======= TTLL4 =======
== Gene Information ==
* **Official Symbol**: TTLL4
* **Official Name**: tubulin tyrosine ligase like 4
* **Aliases and Previous Symbols**: N/A
* **Entrez ID**: [[https://www.ncbi.nlm.nih.gov/gene/?term=9654|9654]]
* **UniProt**: [[https://www.uniprot.org/uniprot/Q14679|Q14679]]
* **Interactions**: [[https://thebiogrid.org/search.php?search=TTLL4&organism=9606|BioGRID]]
* **PubMed articles**: [[https://www.ncbi.nlm.nih.gov/pubmed/?term=gene%20TTLL4|Open PubMed]]
* **OMIM**: [[https://omim.org/entry/618738|Open OMIM]]
== Function Summary ==
* **Entrez Summary**: N/A
* **UniProt Summary**: Glutamylase which preferentially modifies beta-tubulin and non-tubulin proteins, such as NAP1L1, NAP1L4 and CGAS. Involved in the side-chain initiation step of the polyglutamylation reaction rather than in the elongation step. Involved in formation of short side-chains. Mediates initiation of polyglutamylation of nucleosome assembly proteins NAP1L1 and NAP1L4. Also acts as a monoglutamylase: generates monoglutamylation of CGAS, leading to impair the nucleotidyltransferase activity of CGAS. {ECO:0000250|UniProtKB:Q80UG8}.
|TTL|
|protein-glutamic acid ligase activity|
|protein polyglutamylation|
|peptidyl-glutamic acid modification|
|tubulin binding|
|cilium|
|microtubule|
|peptidyl-amino acid modification|
|ATP binding|
\\
=== CRISPR Data ===
^Screen^Score^
|[[:results:exp483|FTY720 3μM R08 exp483]]|1.7|
No correlation found to any other genes in chemogenomics.
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**: 10505
* **Expression level (log2 read counts)**: 5.83
{{:chemogenomics:nalm6 dist.png?nolink |}}