Immunodeficiency 14
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Also known as Activated Phosphoinositide 3-Kinase Delta Syndrome (APDS)IMD14immunodeficiency 14A, autosomal dominantimmunodeficiency type 14
Summary
Immunodeficiency 14 (MONDO:0014222) is a disease caused by PIK3CD (GenCC Definitive), with 4 cohort genes. The dominant Reactome pathway is CD28 dependent PI3K/Akt signaling (3 cohort genes).
At a glance
- Causal gene: PIK3CD (GenCC Definitive)
- Cohort genes: 4
- ClinVar variants: 953
- Phenotypes (HPO): 22
Clinical features
Signs & symptoms
Clinical features (HPO)
22 HPO clinical features (Orphanet curated; top 22 by frequency):
| HPO ID | Term | Frequency |
|---|---|---|
| HP:0002205 | Recurrent respiratory infections | Very frequent (80-99%) |
| HP:0001744 | Splenomegaly | Frequent (30-79%) |
| HP:0002110 | Bronchiectasis | Frequent (30-79%) |
| HP:0002240 | Hepatomegaly | Frequent (30-79%) |
| HP:0002716 | Lymphadenopathy | Frequent (30-79%) |
| HP:0002960 | Autoimmunity | Frequent (30-79%) |
| HP:0010976 | Decreased total B cell count | Frequent (30-79%) |
| HP:0011956 | Intestinal lymphoid nodular hyperplasia | Frequent (30-79%) |
| HP:0000509 | Conjunctivitis | Occasional (5-29%) |
| HP:0000620 | Dacryocystitis | Occasional (5-29%) |
| HP:0001263 | Global developmental delay | Occasional (5-29%) |
| HP:0002014 | Diarrhea | Occasional (5-29%) |
| HP:0002024 | Malabsorption | Occasional (5-29%) |
| HP:0004322 | Short stature | Occasional (5-29%) |
| HP:0005401 | Recurrent candida infections | Occasional (5-29%) |
| HP:0011110 | Recurrent tonsillitis | Occasional (5-29%) |
| HP:0020114 | Persistent human papillomavirus infection | Occasional (5-29%) |
| HP:0032163 | Molluscum contagiosum | Occasional (5-29%) |
| HP:0032204 | Chronic active Epstein-Barr virus infection | Occasional (5-29%) |
| HP:0032247 | Persistent CMV viremia | Occasional (5-29%) |
| HP:0200043 | Verrucae | Occasional (5-29%) |
| HP:0031699 | Disseminated cryptosporidium infection | Very rare (<1-4%) |
Identifiers
Disease identifiers
| Field | Value |
|---|---|
| Canonical name | immunodeficiency 14 |
| Mondo ID | MONDO:0014222 |
| OMIM | 615513 |
| Orphanet | 693661 |
| DOID | DOID:0111936 |
| UMLS | C3714976 |
| MedGen | 811535 |
| GARD | 0015979 |
| NORD | 111933 |
| Is cancer (heuristic) | no |
Also known as: Activated Phosphoinositide 3-Kinase Delta Syndrome (APDS) · IMD14 · immunodeficiency 14 · immunodeficiency 14A, autosomal dominant · immunodeficiency type 14
Data availability: 953 ClinVar variants · 54 ClinGen variant curations · 3 GenCC gene-disease records.
Disease family
Classification path: disease › human disease › disease by body system or component › immune system disorder › inborn error of immunity › B cell deficiency › agammaglobulinemia › activated PI3K-delta syndrome › immunodeficiency 14
Related subtypes (1): immunodeficiency 36 with lymphoproliferation
Genetics & variants
GWAS landscape
No GWAS associations recorded — common-variant (GWAS) studies don’t cover this disease (typical for Mendelian / rare diseases). See the curated gene cohort and Mendelian overlap below.
