======= GPAA1 =======
== Gene Information ==
* **Official Symbol**: GPAA1
* **Official Name**: glycosylphosphatidylinositol anchor attachment 1
* **Aliases and Previous Symbols**: N/A
* **Entrez ID**: [[https://www.ncbi.nlm.nih.gov/gene/?term=8733|8733]]
* **UniProt**: [[https://www.uniprot.org/uniprot/O43292|O43292]]
* **Interactions**: [[https://thebiogrid.org/search.php?search=GPAA1&organism=9606|BioGRID]]
* **PubMed articles**: [[https://www.ncbi.nlm.nih.gov/pubmed/?term=gene%20GPAA1|Open PubMed]]
* **OMIM**: [[https://omim.org/entry/603048|Open OMIM]]
== Function Summary ==
* **Entrez Summary**: N/A
* **UniProt Summary**: Essential for GPI-anchoring of precursor proteins but not for GPI synthesis. Acts before or during formation of the carbonyl intermediate. {ECO:0000269|PubMed:9468317}.
|Gaa1|
|GPI-anchor transamidase activity|
|GPI-anchor transamidase complex|
|attachment of GPI anchor to protein|
|GPI anchor binding|
|protein retention in ER lumen|
|maintenance of protein localization in endoplasmic reticulum|
|GPI anchor biosynthetic process|
|GPI anchor metabolic process|
|maintenance of protein localization in organelle|
|tubulin binding|
|glycolipid biosynthetic process|
|maintenance of protein location in cell|
|protein lipidation|
|lipoprotein biosynthetic process|
|maintenance of location in cell|
|maintenance of protein location|
|glycolipid metabolic process|
|phosphatidylinositol biosynthetic process|
|liposaccharide metabolic process|
|lipoprotein metabolic process|
|membrane lipid biosynthetic process|
|protein localization to endoplasmic reticulum|
|maintenance of location|
|phosphatidylinositol metabolic process|
|membrane lipid metabolic process|
|glycerophospholipid biosynthetic process|
|glycerolipid biosynthetic process|
|phospholipid biosynthetic process|
|glycerophospholipid metabolic process|
|phospholipid metabolic process|
|glycerolipid metabolic process|
|organophosphate biosynthetic process|
|lipid biosynthetic process|
|carbohydrate derivative biosynthetic process|
|protein localization to organelle|
|organophosphate metabolic process|
|endoplasmic reticulum membrane|
|cellular lipid metabolic process|
|carbohydrate derivative metabolic process|
|lipid metabolic process|
|organonitrogen compound biosynthetic process|
|protein-containing complex assembly|
|cellular protein localization|
|cellular macromolecule localization|
|cellular macromolecule biosynthetic process|
|macromolecule biosynthetic process|
|protein-containing complex subunit organization|
|membrane|
\\
=== CRISPR Data ===
^Screen^Score^
|[[:results:exp400|Senexin-A 25μM R07 exp400]]|-2.08|
No correlation found to any other genes in chemogenomics.
Global Fraction of Cell Lines Where Essential: 1/739
^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|1/33|
|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**: 8911
* **Expression level (log2 read counts)**: 6.24
{{:chemogenomics:nalm6 dist.png?nolink |}}