NCBI Accession #
NP_566544.1
NCBI GenBank Nucleotide #
NM_112507.1
NCBI Official Full Name
HPT phosphotransmitter 4
NCBI Official Symbol
AHP4
NCBI Official Synonym Symbols
HPT phosphotransmitter 4; T2O4.20
NCBI Protein Information
HPT phosphotransmitter 4
NCBI Summary
Encodes AHP4, a histidine-containing phosphotransmitter involved in Histidine (His)-to-Aspartate (Asp) phosphorelay signal transduction. AHP4 is one of the six Arabidopsis thaliana histidine phosphotransfer proteins (AHPs). AHPs function as redundant positive regulators of cytokinin signaling. Members of the AHP gene family include: AT3G21510 (AHP1), AT3G29350 (AHP2), AT5G39340 (AHP3), AT3G16360 (AHP4), AT1G03430 (AHP5) and AT1G80100 (AHP6).
UniProt Protein Name
Histidine-containing phosphotransfer protein 4
UniProt Primary Accession #
Q9LU15
UniProt Secondary Accession #
O04321
UniProt Related Accession #
Q9LU15
UniProt Comments
Functions as two-component phosphorelay mediators between cytokinin sensor histidine kinases and response regulators (B-type ARRs). Plays an important role in propagating cytokinin signal transduction through the multistep His-to-Asp phosphorelay.