Gene: AT3G55610 (Arabidopsis thaliana)

Overview top

Gene Identifier
Transcript Identifier
Gene Type
Coding gene
3 : 20624278-20628989 : negative


Gene family
(40 genes in 16 species)
specific family
Duplication type
Block duplicate

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delta 1-pyrroline-5-carboxylate synthase 2
Curated Summary
encodes delta 1-pyrroline-5-carboxylate synthetase B. Gene expression is induced by dehydration, high salt and ABA. Knock-out mutations in P5CS2 are embryo-lethal. P5CS2 appears to be present in different cells and/or different subcellular locations from P5CS1 in a tissue-dependent manner. Mutants are defective in pollen development.
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Identifier Name
aliasdelta 1-pyrroline-5-carboxylate synthase 2





Biological Process

GO termEvidence(s)ProviderDescriptionSource
GO:0006561IMP, TASIEA, UniProtproline biosynthetic process1 2 3 4 5
GO:0009793IMPUniProtembryo development ending in seed dormancy1 2 3 4
GO:0009555IMPUniProtpollen development1 2 3 4
GO:0009737IEPGene Ontologyresponse to abscisic acid1
GO:0042538IEPGene Ontologyhyperosmotic salinity response1
GO:0055129IEAUniProtL-proline biosynthetic process1 2 3
GO:0008152IEAInterPrometabolic process
GO:0055114IEAInterProoxidation-reduction process

Molecular Function

GO termEvidence(s)ProviderDescriptionSource
GO:0005524IEAUniProtATP binding1 2 3
GO:0004349IEAUniProtglutamate 5-kinase activity1 2 3
GO:0004350IEAUniProtglutamate-5-semialdehyde dehydrogenase activity1 2 3
GO:0016620IEAInterProoxidoreductase activity, acting on the aldehyde or oxo group of donors, NAD or NADP as acceptor
GO:0016491IEAInterProoxidoreductase activity
GO:0003824IEAInterProcatalytic activity

Cellular Component

GO termEvidence(s)ProviderDescriptionSource
GO:0005739ISMGene Ontologymitochondrion1
GO:0005737IDA, IEAGene Ontologycytoplasm1
GO:0009507IDAUniProtchloroplast1 2 3 4
GO:0005829IDAUniProtcytosol1 2 3 4
GO:0009506IDAUniProtplasmodesma1 2 3 4

Color Legend

Experimental Evidence
Electronic Evidence
Computational Reviewed Evidence
GO Sources:   Primary     Orthology     Homology  
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InterPro Description
IPR019797Glutamate 5-kinase, conserved site
IPR001057Glutamate/acetylglutamate kinase
IPR016161Aldehyde/histidinol dehydrogenase
IPR005715Glutamate 5-kinase/delta-1-pyrroline-5-carboxylate synthase
IPR001048Aspartate/glutamate/uridylate kinase
IPR005766Delta l-pyrroline-5-carboxylate synthetase
IPR016162Aldehyde dehydrogenase, N-terminal
IPR020593Gamma-glutamyl phosphate reductase GPR, conserved site
IPR016163Aldehyde dehydrogenase, C-terminal
IPR000965Gamma-glutamyl phosphate reductase GPR

Mapman id Description acid metabolism.synthesis.glutamate 1-pyrroline-5-carboxylate synthetase
No SignalP domains detected for this gene.