Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0008936 | molecular_function | nicotinamidase activity |
| A | 0016787 | molecular_function | hydrolase activity |
| A | 0016811 | molecular_function | hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides |
| A | 0019363 | biological_process | pyridine nucleotide biosynthetic process |
| A | 0046872 | molecular_function | metal ion binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE ZN A 400 |
| Chain | Residue |
| A | ASP52 |
| A | HIS54 |
| A | HIS71 |
| A | HOH203 |
| A | HOH214 |
| A | HOH223 |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 5 |
| Details | a catalytic site defined by CSA, PubMed 11714269, 1381445, 10390238 |
| Chain | Residue | Details |
| A | ASP10 | |
| A | CYS133 | |
| A | CYS133 | |
| A | ALA129 | |
| A | LYS94 | |
| site_id | MCSA1 |
| Number of Residues | 9 |
| Details | M-CSA 716 |
| Chain | Residue | Details |
| A | ASP10 | proton acceptor, proton donor |
| A | ASP52 | metal ligand |
| A | HIS54 | metal ligand |
| A | SER60 | electrostatic stabiliser |
| A | HIS71 | metal ligand |
| A | LYS94 | electrostatic stabiliser |
| A | GLU101 | electrostatic stabiliser |
| A | ALA129 | electrostatic stabiliser |
| A | CYS133 | electrostatic stabiliser |