Variant details and genetic-evidence tiers
ClinVar germline variants
600 retrieved; paginated sample, class counts are floors:
346 likely benign, 210 uncertain significance, 22 benign, 9 pathogenic, 5 likely pathogenic, 4 conflicting classifications of pathogenicity, 4 benign/likely benign
| ClinVar | Variant (HGVS) | Gene | Classification | Review |
|---|---|---|---|---|
| 2758361 | NM_005026.5(PIK3CD):c.1306G>T (p.Glu436Ter) | LOC126805612 | Pathogenic | criteria provided, single submitter |
| 132807 | NM_005026.5(PIK3CD):c.1573G>A (p.Glu525Lys) | PIK3CD | Pathogenic | reviewed by expert panel |
| 1500652 | NM_005026.5(PIK3CD):c.171_178del (p.Leu58fs) | PIK3CD | Pathogenic | criteria provided, single submitter |
| 2077526 | NM_005026.5(PIK3CD):c.767dup (p.Cys257fs) | PIK3CD | Pathogenic | criteria provided, single submitter |
| 2699590 | NM_005026.5(PIK3CD):c.2164G>T (p.Glu722Ter) | PIK3CD | Pathogenic | criteria provided, single submitter |
| 2810787 | NM_005026.5(PIK3CD):c.1687C>T (p.Gln563Ter) | PIK3CD | Pathogenic | criteria provided, single submitter |
| 2845778 | NM_005026.5(PIK3CD):c.494_512del (p.Tyr165fs) | PIK3CD | Pathogenic | criteria provided, single submitter |
| 2849187 | NM_005026.5(PIK3CD):c.104_105del (p.Pro35fs) | PIK3CD | Pathogenic | criteria provided, single submitter |
| 2849820 | NM_005026.5(PIK3CD):c.2704C>T (p.Arg902Ter) | PIK3CD | Pathogenic | criteria provided, single submitter |
| 132806 | NM_005026.5(PIK3CD):c.1002C>A (p.Asn334Lys) | PIK3CD | Likely pathogenic | reviewed by expert panel |
| 132808 | NM_005026.5(PIK3CD):c.1246T>C (p.Cys416Arg) | PIK3CD | Likely pathogenic | reviewed by expert panel |
| 1406866 | NM_005026.5(PIK3CD):c.1570T>A (p.Tyr524Asn) | PIK3CD | Likely pathogenic | reviewed by expert panel |
| 1457684 | NM_005026.5(PIK3CD):c.1571A>C (p.Tyr524Ser) | PIK3CD | Likely pathogenic | reviewed by expert panel |
| 2733822 | NM_005026.5(PIK3CD):c.371G>A (p.Gly124Asp) | PIK3CD | Likely pathogenic | reviewed by expert panel |
| 1032967 | NM_005026.5(PIK3CD):c.1955+15C>T | PIK3CD | Conflicting classifications of pathogenicity | criteria provided, conflicting classifications |
| 1044679 | NM_005026.5(PIK3CD):c.2489G>A (p.Arg830His) | PIK3CD | Conflicting classifications of pathogenicity | criteria provided, conflicting classifications |
| 1135386 | NM_005026.5(PIK3CD):c.171G>T (p.Pro57=) | PIK3CD | Conflicting classifications of pathogenicity | criteria provided, conflicting classifications |
| 1352150 | NM_005026.5(PIK3CD):c.62T>C (p.Val21Ala) | PIK3CD | Conflicting classifications of pathogenicity | criteria provided, conflicting classifications |
| 1011802 | NM_005026.5(PIK3CD):c.1070C>T (p.Thr357Met) | LOC126805612 | Uncertain significance | criteria provided, multiple submitters, no conflicts |
| 1024241 | NM_005026.5(PIK3CD):c.1072G>C (p.Val358Leu) | LOC126805612 | Uncertain significance | criteria provided, single submitter |
| 1032966 | NM_005026.5(PIK3CD):c.1435G>A (p.Ala479Thr) | LOC126805612 | Uncertain significance | criteria provided, single submitter |
| 1407956 | NM_005026.5(PIK3CD):c.1085A>T (p.Glu362Val) | LOC126805612 | Uncertain significance | criteria provided, single submitter |
