Pancreatic alpha-amylase

NamePancreatic alpha-amylase
Synonyms
  • 1,4-alpha-D-glucan glucanohydrolase
  • 3.2.1.1
  • PA
Gene NameAMY2A
OrganismHuman
Amino acid sequence
>lcl|BSEQ0005176|Pancreatic alpha-amylase
MKFFLLLFTIGFCWAQYSPNTQQGRTSIVHLFEWRWVDIALECERYLAPKGFGGVQVSPP
NENVAIYNPFRPWWERYQPVSYKLCTRSGNEDEFRNMVTRCNNVGVRIYVDAVINHMCGN
AVSAGTSSTCGSYFNPGSRDFPAVPYSGWDFNDGKCKTGSGDIENYNDATQVRDCRLTGL
LDLALEKDYVRSKIAEYMNHLIDIGVAGFRLDASKHMWPGDIKAILDKLHNLNSNWFPAG
SKPFIYQEVIDLGGEPIKSSDYFGNGRVTEFKYGAKLGTVIRKWNGEKMSYLKNWGEGWG
FVPSDRALVFVDNHDNQRGHGAGGASILTFWDARLYKMAVGFMLAHPYGFTRVMSSYRWP
RQFQNGNDVNDWVGPPNNNGVIKEVTINPDTTCGNDWVCEHRWRQIRNMVIFRNVVDGQP
FTNWYDNGSNQVAFGRGNRGFIVFNNDDWSFSLTLQTGLPAGTYCDVISGDKINGNCTGI
KIYVSDDGKAHFSISNSAEDPFIAIHAESKL
Number of residues511
Molecular Weight57706.51
Theoretical pI7.05
GO Classification
Functions
  • calcium ion binding
  • alpha-amylase activity
  • chloride ion binding
Processes
  • carbohydrate catabolic process
  • small molecule metabolic process
  • carbohydrate metabolic process
  • polysaccharide digestion
Components
  • extracellular region
  • extracellular space
  • extracellular exosome
General FunctionChloride ion binding
Specific FunctionNot Available
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein IDNot Available
UniProtKB IDP04746
UniProtKB Entry NameAMYP_HUMAN
Cellular LocationSecreted
Gene sequence
>lcl|BSEQ0011869|Pancreatic alpha-amylase (AMY2A)
ATGAAGTTCTTTCTGTTGCTTTTCACCATTGGGTTCTGCTGGGCTCAGTATTCCCCAAAT
ACACAACAAGGACGGACATCTATTGTTCATCTGTTTGAATGGCGATGGGTTGATATTGCT
CTTGAATGTGAGCGATATTTAGCTCCGAAGGGATTTGGAGGGGTTCAGGTCTCTCCACCA
AATGAAAATGTTGCAATTTACAACCCTTTCAGACCTTGGTGGGAAAGATACCAACCAGTT
AGCTATAAATTATGCACAAGATCTGGAAATGAAGATGAATTTAGAAACATGGTGACTAGA
TGTAACAATGTTGGGGTTCGTATTTATGTGGATGCTGTAATTAATCATATGTGTGGTAAC
GCTGTGAGTGCAGGAACAAGCAGTACCTGTGGAAGTTACTTCAACCCTGGAAGTAGGGAC
TTTCCAGCAGTCCCATATTCTGGATGGGATTTCAATGATGGTAAATGTAAAACTGGAAGT
GGAGATATCGAGAACTACAATGATGCTACTCAGGTCAGAGATTGTCGTCTGACTGGTCTT
CTTGATCTTGCACTGGAGAAGGATTACGTGCGTTCTAAGATTGCCGAATATATGAACCAT
CTCATTGACATTGGTGTTGCAGGGTTCAGACTTGATGCTTCCAAGCACATGTGGCCTGGA
GACATAAAGGCAATTTTGGACAAACTGCATAATCTAAACAGTAACTGGTTCCCTGCAGGA
AGTAAACCTTTCATTTACCAGGAGGTAATTGATCTGGGTGGTGAGCCAATTAAAAGCAGT
GACTACTTTGGTAATGGCCGGGTGACAGAATTCAAGTATGGTGCAAAACTCGGCACAGTT
ATTCGCAAGTGGAATGGAGAGAAGATGTCTTACTTAAAGAACTGGGGAGAAGGTTGGGGT
TTCGTACCTTCTGACAGAGCGCTTGTCTTTGTGGATAACCATGACAATCAACGAGGACAT
GGGGCTGGAGGAGCCTCTATTCTTACCTTCTGGGATGCTAGGCTGTACAAAATGGCAGTT
GGATTTATGCTTGCTCATCCTTACGGATTTACACGAGTAATGTCAAGCTACCGTTGGCCA
AGACAGTTTCAAAATGGAAACGATGTTAATGATTGGGTTGGGCCACCAAATAATAATGGA
GTAATTAAAGAAGTTACTATTAATCCAGACACTACTTGTGGCAATGACTGGGTCTGTGAA
CATCGATGGCGCCAAATAAGGAACATGGTTATTTTCCGCAATGTAGTGGATGGCCAGCCT
TTTACAAATTGGTATGATAATGGGAGCAACCAAGTGGCTTTTGGGAGAGGAAACAGAGGA
TTCATTGTTTTCAACAATGATGACTGGTCATTTTCTTTAACTTTGCAAACTGGTCTTCCT
