Show pageOld revisionsBacklinksFold/unfold allBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ======= MAN1B1 ======= == Gene Information == * **<color #00a2e8>Official Symbol</color>**: MAN1B1 * **<color #00a2e8>Official Name</color>**: mannosidase alpha class 1B member 1 * **<color #00a2e8>Aliases and Previous Symbols</color>**: N/A * **<color #00a2e8>Entrez ID</color>**: [[https://www.ncbi.nlm.nih.gov/gene/?term=11253|11253]] * **<color #00a2e8>UniProt</color>**: [[https://www.uniprot.org/uniprot/Q9UKM7|Q9UKM7]] * **<color #00a2e8>Interactions</color>**: [[https://thebiogrid.org/search.php?search=MAN1B1&organism=9606|BioGRID]] * **<color #00a2e8>PubMed articles</color>**: [[https://www.ncbi.nlm.nih.gov/pubmed/?term=gene%20MAN1B1|Open PubMed]] * **<color #00a2e8>OMIM</color>**: [[https://omim.org/entry/604346|Open OMIM]] == Function Summary == * **<color #00a2e8>Entrez Summary</color>**: This gene encodes an enzyme belonging to the glycosyl hydrolase 47 family. This enzyme functions in N-glycan biosynthesis, and is a class I alpha-1,2-mannosidase that specifically converts Man9GlcNAc to Man8GlcNAc isomer B. It is required for N-glycan trimming to Man5-6GlcNAc2 in the endoplasmic-reticulum-associated degradation pathway. Mutations in this gene cause autosomal-recessive intellectual disability. Alternative splicing results in multiple transcript variants. A related pseudogene has been identified on chromosome 11. [provided by RefSeq, Dec 2011]. * **<color #00a2e8>UniProt Summary</color>**: Involved in glycoprotein quality control targeting of misfolded glycoproteins for degradation. It primarily trims a single alpha-1,2-linked mannose residue from Man(9)GlcNAc(2) to produce Man(8)GlcNAc(2), but at high enzyme concentrations, as found in the ER quality control compartment (ERQC), it further trims the carbohydrates to Man(5-6)GlcNAc(2). {ECO:0000269|PubMed:12090241, ECO:0000269|PubMed:18003979}. <button type='primary' size='sm' modal='Pfam_Domains'>Pfam Domains</button> <button type='primary' size='sm' modal='GO_terms'>GO Terms</button> <modal id='Pfam_Domains' size='lg' title='Pfam Domains'> |Glyco hydro 47| </modal> <modal id='GO_terms' size='lg' title='GO Terms'> |trimming of terminal mannose on B branch| |trimming of second mannose on A branch| |trimming of first mannose on A branch| |trimming of terminal mannose on C branch| |ubiquitin-dependent glycoprotein ERAD pathway| |protein deglycosylation involved in glycoprotein catabolic process| |mannose trimming involved in glycoprotein ERAD pathway| |response to glycoprotein| |mannosyl-oligosaccharide 1,2-alpha-mannosidase activity| |N-glycan processing| |endoplasmic reticulum mannose trimming| |protein alpha-1,2-demannosylation| |protein demannosylation| |glycoprotein catabolic process| |endoplasmic reticulum quality control compartment| |protein deglycosylation| |oligosaccharide metabolic process| |extracellular vesicle| |ubiquitin-dependent ERAD pathway| |ERAD pathway| |carbohydrate derivative catabolic process| |macromolecule glycosylation| |protein glycosylation| |response to endoplasmic reticulum stress| |glycosylation| |glycoprotein biosynthetic process| |proteasome-mediated ubiquitin-dependent protein catabolic process| |proteasomal protein catabolic process| |glycoprotein metabolic process| |carbohydrate metabolic process| |ubiquitin-dependent protein catabolic process| |modification-dependent protein catabolic process| |modification-dependent macromolecule catabolic process| |proteolysis involved in cellular protein catabolic process| |cellular protein catabolic process| |carbohydrate derivative biosynthetic process| |protein catabolic process| |calcium ion binding| |cellular macromolecule catabolic process| |endoplasmic reticulum membrane| |Golgi apparatus| |response to organonitrogen compound| |endoplasmic reticulum| |carbohydrate derivative metabolic process| |macromolecule catabolic process| |organonitrogen compound catabolic process| |response to nitrogen compound| |proteolysis| |organonitrogen compound biosynthetic process| |response to oxygen-containing compound| |cellular response to stress| |cellular macromolecule biosynthetic process| |macromolecule biosynthetic process| |organic substance catabolic process| |cellular catabolic process| |membrane| </modal> \\ === CRISPR Data === <button type='primary' size='small' modal='Compound_Hit'>Compound Hit</button> <button type='default' size='small' modal='Most_Correlated_Genes'>Most Correlated Genes in Chemogenomics</button> <button type='primary' size='small' modal='Essential_Avana'>Tissues where Essential in the Avana Dataset (DepMap 20Q1)</button> <modal id='Compound_Hit' size='lg' title='Compound Hit'> ^Screen^Score^ |[[:results:exp505|ML-792 0.2μM R08 exp505]]|-1.82| </modal> <modal id='Most_Correlated_Genes' size='lg' title='Most Correlated Genes in Chemogenomics'> No correlation found to any other genes in chemogenomics. </modal> <modal id='Essential_Avana' size='lg' title='Tissues where Essential in the Avana Dataset (DepMap 20Q1)'> 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| </modal> == Essentiality in NALM6 == * **<color #00a2e8>Essentiality Rank</color>**: 6469 * **<color #00a2e8>Expression level (log2 read counts)</color>**: 6.21 <button type='primary' size='small' modal='Dist_expr'>Expression Distribution</button> <modal id='Dist_expr' size='lg' title='MAN1B1 Expression in NALM6 Cells: 6.21'> {{:chemogenomics:nalm6 dist.png?nolink |}} </modal> Last modified: 2025/12/10 20:19by 127.0.0.1