PI4KA - phosphatidylinositol 4-kinase alpha Gene

Also Known as SPG84; GIDID2; PIK4CA; PMGYCHA; pi4K230; PI4K-ALPHA

Species: Homo sapiens

Gene Type: protein coding
Gene ID: 5297

About PI4KA

Cytogenetic location: 22q11.21 Genomic coordinates (GRCh38): 22:20,707,691-20,858,811 (from NCBI)

This gene has 18 transcripts (splice variants), 209 orthologues, 9 paralogues and is associated with 6 phenotypes. Ubiquitous expression in brain (RPKM 52.3), testis (RPKM 23.0) and 24 other tissues.

Summary

This gene encodes a phosphatidylinositol (PI) 4-kinase which catalyzes the first committed step in the biosynthesis of phosphatidylinositol 4,5-bisphosphate. The mammalian PI 4-kinases have been classified into two types, II and III, based on their molecular mass, and modulation by detergent and adenosine. The protein encoded by this gene is a type III enzyme that is not inhibited by adenosine. Alternative splicing results in multiple transcript variants encoding distinct isoforms. [provided by RefSeq, Apr 2018]

PI4KA Products (10)

mRNA Protein Name
NM_001362863.2 NP_001349792.1 phosphatidylinositol 4-kinase alpha isoform 3
XM_047441409.1 XP_047297365.1 phosphatidylinositol 4-kinase alpha isoform X4
XM_011530228.3 XP_011528530.1 phosphatidylinositol 4-kinase alpha isoform X5
XM_005261635.2 XP_005261692.1 phosphatidylinositol 4-kinase alpha isoform X2
NM_001362862.2 NP_001349791.1 phosphatidylinositol 4-kinase alpha isoform 2
XM_011530226.2 XP_011528528.1 phosphatidylinositol 4-kinase alpha isoform X3
NM_058004.4 NP_477352.3 phosphatidylinositol 4-kinase alpha isoform 1
NM_002650.2
XM_047441408.1 XP_047297364.1 phosphatidylinositol 4-kinase alpha isoform X1
XM_047441410.1 XP_047297366.1 phosphatidylinositol 4-kinase alpha isoform X6
Molecular Function GO Annotation Evidence Références Source
enables kinase activity IDA
IDA: Inferred from direct assay
25327288 GOA
enables protein binding IPI
IPI: Inferred from physical interaction
14676841 GOA
Biological Process GO Annotation Evidence Références Source
involved in modulation by host of viral process IMP
IMP: Inferred from mutant phenotype
19376974 GOA
acts upstream of or within phosphorylation IDA
IDA: Inferred from direct assay
25327288 GOA
involved in reorganization of cellular membranes to establish viral sites of replication IMP
IMP: Inferred from mutant phenotype
19376974 GOA
Cellular Component GO Annotation Evidence Références Source
located in cytoplasm IDA
IDA: Inferred from direct assay
23229899 GOA
located in plasma membrane IDA
IDA: Inferred from direct assay
23229899 GOA
EXP: Inferred from Experiment IDA: Inferred from direct assay IPI: Inferred from physical interaction IMP: Inferred from mutant phenotype IGI: Inferred from genetic interaction IEP: Inferred from expression pattern

PI4KA Protein Structure

PI3Ka

PI3Ka: Phosphoinositide 3-kinase family, accessory domain (PIK domain) (1586 - 1725)

PI3_PI4_kinase

PI3_PI4_kinase: Phosphatidylinositol 3- and 4-kinase (1846 - 2050)

  • 0
  • 400
  • 800
  • 1200
  • 1600
  • 2000
  • 2102 a.a.
Protein Preferred Names Protein Names

phosphatidylinositol 4-kinase alpha

  • PI4-kinase alpha

  • phosphatidylinositol 4-kinase 230

  • phosphatidylinositol 4-kinase III alpha

  • phosphatidylinositol 4-kinase IIII+/-

  • phosphatidylinositol 4-kinase, catalytic, alpha

  • phosphatidylinositol 4-kinase, type III, alpha

  • ptdIns-4-kinase alpha

  • testicular secretory protein Li 35

PI4KA Protein-protein interaction Information

Type
Protein Name Protein ID Interactor Interactor Species Interactor ID Detection Method Références
Cross
PI4KA P42356 Q99IB8-PRO_0000045602 Hepatitis C virus Q99IB8-PRO_0000045602 23675303
Cross
PI4KA P42356 Q99IB8-PRO_0000045602 Hepatitis C virus Q99IB8-PRO_0000045602 23675303
Cross
PI4KA P42356 P27958-PRO_0000037576 Hepatitis C virus P27958-PRO_0000037576 21297162
Cross
PI4KA P42356 P27958-PRO_0000037576 Hepatitis C virus P27958-PRO_0000037576 21297162
Cross
PI4KA P42356 P27958-PRO_0000037576 Hepatitis C virus P27958-PRO_0000037576
Y2H
15607035
Cross
PI4KA P42356 P27958-PRO_0000037576 Hepatitis C virus P27958-PRO_0000037576 15607035
Cross: Cross-species interaction Intra: Intraspecies interaction

