COR15B cold regulated 15b [Arabidopsis thaliana (thale cress)] - Gene

Summary

Official Symbol: COR15B
Official Full Name: cold regulated 15b
Primary source: TAIR:AT2G42530
Locus tag: AT2G42530
See related: Araport:AT2G42530
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: cold regulated 15b; F14N22.20; F14N22_20
Summary: Encodes COR15B, a protein that protects chloroplast membranes during freezing.
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Chromosome 2 - NC_003071.7 Genomic Context describing neighboring genes

Go to nucleotide: Graphics FASTA GenBank

necessary for full cold acclimation; functions in stabilization of chloroplast membranes during freezing through a folding and binding mechanism
Title: Disordered cold regulated15 proteins protect chloroplast membranes during freezing through binding and folding, but do not stabilize chloroplast enzymes in vivo.
a detailed model for the mode of action of the two COR15 proteins, is reported.
Title: A mechanistic model of COR15 protein function in plant freezing tolerance: integration of structural and functional characteristics.
Circular dichroism spectroscopy showed that both COR15A and COR15B are predominantly unstructured in solution and mainly alpha-helical after drying.
Title: Interaction of two intrinsically disordered plant stress proteins (COR15A and COR15B) with lipid membranes in the dry state.

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NM_129814.3

Function	Evidence Code	Pubs
enables galactose binding	IDA Inferred from Direct Assay more info	PubMed
enables lipid binding	IDA Inferred from Direct Assay more info	PubMed

Process	Evidence Code	Pubs
acts_upstream_of_or_within cold acclimation	IMP Inferred from Mutant Phenotype more info	PubMed
acts_upstream_of_or_within defense response to fungus	IEP Inferred from Expression Pattern more info	PubMed
acts_upstream_of_or_within leaf senescence	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in response to abscisic acid	IEP Inferred from Expression Pattern more info	PubMed
involved_in response to cold	IEP Inferred from Expression Pattern more info	PubMed

Component	Evidence Code	Pubs
located_in chloroplast	HDA more info	PubMed
located_in chloroplast	ISM Inferred from Sequence Model more info
located_in chloroplast envelope	HDA more info	PubMed
located_in chloroplast stroma	HDA more info	PubMed
located_in cytosol	HDA more info	PubMed

NP_181781.1

cold regulated 15b (COR15B); INVOLVED IN: response to cold, defense response to fungus; LOCATED IN: chloroplast, chloroplast stroma, chloroplast envelope; EXPRESSED IN: 21 plant structures; EXPRESSED DURING: 13 growth stages; BEST Arabidopsis thaliana protein match is: cold-regulated 15a (TAIR:AT2G42540.2); Has 194 Blast hits to 148 proteins in 43 species: Archae - 0; Bacteria - 18; Metazoa - 5; Fungi - 6; Plants - 155; Viruses - 0; Other Eukaryotes - 10 (source: NCBI BLink).