| 1409092 | NM_005026.5(PIK3CD):c.1214G>A (p.Arg405His) | LOC126805612 | Uncertain significance | reviewed by expert panel |
| 1435006 | NM_005026.5(PIK3CD):c.1353G>C (p.Glu451Asp) | LOC126805612 | Uncertain significance | criteria provided, multiple submitters, no conflicts |
| 1445160 | NM_005026.5(PIK3CD):c.1333G>A (p.Val445Ile) | LOC126805612 | Uncertain significance | criteria provided, single submitter |
| 1495102 | NM_005026.5(PIK3CD):c.1057A>G (p.Met353Val) | LOC126805612 | Uncertain significance | criteria provided, single submitter |
| 1499033 | NM_005026.5(PIK3CD):c.1439C>T (p.Pro480Leu) | LOC126805612 | Uncertain significance | criteria provided, single submitter |
| 1996640 | NM_005026.5(PIK3CD):c.1442A>C (p.His481Pro) | LOC126805612 | Uncertain significance | criteria provided, single submitter |
| 1998252 | NM_005026.5(PIK3CD):c.1344G>C (p.Glu448Asp) | LOC126805612 | Uncertain significance | criteria provided, single submitter |
| 2052886 | NM_005026.5(PIK3CD):c.1165C>T (p.Arg389Cys) | LOC126805612 | Uncertain significance | criteria provided, single submitter |
Genes & proteins
Mendelian disease overlap and somatic drivers
GenCC: 7 · Orphanet: 10 · OMIM-shared: 0 · Dual-evidence (GWAS+Mendelian): 0
GenCC gene–disease validity (cohort genes)
the Disease column is the GenCC-asserted condition — a cohort gene’s strongest validity may be for a related predisposition syndrome.
| Gene | Classification | Inheritance | Disease | Records |
|---|---|---|---|---|
| PIK3CD | Definitive | Autosomal dominant | immunodeficiency 14 | 7 |
Orphanet rare-disease linkage (cohort genes)
| Gene | Orphanet ID | Rare disease |
|---|---|---|
| PIK3CD | Orphanet:221139 | Combined immunodeficiency with facio-oculo-skeletal anomalies |
| PIK3CD | Orphanet:33110 | Autosomal non-syndromic agammaglobulinemia |
| PIK3CD | Orphanet:693661 | Activated PI3K-delta syndrome 1 |
| MTOR | Orphanet:269001 | Isolated focal cortical dysplasia type IIa |
| MTOR | Orphanet:269008 | Isolated focal cortical dysplasia type IIb |
| MTOR | Orphanet:457485 | Macrocephaly-intellectual disability-neurodevelopmental disorder-small thorax syndrome |
| MTOR | Orphanet:99802 | Hemimegalencephaly |
| PIK3R1 | Orphanet:3163 | SHORT syndrome |
| PIK3R1 | Orphanet:33110 | Autosomal non-syndromic agammaglobulinemia |
| PIK3R1 | Orphanet:693681 | Activated PI3K-delta syndrome 2 |
Cohort genes → proteins
4 cohort genes, 4 distinct canonical proteins.
Evidence partition
| Subset | Genes |
|---|---|
| multi_evidence | 4 |
Cohort genes (full)
| Symbol | HGNC | Ensembl | UniProt | Name | Evidence |
|---|---|---|---|---|---|
| PIK3CD | HGNC:8977 | ENSG00000171608 | O00329 | Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit delta isoform | gencc,clinvar |
| CORT | HGNC:2257 | ENSG00000241563 | O00230 | Cortistatin | clinvar |
| MTOR | HGNC:3942 | ENSG00000198793 | P42345 | Serine/threonine-protein kinase mTOR | clinvar |
| PIK3R1 | HGNC:8979 | ENSG00000145675 | P27986 | Phosphatidylinositol 3-kinase regulatory subunit alpha | clinvar |
Cohort function summary
Lead sentence per gene, UniProt-curated.
