P27986 (P85A_HUMAN) Homo sapiens (Human)

Phosphatidylinositol 3-kinase regulatory subunit alpha UniProtKBInterProSTRINGInteractive Modelling

724 aa; Sequence (Fasta) ; (Isoform 2; Isoform 3; Isoform 4; Isoform 5); 1 identical sequence: Homo sapiens: A0A2X0SFG1

Available Structures

99 Experimental Structures

DescriptionPDB IDOligo-stateRangeLigands
Cryo-EM Structure of the KBTBD2-CUL3-Rbx1-p85a dimeric complex Heteromer
P62877; Q13618; Q8IY47;
327-720
ZN;
Assess
Cryo-EM structure of p110alpha in complex with p85alpha inhibited by BYL-719 Heteromer
P42336;
315-600
1LT;
Assess
PI 3-kinase alpha with nanobody 3-126 Heteromer
P42336;
319-598
Assess
PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket near H1047R (compound 12). Heteromer
P42336;
322-600
1LT;YQB;
Assess
Crystal structure of PI3K complex with an inhibitor Heteromer
P42336;
322-599
84X;SO4;
Assess
Crystal Structure of p110alpha complexed with niSH2 of p85alpha and PI-103 Heteromer
P42336;
322-598
X6K;SO4;GOL;
Assess
Crystal structure of PI3K complex with an inhibitor Heteromer
P42336;
322-598
84R;P6G;SO4;GOL;
Assess
Crystal Structure of p110alpha complexed with niSH2 of p85alpha Heteromer
P42336;
322-598
SO4;
Assess
Crystal Structure of p110alpha complexed with niSH2 of p85alpha and compound 9d Heteromer
P42336;
322-598
XXK;SO4;GOL;
Assess
Crystal structure of PI3K complex with an inhibitor Heteromer
P42336;
322-598
84U;GOL;SO4;
Assess
Cryo-EM structure of PI3Kalpha in complex with compound 18 Heteromer
P42336;
323-598
L2V;
Assess
Cryo-EM structure of PI3Kalpha in complex with compound 16 Heteromer
P42336;
323-598
7TZ;
Assess
Cryo-EM structure of cancer-specific PI3Kalpha mutant H1047R in complex with BYL-719 Heteromer
P42336;
323-598
1LT;
Assess
PI 3-kinase alpha with nanobody 3-142 Heteromer
P42336;
323-598
Assess
PI 3-kinase alpha with nanobody 3-142, crosslinked with DSG Heteromer
P42336;
323-598
Assess
Cryo-EM Structure of p110alpha in complex with p85alpha Heteromer
P42336;
323-598
Assess
Cryo-EM structure of PI3Kalpha in complex with compound 17 Heteromer
P42336;
323-598
7U5;
Assess
CryoEM structure of human PI3K-alpha (P85/P110-H1047R) with QR-7909 binding at an allosteric site Heteromer
P42336;
323-598
UEX;
Assess
CryoEM structure of human PI3K-alpha (P85/P110-H1047R) with QR-8557 binding at an allosteric site Heteromer
P42336;
323-598
UJ3;
Assess
Human PI3K p85alpha/p110alpha H1047R bound to compound 3 Heteromer
P42336;
326-598
UJC;
Assess
Human PI3K p85alpha/p110alpha H1047R bound to compound 2 Heteromer
P42336;
326-597
UIW;
Assess
Human PI3K p85alpha/p110alpha H1047R bound to compound 1 Heteromer
P42336;
326-597
UE9;
Assess
Crystal Structure of p110alpha in complex with niSH2 of p85alpha Heteromer
P42336;
327-598
Assess
Crystal Structure of PI3Kalpha in complex with fragments 5 and 21 Heteromer
P42336;
327-598
AX7;CAQ;
Assess
Crystal Structure of PI3Kalpha in complex with fragments 20 and 26 Heteromer
