======= ERO1LB ======= == Gene Information == * **Official Symbol**: ERO1B * **Official Name**: endoplasmic reticulum oxidoreductase 1 beta * **Aliases and Previous Symbols**: N/A * **Entrez ID**: [[https://www.ncbi.nlm.nih.gov/gene/?term=56605|56605]] * **UniProt**: [[https://www.uniprot.org/uniprot/Q86YB8|Q86YB8]] * **Interactions**: [[https://thebiogrid.org/search.php?search=ERO1LB&organism=9606|BioGRID]] * **PubMed articles**: [[https://www.ncbi.nlm.nih.gov/pubmed/?term=gene%20ERO1LB|Open PubMed]] * **OMIM**: [[https://omim.org/entry/615437|Open OMIM]] == Function Summary == * **Entrez Summary**: N/A * **UniProt Summary**: Oxidoreductase involved in disulfide bond formation in the endoplasmic reticulum. Efficiently reoxidizes P4HB/PDI, the enzyme catalyzing protein disulfide formation, in order to allow P4HB to sustain additional rounds of disulfide formation. Other protein disulfide isomerase family members can also be reoxidized, but at lower rates compared to P4HB, including PDIA2 (50% of P4HB reoxidation rate), as well as PDIA3, PDIA4, PDIA6 and NXNDC12 (<10%). Following P4HB reoxidation, passes its electrons to molecular oxygen via FAD, leading to the production of reactive oxygen species (ROS) in the cell. May be involved in oxidative proinsulin folding in pancreatic cells, hence may play a role in glucose homeostasis. {ECO:0000269|PubMed:11707400, ECO:0000269|PubMed:21091435}. |ERO1| |insulin processing| |oxidoreductase activity, acting on a sulfur group of donors, disulfide as acceptor| |insulin metabolic process| |protein maturation by protein folding| |4-hydroxyproline metabolic process| |protein folding in endoplasmic reticulum| |protein disulfide isomerase activity| |protein disulfide oxidoreductase activity| |peptide hormone processing| |cell redox homeostasis| |oxidoreductase activity| |unfolded protein binding| |protein processing| |glucose homeostasis| |carbohydrate homeostasis| |cellular modified amino acid metabolic process| |hormone metabolic process| |alpha-amino acid metabolic process| |protein maturation| |protein folding| |cellular amino acid metabolic process| |extracellular matrix organization| |extracellular structure organization| |peptide metabolic process| |regulation of hormone levels| |cellular amide metabolic process| |cellular homeostasis| |carboxylic acid metabolic process| |endoplasmic reticulum membrane| |oxidation-reduction process| |oxoacid metabolic process| |endoplasmic reticulum| |organic acid metabolic process| |chemical homeostasis| |proteolysis| |homeostatic process| |small molecule metabolic process| |gene expression| \\ === CRISPR Data === ^Screen^Score^ |[[:results:exp344|Chlorpromazine 10μM R07 exp344]]|-1.86| ^Gene^Correlation^ |[[:human genes:h:hgc6.3|HGC6.3]]|0.443| 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**: 13805 * **Expression level (log2 read counts)**: 5.99 {{:chemogenomics:nalm6 dist.png?nolink |}}