MolNFT v1 · #163542 · protein
Crystal structure of the homospermidine synthase (hss) variant N135F from blastochloris viridis in complex with NAD
6S65: “Crystal structure of the homospermidine synthase (hss) variant N135F from blastochloris viridis in complex…”. X-ray diffraction, 1 ligand (NAD), 10 pockets (best druggability 0.78). MolNFT v1 #163542 on GenesisL1: 3D structure…
- PDB
- 6S65
- Type
- protein
- Length
- 932 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Homospermidine synthase
- EC
- 2.5.1.44
- UniProt
- O32323
- Ligands
- NAD
- Pockets
- 10 · best druggability 0.78
Structure
x-ray diffraction · 2 distinct chains · 36% helix, 25% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Homospermidine synthase (EC 2.5.1.44) | protein | 467 | 36% helix, 25% strand | O32323 |
| B | Homospermidine synthase (EC 2.5.1.44) | protein | 465 | 36% helix, 25% strand | O32323 |
Ligands and binding sites
- NAD · Nicotinamide-adenine-dinucleotide · ligand · 2 copies · chains A, B
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
10 pockets found on a 1 Å grid, 6 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 993 | 0.78 | 0.80 | 82 | empty |
| 2 | 635 | 0.77 | 0.82 | 82 | NAD |
| 3 | 634 | 0.77 | 0.82 | 89 | NAD |
| 4 | 90 | 0.75 | 0.97 | 19 | empty |
| 5 | 119 | 0.66 | 0.89 | 23 | empty |
Interfaces
1 interface between chains.
- A–B · 1456 Ų buried · 8 hydrogen bonds · protein-protein
Compared structures
- 6S65 · Crystal Structure of the Homospermidine Synthase (HSS) variant N135F from Blastochloris… · the same entry in another collection · chain A against A, TM-score 1.00
- O32323 · AlphaFold monomer V2.0 prediction for homospermidine synthase (O32323) · a predicted model of the same protein · 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 O32323
- Elsewhere: RCSB PDB 6S65 · PDBe 6S65 · UniProt O32323
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