IPK2BETA inositol polyphosphate kinase 2 beta [Arabidopsis thaliana (thale cress)] - Gene

Summary

Official Symbol: IPK2BETA
Official Full Name: inositol polyphosphate kinase 2 beta
Primary source: TAIR:AT5G61760
Locus tag: AT5G61760
See related: Araport:AT5G61760
Gene type: protein coding
RefSeq status: REVIEWED
Organism: Arabidopsis thaliana (ecotype: Columbia)
Lineage: Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae; rosids; malvids; Brassicales; Brassicaceae; Camelineae; Arabidopsis
Also known as: ARABIDOPSIS THALIANA INOSITOL POLYPHOSPHATE KINASE 2 BETA; ATIPK2BETA; inositol polyphosphate kinase 2 beta; INOSITOL POLYPHOSPHATE KINASE 2 BETA; IPK2B; MAC9.7; MAC9_7
Summary: Encodes an inositol polyphosphate 3-/6-/5-kinase that is localized to the nucleus. Able to complement a mutation in a yeast transcriptional regulator gene (ARG82/IPK2).
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Chromosome 5 - NC_003076.8 Genomic Context describing neighboring genes

Go to nucleotide: Graphics FASTA GenBank

Taken together, the findings suggest that AtIPK2beta negatively regulates flowering time by blocking chromatin silencing of FLC.
Title: Arabidopsis inositol polyphosphate multikinase delays flowering time through mediating transcriptional activation of FLOWERING LOCUS C.
AtIPK2beta and IP6 are involved in glucose suppression of seed germination and that AtIPK2beta enzyme activity is likely to be regulated by SnRK1.1.
Title: The Role of Arabidopsis Inositol Polyphosphate Kinase AtIPK2β in Glucose Suppression of Seed Germination and Seedling Development.
This study discovered that a key Abscisic acid (ABA) signaling component calcium-dependent protein kinase 4 (CPK4) can interact with AtIpk2 beta under ABA treated conditions through affinity purification and mass spectrometry detection.
Title: Arabidopsis inositol polyphosphate kinase AtIpk2β is phosphorylated by CPK4 and positively modulates ABA signaling.
AtIPK2alpha and AtIPK2beta are involved in pollen development, pollen tube guidance and embryogenesis.
Title: Enzyme activities of Arabidopsis inositol polyphosphate kinases AtIPK2α and AtIPK2β are involved in pollen development, pollen tube guidance and embryogenesis.
for AtIpk2beta in axillary shoot branching through the auxin signaling pathway
Title: Arabidopsis inositol polyphosphate 6-/3-kinase (AtIpk2beta) is involved in axillary shoot branching via auxin signaling.

Submit: New GeneRIF Correction

NM_001345497.1

NM_125570.4

Function	Evidence Code	Pubs
enables inositol tetrakisphosphate kinase activity	IDA Inferred from Direct Assay more info	PubMed
enables inositol trisphosphate kinase activity	IDA Inferred from Direct Assay more info	PubMed
enables inositol-1,2,3,4,6-pentakisphosphate 5-kinase activity	IEA Inferred from Electronic Annotation more info
enables inositol-1,3,4,6-tetrakisphosphate 5-kinase activity	IEA Inferred from Electronic Annotation more info
enables inositol-1,3,4-trisphosphate 6-kinase activity	IDA Inferred from Direct Assay more info	PubMed
enables inositol-1,4,5,6-tetrakisphosphate 3-kinase activity	IDA Inferred from Direct Assay more info	PubMed
enables inositol-1,4,5-trisphosphate 6-kinase activity	IDA Inferred from Direct Assay more info	PubMed
enables kinase binding	IPI Inferred from Physical Interaction more info	PubMed

Process	Evidence Code	Pubs
acts_upstream_of_or_within embryo development ending in seed dormancy	IGI Inferred from Genetic Interaction more info	PubMed
acts_upstream_of_or_within myo-inositol hexakisphosphate biosynthetic process	IMP Inferred from Mutant Phenotype more info	PubMed
acts_upstream_of_or_within pollen development	IGI Inferred from Genetic Interaction more info	PubMed
acts_upstream_of_or_within pollen tube guidance	IGI Inferred from Genetic Interaction more info	PubMed
acts_upstream_of_or_within regulation of DNA-templated transcription	TAS Traceable Author Statement more info	PubMed
involved_in response to glucose	IEP Inferred from Expression Pattern more info	PubMed

Component	Evidence Code	Pubs
located_in nucleus	IDA Inferred from Direct Assay more info	PubMed
located_in nucleus	ISM Inferred from Sequence Model more info
located_in pollen tube	IDA Inferred from Direct Assay more info	PubMed

NP_200984.1

inositol polyphosphate kinase 2 beta (IPK2BETA); CONTAINS InterPro DOMAIN/s: Inositol polyphosphate kinase (InterPro:IPR005522); BEST Arabidopsis thaliana protein match is: inositol polyphosphate kinase 2 alpha (TAIR:AT5G07370.4); Has 1807 Blast hits to 1807 proteins in 277 species: Archae - 0; Bacteria - 0; Metazoa - 736; Fungi - 347; Plants - 385; Viruses - 0; Other Eukaryotes - 339 (source: NCBI BLink).

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