Related Diseases

Diseases Alias
Polymicrogyria
  • Pmg

Hepatitis
  • Chronic Hepatitis

  • Chronic Persistent Hepatitis

  • Acute Hepatitis

  • Hepatitis, Chronic

  • Acute And Subacute Liver Necrosis

  • Acute/Subac. Necrosis Of Liver

  • Animal Hepatitis

  • Hepatitis Chronic

  • Hepatitis A

  • Hepatitis, Animal

  • Hepatitis Due To Toxoplasmosis

  • Hepatitis In Toxoplasmosis

  • Toxoplasmal Hepatitis

  • Chronic Hepatitis, Unspecified

  • Chronic Active Hepatitis Nec

  • Other Specified Chronic Hepatitis

  • Chronic Persistent Hepatitis Nec

  • Chronic Lobular Hepatitis Nec

Chromosome 22q11.2 Deletion Syndrome, Distal
  • 22q11.2 Deletion Syndrome

  • Autosomal Dominant Opitz G/Bbb Syndrome

  • Catch22

  • Cayler Cardiofacial Syndrome

  • Conotruncal Anomaly Face Syndrome

  • Digeorge Syndrome

  • Sedlackova Syndrome

  • Shprintzen Syndrome

  • Velocardiofacial Syndrome

  • Distal 22q11.2 Microdeletion Syndrome

  • 22q11.2ds

  • Vcfs

  • Velo-Cardio-Facial Syndrome

  • Distal Chromosome 22q11.2 Deletion Syndrome

  • Chromosome 22q11.2 Deletion Syndrome Distal

  • 22q11.2 Distal Deletion Syndrome

  • Chromosome 22q11.2 Deletion Syndrome

  • Deletion 22q11.2 Syndrome

  • 22q11ds

  • Catch 22

  • Digeorge Sequence

  • Microdeletion 22q11.2

  • Monosomy 22q11

  • Takao Syndrome

  • Distal Del(22)(Q11.2)

  • Distal Monosomy 22q11.2

  • Catch 22 Syndrome

  • Chromosome Deletion Syndrome 22q11.2 ,Distal

Yunis-Varon Syndrome
  • Cleidocranial Dysplasia With Micrognathia, Absent Thumbs, And Distal Aphalangia

  • Yunis Varon Syndrome

  • YVS

  • Cleidocranial Dysplasia-Micrognathia-Absent Thumbs Syndrome

  • Cleidocranial Dysplasia, Micrognathia, Absent Thumbs, & Distal Aphalangia

  • Yunis-Varón Syndrome

Hepatitis C
  • Chronic Hepatitis C

  • Hepatitis C Infection

  • Hepatitis Nona Nonb

  • Nanbh

  • Viral Hepatitis C

  • Hepatitis C Chronic

  • Hepatitis C, Chronic

  • Chronic Type C Viral Hepatitis

  • Chronic Hcv - [Hepatitis C Virus] Infection

  • Hepatitis C Nos

  • Hepatitis C Infection Nos

  • Hepatitis C-Related Cirrhosis

  • Type C Viral Hepatitis

  • Hep C Nos

Joubert Syndrome 1
  • Joubert Syndrome

  • Jbts

  • Cerebellooculorenal Syndrome 1

  • JBTS1

  • Joubert-Boltshauser Syndrome

  • Cerebelloparenchymal Disorder Iv

  • Cpd4

  • Cors1

  • Joubert Syndrome And Related Disorders

  • Jsrd

  • Familial Aplasia Of The Vermis

  • Joubert Syndrome Related Disorders

  • Js

  • Cerebellar Vermis Agenesis

  • Cerebelloparenchymal Disorder 4

  • Agenesis Of Cerebellar Vermis

  • Cerebello-Oculo-Renal Syndrome

  • Cors

  • Joubert-Bolthauser Syndrome

  • Cpd Iv

  • Classic Joubert Syndrome

  • Joubert Syndrome Type A

  • Pure Joubert Syndrome

  • Cerebello-Oculo-Renal Syndrome 1

  • Joubert Syndrome-1

  • Joubert Syndrome, Type 1

  • Joubert'S Syndrome

Velocardiofacial Syndrome
  • Shprintzen Syndrome

  • VCFS

  • Chromosome 22q11.2 Deletion Syndrome

  • Vcf Syndrome

  • Shprintzen Vcf Syndrome

  • Vcf-Velocardiofacial Syndrome

  • Velo-Cardio-Facial Syndrome

  • Digeorge Syndrome

  • 22q11 Deletion Syndrome

  • Conotruncal Anomaly Face Syndrome

Hypomyelinating Leukodystrophy
  • Hld

  • Leukodystrophy, Hypomyelinating

Mouth Disease
  • Mouth Diseases

  • Mouth Disorders

Leukodystrophy
  • Leukodystrophies

Klippel-Feil Syndrome 4
Hepatitis C Virus
  • Hepatitis C Virus, Susceptibility To

