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Aliases for PAFAH1B2 Gene

Aliases for PAFAH1B2 Gene

  • Platelet Activating Factor Acetylhydrolase 1b Catalytic Subunit 2 2 3 5
  • Platelet-Activating Factor Acetylhydrolase 1b, Catalytic Subunit 2 (30kDa) 2 3
  • Platelet-Activating Factor Acetylhydrolase, Isoform Ib, Subunit 2 (30kDa) 2 3
  • PAF Acetylhydrolase 30 KDa Subunit 3 4
  • PAF-AH1b Alpha 2 Subunit 2 3
  • PAF-AH 30 KDa Subunit 3 4
  • PAF-AH Subunit Beta 3 4
  • PAFAH Subunit Beta 3 4
  • EC 4 58
  • Platelet-Activating Factor Acetylhydrolase, Isoform Ib, Beta Subunit 30kDa 2
  • Intracellular Platelet-Activating Factor Acetylhydrolase Alpha 2 Subunit 3
  • Platelet-Activating Factor Acetylhydrolase IB Subunit Beta 3
  • Epididymis Secretory Protein Li 303 3
  • HEL-S-303 3
  • PAFAHB 4

External Ids for PAFAH1B2 Gene

Previous GeneCards Identifiers for PAFAH1B2 Gene

  • GC11P119367
  • GC11P118526
  • GC11P117048
  • GC11P116552
  • GC11P116521
  • GC11P112947
  • GC11P117014

Summaries for PAFAH1B2 Gene

Entrez Gene Summary for PAFAH1B2 Gene

  • Platelet-activating factor acetylhydrolase (PAFAH) inactivates platelet-activating factor (PAF) into acetate and LYSO-PAF. This gene encodes the beta subunit of PAFAH, the other subunits are alpha and gamma. Multiple alternatively spliced transcript variants have been described for this gene. [provided by RefSeq, Jan 2014]

GeneCards Summary for PAFAH1B2 Gene

PAFAH1B2 (Platelet Activating Factor Acetylhydrolase 1b Catalytic Subunit 2) is a Protein Coding gene. Among its related pathways are Golgi-to-ER retrograde transport and Metabolism. GO annotations related to this gene include protein homodimerization activity and hydrolase activity. An important paralog of this gene is PAFAH1B3.

UniProtKB/Swiss-Prot for PAFAH1B2 Gene

  • Inactivates PAF by removing the acetyl group at the sn-2 position. This is a catalytic subunit.

Gene Wiki entry for PAFAH1B2 Gene

Additional gene information for PAFAH1B2 Gene

No data available for CIViC summary , Tocris Summary , PharmGKB "VIP" Summary , fRNAdb sequence ontologies and piRNA Summary for PAFAH1B2 Gene

Genomics for PAFAH1B2 Gene

Regulatory Elements for PAFAH1B2 Gene

Enhancers for PAFAH1B2 Gene
GeneHancer Identifier Enhancer Score Enhancer Sources Gene-Enhancer Score TSS distance (kb) Number of Genes Away Size (kb) Transcription Factor Binding Sites within enhancer Gene Targets for Enhancer
GH11H117177 1.6 FANTOM5 ENCODE dbSUPER 17.5 +37.1 37093 7.4 HDGF PKNOX1 ARNT ARID4B SIN3A FEZF1 DMAP1 YY1 ZNF143 SP3 LOC653303 PAFAH1B2 APOA1 ENSG00000254678 APOA5 ZPR1 SIDT2 PIR62498
GH11H117171 1.4 Ensembl ENCODE dbSUPER 16.1 +28.2 28228 2.6 HDAC1 PKNOX1 ATF1 TBL1XR1 TCF12 ZNF121 GATA2 EGR1 ATF7 CREM LOC653303 PAFAH1B2 APOA1 ENSG00000254678 PCSK7 RNF214 ZPR1 APOA5 SIDT2
GH11H116807 1.5 FANTOM5 Ensembl ENCODE 9.9 -335.6 -335626 1.9 PKNOX1 FOXA2 ATF1 MLX DMAP1 YY1 SP5 MIER2 PPARG KAT8 APOA1 LOC653303 BUD13 ENSG00000226645 SIK3 ENSG00000224077 ENSG00000254678 PAFAH1B2 PCSK7 RNF214
GH11H117185 1.2 Ensembl ENCODE dbSUPER 11.1 +43.7 43674 5.6 KLF1 MAX EBF1 EED ZNF143 ATF7 RUNX3 IKZF2 SMARCA5 ZNF687 LOC653303 APOA1 PCSK7 RNF214 ENSG00000254678 PAFAH1B2 BUD13 ENSG00000226645 SIDT2 PIR62498
GH11H117143 1.5 FANTOM5 ENCODE 7.7 +1.0 993 3.6 HDGF PKNOX1 MLX ZFP64 ARID4B SIN3A DMAP1 ZNF2 YY1 ZNF143 LOC653303 SIK3 ENSG00000224077 RNF214 PCSK7 ZPR1 APOA5 APOA1 BUD13 ENSG00000226645
- Elite enhancer and/or Elite enhancer-gene association Download GeneHancer data dump

