protein (photosystem I: subunit psaa) | protein | 597 | 0% helix, 0% strand | — |
| B | Protein (photosystem I: subunit psab ) | protein | 619 | 0% helix, 0% strand | — |
| C | Protein (photosystem I: subunit psac) | protein | 77 | 0% helix, 0% strand | — |
| D | Protein (photosystem I: subunit psad) | protein | 125 | 0% helix, 0% strand | — |
| E | Protein (photosystem I: subunit psae) | protein | 75 | 0% helix, 0% strand | — |
| F | Protein (photosystem I: subunit psaf) | protein | 153 | 0% helix, 0% strand | — |
| K | Protein (photosystem I: subunit psak) | protein | 78 | 0% helix, 0% strand | — |
| L | Protein (photosystem I: subunit psal) | protein | 120 | 0% helix, 0% strand | — |
Ligands and binding sites
- CLA · Chlorophyll A · ligand · 72 copies · chains B, A, L, K
- SF4 · Iron/sulfur cluster · ligand · 3 copies · chains A, B, C
- PQN · Phylloquinone · ligand · 2 copies · chains B
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Interfaces
13 interfaces between chains.
- A–B · 392 Ų buried · 0 hydrogen bonds · protein-protein
- C–D · 182 Ų buried · 0 hydrogen bonds · protein-protein
- B–K · 131 Ų buried · 0 hydrogen bonds · protein-protein
- B–E · 75 Ų buried · 0 hydrogen bonds · protein-protein
- A–C · 68 Ų buried · 0 hydrogen bonds · protein-protein
Compared structures
- 1C51 · 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 1C51 · PDBe 1C51
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