5SWT
Crystal Structure of PI3Kalpha in complex with fragments 17 and 27
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords | 
| 1 | A (A)  | Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform | polymer | 1096 | 127982.5 | 1 | UniProt (P42336) Pfam (PF02192) Pfam (PF00794) Pfam (PF00792) Pfam (PF00613) Pfam (PF00454)  | Homo sapiens (Human) | PtdIns-3-kinase subunit alpha,Phosphatidylinositol 4,5-bisphosphate 3-kinase 110 kDa catalytic subunit alpha,p110alpha,Phosphoinositide-3-kinase catalytic alpha polypeptide,Serine/threonine protein kinase PIK3CA | 
| 2 | B (B)  | Phosphatidylinositol 3-kinase regulatory subunit alpha | polymer | 279 | 33667.0 | 1 | UniProt (P27986) Pfam (PF00017) Pfam (PF16454)  | Homo sapiens (Human) | PtdIns-3-kinase regulatory subunit alpha,Phosphatidylinositol 3-kinase 85 kDa regulatory subunit alpha,PtdIns-3-kinase regulatory subunit p85-alpha | 
| 3 | C (A)  | pyridin-3-ol | non-polymer | 95.1 | 1 | Chemie (71A) | |||
| 4 | D (A)  | 3-fluoro-4-methoxyaniline | non-polymer | 141.1 | 1 | Chemie (71B) | 
Sequence modifications
A: 1 - 1068 (UniProt: P42336)
| PDB | External Database | Details | 
|---|---|---|
| Met -27 | - | initiating methionine | 
| Ser -26 | - | expression tag | 
| Tyr -25 | - | expression tag | 
| Tyr -24 | - | expression tag | 
| His -23 | - | expression tag | 
| His -22 | - | expression tag | 
| His -21 | - | expression tag | 
| His -20 | - | expression tag | 
| His -19 | - | expression tag | 
| His -18 | - | expression tag | 
| Asp -17 | - | expression tag | 
| Tyr -16 | - | expression tag | 
| Asp -15 | - | expression tag | 
| Ile -14 | - | expression tag | 
| Pro -13 | - | expression tag | 
| Thr -12 | - | expression tag | 
| Thr -11 | - | expression tag | 
| Glu -10 | - | expression tag | 
| Asn -9 | - | expression tag | 
| Leu -8 | - | expression tag | 
| Tyr -7 | - | expression tag | 
| Phe -6 | - | expression tag | 
| Gln -5 | - | expression tag | 
| Gly -4 | - | expression tag | 
| Ala -3 | - | expression tag | 
| Met -2 | - | expression tag | 
| Gly -1 | - | expression tag | 
| Ser 0 | - | expression tag | 
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 | 
| Total formula weight | 161649.5 | |
| Non-Polymers* | Number of molecules | 2 | 
| Total formula weight | 236.2 | |
| All* | Total formula weight | 161885.7 | 