Enhancers around PAFAH1B2 on UCSC Golden Path with GeneCards custom track

Promoters for PAFAH1B2 Gene
Ensembl Regulatory Elements (ENSRs) TSS Distance (bp) Size (bp) Binding Sites for Transcription Factors within promoters
ENSR00000045476 533 2401 HDGF PKNOX1 MLX ZFP64 ARID4B SIN3A DMAP1 ZNF2 YY1 ZNF143

Genomic Locations for PAFAH1B2 Gene

Genomic Locations for PAFAH1B2 Gene
33,907 bases
Plus strand

Genomic View for PAFAH1B2 Gene

Genes around PAFAH1B2 on UCSC Golden Path with GeneCards custom track

Cytogenetic band:
PAFAH1B2 Gene in genomic location: bands according to Ensembl, locations according to GeneLoc (and/or Entrez Gene and/or Ensembl if different)
Genomic Location for PAFAH1B2 Gene
GeneLoc Logo Genomic Neighborhood Exon StructureGene Density

RefSeq DNA sequence for PAFAH1B2 Gene

Proteins for PAFAH1B2 Gene

  • Protein details for PAFAH1B2 Gene (UniProtKB/Swiss-Prot)

    Protein Symbol:
    Recommended name:
    Platelet-activating factor acetylhydrolase IB subunit beta
    Protein Accession:
    Secondary Accessions:
    • A8DPS5
    • A8DPS6
    • A8DPS7
    • E9PEJ5
    • E9PLP3
    • O00687
    • Q29459
    • Q6IBR6

    Protein attributes for PAFAH1B2 Gene

    229 amino acids
    Molecular mass:
    25569 Da
    Quaternary structure:
    • Cytosolic PAF-AH IB is formed of three subunits of 45 kDa (alpha), 30 kDa (beta) and 29 kDa (gamma). The catalytic activity of the enzyme resides in the beta and gamma subunits, whereas the alpha subunit has regulatory activity. Trimer formation is not essential for the catalytic activity.

    Three dimensional structures from OCA and Proteopedia for PAFAH1B2 Gene

    Alternative splice isoforms for PAFAH1B2 Gene


neXtProt entry for PAFAH1B2 Gene

Selected DME Specific Peptides for PAFAH1B2 Gene


Post-translational modifications for PAFAH1B2 Gene

  • Ubiquitination at Lys133
  • Modification sites at PhosphoSitePlus

Domains & Families for PAFAH1B2 Gene

Gene Families for PAFAH1B2 Gene

Human Protein Atlas (HPA):
  • Cancer-related genes
  • Enzymes
  • Predicted intracellular proteins

Protein Domains for PAFAH1B2 Gene

Graphical View of Domain Structure for InterPro Entry



  • Belongs to the GDSL lipolytic enzyme family. Platelet-activating factor acetylhydrolase IB beta/gamma subunits subfamily.
  • Belongs to the GDSL lipolytic enzyme family. Platelet-activating factor acetylhydrolase IB beta/gamma subunits subfamily.
genes like me logo Genes that share domains with PAFAH1B2: view

Function for PAFAH1B2 Gene

Molecular function for PAFAH1B2 Gene

GENATLAS Biochemistry:
platelet activating factor acetylhydrolase,isoform 1b,beta subunit ,30kDa,maybe a contributor to susceptibility to a progression of non familal dilated cardiomyopathy
UniProtKB/Swiss-Prot CatalyticActivity:
1-alkyl-2-acetyl-sn-glycero-3-phosphocholine + H(2)O = 1-alkyl-sn-glycero-3-phosphocholine + acetate.
UniProtKB/Swiss-Prot Function:
Inactivates PAF by removing the acetyl group at the sn-2 position. This is a catalytic subunit.

