3R1L
Crystal structure of the Class I ligase ribozyme-substrate preligation complex, C47U mutant, Mg2+ bound
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, D (A, D) | U1 small nuclear ribonucleoprotein A | polymer | 98 | 11340.3 | 2 | UniProt (P09012) Pfam (PF00076) | Homo sapiens (human) | U1A, U1 snRNP A, U1-A |
| 2 | B, E (B, E) | 5'-R(*UP*CP*CP*AP*GP*UP*A)-3' | polymer | 7 | 2181.4 | 2 | |||
| 3 | C, F (C, F) | Class I ligase ribozyme | polymer | 130 | 42102.9 | 2 | |||
| 4 | AA, BA, CA, DA, EA... (C, F) | MAGNESIUM ION | non-polymer | 24.3 | 46 | Chemie (MG) | |||
| 5 | AB, BB (C, F) | water | water | 18.0 | 51 | Chemie (HOH) |
Sequence modifications
A, D: 1 - 98 (UniProt: P09012)
| PDB | External Database | Details |
|---|---|---|
| His 31 | Tyr 31 | engineered mutation |
| Arg 36 | Gln 36 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 111249.2 | |
| Non-Polymers* | Number of molecules | 46 |
| Total formula weight | 1118.0 | |
| All* | Total formula weight | 112367.2 |
