PLA2G12B
protein-codingphospholipase A2 group XIIB, the group of Phospholipases
Gene summary
The protein encoded by this gene belongs to the phospholipase A2 (PLA2) group of enzymes, which function in glycolipid hydrolysis with the release of free fatty acids and lysophospholipids. This family member has altered phospholipid-binding properties and is catalytically inactive. The protein is secreted, and together with microsomal triglyceride transfer protein, it functions to regulate HNF4alpha-induced hepatitis C virus infectivity. The expression of this gene is down-regulated in various tumors, suggesting that it may function as a negative regulator of tumor progression. Alternative splicing of this gene results in multiple transcript variants. [provided by RefSeq, Dec 2015]
- PLA2G13
MANE transcript
Inheritance
ClinVar variants
Top phenotype
gnomAD constraint
Max pathogenic AF
Genomic locus
External References & Databases
Transcript & Mutation Effects
hg38 • Region Span ~20.0 kbGenCC Phenotypes & Disease Associations
Curated gene-disease validity assertions and inheritance patterns
No GenCC data available for this gene.
ClinVar Associated Diseases & Phenotypes
Reported disease conditions connected to PLA2G12B variants in ClinVar
ClinVar Variants & Pathogenicity by Type
Statistics based on transcript NM_032562.5. Only rare variants are included.
We include only reliable ClinVar variants with their consequences to MANE Select, MANE Plus Clinical transcripts, or transcripts with TSL equal to 1. Click a count to filter the variants table below.
Slight differences between displayed counts and ClinVar may occur due to a different transcript/consequence chosen by our variant effect predictor, or because we classify Benign/Likely benign as Likely benign and Pathogenic/Likely pathogenic as Likely pathogenic.
| Effect | PathogenicP | Likely pathogenicLP | VUS | Likely benignLB | BenignB | Sum |
|---|---|---|---|---|---|---|
| synonymous | 0 | |||||
| missense | 26 | 1 | 27 | |||
| nonsense | 0 | |||||
| start loss | 0 | |||||
| frameshift | 0 | |||||
| splice donor/acceptor (+/-2bp) | 0 | |||||
| Total | 0 | 0 | 26 | 1 | 0 | 27 |
Transcript Catalog
Annotated transcript isoforms across RefSeq and Ensembl databases
| Transcript ID | Source | Protein ID | Coding Exons | MANE Status |
|---|---|---|---|---|
| RefSeq | NP_115951.2 | 4 | MANE Select | |
| Ensembl | ENSP00000362123.3 | 4 | MANE Select | |
| RefSeq | NP_001305053.1 | 4 | Standard | |
| RefSeq | NP_001305054.1 | 3 | Standard |
Model Organisms & Knockout Phenotypes
Observed phenotypic effects in mouse and zebrafish models
| Gene / Model | Organism | Observed Phenotype |
|---|---|---|
| pla2g12b | Danio rerio | Structure: yolk Quality: color abnormal |
Gene Ontology (GO) Annotations & Pathways
Biological processes, molecular functions, cellular components and pathways
Pathways ConsensusPathDB
- Ether lipid metabolism - Homo sapiens (human)
- Glycerophospholipid metabolism - Homo sapiens (human)
- Fat digestion and absorption - Homo sapiens (human)
- Vascular smooth muscle contraction - Homo sapiens (human)
- alpha-Linolenic acid metabolism - Homo sapiens (human)
Biological Process
- phospholipid metabolic process
- lipid catabolic process
- arachidonic acid secretion
Molecular Function
- phospholipase A2 activity
- calcium ion binding
Cellular Component
- extracellular region
gnomAD Constraint
Source:
- Gene type
- protein_coding
- Transcript type
- protein_coding
- Transcript
- ENST00000373032
- Coding exons
- 4
- Length
- 19609
- Individuals with no LoFs
- 125727
- Homozygous LoFs
- 0
- Heterozygous LoFs
- 20
- Defined
- 125747
- p
- 0.0000795
| Z-Score | Observed | Expected | Observed/Expected | Mutation Rate | Total Possible | |
|---|---|---|---|---|---|---|
| Missense | 0.654 | 95 | 115 | 0.828 | 0.00000681 | 1269 |
| Missense (PolyPhen) | 25 | 46.03 | 0.54313 | 489 | ||
| Synonymous | 1.33 | 33 | 44.3 | 0.745 | 0.00000257 | 373 |
| Loss of Function | 1.16 | 6 | 9.93 | 0.604 | 5.93e-7 | 108 |
Population LoF Frequency
| Population | CAF | p-value | Status |
|---|---|---|---|
| African | 0 | 0.0 | absent |
| Latino/Admixed American | 0.00017 | 0.00017 | rare |
| Ashkenazi Jewish | 0.000099 | 0.000099 | rare |
| East Asian | 0 | 0.0 | absent |
| Finnish | 0 | 0.0 | absent |
| European (Non-Finnish) | 0.000080 | 0.000079 | rare |
| South Asian | 0.00013 | 0.00013 | rare |
| Other | 0 | 0.0 | absent |
dbNSFP Gene Annotations
Source:
- Function
- FUNCTION: Not known; does not seem to have catalytic activity.;
Recessive Scores
- pRec
- 0.128
Intolerance Scores
- LoFtool
- 0.492
- RVIS EVS
- -0.19
- RVIS percentile EVS
- 39.68
Essentials
- Essential (CRISPR)
- N
- Essential (CRISPR2)
- N
- Essential (gene trap)
- N
- Indispensability pred.
- E
- Indispensability score
- 0.559
Gene Damage Prediction
| All | Recessive | Dominant | |
|---|---|---|---|
| Mendelian | Medium | Medium | Medium |
| Primary Immunodeficiency | Medium | Medium | Medium |
| Cancer | Medium | Medium | Medium |