1QMH
Crystal structure of RNA 3'-terminal phosphate cyclase, an ubiquitous enzyme with unusual topology
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B | RNA 3'-TERMINAL PHOSPHATE CYCLASE | polymer | 347 | 37014.2 | 2 | UniProt (P46849) Pfam (PF01137) Pfam (PF05189) In PDB | ESCHERICHIA COLI | RNA CYCLASE, RNA-3'-PHOSPHATE CYCLASE |
2 | A, B | CITRIC ACID | non-polymer | 192.1 | 2 | Chemie (CIT) | |||
3 | B | 1-HYDROXYSULFANYL-4-MERCAPTO-BUTANE-2,3-DIOL | non-polymer | 170.3 | 1 | Chemie (DTO) | |||
4 | water | water | 18.0 | 424 | Chemie (HOH) |
Sequence modifications
A, B: 3 - 339 (UniProt: P46849)
PDB | External Database | Details |
---|---|---|
Met 1 | - | expression tag |
Val 2 | - | expression tag |
Gly 340 | - | expression tag |
Ser 341 | - | expression tag |
His 342 | - | expression tag |
His 343 | - | expression tag |
His 344 | - | expression tag |
His 345 | - | expression tag |
His 346 | - | expression tag |
His 347 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 74028.5 | |
Non-Polymers* | Number of molecules | 3 |
Total formula weight | 554.5 | |
All* | Total formula weight | 74583.0 |