Gene: AT4G20910 (Arabidopsis thaliana)

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Gene Identifier
AT4G20910
Transcript Identifier
AT4G20910.2
Gene Type
Coding gene
Location
Chr4 : 11186264-11190575 : negative

Family

Gene family
HOM04M003611
(47 genes in 28 species)
specific family
Duplication type
Tandem duplicate

Descriptions

Description
double-stranded RNA binding protein-related / DsRBD protein-like protein
Curated Summary
Encodes an enhancer of hua1 and hua2 tha acts to specify reproductive organ identities and to repress A gene function. HEN1 also shares AG's non-homeotic function in controlling floral determinacy. Mutants display corymb-like inflorescences. HEN1 is a methyltransferase that methylates miRNAs and siRNAs on the ribose of the last nucleotide. The 3'-end methylation probably protects the 3' ends of the small RNAs from uridylation.
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Identifiers

Type Value
AliasCRM2,CORYMBOSA 2
full_nameHUA ENHANCER 1
symbolHEN1
tidAT4G20910.2
UniProtQ9C5Q8

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Biological Process

GO termEvidence(s)ProviderDescriptionSource
GO:0001510 IEAGene OntologyRNA methylation1
GO:0035196 IMP, NAS, UniProtproduction of miRNAs involved in gene silencing by miRNA1 2
GO:0010093 IMPUniProtspecification of floral organ identity1
GO:0009909 IMPUniProtregulation of flower development1
GO:0035279 IMPUniProtmRNA cleavage involved in gene silencing by miRNA1
GO:0009616 IMPUniProtvirus induced gene silencing1
GO:0030422 IGIGene Ontologyproduction of siRNA involved in RNA interference1
GO:0010305 IMPUniProtleaf vascular tissue pattern formation1
GO:0010589 IMPUniProtleaf proximal/distal pattern formation1

Molecular Function

GO termEvidence(s)ProviderDescriptionSource
GO:0008171 IEAUniProtO-methyltransferase activity1
GO:0008173 IDA, IMP, IEA, UniProtRNA methyltransferase activity1 2
GO:0003723 IEAUniProtRNA binding1
GO:0046872 IEAUniProtmetal ion binding1

Cellular Component

GO termEvidence(s)ProviderDescriptionSource
GO:0005737 IDA, ISM, UniProtcytoplasm1 2
GO:0005634 IDAUniProtnucleus1

Color Legend

Experimental Evidence
Electronic Evidence
Computational Reviewed Evidence
GO Sources:   Primary     Orthology     Homology  
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InterPro Description
IPR0266103'-RNA ribose 2'-O-methyltransferase, Hen1
IPR025714Methyltransferase domain
IPR006630La-type HTH domain
IPR029063S-adenosyl-L-methionine-dependent methyltransferase

Mapman id Description
16.10.4.RNA processing.mRNA silencing.miRNA/siRNA methyltransferase (HEN1)
No SignalP domains detected for this gene.