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MolNFT v1 · #414 · protein

K217A variant of klebsiella aerogenes urease, chemically rescued by formate and nickel

1A5N · Urease (gamma subunit): “K217A variant of klebsiella aerogenes urease, chemically rescued by formate and nickel”. X-ray diffraction, 1 ligand (NI), 3 pockets (best druggability 0.68). MolNFT v1 #414 on GenesisL1: 3D structure…

PDB
1A5N
Type
protein
Length
752 residues
Chains
3
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Urease (gamma subunit); Urease (beta subunit); Urease (alpha subunit)
EC
3.5.1.5
UniProt
P18316, P18315, P18314
Ligands
NI
Pockets
3 · best druggability 0.68

Structure

x-ray diffraction · 3 distinct chains · 29% helix, 25% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AUrease (gamma subunit) (EC 3.5.1.5)protein10057% helix, 18% strandP18316
BUrease (beta subunit) (EC 3.5.1.5)protein1013% helix, 38% strandP18315
CUrease (alpha subunit) (EC 3.5.1.5)protein55129% helix, 24% strandP18314

Ligands and binding sites

  • NI · Nickel (II) ion · metal · 2 copies · chains C
  • FMT · Formic acid · additive · chains C

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

3 pockets found on a 1 Å grid, 1 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
16630.680.7660empty
21230.410.7617empty
31420.410.7422empty

Interfaces

3 interfaces between chains.

  • B–C · 1756 Ų buried · 25 hydrogen bonds · protein-protein
  • A–C · 974 Ų buried · 14 hydrogen bonds · protein-protein
  • A–B · 157 Ų buried · 1 hydrogen bond · protein-protein

Compared structures

  • 1A5N · K217A variant of klebsiella aerogenes urease, chemically rescued by formate and nickel · the same entry in another collection · chain A against A, TM-score 1.00
  • P18314 · AlphaFold monomer V2.0 prediction for urease subunit alpha (P18314) · a predicted model of the same protein · chain C against A, TM-score 1.00
  • P18315 · AlphaFold monomer V2.0 prediction for urease subunit beta (P18315) · a predicted model of the same protein · chain B against A, TM-score 0.99
  • P18316 · AlphaFold monomer V2.0 prediction for urease subunit gamma (P18316) · a predicted model of the same protein · chain A against A, TM-score 0.98

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