Gene: AT3G17040 (Arabidopsis thaliana)

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Gene Identifier
AT3G17040
Transcript Identifier
AT3G17040.3
Gene Type
Coding gene
Location
Chr3 : 5810476-5812605 : negative

Family

Gene family
HOM04M003502
(49 genes in 29 species)
specific family

Descriptions

Description
high chlorophyll fluorescent 107
Curated Summary
It is a RNA tetratricopeptide repeat-containing protein required for normal processing of transcripts from the polycistronic chloroplast psbB-psbT-psbH-petB-petD operon coding for proteins of the photosystem II and cytochrome b6/f complexes. Localizes to the chloroplast membrane. Involved in regulating plastidial gene expression and biogenesis. It binds in the psbT?psbH intercistronic region and blocks the progression of 5′ → 3′ exoribonucleases, which defines the 5′ end of processed psbH transcripts and also stabilizes the downstream RNA segment. In addition, HCF107 binding remodels the structure of the psbH 5′ UTR in a way that can account for its ability to enhance psbH translation.
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Identifiers

Type Value
symbolHCF107
tidAT3G17040.3

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Biological Process

GO termEvidence(s)ProviderDescriptionSource
GO:0006396 IEA, IMP, UniProtRNA processing1 2
GO:0006417 IMPUniProtregulation of translation1
GO:0009657 IMPUniProtplastid organization1
GO:0010114 IEPUniProtresponse to red light1 2
GO:1901918 IDAUniProtnegative regulation of exoribonuclease activity1
GO:0006397 IMPUniProtmRNA processing1 2

Molecular Function

GO termEvidence(s)ProviderDescriptionSource
GO:0005515 IEAInterProprotein binding
GO:0003727 IDAUniProtsingle-stranded RNA binding1
GO:0043621 IDAUniProtprotein self-association1

Cellular Component

GO termEvidence(s)ProviderDescriptionSource
GO:0005634 ISMGene Ontologynucleus1
GO:0009507 IDA, ISM, UniProtchloroplast1 2
GO:0009570 IDAUniProtchloroplast stroma1
GO:0009941 IDAUniProtchloroplast envelope1
GO:0031969 IDAUniProtchloroplast membrane1
GO:0005774 IDAUniProtvacuolar membrane1

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Experimental Evidence
Electronic Evidence
Computational Reviewed Evidence
GO Sources:   Primary     Orthology     Homology  
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InterPro Description
IPR011990Tetratricopeptide-like helical domain
IPR019734Tetratricopeptide repeat
IPR013026Tetratricopeptide repeat-containing domain
IPR003107HAT (Half-A-TPR) repeat

Mapman id Description
16.12.4.5.RNA processing.organelle machinery.RNA stability.psbH/psbB-transcript stability factor (HCF107)
No SignalP domains detected for this gene.