By use of a degenerate oligodeoxyribonucleotide probe corresponding to the N-terminal amino acid (aa) sequence and Southern blot analysis, the gene encoding the di-heme cytochrome c(4) (CC4) from Pseudomonas stutzeri has been cloned. The aa sequence deduced from the nucleotide sequence shows a 20-aa signal peptide and a 190-aa mature protein with 79% identity to the Azotobacter vinelandii CC4 sequence, which had earlier been determined by aa sequencing.
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[1]
AMBLER R P, 1973, Biochemical Society Transactions, V1, P162