Enzyme Numbers (IUBMB) for PAFAH1B2 Gene

Phenotypes From GWAS Catalog for PAFAH1B2 Gene

Gene Ontology (GO) - Molecular Function for PAFAH1B2 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0003847 1-alkyl-2-acetylglycerophosphocholine esterase activity IEA --
GO:0004623 phospholipase A2 activity TAS --
GO:0005515 protein binding IPI 16189514
GO:0016787 hydrolase activity IEA --
GO:0042803 protein homodimerization activity IEA --
genes like me logo Genes that share ontologies with PAFAH1B2: view
genes like me logo Genes that share phenotypes with PAFAH1B2: view

Animal Models for PAFAH1B2 Gene

MGI Knock Outs for PAFAH1B2:

Animal Model Products

CRISPR Products

miRNA for PAFAH1B2 Gene

miRTarBase miRNAs that target PAFAH1B2

Clone Products

No data available for Human Phenotype Ontology , Transcription Factor Targets and HOMER Transcription for PAFAH1B2 Gene

Localization for PAFAH1B2 Gene

Subcellular locations from UniProtKB/Swiss-Prot for PAFAH1B2 Gene


Subcellular locations from

Extracellular space Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi Apparatus Nucleus Mitochondrion 0 1 2 3 4 5 Confidence
COMPARTMENTS Subcellular localization image for PAFAH1B2 gene
Compartment Confidence
plasma membrane 5
extracellular 5
nucleus 5
cytosol 5
peroxisome 1

Subcellular locations from the

Human Protein Atlas (HPA)
  • Cytosol (3)
  • Nucleoli (3)
  • Plasma membrane (3)
See all subcellular structures

Gene Ontology (GO) - Cellular Components for PAFAH1B2 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0001650 fibrillar center IDA --
GO:0005576 extracellular region TAS --
GO:0005730 nucleolus IDA --
GO:0005737 cytoplasm TAS 16130169
GO:0005829 cytosol TAS --
genes like me logo Genes that share ontologies with PAFAH1B2: view

Pathways & Interactions for PAFAH1B2 Gene

genes like me logo Genes that share pathways with PAFAH1B2: view

SIGNOR curated interactions for PAFAH1B2 Gene


Gene Ontology (GO) - Biological Process for PAFAH1B2 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0006629 lipid metabolic process TAS 9144386
GO:0007283 spermatogenesis IEA --
GO:0007420 brain development IBA --
GO:0016042 lipid catabolic process IEA --
GO:0016239 positive regulation of macroautophagy IMP 22354037
genes like me logo Genes that share ontologies with PAFAH1B2: view

Drugs & Compounds for PAFAH1B2 Gene

(3) Drugs for PAFAH1B2 Gene - From: ApexBio and HMDB

Name Status Disease Links Group Role Mechanism of Action Clinical Trials
Water Approved Pharma 0
acetic acid Approved Nutra Full agonist, Agonist 115
Gossypol Investigational Pharma PAF inhibitor;anti-fertility and anti-cancer 24

(36) Additional Compounds for PAFAH1B2 Gene - From: HMDB

Name Synonyms Role CAS Number PubChem IDs PubMed IDs
  • 1-Hydroxy-2-Octadecanoyl-sn-glycero-3-phosphocholine
  • 1-Hydroxy-2-stearoyl-sn-glycero-3-phosphocholine
  • Lysophosphatidylcholine
  • Stearoyl lysophosphatidylcholine
  • 1-Capryl-2-lysophosphatidylcholine
  • 1-Capryl-L-alpha-phosphorylcholine
  • 1-Decanoyl-sn-glycero-3-phosphocholine
  • 1-Decanoyl-sn-glycerol-3-phosphorylcholine
  • 1-Decanoyllysolecithin
  • 1-Myristoyl-glycero-3-phosphocholine
  • LPC(14:0)
  • LPC(14:0/0:0)
  • LyPC(14:0)
  • LyPC(14:0/0:0)
  • 1-Myristoleoyl-glycero-3-phosphocholine
  • LPC(14:1)
  • LPC(14:1/0:0)
  • LPC(14:1n5/0:0)
  • LPC(14:1w5/0:0)
  • 1-Pentadecanoyl-glycero-3-phosphocholine
  • LPC(15:0)
  • LPC(15:0/0:0)
  • LyPC(15:0)
  • LyPC(15:0/0:0)

(1) ApexBio Compounds for PAFAH1B2 Gene

Compound Action Cas Number
Gossypol PAF inhibitor;anti-fertility and anti-cancer 303-45-7
genes like me logo Genes that share compounds with PAFAH1B2: view

Drug Products

Transcripts for PAFAH1B2 Gene

Unigene Clusters for PAFAH1B2 Gene

Platelet-activating factor acetylhydrolase 1b, catalytic subunit 2 (30kDa):
Representative Sequences:

