Protein Domain : IPR006046

Type:  Family Name:  Alpha amylase
Description:  O-Glycosyl hydrolases () are a widespread group of enzymes that hydrolyse the glycosidic bond between two or more carbohydrates, or between a carbohydrate and a non-carbohydrate moiety. A classification system for glycosyl hydrolases, based on sequence similarity, has led to the definition of 85 different families [, ]. This classification is available on the CAZy (CArbohydrate-Active EnZymes) web site.Alpha-amylases, which belong to glycoside hydrolase family 13, are 1,4-alpha-D-glucan glucanohydrolases, which degrade both the branched and unbranched forms of starch by cleaving the internal alpha-1,4 bonds connecting the glucose monomers. The products ofthese reactions are maltose and maltotriose, which are further degraded to glucose by maltases. One atom of calcium is required to bind to each proteinmolecule to allow it to function, but excess calcium can inhibit activity by binding to amino acids that are required for the catalytic activityof the enzyme. Short Name:  Alpha_amylase
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1 Child Features

DB identifier Type Name
IPR013775 Family Alpha-amylase, plant

9 Contains

DB identifier Type Name
IPR017853 Domain Glycoside hydrolase superfamily
IPR013780 Domain Glycosyl hydrolase, family 13, all-beta
IPR013781 Domain Glycoside hydrolase, catalytic domain
IPR006047 Domain Glycosyl hydrolase, family 13, catalytic domain
IPR006589 Domain Glycosyl hydrolase, family 13, subfamily, catalytic domain
IPR006048 Domain Alpha-amylase/branching enzyme, C-terminal all beta
IPR012850 Domain Alpha-amylase, C-terminal beta-sheet
IPR015261 Domain 4-alpha-glucanotransferase, C-terminal
IPR015165 Domain Domain of unknown function DUF1921

1 Cross References

Identifier
PR00110

0 Found In

3 GO Annotations

GO Term Gene Name
GO:0003824 IPR006046
GO:0043169 IPR006046
GO:0005975 IPR006046

3 Ontology Annotations

GO Term Gene Name
GO:0003824 IPR006046
GO:0043169 IPR006046
GO:0005975 IPR006046

1 Parent Features

DB identifier Type Name
IPR015902 Family Glycoside hydrolase, family 13

968 Proteins

DB identifier UniProt Accession Secondary Identifier Organism Name Length
97625 D8RMH8 PAC:15412206 Selaginella moellendorffii 407  
404058 D8QU53 PAC:15407035 Selaginella moellendorffii 489  
79072 D8QV30 PAC:15421366 Selaginella moellendorffii 503  
evm.model.supercontig_49.17 PAC:16421083 Carica papaya 423  
evm.model.supercontig_49.22 PAC:16421089 Carica papaya 419  
evm.model.supercontig_5.271 PAC:16421386 Carica papaya 751  
30170.m013877 B9R7C5 PAC:16821721 Ricinus communis 422  
30170.m013878 B9R7C6 PAC:16821722 Ricinus communis 1113  
30170.m014309 B9R8H8 PAC:16822142 Ricinus communis 398  
Cucsa.271900.1 PAC:16973625 Cucumis sativus 413  
Cucsa.271900.2 A0A0A0L5R6 PAC:16973626 Cucumis sativus 410  
Cucsa.285330.2 PAC:16974826 Cucumis sativus 760  
orange1.1g045962m A0A067FFH2 PAC:18122827 Citrus sinensis 423  
orange1.1g003613m A0A067GSW7 PAC:18102199 Citrus sinensis 807  
orange1.1g006158m A0A067H5I6 PAC:18102202 Citrus sinensis 658  
orange1.1g003698m A0A067GVU6 PAC:18102200 Citrus sinensis 802  
orange1.1g014447m A0A067GX71 PAC:18092123 Citrus sinensis 424  
orange1.1g018278m A0A067GZW1 PAC:18092124 Citrus sinensis 358  
orange1.1g018833m A0A067H9D2 PAC:18092125 Citrus sinensis 350  
orange1.1g014892m A0A067HBB3 PAC:18092130 Citrus sinensis 416  
orange1.1g015125m A0A067HB02 PAC:18092131 Citrus sinensis 413  
orange1.1g021281m A0A067GZ41 PAC:18092132 Citrus sinensis 314  
AT4G25000.1 Q8VZ56 PAC:19649021 Arabidopsis thaliana 423  
AT1G76130.1 Q8LFG1 PAC:19656001 Arabidopsis thaliana 413  
Thhalv10018632m V4JQP7 PAC:20191042 Eutrema salsugineum 413  
Thhalv10018631m V4JQP7 PAC:20191041 Eutrema salsugineum 413  
Ciclev10001348m PAC:20785534 Citrus clementina 406  
Ciclev10001266m V4V7D4 PAC:20785792 Citrus clementina 424  
Ciclev10018086m V4U1M3 PAC:20816605 Citrus clementina 404  
Ciclev10030780m V4TPT5 PAC:20802873 Citrus clementina 754  

2 Publications

First Author Title Year Journal Volume Pages PubMed ID
            7624375
            8535779