MolNFT v1 · #22008 · protein
A structural investigation of catalytically modified F12OL and F12OY semisynthetic ribonucleases
1SSA · Ribonuclease a: “A structural investigation of catalytically modified F12OL and F12OY semisynthetic ribonucleases”. X-ray diffraction, 1 ligand (SO4). MolNFT v1 #22008 on GenesisL1: 3D structure, binding sites and pockets in GL1X.
- PDB
- 1SSA
- Type
- protein
- Length
- 124 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Ribonuclease a
- UniProt
- P61823
- Ligands
- SO4
Structure
x-ray diffraction · 2 distinct chains · 21% helix, 37% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Ribonuclease a | protein | 113 | 23% helix, 33% strand | P61823 |
| B | Ribonuclease a | protein | 11 | 0% helix, 82% strand | P61823 |
Ligands and binding sites
- SO4 · Sulfate ion · ion · chains A, B
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Interfaces
1 interface between chains.
- A–B · 949 Ų buried · 19 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 4 disulfide (disulfide).
Compared structures
- 1SSA · A structural investigation of catalytically modified F12OL and F12OY semisynthetic… · 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
- Every structure of UniProt P61823
- Elsewhere: RCSB PDB 1SSA · PDBe 1SSA · UniProt P61823
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