2PUN
Structures of 5-methylthioribose kinase reveal substrate specificity and unusual mode of nucleotide binding
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B (A, B) | Methylthioribose kinase | polymer | 397 | 45140.0 | 2 | UniProt (O31663) Pfam (PF01636) | Bacillus subtilis | MTR kinase |
2 | C, G (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
3 | D (A) | 3-[(3-CHOLAMIDOPROPYL)DIMETHYLAMMONIO]-1-PROPANESULFONATE | non-polymer | 614.9 | 1 | Chemie (CPS) | |||
4 | E, I (A, B) | PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER | non-polymer | 505.2 | 2 | Chemie (ACP) | |||
5 | F, H (A, B) | 5-S-methyl-5-thio-alpha-D-ribofuranose | non-polymer | 180.2 | 2 | Chemie (SR1) | |||
6 | J, K (A, B) | water | water | 18.0 | 347 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 90279.9 | |
Non-Polymers* | Number of molecules | 7 |
Total formula weight | 2034.3 | |
All* | Total formula weight | 92314.3 |