Gene: AT3G52180 (Arabidopsis thaliana)

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Gene Identifier
AT3G52180
Transcript Identifier
AT3G52180.1
Gene Type
Coding gene
Location
Chr3 : 19349884-19353459 : negative

Family

Gene family
HOM04M002059
(77 genes in 28 species)
specific family
Subfamily
ORTHO04M006289
(37 genes in 26 species)
specific family

Descriptions

Description
dual specificity protein phosphatase (DsPTP1) family protein
Curated Summary
Encodes a plant-specific glucan phosphatase that contains a noncatalytic carbohydrate-binding module as well as a dual specificity protein phosphatase domain. SEX4 can dephosphorylate C6- and C3-glucosyl residues on native starch grains and related maltodextrin compounds in vitro. This protein interacts with the plant SnRK AKIN11, binds starch, and is localized in the chloroplast. sex4 mutants have elevated levels of starch.
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Identifiers

Type Value
AliasATPTPKIS1,ATSEX4,DSP4,DUAL-SPECIFICITY PROTEIN PHOSPHATASE 4
full_nameSTARCH-EXCESS 4
symbolSEX4
tidAT3G52180.1
UniProtQ9FEB5

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Biological Process

GO termEvidence(s)ProviderDescriptionSource
GO:0005982 IEA, IMP, TAS, UniProtstarch metabolic process1 2 3
GO:0007623 IEAUniProtcircadian rhythm1
GO:0016311 IEAInterProdephosphorylation
GO:0006470 IEA, ISSGene Ontologyprotein dephosphorylation1 2
GO:0005983 IDA, IMP, UniProtstarch catabolic process1

Molecular Function

GO termEvidence(s)ProviderDescriptionSource
GO:0019203 IDA, IEA, UniProtcarbohydrate phosphatase activity1 2
GO:0008138 IEA, ISS, UniProtprotein tyrosine/serine/threonine phosphatase activity1 2
GO:0016791 IEAInterProphosphatase activity
GO:0005515 IPIGene Ontologyprotein binding1
GO:0030247 IDAUniProtpolysaccharide binding1
GO:2001066 IDAUniProtamylopectin binding

Cellular Component

GO termEvidence(s)ProviderDescriptionSource
GO:0005737 ISMGene Ontologycytoplasm1
GO:0009507 IDAUniProtchloroplast1
GO:0009570 IDAUniProtchloroplast stroma1

Color Legend

Experimental Evidence
Electronic Evidence
Computational Reviewed Evidence
GO Sources:   Primary     Orthology     Homology  
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InterPro Description
IPR029021Protein-tyrosine phosphatase-like
IPR013783Immunoglobulin-like fold
IPR030079Phosphoglucan phosphatase DSP4
IPR000340Dual specificity phosphatase, catalytic domain
IPR032640AMP-activated protein kinase, glycogen-binding domain
IPR000387Tyrosine specific protein phosphatases domain
IPR014756Immunoglobulin E-set

Mapman id Description
3.2.3.2.1.Carbohydrate metabolism.starch metabolism.degradation.dephosphorylation.phosphoglucan phosphatase (SEX4)
No SignalP domains detected for this gene.