8VLK
Crystal structure of the yeast cytosine deaminase containing both open and closed active sites
Functional Information from PROSITE/UniProt
| site_id | PS00903 |
| Number of Residues | 37 |
| Details | CYT_DCMP_DEAMINASES_1 Cytidine and deoxycytidylate deaminases zinc-binding region signature. HGEisTLencgrlegkvykdttlyttls............PCdm......CtgaI |
| Chain | Residue | Details |
| A | HIS62-ILE98 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 4 |
| Details | ACT_SITE: Proton donor => ECO:0000269|PubMed:12637534, ECO:0007744|PDB:1UAQ |
| Chain | Residue | Details |
| A | GLU64 | |
| B | GLU64 | |
| C | GLU64 | |
| D | GLU64 |
| site_id | SWS_FT_FI2 |
| Number of Residues | 8 |
| Details | BINDING: BINDING => ECO:0000269|PubMed:12637534, ECO:0000269|PubMed:12906827, ECO:0007744|PDB:1P6O, ECO:0007744|PDB:1UAQ |
| Chain | Residue | Details |
| A | ASN51 | |
| A | ASP155 | |
| B | ASN51 | |
| B | ASP155 | |
| C | ASN51 | |
| C | ASP155 | |
| D | ASN51 | |
| D | ASP155 |
| site_id | SWS_FT_FI3 |
| Number of Residues | 12 |
| Details | BINDING: BINDING => ECO:0000269|PubMed:12637534, ECO:0000269|PubMed:12906827, ECO:0000269|PubMed:15879217, ECO:0007744|PDB:1OX7, ECO:0007744|PDB:1P6O, ECO:0007744|PDB:1RB7, ECO:0007744|PDB:1UAQ, ECO:0007744|PDB:1YSB, ECO:0007744|PDB:1YSD |
| Chain | Residue | Details |
| A | HIS62 | |
| D | HIS62 | |
| D | CYS91 | |
| D | CYS94 | |
| A | CYS91 | |
| A | CYS94 | |
| B | HIS62 | |
| B | CYS91 | |
| B | CYS94 | |
| C | HIS62 | |
| C | CYS91 | |
| C | CYS94 |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 5 |
| Details | M-CSA 636 |
| Chain | Residue | Details |
| A | HIS62 | metal ligand |
| A | GLU64 | proton acceptor, proton donor |
| A | SER89 | electrostatic stabiliser |
| A | CYS91 | metal ligand |
| A | CYS94 | metal ligand |
| site_id | MCSA2 |
| Number of Residues | 5 |
| Details | M-CSA 636 |
| Chain | Residue | Details |
| B | HIS62 | metal ligand |
| B | GLU64 | proton acceptor, proton donor |
| B | SER89 | electrostatic stabiliser |
| B | CYS91 | metal ligand |
| B | CYS94 | metal ligand |
| site_id | MCSA3 |
| Number of Residues | 5 |
| Details | M-CSA 636 |
| Chain | Residue | Details |
| C | HIS62 | metal ligand |
| C | GLU64 | proton acceptor, proton donor |
| C | SER89 | electrostatic stabiliser |
| C | CYS91 | metal ligand |
| C | CYS94 | metal ligand |
| site_id | MCSA4 |
| Number of Residues | 5 |
| Details | M-CSA 636 |
| Chain | Residue | Details |
| D | HIS62 | metal ligand |
| D | GLU64 | proton acceptor, proton donor |
| D | SER89 | electrostatic stabiliser |
| D | CYS91 | metal ligand |
| D | CYS94 | metal ligand |
