12. 1913个字母,“色氨酸合成酶a蛋白质”(一种含有267种氨基酸酶)的化学名:methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanylglutaminy lleucyllysylglutamylarginyllysylglutamylglycylalanylphenylalanylvalylprolyphenyla
lanylvalythreonylleucylglycylaspartylprolylglycylisoleucylglutamylglutaminylseryl
leucyllysylisoleucylaspartylthreonylleucylisoleucylglutamylalanylglycylalanylasp
arthlalanylleucylglutamylleucylglycylisoleucylprolylphenylalanylserylaspartylprol
ylleucylalanylaspartylglycylprolylthreonylisoleucylglutaminylaspfraginylalanylthr
eonylleucylarfinylalanylphenylalanylalanylalanylglycylvalythreonylprolylalanylglu
taminylcysteinylphenylalanylglutamylmethionylleucylalanylleuoylisoleucylarginyl
glutaminyllysyhistidylprolylthreonylisoleucylprolylisoleucylglycylleucylmethionylt
yrosylalanylasparaginylleucylvalylphenylalanylasparaginyllysyglycylisoleucylasp
artylglutamylphenylalanylthrosylalanylglutaminylcysteinylglutamyllysylvalylglycy
lvalylaspartylserylvalylleucylvalylalnylaspartylvalylprolylvalylglutaminylglutamyls
erylalanylprolylphenylalanylarginylglutaminylalanylalanylleucylarginylhistidylaspa
raginyvalylalanylprolylisoleucylprolylisoleucylphenylalanylisoleucylphenylalanylis
oleucylcysteinylprolylprolylaspartylalanylaspartylaspartylaspartylleucylleucylarg
inylglutaminylisoleucylalanylseryltyrosylglycylarginylglycyltyrosylthreonyltyrosyl
leucylleucylserylarginylalanylglycylvalylthreonylglycylalanylglutamylasparainylar
ginylalanylalanylleucylprolylleucylasparaginylhistidylleucylvalylalanyllysylleucylly
sylglutamyltyrosylasparaginylalanylalanylprolylprolylleucylglutaminylglgycylphen
ylalanylglycylisoleucylserylalanylprolylaspartylglutaminylvalyllysylalanylalanylisol
eucylaspartylalanylglycylalanylalanylglycylalanylisoleucylserylglycylserylalanylis
oleucylvalyllysylisoieucylisoleucylglutamylglutaminylhistidylasparaginylisoleucylg
lutamylprolylglutamyllysylmethionylleucylalanylalanylleucyllysylvalylphenylalanyl
calylglutaminylprolylmethionlysylalanylalanylthreonylarginylserine