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log

Gene
LOG
Protein
Cytokinin riboside 5'-monophosphate phosphoribohydrolase LOG
Organism
Oryza sativa subsp. japonica
Length
242 amino acids
Function
Cytokinin-activating enzyme working in the direct activation pathway. Controls the shoot meristem activity. Phosphoribohydrolase that converts inactive cytokinin nucleotides to the biologically active free-base forms. Reacts specifically with cytokinin nucleoside 5'-monophosphates, but not with di-or triphosphate.
Similarity
Belongs to the LOG family.
Mass
25.846 kDa
Sequence
MAMEAAAERSAGAGAAATAAPESGGGGAGERRSRFRRICVYCGSAKGRKASYQDAAVELGKELVERGIDLVYGGGSIGLMGLVSHAVHDGGRHVIGVIPKSLMPREVTGEPVGEVRAVSGMHERKAEMARFADAFIALPGGYGTLEELLEVITWAQLGIHKKPVGLLNVDGFYDPFLSFIDMAVSEGFIAEDARRIIISAPTARELVLKLEEYVPEYEVGLVWDDQMPHSFAPDLETRITSS

Gene
log
Protein
Cytokinin riboside 5'-monophosphate phosphoribohydrolase
Organism
Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)
Length
187 amino acids
Function
Catalyzes the hydrolytic removal of ribose 5'-monophosphate from nitrogen N6-modified adenosines, the final step of bioactive cytokinin synthesis. Is involved in the synthesis of isopentenyladenine (iP) and 2-methylthio-iP (2MeS-iP), the most abundant cytokinins detected in M.tuberculosis lysates and supernatants. Is also able to convert trans-zeatin-riboside monophosphate (tZRMP) to trans-zeatin (tZ) in vitro; however, it may not be involved in the biosynthesis of this minor cytokinin in vivo. Accumulation of Rv1205 sensitizes M.tuberculosis to nitric oxide since cytokinin breakdown products synergize with NO to kill M.tuberculosis. Shows a slow AMP hydrolase activity, but is not able to hydrolyze ATP. Displays no lysine decarboxylase (LDC) activity (L-lysine conversion to cadaverine).
Similarity
Belongs to the LOG family.
Mass
20.014 kDa
Sequence
MSAKIDITGDWTVAVYCAASPTHAELLELAAEVGAAIAGRGWTLVWGGGHVSAMGAVASAARACGGWTVGVIPKMLVYRELADHDADELIVTDTMWERKQIMEDRSDAFIVLPGGVGTLDELFDAWTDGYLGTHDKPIVMVDPWGHFDGLRAWLNGLLDTGYVSPTAMERLVVVDNVKDALRACAPS