4PKD
U1-70k in complex with U1 snRNA stem-loops 1 and U1-A RRM in complex with stem-loop 2
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (V) | U1 snRNA stem-loops 1 and 2 (55-MER) | polymer | 55 | 17786.4 | 1 | Homo sapiens | ||
| 2 | B (B) | U1 small nuclear ribonucleoprotein A,U1 small nuclear ribonucleoprotein 70 kDa | polymer | 279 | 32183.6 | 1 | UniProt (Q06AA4) UniProt (P08621) Pfam (PF00076) Pfam (PF12220) | Sus scrofa (Pig) | U1A,snRNP70 |
| 3 | C, D, E (V, B) | MAGNESIUM ION | non-polymer | 24.3 | 3 | Chemie (MG) | |||
| 4 | F (B) | IMIDAZOLE | non-polymer | 69.1 | 1 | Chemie (IMD) | |||
| 5 | G, H (V, B) | water | water | 18.0 | 113 | Chemie (HOH) |
Sequence modifications
B: 2 - 111 (UniProt: Q06AA4)
B: 125 - 280 (UniProt: P08621)
| PDB | External Database | Details |
|---|---|---|
| Gly 2 | Ala 2 | engineered mutation |
| Gly 112 | - | linker |
| Ser 113 | - | linker |
| Gly 114 | - | linker |
| Ser 115 | - | linker |
| Gly 116 | - | linker |
| Ser 117 | - | linker |
| Gly 118 | - | linker |
| Ser 119 | - | linker |
| Gly 120 | - | linker |
| Ser 121 | - | linker |
| Gly 122 | - | linker |
| Ser 123 | - | linker |
| Gly 124 | - | linker |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 49970.0 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 142.0 | |
| All* | Total formula weight | 50112.0 |
