Protein
Bifunctional monodehydroascorbate reductase and carbonic anhydrase nectarin-3
Organism
Nicotiana langsdorffii x Nicotiana sanderae
Function
Bifunctional enzyme which has both carbonate dehydratase and monodehydroascorbate reductase activities. May be involved in regulation of nectar pH. May also regulate nectar ascorbate concentration, protecting floral tissues from free radical damage.
Similarity
Belongs to the alpha-carbonic anhydrase family.
Sequence
MRMAAITKMLFISFLFLSSVFLARSGEVDDESEFSYDEKSENGPANWGNIRPDWKECSGKLQSPIDIFDLRAEVVSNLRILQKDYKPSNATLLNRGHDIMLRLDDGGYLKINETQYQLKQLHWHTPSEHTINGERFNLEAHLVHESNNGKFVVIGIVYEIGLWPDPFLSMIENDLKVPANKKGIERGIGIIDPNQIKLDGKKYFRYIGSLTTPPCTEGVVWIIDRKVKTVTRRQIKLLQEAVHDGFETNARPTQPENERYINSTYHSFGIEKQQ