Gene: AT2G39930 (Arabidopsis thaliana)

Overview top

Gene Identifier
AT2G39930
Transcript Identifier
AT2G39930.1
Gene Type
Coding gene
Location
2 : 16666078-16672183 : positive

Family

Gene family
HOM03M001360
(55 genes in 16 species)
specific family
Subfamily
ORTHO03M007189
(5 genes in 5 species)
specific family

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Descriptions

Description
isoamylase 1
Curated Summary
Encodes an isoamylase-type debranching enzyme. Mutations in this gene cause the loss of detectable isoamylase activity and the disruption of normal starch structure. Mutants have reduced starch content and abnormally structured amylopectins and phytoglycogens. It has been postulated that AtISA1 interacts with AtISA2 to form the Iso1 complex.
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Identifiers

Identifier Name
aliasisoamylase 1
aliasATISA1
aliasISA1
aliasARABIDOPSIS THALIANA ISOAMYLASE 1
uniprotO04196

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Biological Process

GO termEvidence(s)ProviderDescriptionSource
GO:0005975ISS, IEAGene Ontologycarbohydrate metabolic process1
GO:0010021IMPUniProtamylopectin biosynthetic process1 2 3 4 5 6 7 8
GO:0000023RCAGene Ontologymaltose metabolic process1
GO:0019252IEA, RCAUniProtstarch biosynthetic process1 2 3 4 5 6 7 8
GO:0043085RCAGene Ontologypositive regulation of catalytic activity1

Molecular Function

GO termEvidence(s)ProviderDescriptionSource
GO:0004556ISSGene Ontologyalpha-amylase activity1
GO:0019156IDA, IMP, UniProtisoamylase activity1 2 3 4 5 6 7 8 9
GO:0043169IEAUniProtcation binding1 2 3 4 5 6 7
GO:0003824IEAInterProcatalytic activity
GO:0004553IEAInterProhydrolase activity, hydrolyzing O-glycosyl compounds

Cellular Component

GO termEvidence(s)ProviderDescriptionSource
GO:0009507IDA, ISMGene Ontologychloroplast1 2
GO:0010368IDAUniProtchloroplast isoamylase complex1 2 3 4 5 6 7 8

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Experimental Evidence
Electronic Evidence
Computational Reviewed Evidence
GO Sources:   Primary     Orthology     Homology  
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InterPro Description
IPR006589Glycosyl hydrolase, family 13, subfamily, catalytic domain
IPR013780Glycosyl hydrolase, family 13, all-beta
IPR017853Glycoside hydrolase, superfamily
IPR013781Glycoside hydrolase, catalytic domain
IPR014756Immunoglobulin E-set
IPR015902Glycoside hydrolase, family 13
IPR006047Glycosyl hydrolase, family 13, catalytic domain
IPR004193Glycoside hydrolase, family 13, N-terminal
IPR013783Immunoglobulin-like fold

Mapman id Description
2.1.2.4major CHO metabolism.synthesis.starch.debranching
No SignalP domains detected for this gene.