Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0003824 | molecular_function | catalytic activity |
| A | 0008299 | biological_process | isoprenoid biosynthetic process |
| A | 0050518 | molecular_function | 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase activity |
| A | 0070567 | molecular_function | cytidylyltransferase activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE CD A 1301 |
| Chain | Residue |
| A | LYS123 |
| A | GLU138 |
| A | GLU141 |
| A | ASP169 |
| A | HOH2017 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE CD A 1302 |
| Chain | Residue |
| A | GLU121 |
| A | GLU191 |
| A | HIS271 |
| A | HOH2081 |
| site_id | AC3 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE CD A 1303 |
| Chain | Residue |
| A | GLU167 |
| A | GLU167 |
| site_id | AC4 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE NA A 1304 |
| Chain | Residue |
| A | GLU139 |
| A | HOH2015 |
| site_id | AC5 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE CU A 1305 |
| site_id | AC6 |
| Number of Residues | 14 |
| Details | BINDING SITE FOR RESIDUE 30A A 1306 |
| Chain | Residue |
| A | ARG157 |
| A | GLN158 |
| A | ILE177 |
| A | ALA203 |
| A | GLN238 |
| A | VAL259 |
| A | ASP261 |
| A | ASP262 |
| A | VAL263 |
| A | SER264 |
| A | ILE265 |
| A | VAL266 |
| A | VAL273 |
| A | HOH2093 |
Functional Information from PROSITE/UniProt
| site_id | PS01295 |
| Number of Residues | 8 |
| Details | ISPD 4-diphosphocytidyl-2C-methyl-D-erythritol synthase signature. VCIHDSAR |
| Chain | Residue | Details |
| A | VAL175-ARG182 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 2 |
| Details | SITE: Transition state stabilizer => ECO:0000250 |
| Chain | Residue | Details |
| A | ARG91 | |
| A | LYS98 | |
| site_id | SWS_FT_FI2 |
| Number of Residues | 2 |
| Details | SITE: Positions MEP for the nucleophilic attack => ECO:0000250 |
| Chain | Residue | Details |
| A | ARG228 | |
| A | LYS284 | |