| Symbol | Protein name | Function (lead sentence) |
|---|---|---|
| PIK3CD | Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit delta isoform | Phosphoinositide-3-kinase (PI3K) phosphorylates phosphatidylinositol (PI) and its phosphorylated derivatives at position 3 of the inositol ring to produce 3-phosphoinositides. |
| CORT | Cortistatin | Precursor of neuropeptides that bind to all somatostatin receptor (SSTR) subtypes. |
| MTOR | Serine/threonine-protein kinase mTOR | Serine/threonine protein kinase which is a central regulator of cellular metabolism, growth and survival in response to hormones, growth factors, nutrients, energy and stress signals. |
| PIK3R1 | Phosphatidylinositol 3-kinase regulatory subunit alpha | Binds to activated (phosphorylated) protein-Tyr kinases, through its SH2 domain, and acts as an adapter, mediating the association of the p110 catalytic unit to the plasma membrane. |
Protein-family classification
Druggable: 3 · Difficult: 0 · Unknown: 1 · Druggable fraction: 0.75
Family distribution
Cohort families vs a genome-wide background (hypergeometric, BH-FDR; fold = observed/expected). Counts kept; sorted by enrichment, so the catch-all Other/Unknown bucket no longer leads.
| Family | Genes | Fold | FDR |
|---|---|---|---|
| Kinase | 3 | 20.8× | 4e-04 |
| Other/Unknown | 1 | 0.5× | 0.962 |
Per-gene assignment
| Symbol | Family | Druggable? | EC | InterPro (top 3) |
|---|---|---|---|---|
| PIK3CD | Kinase | yes | 2.7.1.137 | PI3K_Ras-bd_dom, PI3/4_kinase_cat_dom, PI3K_accessory_dom |
| CORT | Other/Unknown | no | Somatostatin, Somatostatin/Cortistatin_C | |
| MTOR | Kinase | yes | PI3/4_kinase_cat_dom, PIK-rel_kinase_FAT, FATC_dom | |
| PIK3R1 | Kinase | yes | 2.7.1.153 | RhoGAP_dom, SH2, SH3_domain |
Expression context
Cohort genes with no expression data: 0.
4 cohort genes are a single-cell marker in ≥1 SCXA experiment.
Breadth distribution (Bgee present_calls)
| Bucket | Genes |
|---|---|
| narrow (1-5 tissues) | 0 |
| moderate (6-20) | 0 |
| broad (>20) | 4 |
| unknown | 0 |
Top tissues across cohort
| Tissue | Cohort genes |
|---|---|
| blood | 1 |
| granulocyte | 1 |
| lymph node | 1 |
| caudate nucleus | 1 |
| prefrontal cortex | 1 |
| putamen | 1 |
| cerebellar hemisphere | 1 |
| primordial germ cell in gonad | 1 |
| right hemisphere of cerebellum | 1 |
| calcaneal tendon | 1 |
| caput epididymis | 1 |
| corpus epididymis | 1 |
Per-gene tissue summary (top 30)
| Symbol | Bgee breadth | FANTOM5 breadth | SCXA | Top tissues |
|---|---|---|---|---|
| PIK3CD | 253 | ubiquitous | marker | granulocyte, blood, lymph node |
| CORT | 130 | tissue_specific | marker | putamen, caudate nucleus, prefrontal cortex |
| MTOR | 207 | ubiquitous | marker | primordial germ cell in gonad, right hemisphere of cerebellum, cerebellar hemisphere |
| PIK3R1 | 294 | ubiquitous | marker | calcaneal tendon, caput epididymis, corpus epididymis |
Protein interactions among cohort
Intra-cohort edges: 1.