CRISPR Products

Clone Products

Alternative Splicing Database (ASD) splice patterns (SP) for PAFAH1B2 Gene

No ASD Table

Relevant External Links for PAFAH1B2 Gene

GeneLoc Exon Structure for
ECgene alternative splicing isoforms for

Expression for PAFAH1B2 Gene

mRNA expression in normal human tissues from GTEx, Illumina, BioGPS, and CGAP SAGE for PAFAH1B2 Gene

mRNA expression in embryonic tissues and stem cells from LifeMap Discovery

Integrated Proteomics: protein expression in normal tissues and cell lines from ProteomicsDB, PaxDb, MaxQB, and MOPED for PAFAH1B2 Gene

Protein tissue co-expression partners for PAFAH1B2 Gene

- Elite partner

NURSA nuclear receptor signaling pathways regulating expression of PAFAH1B2 Gene:


SOURCE GeneReport for Unigene cluster for PAFAH1B2 Gene:


mRNA Expression by UniProt/SwissProt for PAFAH1B2 Gene:

Tissue specificity: Ubiquitous.

Evidence on tissue expression from TISSUES for PAFAH1B2 Gene

  • Nervous system(4.8)
  • Lung(4.4)
  • Spleen(2)
genes like me logo Genes that share expression patterns with PAFAH1B2: view

No data available for mRNA differential expression in normal tissues , Protein differential expression in normal tissues and Phenotype-based relationships between genes and organs from Gene ORGANizer for PAFAH1B2 Gene

Orthologs for PAFAH1B2 Gene

This gene was present in the common ancestor of animals.

Orthologs for PAFAH1B2 Gene

Organism Taxonomy Gene Similarity Type Details
(Pan troglodytes)
Mammalia PAFAH1B2 33 34
  • 100 (n)
(Ornithorhynchus anatinus)
Mammalia PAFAH1B2 34
  • 96 (a)
(Bos Taurus)
Mammalia PAFAH1B2 33 34
  • 94.18 (n)
(Canis familiaris)
Mammalia PAFAH1B2 33 34
  • 93.3 (n)
(Rattus norvegicus)
Mammalia Pafah1b2 33
  • 91.41 (n)
(Mus musculus)
Mammalia Pafah1b2 33 16 34
  • 91.27 (n)
(Monodelphis domestica)
Mammalia PAFAH1B2 34
  • 88 (a)
(Gallus gallus)
Aves PAFAH1B2 33 34
  • 82.24 (n)
tropical clawed frog
(Silurana tropicalis)
Amphibia pafah1b2 33
  • 74.24 (n)
African clawed frog
(Xenopus laevis)
Amphibia MGC69176 33
(Danio rerio)
Actinopterygii pafah1b2 33 34
  • 65.48 (n)
African malaria mosquito
(Anopheles gambiae)
Insecta AgaP_AGAP000939 33
  • 52.05 (n)
fruit fly
(Drosophila melanogaster)
Insecta Paf-AHalpha 35 33 34
  • 51.58 (n)
sea squirt
(Ciona savignyi)
Ascidiacea -- 34
  • 42 (a)
Species where no ortholog for PAFAH1B2 was found in the sources mined by GeneCards:
  • A. gosspyii yeast (Ashbya gossypii)
  • Actinobacteria (Mycobacterium tuberculosis)
  • Alicante grape (Vitis vinifera)
  • alpha proteobacteria (Wolbachia pipientis)
  • amoeba (Dictyostelium discoideum)
  • Archea (Pyrococcus horikoshii)
  • baker's yeast (Saccharomyces cerevisiae)
  • barley (Hordeum vulgare)
  • beta proteobacteria (Neisseria meningitidis)
  • bread mold (Neurospora crassa)
  • Chromalveolata (Phytophthora infestans)
  • common water flea (Daphnia pulex)
  • corn (Zea mays)
  • E. coli (Escherichia coli)
  • filamentous fungi (Aspergillus nidulans)
  • Firmicute bacteria (Streptococcus pneumoniae)
  • fission yeast (Schizosaccharomyces pombe)
  • green algae (Chlamydomonas reinhardtii)
  • honey bee (Apis mellifera)
  • K. lactis yeast (Kluyveromyces lactis)
  • lizard (Anolis carolinensis)
  • loblloly pine (Pinus taeda)
  • malaria parasite (Plasmodium falciparum)
  • medicago trunc (Medicago Truncatula)
  • moss (Physcomitrella patens)
  • orangutan (Pongo pygmaeus)
  • pig (Sus scrofa)
  • rainbow trout (Oncorhynchus mykiss)
  • rice (Oryza sativa)
  • rice blast fungus (Magnaporthe grisea)
  • schistosome parasite (Schistosoma mansoni)
  • sea anemone (Nematostella vectensis)
  • sea urchin (Strongylocentrotus purpuratus)
  • sorghum (Sorghum bicolor)
  • soybean (Glycine max)
  • stem rust fungus (Puccinia graminis)
  • sugarcane (Saccharum officinarum)
  • thale cress (Arabidopsis thaliana)
  • tomato (Lycopersicon esculentum)
  • toxoplasmosis (Toxoplasma gondii)
  • Trichoplax (Trichoplax adhaerens)
  • wheat (Triticum aestivum)
  • worm (Caenorhabditis elegans)

