======= OPN4 ======= == Gene Information == * **Official Symbol**: OPN4 * **Official Name**: opsin 4 * **Aliases and Previous Symbols**: N/A * **Entrez ID**: [[https://www.ncbi.nlm.nih.gov/gene/?term=94233|94233]] * **UniProt**: [[https://www.uniprot.org/uniprot/Q9UHM6|Q9UHM6]] * **Interactions**: [[https://thebiogrid.org/search.php?search=OPN4&organism=9606|BioGRID]] * **PubMed articles**: [[https://www.ncbi.nlm.nih.gov/pubmed/?term=gene%20OPN4|Open PubMed]] * **OMIM**: [[https://omim.org/entry/606665|Open OMIM]] == Function Summary == * **Entrez Summary**: N/A * **UniProt Summary**: Photoreceptor required for regulation of circadian rhythm. Contributes to pupillar reflex and other non-image forming responses to light. May be able to isomerize covalently bound all- trans retinal back to 11-cis retinal (By similarity). {ECO:0000250, ECO:0000269|PubMed:10632589, ECO:0000269|PubMed:15674244}. |7tm 1| |7TM GPCR Srsx| |11-cis retinal binding| |G protein-coupled photoreceptor activity| |protein-chromophore linkage| |photoreceptor disc membrane| |phototransduction| |detection of visible light| |detection of light stimulus| |cellular response to light stimulus| |regulation of circadian rhythm| |detection of external stimulus| |detection of abiotic stimulus| |cellular response to radiation| |visual perception| |sensory perception of light stimulus| |rhythmic process| |response to light stimulus| |cellular response to environmental stimulus| |cellular response to abiotic stimulus| |response to radiation| |detection of stimulus| |sensory perception| |response to abiotic stimulus| |G protein-coupled receptor signaling pathway| |nervous system process| |integral component of plasma membrane| |system process| \\ === CRISPR Data === ^Screen^Score^ |[[:results:exp399|Salubrinal 20μM R07 exp399]]|1.87| |[[:results:exp359|FK-506 30μM R07 exp359]]|1.95| 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**: 6040 * **Expression level (log2 read counts)**: -5.6 {{:chemogenomics:nalm6 dist.png?nolink |}}