SPTSSB
serine palmitoyltransferase small subunit B
Basic information
Region (hg38): 3:161344797-161372880
Previous symbols: [ "C3orf57" ]
Links
Phenotypes
GenCC
Source:
No genCC data.
ClinVar
This is a list of variants' phenotypes submitted to
Variants pathogenicity by type
Statistics on ClinVar variants can assist in determining whether a specific variant type in the SPTSSB gene is commonly pathogenic or not.
In the table, we include only reliable ClinVar variants with their consequences to MANE Select, Mane Plus Clinical transcripts, or transcripts with TSL equals 1. Click the count to view the source variants.
Warning: slight differences between displayed counts and the number of variants in ClinVar may occur, primarily due to (1) the application of a different transcript and/or consequence by our variant effect predictor or (2) differences in clinical significance: we classify Benign/Likely benign variants as Likely benign and Pathogenic/Likely pathogenic variants as Likely pathogenic.
| Variant type | Pathogenic | Likely pathogenic | VUS | Likely benign | Benign | Sum |
|---|---|---|---|---|---|---|
| synonymous | 0 | |||||
| missense | 0 | |||||
| nonsense | 0 | |||||
| start loss | 0 | |||||
| frameshift | 0 | |||||
| inframe indel | 0 | |||||
| splice donor/acceptor (+/-2bp) | 0 | |||||
| splice region | 0 | |||||
| non coding | 0 | |||||
| Total | 0 | 0 | 0 | 0 | 0 |
GnomAD
Source:
| Gene | Type | Bio Type | Transcript | Coding Exons | Length |
|---|---|---|---|---|---|
| SPTSSB | protein_coding | protein_coding | ENST00000359175 | 1 | 28089 |
| pLI Probability LOF Intolerant | pRec Probability LOF Recessive | Individuals with no LOFs | Individuals with Homozygous LOFs | Individuals with Heterozygous LOFs | Defined | p |
|---|---|---|---|---|---|---|
| 0.000870 | 0.356 | 125588 | 0 | 9 | 125597 | 0.0000358 |
| Z-Score | Observed | Expected | Observed/Expected | Mutation Rate | Total Possible in Transcript | |
|---|---|---|---|---|---|---|
| Missense | 0.119 | 41 | 43.2 | 0.949 | 0.00000223 | 496 |
| Missense in Polyphen | 9 | 17.443 | 0.51597 | 208 | ||
| Synonymous | -0.153 | 14 | 13.3 | 1.05 | 5.69e-7 | 138 |
| Loss of Function | -0.471 | 4 | 3.10 | 1.29 | 2.15e-7 | 30 |
LoF frequencies by population
| Ethnicity | Sum of pLOFs | p |
|---|---|---|
| African & African-American | 0.0000289 | 0.0000289 |
| Ashkenazi Jewish | 0.00 | 0.00 |
| East Asian | 0.0000544 | 0.0000544 |
| Finnish | 0.00 | 0.00 |
| European (Non-Finnish) | 0.0000618 | 0.0000617 |
| Middle Eastern | 0.0000544 | 0.0000544 |
| South Asian | 0.00 | 0.00 |
| Other | 0.00 | 0.00 |
dbNSFP
Source:
- Function
- FUNCTION: Stimulates the activity of serine palmitoyltransferase (SPT). The composition of the serine palmitoyltransferase (SPT) complex determines the substrate preference, complexes with this subunit showing a clear preference for longer acyl-CoAs. The SPTLC1-SPTLC2-SPTSSB complex shows a strong preference for C18-CoA substrate, while the SPTLC1-SPTLC3-SPTSSB isozyme displays an ability to use a broader range of acyl-CoAs, without apparent preference. May play a role in signal transduction. {ECO:0000269|PubMed:19416851}.;
- Pathway
- Metabolism of lipids;Metabolism;Sphingolipid de novo biosynthesis;Sphingolipid metabolism
(Consensus)
Recessive Scores
- pRec
- 0.130
Intolerance Scores
- loftool
- rvis_EVS
- 0.01
- rvis_percentile_EVS
- 54.63
Haploinsufficiency Scores
- pHI
- 0.398
- hipred
- N
- hipred_score
- 0.458
- ghis
- 0.612
Essentials
- essential_gene_CRISPR
- N
- essential_gene_CRISPR2
- N
- essential_gene_gene_trap
- N
- gene_indispensability_pred
- N
- gene_indispensability_score
- 0.114
Gene Damage Prediction
| All | Recessive | Dominant | |
|---|---|---|---|
| Mendelian | Medium | Low | Low |
| Primary Immunodeficiency | Medium | Low | Medium |
| Cancer | Low | Low | Low |
Mouse Genome Informatics
- Gene name
- Sptssb
- Phenotype
- vision/eye phenotype; nervous system phenotype (the observable morphological and physiological characteristics of the extensive, intricate network of electochemical structures in the body that is comprised of the brain, spinal cord, nerves, ganglia and parts of the receptor organs that are manifested through development and lifespan); renal/urinary system phenotype; behavior/neurological phenotype (the observable actions or reactions of mammalian organisms that are manifested through development and lifespan); growth/size/body region phenotype; integument phenotype (the observable morphological and physiological characteristics of the skin and its associated structures, such as the hair, nails, sweat glands, sebaceous glands and other secretory glands that are manifested through development and lifespan); mortality/aging (the observable characteristics related to the ability of a mammalian organism to live and age that are manifested throughout development and life span); homeostasis/metabolism phenotype; cellular phenotype;
Gene ontology
- Biological process
- endoplasmic reticulum organization;sphingolipid biosynthetic process;ceramide biosynthetic process;regulation of serine C-palmitoyltransferase activity
- Cellular component
- endoplasmic reticulum membrane;integral component of membrane;serine C-palmitoyltransferase complex
- Molecular function
- serine C-palmitoyltransferase activity;protein binding