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MolNFT v1 · #17557 · protein

Crystal structure of yeast cytosine deaminase apo-enzyme: inorganic zinc bound

1OX7: “Crystal structure of yeast cytosine deaminase apo-enzyme: inorganic zinc bound”. X-ray diffraction, 2 ligands (ZN, CA). MolNFT v1 #17557 on GenesisL1: 3D structure, binding sites and pockets in GL1X.

PDB
1OX7
Type
protein
Length
319 residues
Chains
2
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Cytosine deaminase
EC
3.5.4.1
UniProt
Q12178
Ligands
ZN, CA

Structure

x-ray diffraction · 2 distinct chains · 45% helix, 17% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ACytosine deaminase (EC 3.5.4.1)protein15845% helix, 18% strandQ12178
BCytosine deaminase (EC 3.5.4.1)protein16144% helix, 16% strandQ12178

Ligands and binding sites

  • ZN · Zinc ion · metal · 4 copies · chains A, B
  • CA · Calcium ion · metal · chains B

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

Interfaces

1 interface between chains.

  • A–B · 1528 Ų buried · 24 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 14 modified (engineered).

Compared structures

  • 1OX7 · Crystal structure of yeast cytosine deaminase apo-enzyme: inorganic zinc bound · the same entry in another collection · chain A against A, TM-score 1.00
  • Q12178 · AlphaFold monomer V2.0 prediction for cytosine deaminase (Q12178) · a predicted model of the same protein · chain B against A, TM-score 0.98

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