P42336;
327-598
718;CL;SAL;
Assess
Crystal Structure of PI3Kalpha in complex with fragment 10 Heteromer
P42336;
327-598
71N;
Assess
Crystal Structure of PI3Kalpha in complex with fragments 6 and 24 Heteromer
P42336;
327-598
70W;70V;CL;
Assess
Crystal Structure of PI3Kalpha in complex with fragments 17 and 27 Heteromer
P42336;
327-598
71A;71B;
Assess
Crystal Structure of PI3Kalpha in complex with diC4-PIP2 Heteromer
P42336;
327-598
PBU;PO4;
Assess
Crystal Structure of PI3Kalpha in complex with fragments 4 and 19 Heteromer
P42336;
327-598
CL;70T;2ZV;
Assess
Crystal Structure of PI3Kalpha in complex with fragment 22 Heteromer
P42336;
327-598
71F;
Assess
Human PI3K p85alpha/p110alpha Heteromer
P42336;
326-596
Assess
p85alpha/p110alpha heterodimer H1047R mutant Heteromer
P42336;
326-596
Assess
Crystal Structure of PI3Kalpha in complex with fragment 29 Heteromer
P42336;
328-598
BHO;
Assess
Crystal Structure of PI3Kalpha in complex with fragments 12 and 15 Heteromer
P42336;
328-598
71M;LUZ;
Assess
Crystal Structure of PI3Kalpha in complex with fragments 19 and 28 Heteromer
P42336;
328-598
71G;ES3;
Assess
Crystal Structure of PI3Kalpha in complex with fragment 14 Heteromer
P42336;
327-597
71L;
Assess
Crystal Structure of PI3Kalpha in complex with fragment 18 Heteromer
P42336;
328-598
71K;
Assess
Human PI3K p85alpha/p110alpha bound to RLY-2608 Heteromer
P42336;
327-596
XUZ;
Assess
Crystal structure of PI3Kalpha in complex with fragments 7 and 11 Heteromer
P42336;
328-597
EPE;70S;FB1;
Assess
Crystal Structure of PI3Kalpha in complex with fragment 13 Heteromer
P42336;
329-598
71J;
Assess
Human PI3K p85alpha/p110alpha bound to compound 2 Heteromer
P42336;
327-596
UIW;
Assess
Crystal Structure of PI3Kalpha in complex with fragment 8 Heteromer
P42336;
328-597
URF;
Assess
Crystal Structure of PI3Kalpha in complex with fragment 23 Heteromer
P42336;
329-597
SOA;
Assess
Structure of p110alpha/niSH2 - vector data collection Heteromer
P42336;
329-597
144;SO4;
Assess
Crystal Structure of a novel tetrahydropyrazolo[1,5-a]pyrazine in an engineered PI3K alpha Heteromer
P42336;
325-591
3K6;
Assess
The co-structure of (R)-4-(6-(1-(cyclopropylsulfonyl)cyclopropyl)-2-(1H-indol-4-yl)pyrimidin-4-yl)-… Heteromer
P42336;
326-592
8DV;
Assess
Crystal Structure of PI3Kalpha Heteromer
P42336;
326-591
PO4;GOL;
Assess
Co-structure of Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform and … Heteromer
P42336;
326-591
ZTV;SO4;
Assess
PI3K alpha in complex with an inhibitor Heteromer
P42336;
326-591
KVJ;
Assess
Crystal Structure of PI3Kalpha in complex with the inhibitor NVP-BYL719 Heteromer
P42336;
326-591
1LT;NA;
Assess
Crystal structure of PI3K alpha with PI3K delta inhibitor Heteromer
P42336;
327-592
6CY;
Assess
Co-crystal Structure of Lipid Kinase PI3K alpha with a selective phosphatidylinositol-3 kinase alph… Heteromer
P42336;
326-590
4Q2;
Assess
The co-structure of N,N-dimethyl-4-[(6R)-6-methyl-5-(1H-pyrrolo[2,3- b]pyridin-4-yl)-4,5,6,7-tetrah… Heteromer
