About: Crystal structure of CKI1 receiver domain from Arabidopsis

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Sensor histidine kinases (HKs) are members of the two-component (TC) signalling systems that mediate signal transduction in a broad spectrum of adaptive responses in bacteria. The sensor histidine kinase CKI1 was identified as an activator of a cytokinin-like response when overexpressed in hypocotyl explants of A. thaliana. However, in contrast to the genuine cytokinin receptors of A. thaliana, AHK2, AHK3 and AHK4, CKI1 was found to be constitutively active in bacteria and yeast or A. thaliana protoplasts. Thus, the specificity and the role of CKI1 in the TC signalling in A. thaliana remain unclear. The three-dimensional structure of A. thaliana CKI1RD was determined. The catalytic aspartate residue is located on the carboxyl terminus of the central beta3-strand, in a cavity formed by loops L1, L5 and L7 loops. All major conformational differences between receiver proteins are located in the loops, which supposedly form a docking interface for the ineracting partners. Sensor histidine kinases (HKs) are members of the two-component (TC) signalling systems that mediate signal transduction in a broad spectrum of adaptive responses in bacteria. The sensor histidine kinase CKI1 was identified as an activator of a cytokinin-like response when overexpressed in hypocotyl explants of A. thaliana. However, in contrast to the genuine cytokinin receptors of A. thaliana, AHK2, AHK3 and AHK4, CKI1 was found to be constitutively active in bacteria and yeast or A. thaliana protoplasts. Thus, the specificity and the role of CKI1 in the TC signalling in A. thaliana remain unclear. The three-dimensional structure of A. thaliana CKI1RD was determined. The catalytic aspartate residue is located on the carboxyl terminus of the central beta3-strand, in a cavity formed by loops L1, L5 and L7 loops. All major conformational differences between receiver proteins are located in the loops, which supposedly form a docking interface for the ineracting partners. (en)
Title	Crystal structure of CKI1 receiver domain from Arabidopsis Crystal structure of CKI1 receiver domain from Arabidopsis (en)
skos:prefLabel	Crystal structure of CKI1 receiver domain from Arabidopsis Crystal structure of CKI1 receiver domain from Arabidopsis (en)
skos:notation	RIV/00216224:14310/09:00039825!RIV10-MSM-14310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(LC06034), Z(MSM0021622415)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Hejátko, Jan Janda, Lubomír Marek, Jaromír Pekárová, Blanka Klumpler, Tomáš
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	308606
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/09:00039825
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Arabidopsis cytokinin signaling CKI1 crystallography crystal structure (en)
http://linked.open.../riv/klicoveSlovo	Arabidopsis cytokinin signaling CKI1 crystallography crystal structure
http://linked.open...ontrolniKodProRIV	[21B75DC97170]
http://linked.open...in/vavai/riv/obor	EB
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Regulation of morphogenesis of plant cells and organs
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Hejátko, Jan Janda, Lubomír Marek, Jaromír Pekárová, Blanka Klumpler, Tomáš
http://linked.open...n/vavai/riv/zamer	Molecular basis of cell and tissue regulations
http://localhost/t...ganizacniJednotka	14310

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