Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0000287 | molecular_function | magnesium ion binding |
| A | 0003824 | molecular_function | catalytic activity |
| A | 0003935 | molecular_function | GTP cyclohydrolase II activity |
| A | 0005515 | molecular_function | protein binding |
| A | 0005525 | molecular_function | GTP binding |
| A | 0005829 | cellular_component | cytosol |
| A | 0008270 | molecular_function | zinc ion binding |
| A | 0009231 | biological_process | riboflavin biosynthetic process |
| A | 0016787 | molecular_function | hydrolase activity |
| A | 0042803 | molecular_function | protein homodimerization activity |
| A | 0046872 | molecular_function | metal ion binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE ZN A1174 |
| Chain | Residue |
| A | CYS54 |
| A | CYS65 |
| A | CYS67 |
| A | HOH2191 |
| site_id | AC2 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE SO4 A1175 |
| Chain | Residue |
| A | HOH2192 |
| A | HOH2193 |
| A | HOH2194 |
| A | ARG94 |
| A | TYR105 |
| A | GLN108 |
| A | HOH2137 |
| A | HOH2191 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 A1176 |
| Chain | Residue |
| A | ARG128 |
| A | LYS154 |
| A | TAU1179 |
| A | HOH2081 |
| A | HOH2195 |
| site_id | AC4 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 A1177 |
| Chain | Residue |
| A | PRO152 |
| A | ARG168 |
| A | HOH2198 |
| site_id | AC5 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE TAU A1179 |
| Chain | Residue |
| A | ARG49 |
| A | GLN70 |
| A | THR149 |
| A | ASN150 |
| A | LYS154 |
| A | SO41176 |
| A | HOH2079 |
| A | HOH2203 |
| site_id | AC6 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE GOL A1178 |
| Chain | Residue |
| A | GLY57 |
| A | ASP58 |
| A | ALA59 |
| A | LEU60 |
| A | PHE61 |
| A | HOH2090 |
| A | HOH2105 |
| A | HOH2199 |
| A | HOH2200 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | ACT_SITE: Proton acceptor => ECO:0000255 |
| Chain | Residue | Details |
| A | ASP126 | |
| site_id | SWS_FT_FI2 |
| Number of Residues | 1 |
| Details | ACT_SITE: Nucleophile |
| Chain | Residue | Details |
| A | ARG128 | |
| site_id | SWS_FT_FI3 |
| Number of Residues | 9 |
| Details | BINDING: |
| Chain | Residue | Details |
| A | ARG49 | |
| A | CYS54 | |
| A | CYS65 | |
| A | CYS67 | |
| A | GLN70 | |
| A | GLU92 | |
| A | THR114 | |
| A | THR149 | |
| A | LYS154 | |