P42336;
327-591
3K6;
Assess
The co-structure of 3-amino-6-(4-((1-(dimethylamino)propan-2-yl)sulfonyl)phenyl)-N-phenylpyrazine-2… Heteromer
P42336;
327-591
8DY;
Assess
Co-structure Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform complex… Heteromer
P42336;
327-591
ZUO;
Assess
Discovery of imidazo[1,2-a]-pyridine inhibitors of pan-PI3 kinases that are efficacious in a mouse … Heteromer
P42336;
329-591
GOL;5XV;
Assess
Crystal structure of human T1061E PI3Kalpha in complex with its regulatory subunit and the inhibito… Heteromer
P42336;
329-590
MWF;EDO;PGE;CL;
Assess
PI3Ka H1047R co-crystal structure with inhibitors in two cryptic pockets (compounds 4 and 5). Heteromer
P42336;
326-587
YO4;YOR;YNZ;
Assess
PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket near H1047R (compound 4). Heteromer
P42336;
326-587
YO4;YNZ;
Assess
Co-crystal Structures of the Lipid Kinase PI3K alpha with Pan and Isoform Selective Inhibitors Heteromer
P42336;
332-592
SCN;1LT;
Assess
CryoEM structure of PI3Kalpha Heteromer
P42336;
326-586
Assess
STX-478, a Mutant-Selective, Allosteric Inhibitor bound to H1047R PI3Kalpha Heteromer
P42336;
327-586
10×EDO;X3N;ZWE;
Assess
STX-478, a Mutant-Selective, Allosteric Inhibitor bound to PI3Kalpha Heteromer
P42336;
328-586
X3N;ZWE;
Assess
Crystal Structure of PI3Kalpha in complex with fragment 9 Heteromer
P42336;
340-597
HPP;
Assess
PI 3-kinase alpha with nanobody 3-159 Heteromer
P42336;
326-582
Assess
Crystal structure of p110alpha H1047R mutant in complex with niSH2 of p85alpha and the drug wortman… Heteromer
P42336;
326-579
KWT;
Assess
Crystal structure of p110alpha H1047R mutant in complex with niSH2 of p85alpha Heteromer
P42336;
327-579
Assess
PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket (compound 5). Heteromer
P42336;
337-586
YOR;YNZ;
Assess
Structure of a phosphoinositide 3-kinase alpha adaptor-binding domain (ABD) in a complex with the i… Heteromer
P32871;
431-600
Assess
CRYSTAL STRUCTURE OF PI3K DELTA IN COMPLEX WITH A TRIFLUORO-ETHYL-PYRAZOL-PYROLOTRIAZINE INHIBITOR Heteromer
O00329;
431-600
9EM;
Assess
Human PI3Kdelta in complex with Compound 2-10 ((3S)-3-benzyl-3-methyl-5-[5-(2-methylpyrimidin-5-yl)… Heteromer
O00329;
431-599
P5J;
Assess
HUMAN PI3KDELTA IN COMPLEX WITH COMPOUND 3C Heteromer
O00329;
431-599
Y5Y;EDO;SO4;
Assess
HUMAN PI3KDELTA IN COMPLEX WITH COMPOUND 28 Heteromer
O00329;
431-599
YA7;CL;
Assess
Human PI3Kdelta in complex with Compound 4-2 ((3S)-1'-(cyclopropanecarbonyl)-5-(quinoxalin-6-yl)spi… Heteromer
O00329;
432-599
P5V;
Assess
Cryo-EM Structure of the KBTBD2-CUL3-Rbx1-p85a tetrameric complex Heteromer
P62877; Q13618; Q8IY47;
433-600
12×ZN;
Assess
HUMAN PI3KDELTA IN COMPLEX WITH LASW1579 Heteromer
O00329;
436-599
7KA;
Assess
CRYSTAL STRUCTURE OF PI3K DELTA IN COMPLEX WITH A 7-(3-(PIPERAZIN-1-YL)PHENYL)PYRROLO[2,1-F][1,2,4]… Heteromer
O00329;
437-599
85S;
Assess
