• GDP-Man:Man1GlcNAc2-PP-Dol alpha-1,3-mannosyltransferase activity • transferase activity • protein N-terminus binding • protein heterodimerization activity • transferase activity, transferring glycosyl groups • protein binding • calcium-dependent protein binding • alpha-1,3-mannosyltransferase activity • GDP-Man:Man2GlcNAc2-PP-dolichol alpha-1,6-mannosyltransferase activity
Cellular component
• cytoplasm • integral component of membrane • cell nucleus • membrane • perinuclear region of cytoplasm • endoplasmic reticulum membrane
Biological process
• response to calcium ion • protein glycosylation in endoplasmic reticulum • protein glycosylation • dolichol-linked oligosaccharide biosynthetic process • mannosylation
Sources:Amigo / QuickGO
Orthologs
Species
Human
Mouse
Entrez
85365
56737
Ensembl
ENSG00000119523
ENSMUSG00000039740
UniProt
Q9H553
Q9DBE8
RefSeq (mRNA)
NM_033087 NM_197973
NM_019998 NM_001355496
RefSeq (protein)
NP_149078
NP_064382 NP_001342425
Location (UCSC)
Chr 9: 99.22 – 99.22 Mb
Chr 4: 47.47 – 47.47 Mb
PubMed search
[3]
[4]
Wikidata
View/Edit Human
View/Edit Mouse
Alpha-1,3-mannosyltransferase ALG2 is an enzyme that is encoded by the ALG2 gene.[5] Mutations in the human gene are associated with congenital defects in glycosylation [6][7]
Contents
1Function
2Interactions
3References
4Further reading
5External links
Function[edit]
This gene encodes a member of the glycosyltransferase 1 family. The encoded protein acts as an alpha 1,3 mannosyltransferase, mannosylating Man(2)GlcNAc(2)-dolichol diphosphate and Man(1)GlcNAc(2)-dolichol diphosphate to form Man(3)GlcNAc(2)-dolichol diphosphate. Defects in this gene have been associated with congenital disorder of glycosylation type Ih (CDG-Ii).[7]
Interactions[edit]
ALG2 has been shown to interact with ANXA7[8] and ANXA11.[8]
References[edit]
^ abcGRCh38: Ensembl release 89: ENSG00000119523 - Ensembl, May 2017
^ abcGRCm38: Ensembl release 89: ENSMUSG00000039740 - Ensembl, May 2017
^Jackson BJ, Kukuruzinska MA, Robbins P (August 1993). "Biosynthesis of asparagine-linked oligosaccharides in Saccharomyces cerevisiae: the alg2 mutation". Glycobiology. 3 (4): 357–64. doi:10.1093/glycob/3.4.357. PMID 8400550.
^Thiel C, Schwarz M, Peng J, Grzmil M, Hasilik M, Braulke T, Kohlschütter A, von Figura K, Lehle L, Körner C (June 2003). "A new type of congenital disorders of glycosylation (CDG-Ii) provides new insights into the early steps of dolichol-linked oligosaccharide biosynthesis". The Journal of Biological Chemistry. 278 (25): 22498–505. doi:10.1074/jbc.M302850200. PMID 12684507.
^ abSatoh H, Nakano Y, Shibata H, Maki M (November 2002). "The penta-EF-hand domain of ALG-2 interacts with amino-terminal domains of both annexin VII and annexin XI in a Ca2+-dependent manner". Biochimica et Biophysica Acta. 1600 (1–2): 61–7. doi:10.1016/S1570-9639(02)00445-4. PMID 12445460.
Jaeken J (2005). "Congenital disorders of glycosylation (CDG): update and new developments". Journal of Inherited Metabolic Disease. 27 (3): 423–6. doi:10.1023/B:BOLI.0000031221.44647.9e. PMID 15272470.
Jaeken J, Carchon H (August 2004). "Congenital disorders of glycosylation: a booming chapter of pediatrics". Current Opinion in Pediatrics. 16 (4): 434–9. doi:10.1097/01.mop.0000133636.56790.4a. PMID 15273506.
Satoh H, Shibata H, Nakano Y, Kitaura Y, Maki M (March 2002). "ALG-2 interacts with the amino-terminal domain of annexin XI in a Ca(2+)-dependent manner". Biochemical and Biophysical Research Communications. 291 (5): 1166–72. doi:10.1006/bbrc.2002.6600. PMID 11883939. NB ALG-2 is NOT the protein product of the ALG2 gene.
Satoh H, Nakano Y, Shibata H, Maki M (November 2002). "The penta-EF-hand domain of ALG-2 interacts with amino-terminal domains of both annexin VII and annexin XI in a Ca2+-dependent manner". Biochimica et Biophysica Acta. 1600 (1–2): 61–7. doi:10.1016/S1570-9639(02)00445-4. PMID 12445460. NB ALG-2 is NOT the protein product of the ALG2 gene.
Hansen C, Tarabykina S, la Cour JM, Lollike K, Berchtold MW (June 2003). "The PEF family proteins sorcin and grancalcin interact in vivo and in vitro". FEBS Letters. 545 (2–3): 151–4. doi:10.1016/S0014-5793(03)00518-0. PMID 12804766.
Shibata H, Yamada K, Mizuno T, Yorikawa C, Takahashi H, Satoh H, Kitaura Y, Maki M (January 2004). "The penta-EF-hand protein ALG-2 interacts with a region containing PxY repeats in Alix/AIP1, which is required for the subcellular punctate distribution of the amino-terminal truncation form of Alix/AIP1". Journal of Biochemistry. 135 (1): 117–28. doi:10.1093/jb/mvh014. PMID 14999017. NB ALG-2 is NOT the protein product of the ALG2 gene.
Katoh K, Suzuki H, Terasawa Y, Mizuno T, Yasuda J, Shibata H, Maki M (November 2005). "The penta-EF-hand protein ALG-2 interacts directly with the ESCRT-I component TSG101, and Ca2+-dependently co-localizes to aberrant endosomes with dominant-negative AAA ATPase SKD1/Vps4B". The Biochemical Journal. 391 (Pt 3): 677–85. doi:10.1042/BJ20050398. PMC 1276969. PMID 16004603. NB ALG-2 is NOT the protein product of the ALG2 gene.
Otsuki T, Ota T, Nishikawa T, Hayashi K, Suzuki Y, Yamamoto J, Wakamatsu A, Kimura K, Sakamoto K, Hatano N, Kawai Y, Ishii S, Saito K, Kojima S, Sugiyama T, Ono T, Okano K, Yoshikawa Y, Aotsuka S, Sasaki N, Hattori A, Okumura K, Nagai K, Sugano S, Isogai T (2007). "Signal sequence and keyword trap in silico for selection of full-length human cDNAs encoding secretion or membrane proteins from oligo-capped cDNA libraries". DNA Research. 12 (2): 117–26. doi:10.1093/dnares/12.2.117. PMID 16303743.
Draeby I, Woods YL, la Cour JM, Mollerup J, Bourdon JC, Berchtold MW (November 2007). "The calcium binding protein ALG-2 binds and stabilizes Scotin, a p53-inducible gene product localized at the endoplasmic reticulum membrane". Archives of Biochemistry and Biophysics. 467 (1): 87–94. doi:10.1016/j.abb.2007.07.028. PMC 2691584. PMID 17889823. NB ALG-2 is NOT the protein product of the ALG2 gene.
External links[edit]
GeneReviews/NCBI/NIH/UW entry on Congenital Disorders of Glycosylation Overview
Human ALG2 genome location and ALG2 gene details page in the UCSC Genome Browser.
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