Hub genes (top 10 by interactor count)
| Symbol | Interactor count |
|---|---|
| MTOR | 9,490 |
| PIK3R1 | 5,168 |
| PIK3CD | 2,059 |
| CORT | 945 |
Intra-cohort edges
| A | B | Sources |
|---|---|---|
| PIK3CD | PIK3R1 | biogrid_interaction, intact, string_interaction |
Structural data
PDB: 4 · AlphaFold-only: 0 · No structure: 0
Cohort genes with PDB structures (top 30)
| Symbol | UniProt | PDB entries |
|---|---|---|
| PIK3R1 | P27986 | 105 |
| MTOR | P42345 | 70 |
| PIK3CD | O00329 | 18 |
| CORT | O00230 | 5 |
Function
Pathway analysis
Distinct Reactome pathways touched by cohort: 118. Enrichment computed across 4 evidence-associated genes (4 with Reactome annotation).
Pathways by enrichment
Over-representation of cohort genes vs the genome-wide background (hypergeometric test, Benjamini-Hochberg FDR; fold = observed/expected over 4 annotated cohort genes). Counts and members are kept as ground-truth; sorted by enrichment.
| Pathway | Cohort genes | Fold | FDR | Sample cohort genes |
|---|---|---|---|---|
| CD28 dependent PI3K/Akt signaling | 3 | 295.3× | 7e-06 | PIK3CD, MTOR, PIK3R1 |
| Co-stimulation by ICOS | 2 | 519.1× | 2e-04 | PIK3CD, PIK3R1 |
| Erythropoietin activates Phosphoinositide-3-kinase (PI3K) | 2 | 475.8× | 2e-04 | PIK3CD, PIK3R1 |
| PIP3 activates AKT signaling | 3 | 50.1× | 4e-04 | PIK3CD, MTOR, PIK3R1 |
| Regulation of signaling by CBL | 2 | 248.3× | 5e-04 | PIK3CD, PIK3R1 |
| Interleukin receptor SHC signaling | 2 | 203.9× | 7e-04 | PIK3CD, PIK3R1 |
| Antigen activates B Cell Receptor (BCR) leading to generation of second messengers | 2 | 178.4× | 7e-04 | PIK3CD, PIK3R1 |
| Signaling by CSF1 (M-CSF) in myeloid cells | 2 | 173.0× | 7e-04 | PIK3CD, PIK3R1 |
| Interleukin-3, Interleukin-5 and GM-CSF signaling | 2 | 158.6× | 8e-04 | PIK3CD, PIK3R1 |
| RET signaling | 2 | 129.8× | 0.001 | PIK3CD, PIK3R1 |
| Synthesis of PIPs at the plasma membrane | 2 | 105.7× | 0.001 | PIK3CD, PIK3R1 |
| High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells | 2 | 80.4× | 0.002 | PIK3CD, MTOR |
| VEGFA-VEGFR2 Pathway | 2 | 69.6× | 0.003 | MTOR, PIK3R1 |
| Constitutive Signaling by Aberrant PI3K in Cancer | 2 | 63.4× | 0.003 | PIK3CD, PIK3R1 |
| PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling | 2 | 48.4× | 0.005 | PIK3CD, PIK3R1 |
| MET activates PI3K/AKT signaling | 1 | 475.8× | 0.015 | PIK3R1 |
| Activated NTRK3 signals through PI3K | 1 | 475.8× | 0.015 | PIK3R1 |
| Activated NTRK2 signals through PI3K | 1 | 407.9× | 0.015 | PIK3R1 |
| Signaling by LTK in cancer | 1 | 407.9× | 0.015 | PIK3R1 |
| PI3K/AKT activation | 1 | 317.2× | 0.019 | PIK3R1 |
| IRS-mediated signalling | 1 | 259.6× | 0.020 | PIK3R1 |
| PI3K events in ERBB4 signaling | 1 | 259.6× | 0.020 | PIK3R1 |
| GP1b-IX-V activation signalling | 1 | 237.9× | 0.020 | PIK3R1 |
| Signaling by FGFR4 in disease | 1 | 237.9× | 0.020 | PIK3R1 |
| Signaling by PDGFRA transmembrane, juxtamembrane and kinase domain mutants | 1 | 219.6× | 0.020 | PIK3R1 |
| Signaling by PDGFRA extracellular domain mutants | 1 | 219.6× | 0.020 | PIK3R1 |
| Signaling by LTK | 1 | 219.6× | 0.020 | PIK3R1 |
| Signaling by FLT3 ITD and TKD mutants | 1 | 190.3× | 0.020 | PIK3R1 |
| Constitutive Signaling by EGFRvIII | 1 | 178.4× | 0.020 | PIK3R1 |
| Dengue virus modulates apoptosis | 1 | 178.4× | 0.020 | MTOR |
GO biological processes by enrichment
Over-representation of cohort genes vs the genome-wide background (hypergeometric test, Benjamini-Hochberg FDR; fold = observed/expected over 4 annotated cohort genes). Counts and members are kept as ground-truth; sorted by enrichment.
