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paiA

Gene
paiA
Protein
Spermidine/spermine N(1)-acetyltransferase
Organism
Bacillus subtilis (strain 168)
Length
172 amino acids
Function
Involved in the protection against polyamine toxicity by regulating their concentration. Also could be involved in the negative control of sporulation as well as production of degradative enzymes such as alpha-amylase, levansucrase and alkaline phosphatase. Catalyzes the transfer of an acetyl group from acetyl coenzyme A (AcCoA) to an acceptor substrate and releases both CoA and the acetylated product. It possesses N1-acetyltransferase activity toward polyamine substrates including spermidine, spermine, aminopropylcadaverine, norspermidine, homospermidine, N(8)-acetylspermidine, diaminopropane and agmatine.
Mass
20.015 kDa
Sequence
MSVKMKKCSREDLQTLQQLSIETFNDTFKEQNSPENMKAYLESAFNTEQLEKELSNMSSQFFFIYFDHEIAGYVKVNIDDAQSEEMGAESLEIERIYIKNSFQKHGLGKHLLNKAIEIALERNKKNIWLGVWEKNENAIAFYKKMGFVQTGAHSFYMGDEEQTDLIMAKTLI

Gene
paiA
Protein
Spermidine N(1)-acetyltransferase
Organism
Thermoplasma acidophilum (strain ATCC 25905 / DSM 1728 / JCM 9062 / NBRC 15155 / AMRC-C165)
Length
161 amino acids
Function
Involved in the protection against polyamine toxicity by regulating their concentration. Also could be involved in the negative control of sporulation as well as production of degradative enzymes such as alpha-amylase, levansucrase and alkaline phosphatase. Catalyzes the transfer of an acetyl group from acetyl coenzyme A (AcCoA) to an acceptor substrate and release both CoA and the acetylated product. It can use a variety of substrates including spermidine, L-tryptophan, L-leucine, L-lysine, dopamine and tyramine.
Mass
18.997 kDa
Sequence
MSIEIRKLSIEDLETLIEVARESWKWTYAGIYSEEYIESWIREKYSKEKLLNEIVRSQSNLDILFLGAFADSTLIGFIELKIIANKAELLRLYLKPEYTHKKIGKTLLLEAEKIMKKKGILECRLYVHRQNSVGFSFYYKNGFKVEDTDGSDFIMEKKYES