Evolution for PAFAH1B2 Gene

Gene Tree for PAFAH1B2 (if available)
Gene Tree for PAFAH1B2 (if available)

Paralogs for PAFAH1B2 Gene

Paralogs for PAFAH1B2 Gene

(1) SIMAP similar genes for PAFAH1B2 Gene using alignment to 3 proteins: Pseudogenes for PAFAH1B2 Gene

genes like me logo Genes that share paralogs with PAFAH1B2: view

Variants for PAFAH1B2 Gene

Sequence variations from dbSNP and Humsavar for PAFAH1B2 Gene

SNP ID Clin Chr 11 pos Sequence Context AA Info Type
rs1000016010 -- 117,143,442(+) AAAAA(A/G)AAAAA upstream-variant-2KB
rs1000109490 -- 117,153,633(+) TGATC(C/T)GCCTG intron-variant
rs1000146117 -- 117,172,899(+) GGGTT(C/T)GCCAT intron-variant
rs1000165317 -- 117,150,615(+) TTCTA(A/G)AAAAC intron-variant
rs1000308337 -- 117,178,112(+) GAAAC(A/G)GTGCC nc-transcript-variant, upstream-variant-2KB

Structural Variations from Database of Genomic Variants (DGV) for PAFAH1B2 Gene

Variant ID Type Subtype PubMed ID
dgv730n106 OTHER inversion 24896259
esv2662387 CNV deletion 23128226
esv3627846 CNV loss 21293372
nsv1078301 OTHER inversion 25765185
nsv39763 CNV insertion 16902084
nsv7223 OTHER inversion 18451855

Variation tolerance for PAFAH1B2 Gene

Residual Variation Intolerance Score: 29.7% of all genes are more intolerant (likely to be disease-causing)
Gene Damage Index Score: 0.15; 3.34% of all genes are more intolerant (likely to be disease-causing)

Relevant External Links for PAFAH1B2 Gene

Human Gene Mutation Database (HGMD)
SNPedia medical, phenotypic, and genealogical associations of SNPs for

No data available for Polymorphic Variants from UniProtKB/Swiss-Prot for PAFAH1B2 Gene

Disorders for PAFAH1B2 Gene

Relevant External Links for PAFAH1B2

Genetic Association Database (GAD)
Human Genome Epidemiology (HuGE) Navigator
Atlas of Genetics and Cytogenetics in Oncology and Haematology:

No disorders were found for PAFAH1B2 Gene.

No data available for MalaCards , UniProtKB/Swiss-Prot and Genatlas for PAFAH1B2 Gene

Publications for PAFAH1B2 Gene

  1. Novel isoforms of intracellular platelet activating factor acetylhydrolase (PAFAH1b2) in human testis; encoded by alternatively spliced mRNAs. (PMID: 18155631) Scott BT … Bovill EG (Prostaglandins & other lipid mediators 2008) 3 4 22 60
  2. Exclusion of the alpha2 subunit of platelet-activating factor acetylhydrolase 1b (PAFAH1B2) as a prothrombotic gene in a protein C-deficient kindred and population-based case-control sample. (PMID: 17849047) Hasstedt SJ … Bovill EG (Thrombosis and haemostasis 2007) 3 22 45 60
  3. The beta and gamma subunits of the human platelet-activating factor acetyl hydrolase isoform Ib (PAFAH1B2 and PAFAH1B3) map to chromosome 11q23 and 19q13.1, respectively. (PMID: 9693049) Moro F … Carrozzo R (Genomics 1998) 2 3 22 60
  4. Differential tissue distribution of the beta- and gamma-subunits of human cytosolic platelet-activating factor acetylhydrolase (isoform I). (PMID: 9144386) Adachi H … Inoue K (Biochemical and biophysical research communications 1997) 2 3 4 60
  5. Spontaneous preterm birth in African Americans is associated with infection and inflammatory response gene variants. (PMID: 19019335) Velez DR … Menon R (American journal of obstetrics and gynecology 2009) 3 45 60

Products for PAFAH1B2 Gene

Sources for PAFAH1B2 Gene

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