| GO term | Cohort genes | Fold | FDR | Sample cohort genes |
|---|---|---|---|---|
| positive regulation of lamellipodium assembly | 2 | 300.9× | 0.002 | MTOR, PIK3R1 |
| T cell differentiation | 2 | 191.5× | 0.002 | PIK3CD, PIK3R1 |
| T cell costimulation | 2 | 187.2× | 0.002 | PIK3CD, MTOR |
| B cell differentiation | 2 | 109.4× | 0.004 | PIK3CD, PIK3R1 |
| phosphatidylinositol 3-kinase/protein kinase B signal transduction | 2 | 105.3× | 0.004 | PIK3CD, PIK3R1 |
| cellular response to insulin stimulus | 2 | 85.1× | 0.005 | MTOR, PIK3R1 |
| positive regulation of SCF-dependent proteasomal ubiquitin-dependent catabolic process | 1 | 4213.0× | 0.005 | MTOR |
| natural killer cell chemotaxis | 1 | 2106.5× | 0.007 | PIK3CD |
| regulation of locomotor rhythm | 1 | 2106.5× | 0.007 | MTOR |
| positive regulation of cytoplasmic translational initiation | 1 | 2106.5× | 0.007 | MTOR |
| regulation of toll-like receptor 4 signaling pathway | 1 | 1404.3× | 0.007 | PIK3R1 |
| positive regulation of endoplasmic reticulum unfolded protein response | 1 | 1404.3× | 0.007 | PIK3R1 |
| T-helper 1 cell lineage commitment | 1 | 1053.2× | 0.007 | MTOR |
| mast cell chemotaxis | 1 | 1053.2× | 0.007 | PIK3CD |
| respiratory burst involved in defense response | 1 | 1053.2× | 0.007 | PIK3CD |
| mast cell differentiation | 1 | 1053.2× | 0.007 | PIK3CD |
| myeloid leukocyte migration | 1 | 1053.2× | 0.007 | PIK3R1 |
| negative regulation of lysosome organization | 1 | 1053.2× | 0.007 | MTOR |
| positive regulation of pentose-phosphate shunt | 1 | 1053.2× | 0.007 | MTOR |
| positive regulation of neutrophil apoptotic process | 1 | 842.6× | 0.007 | PIK3CD |
| cellular response to methionine | 1 | 842.6× | 0.007 | MTOR |
| positive regulation of wound healing, spreading of epidermal cells | 1 | 842.6× | 0.007 | MTOR |
| ‘de novo’ pyrimidine nucleobase biosynthetic process | 1 | 702.2× | 0.007 | MTOR |
| interleukin-18-mediated signaling pathway | 1 | 702.2× | 0.007 | PIK3R1 |
| B cell chemotaxis | 1 | 702.2× | 0.007 | PIK3CD |
| voluntary musculoskeletal movement | 1 | 702.2× | 0.007 | MTOR |
| neutrophil extravasation | 1 | 702.2× | 0.007 | PIK3CD |
| positive regulation of epithelial tube formation | 1 | 702.2× | 0.007 | PIK3CD |
| regulation of lysosome organization | 1 | 702.2× | 0.007 | MTOR |
| protein stabilization | 2 | 33.4× | 0.007 | MTOR, PIK3R1 |
Therapeutics
Drug target analysis
Approved (phase 4): 3 · Phase ≥3: 3 · Phased (≥1): 3 · Undrugged: 1
Druggability breadth: 3 of 4 evidence-associated genes (75%) have a ChEMBL target (buckets above are over the deeply-mined display cohort).
