Names & Taxonomy

Uniprot ID:
P19961
Entry Name:
AMY2B_HUMAN
Status:
reviewed
Protein Names:
Alpha-amylase 2B (EC 3.2.1.1) (1,4-alpha-D-glucan glucanohydrolase 2B) (Carcinoid alpha-amylase)
Gene Names:
AMY2B
Gene Names Primary:
AMY2B
Organism:
Homo sapiens (Human)

Structure

Length:
511
Sequence:
MKFFLLLFTIGFCWAQYSPNTQQGRTSIVHLFEWRWVDIALECERYLAPKGFGGVQVSPPNENVAIHNPFRPWWERYQPVSYKLCTRSGNEDEFRNMVTRCNNVGVRIYVDAVINHMSGNAVSAGTSSTCGSYFNPGSRDFPAVPYSGWDFNDGKCKTGSGDIENYNDATQVRDCRLVGLLDLALEKDYVRSKIAEYMNHLIDIGVAGFRLDASKHMWPGDIKAILDKLHNLNSNWFPAGSKPFIYQEVIDLGGEPIKSSDYFGNGRVTEFKYGAKLGTVIRKWNGEKMSYLKNWGEGWGFMPSDRALVFVDNHDNQRGHGAGGASILTFWDARLYKMAVGFMLAHPYGFTRVMSSYRWPRQFQNGNDVNDWVGPPNNNGVIKEVTINPDTTCGNDWVCEHRWRQIRNMVNFRNVVDGQPFTNWYDNGSNQVAFGRGNRGFIVFNNDDWTFSLTLQTGLPAGTYCDVISGDKINGNCTGIKIYVSDDGKAHFSISNSAEDPFIAIHAESKL
Proteomes:
UP000005640

Subcellular location

Subcellular Location:
Secreted

Function

Catalytic Activity:
Endohydrolysis of (1->4)-alpha-D-glucosidic linkages in polysaccharides containing three or more (1->4)-alpha-linked D-glucose units.
Cofactor:
COFACTOR: Name=Ca(2+); Xref=ChEBI:CHEBI:29108;
Active Site:
ACT_SITE 212 212 Nucleophile.
Gene Ontology Go:
extracellular exosome
alpha-amylase activity
metal ion binding
carbohydrate metabolic process
digestion
Gene Ontology Biological Process:
carbohydrate metabolic process
digestion
Gene Ontology Molecular Function:
alpha-amylase activity
metal ion binding
Gene Ontology Cellular Component:
extracellular exosome
Keywords:
Alternative splicing
Calcium
Carbohydrate metabolism
Chloride
Complete proteome
Direct protein sequencing
Disulfide bond
Glycosidase
Hydrolase
Metal-binding
Pyrrolidone carboxylic acid
Reference proteome
Secreted
Signal

Publication

PubMed ID:
2701942 2401405 14702039 16710414 15489334 2452973 3260028 8268204