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PPA4

Gene
PPA4
Protein
Soluble inorganic pyrophosphatase 4
Organism
Arabidopsis thaliana
Length
216 amino acids
Function
Catalyzes the irreversible hydrolysis of pyrophosphate (PPi) to phosphate. The MgPPi(2-) complex binds to the enzyme only after a free Mg(2+) ion has bound. No activity with glycerol-3-phosphate, glucose-6-phosphate, p-nitrophenylphosphate, ADP, NADP(+), NAD(+),NADH, NADPH or phosphoribosyl pyrophosphate as substrates.
Similarity
Belongs to the PPase family.
Mass
24.576 kDa
Sequence
MAPPIEVSTKSYVEKHVSLPTLNERILSSMSHRSVAAHPWHDLEIGPEAPIIFNCVVEIGKGSKVKYELDKTTGLIKVDRILYSSVVYPHNYGFIPRTLCEDSDPIDVLVIMQEPVIPGCFLRAKAIGLMPMIDQGEKDDKIIAVCADDPEYRHYNDISELPPHRMAEIRRFFEDYKKNENKEVAVNDFLPATAAYDAVQHSMDLYADYVVENLRR