Genes with an approved drug
The molecule shown is one approved compound that hits the gene — not necessarily a drug of choice or one indicated for this disease.
| Symbol | Example approved molecule |
|---|---|
| PIK3CD | IDELALISIB |
| MTOR | SALMETEROL XINAFOATE |
| PIK3R1 | IDELALISIB |
Top cohort targets by molecule count
| Symbol | Molecules | Max phase |
|---|---|---|
| MTOR | 164 | 4 |
| PIK3CD | 66 | 4 |
| PIK3R1 | 26 | 4 |
| CORT | 0 | 0 |
Drugs targeting cohort genes (top 30)
| Molecule | Max phase | Targets in cohort |
|---|---|---|
| IDELALISIB | 4 | PIK3CD, PIK3R1 |
| ALPELISIB | 4 | MTOR, PIK3CD, PIK3R1 |
| DUVELISIB | 4 | PIK3CD, PIK3R1 |
| COPANLISIB | 4 | MTOR, PIK3CD, PIK3R1 |
| UMBRALISIB | 4 | PIK3CD, PIK3R1 |
| CAFFEINE | 4 | PIK3CD |
| THEOPHYLLINE | 4 | PIK3CD |
| COPANLISIB HYDROCHLORIDE | 4 | PIK3CD |
| LENIOLISIB | 4 | PIK3CD |
| INAVOLISIB | 4 | PIK3CD |
| SUNITINIB | 4 | PIK3CD |
| DASATINIB | 4 | MTOR, PIK3CD |
| SALMETEROL XINAFOATE | 4 | MTOR |
| IMIPRAMINE | 4 | MTOR |
| AMOXAPINE | 4 | MTOR |
| IDARUBICIN | 4 | MTOR |
| TETRABENAZINE | 4 | MTOR |
| TEMSIROLIMUS | 4 | MTOR |
| MIFEPRISTONE | 4 | MTOR |
| ZIPRASIDONE HYDROCHLORIDE | 4 | MTOR |
| PIMOZIDE | 4 | MTOR |
| NAFTOPIDIL | 4 | MTOR |
| NICLOSAMIDE | 4 | MTOR |
| FELODIPINE | 4 | MTOR |
| NICARDIPINE | 4 | MTOR |
| AZACITIDINE | 4 | MTOR |
| TRIFLUPERIDOL | 4 | MTOR |
| CYCLOSPORINE | 4 | MTOR |
| CLEMASTINE | 4 | MTOR |
| TERFENADINE | 4 | MTOR |
Bioactivity and enzyme data
Enzyme cohort genes (≥1 EC): 2.
