If it's real.
Acetylseryltyrosylserylisoleucylthreonylserylprolylserylglutaminylphenylalanylvalylphenyl-
alanylleucylserylserylvalyltryptophylalanylaspartylprolylisoleucylglutamylleucylleucylasparaginyl-
valylcysteinylthreonylserylserylleucylglycylasparaginylglutaminylphenylalanylglutaminylthreonyl-
glutaminylglutaminylalanylarginylthreonylthreonylglutaminylvalylglutaminylglutaminyl-
phenylalanylserylglutaminylvalyltryptophyllysylprolylphenylalanylprolylglutaminylserylthreonylvalyl-
arginylphenylalanylprolylglycylaspartylvalyltyrosyllysylvalyltyrosylarginyltyrosylasparaginylalanyl-
valylleucylaspartylprolylleucylisoleucylthreonylalanylleucylleucylglycylthreonylphenylalanylaspartyl-
threonylarginylasparaginylarginylisoleucylisoleucylglutamylvalglutamylasparaginylglutaminyl-
glutaminylserylprolylthreonylthreonylalanylglutamylthreonylleucylaspartylalanylthreonyl-
arginylarginylvalylaspartylaspartylalanylthreonylvalylalanylisoleucylarginylserylalanyl-
asparaginylisoleucylasparaginylleucylvalylasparaginylglutamylleucylvalylarginylglycyl-
threonylglycylleucyltyrosylasparaginylglutaminylasparaginylthreonylphenylalanylglutamyl-
serylmethionylserylglycylleucylvalyltryptophylthreonylserylalanylprolylalanylserine.
It has 1,185 letters if u must know.
Acetylseryltyrosylserylisoleucylthreonylserylprolylserylglutaminylphenylalanylvalylphenyl-
alanylleucylserylserylvalyltryptophylalanylaspartylprolylisoleucylglutamylleucylleucylasparaginyl-
valylcysteinylthreonylserylserylleucylglycylasparaginylglutaminylphenylalanylglutaminylthreonyl-
glutaminylglutaminylalanylarginylthreonylthreonylglutaminylvalylglutaminylglutaminyl-
phenylalanylserylglutaminylvalyltryptophyllysylprolylphenylalanylprolylglutaminylserylthreonylvalyl-
arginylphenylalanylprolylglycylaspartylvalyltyrosyllysylvalyltyrosylarginyltyrosylasparaginylalanyl-
valylleucylaspartylprolylleucylisoleucylthreonylalanylleucylleucylglycylthreonylphenylalanylaspartyl-
threonylarginylasparaginylarginylisoleucylisoleucylglutamylvalglutamylasparaginylglutaminyl-
glutaminylserylprolylthreonylthreonylalanylglutamylthreonylleucylaspartylalanylthreonyl-
arginylarginylvalylaspartylaspartylalanylthreonylvalylalanylisoleucylarginylserylalanyl-
asparaginylisoleucylasparaginylleucylvalylasparaginylglutamylleucylvalylarginylglycyl-
threonylglycylleucyltyrosylasparaginylglutaminylasparaginylthreonylphenylalanylglutamyl-
serylmethionylserylglycylleucylvalyltryptophylthreonylserylalanylprolylalanylserine.
It has 1,185 letters if u must know.