======= ST8SIA4 ======= == Gene Information == * **Official Symbol**: ST8SIA4 * **Official Name**: ST8 alpha-N-acetyl-neuraminide alpha-2,8-sialyltransferase 4 * **Aliases and Previous Symbols**: N/A * **Entrez ID**: [[https://www.ncbi.nlm.nih.gov/gene/?term=7903|7903]] * **UniProt**: [[https://www.uniprot.org/uniprot/Q92187|Q92187]] * **Interactions**: [[https://thebiogrid.org/search.php?search=ST8SIA4&organism=9606|BioGRID]] * **PubMed articles**: [[https://www.ncbi.nlm.nih.gov/pubmed/?term=gene%20ST8SIA4|Open PubMed]] * **OMIM**: [[https://omim.org/entry/602547|Open OMIM]] == Function Summary == * **Entrez Summary**: N/A * **UniProt Summary**: Catalyzes the polycondensation of alpha-2,8-linked sialic acid required for the synthesis of polysialic acid (PSA), which is present on the embryonic neural cell adhesion molecule (N-CAM), necessary for plasticity of neural cells. |Glyco transf 29| |alpha-N-acetylneuraminate alpha-2,8-sialyltransferase activity| |ganglioside biosynthetic process| |sialic acid binding| |N-glycan processing| |ganglioside metabolic process| |sialylation| |glycosphingolipid biosynthetic process| |ceramide biosynthetic process| |oligosaccharide metabolic process| |glycolipid biosynthetic process| |glycosphingolipid metabolic process| |ceramide metabolic process| |sphingolipid biosynthetic process| |glycolipid metabolic process| |liposaccharide metabolic process| |membrane lipid biosynthetic process| |sphingolipid metabolic process| |membrane lipid metabolic process| |macromolecule glycosylation| |protein glycosylation| |glycosylation| |glycoprotein biosynthetic process| |glycoprotein metabolic process| |carbohydrate metabolic process| |amide biosynthetic process| |lipid biosynthetic process| |carbohydrate derivative biosynthetic process| |Golgi membrane| |cellular amide metabolic process| |cellular lipid metabolic process| |carbohydrate derivative metabolic process| |lipid metabolic process| |organonitrogen compound biosynthetic process| |cellular nitrogen compound biosynthetic process| |cellular macromolecule biosynthetic process| |macromolecule biosynthetic process| \\ === CRISPR Data === ^Screen^Score^ |[[:results:exp490|Hydroxychloroquine 30μM R08 exp490]]|-1.76| |[[:results:exp518|RK-33 8μM R08 exp518]]|-1.7| |[[:results:exp75|MK-1775 0.32μM R02 exp75]]|1.83| |[[:results:exp122|Golgicide-A 4μM R03 exp122]]|1.87| ^Gene^Correlation^ |[[:human genes:r:rrm1|RRM1]]|0.425| Global Fraction of Cell Lines Where Essential: 0/739 ^Tissue^Fraction Of Cell Lines Where Essential^ |1290807.0|0/1| |909776.0|0/1| |bile duct|0/28| |blood|0/28| |bone|0/26| |breast|0/33| |central nervous system|0/56| |cervix|0/4| |colorectal|0/17| |esophagus|0/13| |fibroblast|0/1| |gastric|0/16| |kidney|0/21| |liver|0/20| |lung|0/75| |lymphocyte|0/16| |ovary|0/26| |pancreas|0/24| |peripheral nervous system|0/16| |plasma cell|0/15| |prostate|0/1| |skin|0/24| |soft tissue|0/9| |thyroid|0/2| |upper aerodigestive|0/22| |urinary tract|0/29| |uterus|0/5| == Essentiality in NALM6 == * **Essentiality Rank**: 19046 * **Expression level (log2 read counts)**: 5.62 {{:chemogenomics:nalm6 dist.png?nolink |}}