Amino acid sequence of the plasma membrane ATPase of Neurospora crassa: deduction from genomic and cDNA sequences.

AUTOR(ES)

Hager, K M

RESUMO

The plasma membrane of Neurospora crassa contains an electrogenic H+-ATPase (EC 3.6.1.35), for which we have isolated and sequenced both genomic and cDNA clones. The ATPase gene is interrupted by four small introns (58-124 base pairs). It encodes a protein of 920 amino acids (Mr, 99,886) possessing as many as eight transmembrane segments. The Neurospora ATPase shows significant amino acid sequence homology with the Na+,K+- and Ca2+-transporting ATPases of animal cells, particularly in regions that appear to be involved in ATP binding and hydrolysis.

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