9N85
Cryo-EM structure of human importin beta:Ran-GTP:RanBP1 trimeric complex
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Importin subunit beta-1 | polymer | 876 | 97323.9 | 1 | UniProt (Q14974) Pfam (PF03810) Pfam (PF00514) Pfam (PF25574) | Homo sapiens (human) | Importin-90,Karyopherin subunit beta-1,Nuclear factor p97,Pore targeting complex 97 kDa subunit,PTAC97 |
| 2 | B (B) | Ran-specific GTPase-activating protein | polymer | 144 | 16960.4 | 1 | UniProt (P43487) Pfam (PF00638) | Homo sapiens (human) | Ran-binding protein 1,RanBP1 |
| 3 | C (C) | GTP-binding nuclear protein Ran | polymer | 210 | 23810.4 | 1 | UniProt (P62826) Pfam (PF00071) | Homo sapiens (human) | Androgen receptor-associated protein 24,GTPase Ran,Ras-like protein TC4,Ras-related nuclear protein |
| 4 | D (C) | GUANOSINE-5'-TRIPHOSPHATE | non-polymer | 523.2 | 1 | Chemie (GTP) | |||
| 5 | E (C) | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) |
Sequence modifications
A: 1 - 876 (UniProt: Q14974)
B: 17 - 160 (UniProt: P43487)
C: 6 - 213 (UniProt: P62826)
| PDB | External Database | Details |
|---|---|---|
| His 97 | Gln 97 | conflict |
| Arg 863 | Thr 863 | conflict |
| PDB | External Database | Details |
|---|---|---|
| His 17 | Gln 26 | conflict |
| Gln 19 | Glu 28 | conflict |
| Ala 20 | Pro 29 | conflict |
| Val 21 | Ile 30 | conflict |
| Pro 23 | Ser 32 | conflict |
| Ala 24 | Leu 33 | conflict |
| Asp 26 | - | insertion |
| Ala 31 | Lys 39 | conflict |
| Cys 42 | Lys 50 | conflict |
| Asn 43 | Met 51 | conflict |
| PDB | External Database | Details |
|---|---|---|
| Glu 211 | Asp 211 | conflict |
| Ala 214 | - | expression tag |
| Ala 215 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 138094.7 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 547.5 | |
| All* | Total formula weight | 138642.2 |






