Research workbench
C-Phycocyanin from heterocyst forming filamentous cyanobacterium Nostoc sp. WR13
Analyse C-Phycocyanin from heterocyst forming filamentous cyanobacterium Nostoc sp. WR13 in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 6HRN
- Type
- protein
- Length
- 334 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v2 / PDB Bank
- Contract
- 0xd58B01f6C18086e5202cdC5D7Ad3E41790360102
- Owner
- 0xF4e1AA6f26B7DA48EeAD9B24a97927303eeA07b8
- Resolution
- 1.513
- Source
- Nostoc sp.
- Molecule
- Alpha Subunit of Cyanobacterial Phycocyanin protein; Beta Subunit of Cyanobacterial…
- Ligands
- CYC, PO4, NO3
- Pockets
- 2 · best druggability 0.61
Structure
x-ray diffraction · resolution 1.513 · 2 distinct chains · 77% helix, 0% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Alpha Subunit of Cyanobacterial Phycocyanin protein | protein | 162 | 78% helix, 0% strand | — |
| B | Beta Subunit of Cyanobacterial Phycocyanin protein | protein | 172 | 76% helix, 0% strand | — |
Ligands and binding sites
- CYC · Phycocyanobilin · ligand · 3 copies · chains A, B
- PO4 · Phosphate ion · ion · chains B
- NO3 · Nitrate ion · ion · chains B
- PG4 · Tetraethylene glycol · additive · 5 copies · chains A, B
- PEG · Di(hydroxyethyl)ether · additive · 2 copies · chains A, B
- PGE · Triethylene glycol · additive · 2 copies · chains B
- MPD · (4S)-2-methyl-2,4-pentanediol · additive · chains B
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
2 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 95 | 0.61 | 0.88 | 21 | CYC |
| 2 | 178 | 0.55 | 0.80 | 28 | CYC |
Interfaces
1 interface between chains.
- A–B · 1652 Ų buried · 14 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 3 cofactor, 1 modified (phycocyanobilin attachment, nonstandard).
Compared structures
- 6HRN · C-phycocyanin from heterocyst forming filamentous cyanobacterium nostoc sp. WR13 · 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 6HRN · PDBe 6HRN
GL1X is a live explorer of the GenesisL1 blockchain. Turn on JavaScript for search, charts and interactive views.