Cohort genes with ChEMBL bioactivity (full, sorted by assay count)
| Symbol | Assays | Type breakdown |
|---|---|---|
| MTOR | 1,375 | Binding:1335, Functional:37, ADMET:2, Toxicity:1 |
| PIK3CD | 1,111 | Binding:1094, ADMET:8, Functional:8, Toxicity:1 |
| PIK3R1 | 493 | Binding:470, ADMET:23 |
Cohort enzymes (BRENDA EC)
| Symbol | EC numbers | Names |
|---|---|---|
| PIK3CD | 2.7.1.137, 2.7.1.153, 2.7.11.1 | phosphatidylinositol 3-kinase, phosphatidylinositol-4,5-bisphosphate 3-kinase, non-specific serine/threonine protein kinase |
| PIK3R1 | 2.7.1.153 | phosphatidylinositol-4,5-bisphosphate 3-kinase |
Cohort genes with high screening signal
≥100 ChEMBL assays — a studied-ness signal; see Therapeutics for approved-drug status.
| Symbol | ChEMBL assays |
|---|---|
| PIK3CD | 1,111 |
| MTOR | 1,375 |
| PIK3R1 | 493 |
Pharmacogenomics
Cohort genes with a PharmGKB record: 4; with CPIC/DPWG dosing guidelines: 0.
No cohort gene has a CPIC/DPWG genotype-guided dosing guideline (PharmGKB).
Chemical tractability of cohort targets
30 approved/phased compounds have measured bioactivity against a cohort gene (and aren’t yet in disease-level trials). This is a research / tractability signal, NOT a therapeutic recommendation — a bioactivity row often reflects off-target or screening binding (e.g. promiscuous kinase inhibitors against a cohort kinase), implying no disease mechanism.
| Compound | Max phase | Cohort target (bioactivity) |
|---|---|---|
| IDELALISIB | 4 | PIK3CD, PIK3R1 |
| ALPELISIB | 4 | MTOR, PIK3CD, PIK3R1 |
| DUVELISIB | 4 | PIK3CD, PIK3R1 |
| COPANLISIB | 4 | MTOR, PIK3CD, PIK3R1 |
| UMBRALISIB | 4 | PIK3CD, PIK3R1 |
| CAFFEINE | 4 | PIK3CD |
| THEOPHYLLINE | 4 | PIK3CD |
| COPANLISIB HYDROCHLORIDE | 4 | PIK3CD |
| LENIOLISIB | 4 | PIK3CD |
| INAVOLISIB | 4 | PIK3CD |
| SUNITINIB | 4 | PIK3CD |
| DASATINIB | 4 | MTOR, PIK3CD |
| SALMETEROL XINAFOATE | 4 | MTOR |
| IMIPRAMINE | 4 | MTOR |
| AMOXAPINE | 4 | MTOR |
| IDARUBICIN | 4 | MTOR |
| TETRABENAZINE | 4 | MTOR |
| TEMSIROLIMUS | 4 | MTOR |
| MIFEPRISTONE | 4 | MTOR |
| ZIPRASIDONE HYDROCHLORIDE | 4 | MTOR |
| PIMOZIDE | 4 | MTOR |
| NAFTOPIDIL | 4 | MTOR |
| NICLOSAMIDE | 4 | MTOR |
| FELODIPINE | 4 | MTOR |
| NICARDIPINE | 4 | MTOR |
| AZACITIDINE | 4 | MTOR |
| TRIFLUPERIDOL | 4 | MTOR |
| CYCLOSPORINE | 4 | MTOR |
| CLEMASTINE | 4 | MTOR |
| TERFENADINE | 4 | MTOR |
Druggability pyramid
Cohort genes binned by druggability tier (high → low):
| Tier | Definition | Genes | Symbols |
|---|---|---|---|
| A | Approved (phase 4 drug) | 3 | PIK3CD, MTOR, PIK3R1 |
| B | Phased (≥1) drug, not yet approved | 0 | |
| C | Druggable family + PDB, no drug | 0 | |
| D | Druggable family + AlphaFold only, no drug | 0 | |
| E | Difficult family or no structure, no drug | 1 | CORT |
Undrugged target profiles
1 cohort genes are undrugged. Ranked by ‘starting-point quality’ (assay depth + drugged-partner adjacency).
| Symbol | ChEMBL assays | Drugged partners (top 3) |
|---|---|---|
| CORT | 0 | — |
Clinical trials & evidence
Clinical trials
Clinical trials: 0.