AMY1A

AMY1A
Available structures PDB Human UniProt search: PDBe RCSB List of PDB id codes 1C8Q, 1JXJ, 1JXK, 1MFU, 1MFV, 1NM9, 1Q4N, 1SMD, 1XV8, 1Z32, 3BLK, 3BLP, 3DHP
Identifiers
Aliases	AMY1A , AMY1, amylase, alpha 1A (salivary), amylase alpha 1A (salivary), amylase alpha 1A
External IDs	OMIM: 104700; HomoloGene: 133998; GeneCards: AMY1A; OMA:AMY1A - orthologs
EC number	3.2.1.1
Gene location (Human) Chr. Chromosome 1 (human) [1] Band 1p21.1 Start 103,655,760 bp [1] End 103,664,554 bp [1]
RNA expression pattern Bgee Human Mouse (ortholog) Top expressed in body of pancreas testicle right uterine tube gonad olfactory zone of nasal mucosa tonsil right lobe of thyroid gland placenta left lobe of thyroid gland salivary gland n/a More reference expression data BioGPS n/a
Gene ontology Molecular function protein binding alpha-amylase activity hydrolase activity catalytic activity metal ion binding hydrolase activity, acting on glycosyl bonds cation binding Cellular component extracellular region extracellular exosome extracellular space Biological process digestion metabolism carbohydrate metabolic process Sources:Amigo / QuickGO
Orthologs Species Human Mouse Entrez 276 n/a Ensembl ENSG00000237763 n/a UniProt P04745 n/a RefSeq (mRNA) NM_004038 NM_001008221 n/a RefSeq (protein) NP_001008220 NP_001333709 NP_001008222 NP_004029 NP_001008219 n/a Location (UCSC) Chr 1: 103.66 – 103.66 Mb n/a PubMed search [2] n/a
Wikidata
View/Edit Human

Alpha-amylase 1 is an enzyme that in humans is encoded by the AMY1A gene. ^[3] This gene is found in many organisms.

Amylases are secreted proteins that hydrolyze 1,4-alpha-glucoside bonds in oligosaccharides and polysaccharides, and thus catalyze the first step in digestion of dietary starch and glycogen. The human genome has a cluster of several amylase genes that are expressed at high levels in either salivary gland or pancreas. This gene encodes an amylase isoenzyme produced by the salivary gland. Alternative splicing results in multiple transcript variants encoding the same protein. ^[3]

See also

• AMY2A
• Amylase § Evolution

References

1. GRCh38: Ensembl release 89: ENSG00000237763 – Ensembl, May 2017
2. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
3. "Entrez Gene: AMY1A amylase, alpha 1A; salivary".

External links

• Human AMY1A genome location and AMY1A gene details page in the UCSC Genome Browser .
• Overview of all the structural information available in the PDB for UniProt : P04745 (Alpha-amylase 1) at the PDBe-KB .^{[ dead link ‍]}