Structure of a human p110alpha/p85alpha complex Heteromer
P42336;
442-600
Assess
PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket near H1047R (compound 7). Heteromer
P42336;
449-600
YQ2;1LT;
Assess
Crystal structure of p110alpha in complex with iSH2 of p85alpha and the inhibitor PIK-108 Heteromer
P42337;
448-598
P08;
Assess
Crystal structure of the PI3-kinase p85 N-terminal SH2 domain in complex with c-Kit phosphotyrosyl … Heteromer
P10721;
325-439
Assess
nSH2 domain of p85-alpha subunit of phosphatidylinositol 3-kinase in complex with an actin peptide … Heteromer
P68133;
325-434
EDO;
Assess
Molecular interactions of cytoplasmic region of CTLA-4 with SH2 domains of PI3-kinase Heteromer
P16410;
614-720
Assess
PI3K p85 C-terminal SH2 domain/CD28-derived peptide complex Heteromer
P10747;
614-720
GOL;
Assess
Crystal structure of the PI3-kinase p85 N-terminal SH2 domain in complex with PDGFR phosphotyrosyl … Heteromer
P09619;
326-432
Assess
PI3K p85 N-terminal SH2 domain/CD28-derived peptide complex Heteromer
P10747;
325-430
SO4;GOL;
Assess
PHOSPHATIDYLINOSITOL 3-KINASE, P85-ALPHA SUBUNIT: C-TERMINAL SH2 DOMAIN COMPLEXED WITH A TYR751 PHO… Heteromer
P09619;
616-721
Assess
NMR STUDY OF THE SH3 DOMAIN FROM FYN PROTO-ONCOGENE TYROSINE KINASE KINASE COMPLEXED WITH THE SYNTH… Heteromer
P06241;
91-104
Assess
NMR STUDY OF THE SH3 DOMAIN FROM FYN PROTO-ONCOGENE TYROSINE KINASE COMPLEXED WITH THE SYNTHETIC PE… Heteromer
P06241;
91-104
Assess
Pi3K alpha lipid kinase with Active Site Inhibitormonomer331-615
4EL;
Assess
STRUCTURE OF BCR-HOMOLOGY (BH) DOMAINmonomer115-298
Assess
Crystal structure of the PI3-kinase p85 N-terminal SH2 domainmonomer324-433
Assess
PHOSPHATIDYLINOSITOL 3-KINASE, P85-ALPHA SUBUNIT: C-TERMINAL SH2 DOMAIN COMPLEXED WITH A TYR751 PHO…monomer616-724
Assess
PHOSPHATIDYLINOSITOL 3-KINASE P85-ALPHA SUBUNIT SH3 DOMAIN, RESIDUES 1-85monomer3-85
Assess
PI3K SH3 domain in complex with a peptide ligandmonomer2-82
Assess
Crystal structure of PI3K SH3monomer4-80
SO4;
Assess
STRUCTURE OF THE PI3K SH3 DOMAIN AND ANALYSIS OF THE SH3 FAMILYmonomer4-79
Assess
STRUCTURE OF THE PI3K SH3 DOMAIN AND ANALYSIS OF THE SH3 FAMILYmonomer4-79
Assess

3 SWISS-MODEL models

TemplateOligo-stateQMEANDisCoRangeLigandsTrg-Tpl Seq id (%)
6mrp.1.Ahomo-2-mer0.81113-298
92.38
Assess
8h36.1.Fmonomer0.74327-720
100.00
Assess
2y3a.1.Bmonomer0.60450-722
73.36
Assess

9 SWISS-MODEL models built on isoform sequence

TemplateIsoformOligo-stateQMEANDisCoRangeLigandsTrg-Tpl Seq id (%)
Isoform 28dcp.1.Bmonomer0.7049-328
99.53
Assess
Isoform 22y3a.1.Bmonomer0.61180-452
73.36
Assess
Isoform 38dcp.1.Bmonomer0.7119-298
99.76
Assess
Isoform 32y3a.1.Bmonomer0.61150-422
73.36
Assess
Isoform 46mrp.1.Ahomo-2-mer0.81113-298
92.23
Assess
Isoform 48h36.1.Fmonomer0.73327-728
99.86
Assess
Isoform 42y3a.1.Bmonomer0.58450-730
73.20
Assess
Isoform 58h36.1.Fmonomer0.771-357
100.00
Assess
Isoform 52y3a.1.Bmonomer0.6487-359
73.97
Assess