Functional Information from GO Data
| Chain | GOid | namespace | contents | 
| A | 0004748 | molecular_function | ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor | 
| A | 0005971 | cellular_component | ribonucleoside-diphosphate reductase complex | 
| A | 0009263 | biological_process | deoxyribonucleotide biosynthetic process | 
| A | 0016491 | molecular_function | oxidoreductase activity | 
| A | 0046872 | molecular_function | metal ion binding | 
| B | 0004748 | molecular_function | ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor | 
| B | 0005971 | cellular_component | ribonucleoside-diphosphate reductase complex | 
| B | 0009263 | biological_process | deoxyribonucleotide biosynthetic process | 
| B | 0016491 | molecular_function | oxidoreductase activity | 
| B | 0046872 | molecular_function | metal ion binding | 
Functional Information from PDB Data
| site_id | AC1 | 
| Number of Residues | 4 | 
| Details | BINDING SITE FOR RESIDUE MN A 401 | 
| Chain | Residue | 
| A | GLU97 | 
| A | GLU164 | 
| A | GLU198 | 
| A | HIS201 | 
| site_id | AC2 | 
| Number of Residues | 4 | 
| Details | BINDING SITE FOR RESIDUE MN A 402 | 
| Chain | Residue | 
| A | ASP66 | 
| A | GLU97 | 
| A | HIS101 | 
| A | GLU198 | 
| site_id | AC3 | 
| Number of Residues | 4 | 
| Details | BINDING SITE FOR RESIDUE SO4 A 403 | 
| Chain | Residue | 
| A | LYS257 | 
| A | ARG261 | 
| A | HOH556 | 
| A | HIS254 | 
| site_id | AC4 | 
| Number of Residues | 5 | 
| Details | BINDING SITE FOR RESIDUE MN B 401 | 
| Chain | Residue | 
| B | GLU97 | 
| B | GLU164 | 
| B | GLU198 | 
| B | HIS201 | 
| B | HOH501 | 
| site_id | AC5 | 
| Number of Residues | 4 | 
| Details | BINDING SITE FOR RESIDUE MN B 402 | 
| Chain | Residue | 
| B | ASP66 | 
| B | GLU97 | 
| B | HIS101 | 
| B | GLU198 | 
| site_id | AC6 | 
| Number of Residues | 7 | 
| Details | BINDING SITE FOR RESIDUE SO4 B 403 | 
| Chain | Residue | 
| A | LYS143 | 
| B | GLY48 | 
| B | LYS49 | 
| B | ASN50 | 
| B | GLU51 | 
| B | HOH588 | 
| B | HOH605 | 
Functional Information from PROSITE/UniProt
| site_id | PS00368 | 
| Number of Residues | 18 | 
| Details | RIBORED_SMALL Ribonucleotide reductase small subunit signature. MEnaVHAkSYsnIfmtLA | 
| Chain | Residue | Details | 
| A | MET96-ALA113 |  | 
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 | 
| Number of Residues | 2 | 
| Details | Active site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU10014","evidenceCode":"ECO:0000255"}]} | 
| site_id | SWS_FT_FI2 | 
| Number of Residues | 4 | 
| Details | Binding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU10014","evidenceCode":"ECO:0000255"}]} | 
| site_id | SWS_FT_FI3 | 
| Number of Residues | 8 | 
| Details | Binding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]} |