Further reading

• Bank RA, Hettema EH, Arwert F, et al. (1991). "Electrophoretic characterization of posttranslational modifications of human parotid salivary alpha-amylase". Electrophoresis. 12 (1): 74–9. doi:10.1002/elps.1150120114. PMID   1710976. S2CID   27328712.
• Groot PC, Mager WH, Henriquez NV, et al. (1991). "Evolution of the human alpha-amylase multigene family through unequal, homologous, and inter- and intrachromosomal crossovers". Genomics. 8 (1): 97–105. doi:10.1016/0888-7543(90)90230-R. PMID   2081604.
• Nishide T, Nakamura Y, Emi M, et al. (1986). "Primary structure of human salivary alpha-amylase gene". Gene. 41 (2–3): 299–304. doi:10.1016/0378-1119(86)90110-1. PMID   2423416.
• Davis MM, Hodes ME, Munsick RA, et al. (1986). "Pancreatic amylase expression in human pancreatic development". Hybridoma. 5 (2): 137–45. doi:10.1089/hyb.1986.5.137. PMID   2424823.
• Handy DE, Larsen SH, Karn RC, Hodes ME (1987). "Identification of a human salivary amylase gene. Partial sequence of genomic DNA suggests a mode of regulation different from that of mouse, Amy1". Mol. Biol. Med. 4 (3): 145–55. PMID   2442579.
• Horii A, Emi M, Tomita N, et al. (1988). "Primary structure of human pancreatic alpha-amylase gene: its comparison with human salivary alpha-amylase gene". Gene. 60 (1): 57–64. doi:10.1016/0378-1119(87)90213-7. hdl: 11094/36665 . PMID   2450054.
• Gumucio DL, Wiebauer K, Caldwell RM, et al. (1988). "Concerted evolution of human amylase genes". Mol. Cell. Biol. 8 (3): 1197–205. doi:10.1128/MCB.8.3.1197. PMC   363264 . PMID   2452973.
• Samuelson LC, Wiebauer K, Gumucio DL, Meisler MH (1988). "Expression of the human amylase genes: recent origin of a salivary amylase promoter from an actin pseudogene". Nucleic Acids Res. 16 (17): 8261–76. doi:10.1093/nar/16.17.8261. PMC   338557 . PMID   2458567.
• Groot PC, Bleeker MJ, Pronk JC, et al. (1989). "The human alpha-amylase multigene family consists of haplotypes with variable numbers of genes". Genomics. 5 (1): 29–42. doi:10.1016/0888-7543(89)90083-9. PMID   2788608.
• Pronk JC, Frants RR, Jansen W, et al. (1982). "Evidence of duplication of the human salivary amylase gene". Hum. Genet. 60 (1): 32–5. doi:10.1007/BF00281260. PMID   6176528. S2CID   37322144.
• Zabel BU, Naylor SL, Sakaguchi AY, et al. (1984). "High-resolution chromosomal localization of human genes for amylase, proopiomelanocortin, somatostatin, and a DNA fragment (D3S1) by in situ hybridization". Proc. Natl. Acad. Sci. U.S.A. 80 (22): 6932–6. doi: 10.1073/pnas.80.22.6932 . PMC   390100 . PMID   6196780.
• Tricoli JV, Shows TB (1984). "Regional assignment of human amylase (AMY) to p22----p21 of chromosome 1". Somat. Cell Mol. Genet. 10 (2): 205–10. doi:10.1007/BF01534909. PMID   6608795. S2CID   21230969.
• Nishide T, Emi M, Nakamura Y, Matsubara K (1984). "Corrected sequences of cDNAs for human salivary and pancreatic alpha-amylases [corrected]". Gene. 28 (2): 263–70. doi:10.1016/0378-1119(84)90265-8. PMID   6610603.
• Seyama K, Nukiwa T, Takahashi K, et al. (1994). "Amylase mRNA transcripts in normal tissues and neoplasms: the implication of different expressions of amylase isogenes". J. Cancer Res. Clin. Oncol. 120 (4): 213–20. doi:10.1007/BF01372559. PMID   7507116. S2CID   6897149.
• Ragunath C, Sundar K, Ramasubbu N (2002). "Expression, characterization, and biochemical properties of recombinant human salivary amylase". Protein Expr. Purif. 24 (2): 202–11. doi:10.1006/prep.2001.1559. PMID   11858714.
• Hokari S, Miura K, Koyama I, et al. (2002). "A restriction endonuclease assay for expression of human alpha-amylase isozymes". Clin. Chim. Acta. 322 (1–2): 113–6. doi:10.1016/S0009-8981(02)00161-4. PMID   12104089.
• Furusawa M, Taira T, Iguchi-Ariga SM, Ariga H (2003). "AMY-1 interacts with S-AKAP84 and AKAP95 in the cytoplasm and the nucleus, respectively, and inhibits cAMP-dependent protein kinase activity by preventing binding of its catalytic subunit to A-kinase-anchoring protein (AKAP) complex". J. Biol. Chem. 277 (52): 50885–92. doi: 10.1074/jbc.M206387200 . PMID   12414807.
• Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. Bibcode:2002PNAS...9916899M. doi: 10.1073/pnas.242603899 . PMC   139241 . PMID   12477932.
• Ramasubbu N, Ragunath C, Mishra PJ (2003). "Probing the role of a mobile loop in substrate binding and enzyme activity of human salivary amylase". J. Mol. Biol. 325 (5): 1061–76. doi:10.1016/S0022-2836(02)01326-8. PMID   12527308.
• Kandra L, Gyémánt G, Remenyik J, et al. (2003). "Subsite mapping of human salivary alpha-amylase and the mutant Y151M". FEBS Lett. 544 (1–3): 194–8. doi:10.1016/S0014-5793(03)00495-2. PMID   12782315. S2CID   83561963.