3rod

X-ray diffraction
2.72Å resolution

Methyltransferase

Released:

Function and Biology Details

Reaction catalysed:
S-adenosyl-L-methionine + nicotinamide = S-adenosyl-L-homocysteine + 1-methylnicotinamide
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-154063 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Nicotinamide N-methyltransferase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 283 amino acids
Theoretical weight: 31.47 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P40261 (Residues: 1-264; Coverage: 100%)
Gene name: NNMT
Sequence domains: NNMT/PNMT/TEMT family
Structure domains: Vaccinia Virus protein VP39

Ligands and Environments


Cofactor: Ligand SAH 4 x SAH
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P1
Unit cell:
a: 60.663Å b: 61.793Å c: 74.342Å
α: 106.57° β: 103.98° γ: 104.14°
R-values:
R R work R free
0.208 0.205 0.264
Expression system: Escherichia coli BL21(DE3)