Gene: AT1G04400 (Arabidopsis thaliana)

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Gene Identifier
AT1G04400
Transcript Identifier
AT1G04400.2
Gene Type
Coding gene
Location
1 : 1185719-1187901 : negative

Family

Gene family
HOM03M001198
(61 genes in 16 species)
specific family

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Descriptions

Description
cryptochrome 2
Curated Summary
Blue light receptor mediating blue-light regulated cotyledon expansion and flowering time. Positive regulator of the flowering-time gene CONSTANS. This gene possesses a light-induced CNT2 N-terminal homodimerisation domain.Involved in blue-light induced stomatal opening. Involved in triggering chromatin decondensation. An 80-residue motif (NC80) is sufficient to confer CRY2's physiological function. It is proposed that the PHR domain and the C-terminal tail of the unphosphorylated CRY2 form a 'closed' conformation to suppress the NC80 motif in the absence of light. In response to blue light, the C-terminal tail of CRY2 is phosphorylated and electrostatically repelled from the surface of the PHR domain to form an 'open' conformation, resulting in derepression of the NC80 motif and signal transduction to trigger photomorphogenic responses. Cry2 phosphorylation and degradation both occur in the nucleus.
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Identifiers

Identifier Name
aliascryptochrome 2
aliasATCRY2
aliasAT-PHH1
aliasPHH1
aliasCRY2
aliasFHA
uniprotQ96524

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Biological Process

GO termEvidence(s)ProviderDescriptionSource
GO:0009414IGIUniProtresponse to water deprivation1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
GO:0010118IGIUniProtstomatal movement1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
GO:0009909IDAGene Ontologyregulation of flower development1
GO:0009911IMPUniProtpositive regulation of flower development1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
GO:0006338IMPUniProtchromatin remodeling1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
GO:0010617IMPUniProtcircadian regulation of calcium ion oscillation1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
GO:0010075IGIUniProtregulation of meristem growth1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
GO:0006325IMPGene Ontologychromatin organization1
GO:0009416IEPGene Ontologyresponse to light stimulus1
GO:0042744RCAGene Ontologyhydrogen peroxide catabolic process1
GO:0009637IMPGene Ontologyresponse to blue light1
GO:0009638IGIUniProtphototropism1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
GO:0006281IEAUniProtDNA repair1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
GO:0018298IEAUniProtprotein-chromophore linkage1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

Molecular Function

GO termEvidence(s)ProviderDescriptionSource
GO:0005515IPIGene Ontologyprotein binding1
GO:0009882ISSUniProtblue light photoreceptor activity1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
GO:0042802IPIGene Ontologyidentical protein binding1
GO:0042803IPIGene Ontologyprotein homodimerization activity1
GO:0005524IEAUniProtATP binding1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
GO:0003913IEAUniProtDNA photolyase activity1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

Cellular Component

GO termEvidence(s)ProviderDescriptionSource
GO:0005634IDA, ISM, UniProtnucleus1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
GO:0005773IDAUniProtvacuole1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

Color Legend

Experimental Evidence
Electronic Evidence
Computational Reviewed Evidence
GO Sources:   Primary     Orthology     Homology  
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InterPro Description
IPR006050DNA photolyase, N-terminal
IPR002081Cryptochrome/DNA photolyase, class 1
IPR014729Rossmann-like alpha/beta/alpha sandwich fold
IPR014134Cryptochrome, plant
IPR005101DNA photolyase, FAD-binding/Cryptochrome, C-terminal
IPR018394Cryptochrome/DNA photolyase, class 1 conserved site, C-terminal

Mapman id Description
30.11signalling.light
No SignalP domains detected for this gene.