7PXE
Ca2+ bound Drosophila Slo channel
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D | Isoform J of Calcium-activated potassium channel slowpoke | polymer | 1180 | 130919.1 | 4 | UniProt (Q03720) Pfam (PF00520) Pfam (PF03493) Pfam (PF21014) In PDB | Drosophila melanogaster (Fruit fly) | dSlo,BK channel,Maxi K channel,MaxiK |
| 2 | A, D, B, C | CALCIUM ION | non-polymer | 40.1 | 8 | Chemie (CA) | |||
| 3 | C, A, D, B | MAGNESIUM ION | non-polymer | 24.3 | 4 | Chemie (MG) | |||
| 4 | C, A, D, B | (4S,7R)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE | non-polymer | 763.1 | 16 | Chemie (6PL) | |||
| 5 | C, A, D, B | CHOLESTEROL | non-polymer | 386.7 | 4 | Chemie (CLR) | |||
| 6 | A | POTASSIUM ION | non-polymer | 39.1 | 4 | Chemie (K) | |||
| 7 | water | water | 18.0 | 136 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 1180 (UniProt: Q03720)
| PDB | External Database | Details |
|---|---|---|
| Asp 281 | Asn 281 | conflict |
| Ile 328 | Met 328 | conflict |
| Cys 332 | Ser 332 | conflict |
| Asp 338 | Glu 338 | conflict |
| Ile 340 | Val 340 | conflict |
| Thr 342 | Ser 342 | conflict |
| Arg 343 | Gly 343 | conflict |
| Ala 344 | Asn 344 | conflict |
| Thr 349 | Glu 349 | conflict |
| Asn 352 | Arg 352 | conflict |
| Lys 354 | His 354 | conflict |
| Arg 356 | Lys 356 | conflict |
| Gly 974 | Ser 974 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 523676.4 | |
| Non-Polymers* | Number of molecules | 36 |
| Total formula weight | 14330.5 | |
| All* | Total formula weight | 538006.8 |