  • Hepatitis C Virus Infection, Response To Therapy Of

  • Hcv

  • Hcv, Susceptibility To

  • Hepatitis C Virus, Resistance To

  • Hepatitis C Virus, Response To Therapy Of

  • Resistance To Hepatitis C Virus

Polymicrogyria, Bilateral Perisylvian, X-Linked
  • Bilateral Perisylvian Polymicrogyria

  • Polymicrogyria, Bilateral Perisylvian

  • Pmgx

  • Perisylvian Syndrome, Congenital Bilateral

  • Cbps

  • Congenital Bilateral Perisylvian Syndrome

  • Perisylvian Syndrome

  • BPPX

  • Bpp

Heparin Cofactor Ii Deficiency
  • Thrombophilia Due To Heparin Cofactor Ii Deficiency

  • THPH10

  • Hcf Ii Deficiency

  • Hcf2 Deficiency

  • Thrombophilia 10 Due To Heparin Cofactor Ii Deficiency

  • Hcf 2 Deficiency

  • Thrombophilia Due To Heparin Cofactor 2 Deficiency

  • Thrombophilia, Due To Heparin Cofactor Ii Deficiency

Spastic Paraplegia 84, Autosomal Recessive
  • SPG84

  • Hereditary Spastic Paraplegia 84

  • Spastic Paraplegia 84 Autosomal Recessive

  • Doid:0112347

Intestinal Atresia
Neurodevelopmental Disorder With Spasticity, Hypomyelinating Leukodystrophy, And Brain Abnormalities
  • Polymicrogyria, Perisylvian, With Cerebellar Hypoplasia And Arthrogryposis

  • NEDSPLB

  • Pmgycha

Gastrointestinal Defects And Immunodeficiency Syndrome 1
  • Familial Intestinal Polyatresia Syndrome

  • Fipa

  • Gastrointestinal Defects And Immunodeficiency Syndrome

  • Multiple Gastrointestinal Atresias

  • Familial Isolated Pituitary Adenoma

  • Intestinal Atresia, Multiple

  • Multiple Intestinal Atresia

  • GIDID1

  • Multiple Intestinal Atresia And/Or Inflammatory Bowel Disease With Or Without Immunodeficiency

  • Minat

  • Gidid

  • Meddra:10028210

  • Familial Isolated Pituitary Adenoma Syndrome

  • Intestinal Atresia Multiple

  • Combined Immunodeficiency-Enteropathy Spectrum

  • Cid-Mia/Early-Onset Ibd

  • Intestinal Atresia, Multiple And/Or Inflammatory Bowel Disease With Or Without Immunodeficiency

  • Mia

  • Gastrointestinal Defect And Immunodeficiency Syndrome

  • Pituitary Adenoma Predisposition

  • Pituitary Adenoma, Familial Isolated

Lenz-Majewski Hyperostotic Dwarfism
  • Lenz-Majewski Syndrome

  • Lenz Majewski Hyperostotic Dwarfism

  • LMHD

  • Hyperostotic Dwarfism Lenz-Majewski Type

  • Lenz-Majewski Hyperostotic Dysplasia

  • Multiple Congenital Anomalies, Mental Retardation And Progressive Skeletal Sclerosis

  • Lms

Inflammatory Bowel Disease
  • Inflammatory Bowel Diseases

  • Bowel Disease, Inflammatory

Gastrointestinal Defects And Immunodeficiency Syndrome 2
  • GIDID2

  • Multiple Intestinal Atresia With Or Without Leukopenia

Diseases Alias
Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Macroglobulinemia Of Waldenstrom

Lymphoplasmacytic Lymphoma With Igm Gammopathy

Lymphoplasmacytic Lymphoma

Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Macroglobulinemia Of Waldenstrom

Lymphoplasmacytic Lymphoma With Igm Gammopathy

Lymphoplasmacytic Lymphoma

Orthologs Information

Species Symbol Source ID
Rattus norvegicus PI4KA RGD RGD:621213
Bos taurus PI4KA VGNC VGNC:56989
Felis catus PI4KA VGNC VGNC:97556
Macaca mulatta PI4KA VGNC VGNC:97116
Canis familiaris PI4KA VGNC VGNC:59063
Mus musculus PI4KA MGD MGI:2448506
Others PI4KA NCBI