Gene: AT4G32770 (Arabidopsis thaliana)

Overview top

Gene Identifier
AT4G32770
Transcript Identifier
AT4G32770.1
Gene Type
Coding gene
Location
Chr4 : 15804981-15807790 : positive

Family Information

Homologous gene family
HOM04D004902
(75 genes in 55 species)
specific family

Descriptions

Description
tocopherol cyclase, chloroplast / vitamin E deficient 1 (VTE1) / sucrose export defective 1 (SXD1)
Curated Summary
Tocopherol cyclase involved in tocopherol (vitamin E)synthesis. VTE1 over-expressing plants have increased tocopherol indicating VTE1 is a major limiting factor in tocopherol synthesis. Mutants defective in this gene accumulate high amounts of zeaxanthin in conditions of high light or low temperature. Plays a role in the adaptation to low temperature stress, notably phloem loading.
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Identifiers

Type Value
AliasATSDX1,SUCROSE EXPORT DEFECTIVE 1
full_nameVITAMIN E DEFICIENT 1
Notetocopherol cyclase, chloroplast / vitamin E deficient 1 (VTE1) / sucrose export defective 1 (SXD1)
symbolVTE1
tidAT4G32770.1

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Biological Process

GO termEvidence(s)Provider(s)DescriptionSource(s)
GO:0010189
IDA
UniProtvitamin E biosynthetic process
GO:0010189
IDA
IEA
Gene Ontologyvitamin E biosynthetic process1 2
GO:0006979
IEP
UniProtresponse to oxidative stress
GO:0006979
IEP
Gene Ontologyresponse to oxidative stress3
GO:0009644
IEP
UniProtresponse to high light intensity
GO:0009644
IEP
Gene Ontologyresponse to high light intensity3
GO:0006631
IGI
UniProtfatty acid metabolic process
GO:0006631
IGI
Gene Ontologyfatty acid metabolic process4
GO:0015994
IGI
UniProtchlorophyll metabolic process
GO:0015994
IGI
Gene Ontologychlorophyll metabolic process4
GO:0016122
IMP
UniProtxanthophyll metabolic process
GO:0016122
IMP
Gene Ontologyxanthophyll metabolic process4
GO:0009266
IMP
UniProtresponse to temperature stimulus
GO:0009266
IMP
Gene Ontologyresponse to temperature stimulus5
GO:0009915
IMP
UniProtphloem sucrose loading
GO:0009915
IMP
Gene Ontologyphloem sucrose loading5
GO:0031347
IMP
UniProtregulation of defense response
GO:0031347
IMP
Gene Ontologyregulation of defense response6
GO:0009651
IEA
UniProtresponse to salt stress

Molecular Function

GO termEvidence(s)Provider(s)DescriptionSource(s)
GO:0016853
IEA
UniProtisomerase activity
GO:0016853
IEA
Gene Ontologyisomerase activity7
GO:0009976
IDA
UniProttocopherol cyclase activity
GO:0009976
IDA, IMP
Gene Ontologytocopherol cyclase activity2 8
GO:0009976
IEA
InterProtocopherol cyclase activity

Cellular Component

GO termEvidence(s)Provider(s)DescriptionSource(s)
GO:0009507
IDA
UniProtchloroplast
GO:0009507
IDA
ISS, ISM
Gene Ontologychloroplast2 9 10
GO:0009706
TAS
UniProtchloroplast inner membrane
GO:0009706
TAS
Gene Ontologychloroplast inner membrane2
GO:0010287
IDA
UniProtplastoglobule
GO:0010287
IDA
Gene Ontologyplastoglobule11
GO:0009534
IDA
UniProtchloroplast thylakoid
GO:0009534
IDA
Gene Ontologychloroplast thylakoid12
GO:0009941
IDA
UniProtchloroplast envelope
GO:0009941
IDA
Gene Ontologychloroplast envelope12

Color Legend

Experimental Evidence
Computational Reviewed Evidence
Electronic Evidence
GO Sources:   Primary     Orthology     Homology  
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InterPro Description
IPR025893Tocopherol cyclase

Mapman id Description
10.3.2.5.Redox homeostasis.low-molecular-weight scavengers.tocopherol biosynthesis.tocopherol cyclase (VTE1/TC)