inorganic pyrophosphatase 2

Summary
Gene Symbol
  • PPA2
Aliases
  • FLJ20459
Organism
Homo sapiens (human)
NCBI Gene
27068
HGNC
28883
PubChem
27068
Alliance of Genome Resources
JoGo
PPA2
TogoVar
PPA2
Annotation
Keyword
  • Acetylation
  • Alternative splicing
  • Direct protein sequencing
  • Disease variant
  • Hydrolase
  • Magnesium
  • Metal-binding
  • Mitochondrion
  • Phosphoprotein
  • Proteomics identification
  • Reference proteome
  • Transit peptide
Proteins
Displaying 1 entry
UniProt Protein Name
Q9H2U2
  • Pyrophosphatase SID6-306
  • Pyrophosphate phospho-hydrolase 2
Gene Ontology (GO)
OrthoDB (Group)
Group level
Eukaryota
Group Name
Inorganic pyrophosphatase
Functional Category
  • C: Energy production and conversion
  • E: Amino acid transport and metabolism
  • P: Inorganic ion transport and metabolism
Human Protein Atlas
ENSG00000138777

soft tissue soft tissue blood blood blood blood blood blood blood blood blood blood blood blood blood blood lymph node lymph node lymph node lymph node lymph node lymph node lymph node lymph node lymph node lymph node lymph node kidney kidney adrenal gland adrenal gland breast breast duodenum stomach small intestine colon rectum appendix esophagus eye eye salivary gland nasopharynx nasopharynx tongue tonsil tonsil tonsil hair skin adipose tissue adipose tissue adipose tissue spinal cord oral mucosa lung lung heart bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus liver pancreas thyroid gland parathyroid gland parathyroid gland parathyroid gland parathyroid gland parathyroid gland spleen gallbladder ductus deferens ductus deferens seminal vesicle seminal vesicle seminal vesicle seminal vesicle testis testis epididymis epididymis brain smooth muscle urinary bladder prostate bone marrow skeletal muscle skeletal muscle skeletal muscle skeletal muscle skeletal muscle thymus thymus cartilage sole of foot sole of foot soft tissue blood blood blood blood blood blood blood blood blood blood blood blood lymph node lymph node lymph node lymph node lymph node lymph node lymph node lymph node lymph node lymph node lymph node lactating breast lactating breast kidney kidney adrenal gland adrenal gland duodenum stomach small intestine colon rectum appendix esophagus eye eye salivary gland salivary gland salivary gland salivary gland salivary gland salivary gland nasopharynx tongue tonsil tonsil hair skin adipose tissue adipose tissue adipose tissue adipose tissue adipose tissue adipose tissue adipose tissue spinal cord oral mucosa lung lung heart bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus bronchus liver pancreas thyroid gland parathyroid gland parathyroid gland parathyroid gland parathyroid gland parathyroid gland spleen gallbladder brain skeletal muscle skeletal muscle skeletal muscle skeletal muscle skeletal muscle thymus thymus smooth muscle urinary bladder vagina ovary ovary fallopian tube fallopian tube endometrium placenta cervix cervix bone marrow cartilage sole of foot sole of foot olfactory region cerebral cortex cerebellum medulla pons midbrain pituitary gland hypothalamus amygdala thalamus choroid plexus choroid plexus corpus callosum basal ganglia substantia nigra dorsal raphe dorsal raphe dorsal raphe dorsal raphe dorsal raphe dorsal raphe caudate hippocampus retina retina

Tissue with high expression from Human Protein Atlas. Tissues that are highly expressed are highlighted.

Disease
The Human Phenotype Ontology
Displaying entries 1 - 10 of 14 in total
HPO ID HPO Term
HP:0000007 Autosomal recessive inheritance
HP:0001250 Seizure
HP:0001252 Hypotonia
HP:0001635 Congestive heart failure
HP:0001639 Hypertrophic cardiomyopathy
HP:0001645 Sudden cardiac death
HP:0001662 Bradycardia
HP:0001685 Myocardial fibrosis
HP:0001942 Metabolic acidosis
HP:0003593 Infantile onset
Displaying all 2 entries
Disease ID Disease Name
OMIM:617222
  • sudden cardiac failure, infantile
OMIM:617223
  • sudden cardiac failure, alcohol-induced

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Acknowledgements

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Last updated: April 6, 2026