GCTGGCACATACTGTGATGTCATTTCTGGAGATAAAATTAATGGCAATTGCACAGGCATT
AAAATTTACGTTTCTGATGATGGCAAAGCTCATTTTTCTATTAGTAACTCTGCTGAAGAT
CCATTTATTGCAATTCATGCTGAATCTAAATTGTAA
GenBank Gene IDM18785
GeneCard IDNot Available
GenAtlas IDAMY2A
HGNC IDHGNC:477
Chromosome Location1
Locus1p21
References
  1. Nishide T, Emi M, Nakamura Y, Matsubara K: Corrected sequences of cDNAs for human salivary and pancreatic alpha-amylases [corrected]. Gene. 1984 May;28(2):263-70. 6610603
  2. Horii A, Emi M, Tomita N, Nishide T, Ogawa M, Mori T, Matsubara K: Primary structure of human pancreatic alpha-amylase gene: its comparison with human salivary alpha-amylase gene. Gene. 1987;60(1):57-64. 2450054
  3. Wise RJ, Karn RC, Larsen SH, Hodes ME, Gardell SJ, Rutter WJ: A complementary DNA sequence that predicts a human pancreatic amylase primary structure consistent with the electrophoretic mobility of the common isozyme, Amy2 A. Mol Biol Med. 1984 Oct;2(5):307-22. 6336237
  4. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. 15489334
  5. Groot PC, Bleeker MJ, Pronk JC, Arwert F, Mager WH, Planta RJ, Eriksson AW, Frants RR: Human pancreatic amylase is encoded by two different genes. Nucleic Acids Res. 1988 May 25;16(10):4724. 3260028
  6. Gumucio DL, Wiebauer K, Caldwell RM, Samuelson LC, Meisler MH: Concerted evolution of human amylase genes. Mol Cell Biol. 1988 Mar;8(3):1197-205. 2452973
  7. Qian M, Haser R, Buisson G, Duee E, Payan F: The active center of a mammalian alpha-amylase. Structure of the complex of a pancreatic alpha-amylase with a carbohydrate inhibitor refined to 2.2-A resolution. Biochemistry. 1994 May 24;33(20):6284-94. 8193143
  8. Brayer GD, Luo Y, Withers SG: The structure of human pancreatic alpha-amylase at 1.8 A resolution and comparisons with related enzymes. Protein Sci. 1995 Sep;4(9):1730-42. 8528071
  9. Rydberg EH, Sidhu G, Vo HC, Hewitt J, Cote HC, Wang Y, Numao S, MacGillivray RT, Overall CM, Brayer GD, Withers SG: Cloning, mutagenesis, and structural analysis of human pancreatic alpha-amylase expressed in Pichia pastoris. Protein Sci. 1999 Mar;8(3):635-43. 10091666
  10. Brayer GD, Sidhu G, Maurus R, Rydberg EH, Braun C, Wang Y, Nguyen NT, Overall CM, Withers SG: Subsite mapping of the human pancreatic alpha-amylase active site through structural, kinetic, and mutagenesis techniques. Biochemistry. 2000 Apr 25;39(16):4778-91. 10769135
  11. Numao S, Maurus R, Sidhu G, Wang Y, Overall CM, Brayer GD, Withers SG: Probing the role of the chloride ion in the mechanism of human pancreatic alpha-amylase. Biochemistry. 2002 Jan 8;41(1):215-25. 11772019
  12. Rydberg EH, Li C, Maurus R, Overall CM, Brayer GD, Withers SG: Mechanistic analyses of catalysis in human pancreatic alpha-amylase: detailed kinetic and structural studies of mutants of three conserved carboxylic acids. Biochemistry. 2002 Apr 2;41(13):4492-502. 11914097