Tc. White et al., THE UNIVERSAL LEUCINE CODON CTG IN THE SECRETED ASPARTYL PROTEINASE-1(SAP1) GENE OF CANDIDA-ALBICANS ENCODES A SERINE IN-VIVO, Journal of bacteriology, 177(10), 1995, pp. 2953-2955
A number of Candida species possess a tRNA(Ser)-like species that reco
gnizes CTG codons that normally specify leucine (Leu) in the universal
code of codon usage. Mass spectrometry and Edman sequencing of peptid
es from the secreted aspartyl proteinase isoenzyme (Sap1) demonstrate
that positions specified by the CTG codon contain a nonmodified serine
(Ser) in Candida albicans.