1L9A
CRYSTAL STRUCTURE OF SRP19 IN COMPLEX WITH THE S DOMAIN OF SIGNAL RECOGNITION PARTICLE RNA
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (B) | signal recognition particle RNA S domain | polymer | 128 | 41566.7 | 1 | GenBank (23932) | SRP RNA, 7S RNA, 7SL RNA | |
| 2 | B (A) | SIGNAL RECOGNITION PARTICLE 19 KDA PROTEIN | polymer | 87 | 10341.3 | 1 | UniProt (Q58440) Pfam (PF01922) | Methanocaldococcus jannaschii | SRP19 |
| 3 | C, D, E, F, G... (B, A) | MAGNESIUM ION | non-polymer | 24.3 | 24 | Chemie (MG) | |||
| 4 | AA (A) | METHYL MERCURY ION | non-polymer | 215.6 | 1 | Chemie (MMC) | |||
| 5 | BA, CA (B, A) | water | water | 18.0 | 30 | Chemie (HOH) |
Sequence modifications
A: 1 - 87 (UniProt: Q58440)
B: 112 - 239 (GenBank: 23932)
| PDB | External Database | Details |
|---|---|---|
| Ala 61 | Cys 61 | engineered mutation |
| Arg 63 | Cys 63 | engineered mutation |
| Cys 74 | Gln 74 | engineered mutation |
| Ala 80 | Cys 80 | engineered mutation |
| PDB | External Database | Details |
|---|---|---|
| G 112 | C 112 | engineered mutation |
| A 113 | G 113 | engineered mutation |
| U 238 | G 238 | engineered mutation |
| Ccc 239 | G 239 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 51908.1 | |
| Non-Polymers* | Number of molecules | 25 |
| Total formula weight | 798.9 | |
| All* | Total formula weight | 52707.0 |
