======= KCNMB4 ======= == Gene Information == * **Official Symbol**: KCNMB4 * **Official Name**: potassium calcium-activated channel subfamily M regulatory beta subunit 4 * **Aliases and Previous Symbols**: N/A * **Entrez ID**: [[https://www.ncbi.nlm.nih.gov/gene/?term=27345|27345]] * **UniProt**: [[https://www.uniprot.org/uniprot/Q86W47|Q86W47]] * **Interactions**: [[https://thebiogrid.org/search.php?search=KCNMB4&organism=9606|BioGRID]] * **PubMed articles**: [[https://www.ncbi.nlm.nih.gov/pubmed/?term=gene%20KCNMB4|Open PubMed]] * **OMIM**: [[https://omim.org/entry/605223|Open OMIM]] == Function Summary == * **Entrez Summary**: N/A * **UniProt Summary**: Regulatory subunit of the calcium activated potassium KCNMA1 (maxiK) channel. Modulates the calcium sensitivity and gating kinetics of KCNMA1, thereby contributing to KCNMA1 channel diversity. Decreases the gating kinetics and calcium sensitivity of the KCNMA1 channel, but with fast deactivation kinetics. May decrease KCNMA1 channel openings at low calcium concentrations but increases channel openings at high calcium concentrations. Makes KCNMA1 channel resistant to 100 nM charybdotoxin (CTX) toxin concentrations. {ECO:0000269|PubMed:10692449, ECO:0000269|PubMed:10792058, ECO:0000269|PubMed:10828459}. |CaKB| |detection of calcium ion| |calcium-activated potassium channel activity| |neuronal action potential| |potassium channel regulator activity| |transmission of nerve impulse| |regulation of vasoconstriction| |voltage-gated potassium channel complex| |action potential| |regulation of neurotransmitter secretion| |multicellular organismal signaling| |regulation of blood vessel diameter| |regulation of tube diameter| |regulation of tube size| |regulation of neurotransmitter transport| |response to calcium ion| |potassium ion transmembrane transport| |potassium ion transport| |vascular process in circulatory system| |regulation of blood circulation| |regulation of neurotransmitter levels| |response to metal ion| |blood circulation| |circulatory system process| |monovalent inorganic cation transport| |chemical synaptic transmission| |anterograde trans-synaptic signaling| |regulation of membrane potential| |trans-synaptic signaling| |modulation of chemical synaptic transmission| |regulation of trans-synaptic signaling| |synaptic signaling| |regulation of anatomical structure size| |detection of chemical stimulus| |response to inorganic substance| |inorganic cation transmembrane transport| |regulation of system process| |cation transmembrane transport| |metal ion transport| |inorganic ion transmembrane transport| |detection of stimulus| |regulation of secretion by cell| |regulation of secretion| |cation transport| |regulation of cellular localization| |ion transmembrane transport| |cell-cell signaling| |transmembrane transport| |ion transport| |nervous system process| |integral component of plasma membrane| |regulation of transport| |system process| \\ === CRISPR Data === No hits were found. 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**: 18839 * **Expression level (log2 read counts)**: 1.61 {{:chemogenomics:nalm6 dist.png?nolink |}}