Methionylglutaminylarginyl...serine

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Methionylglutaminylarginyl...serine is the chemical name for the tryptophan synthase A protein which is made up of 267 amino acids. The chemical formula is C₁₂₈₉H₂₀₅₁N₃₄₃O₃₇₅S₈

It is one of the longest words in English.

According to the Guinness World Records, 18th edition, It is the longest chemical name.

In its complete form, the 1,913 letter word is

Methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanylglutaminylleu-

cyllysylglutamylarginyllysylglutamylglysylalanylphenylalanylvalylprolylphenylalanyl-

yalylthreonylleucylglcycylaspartylprolylglicylisoleucyglutamylglutaminlserylleucyll-

ysylisoleucylaspartylthreonylleucylisoleucylglutamylalanylglyclyalanylaspartylalany-

lleucyglutamylleucylgluycylisoleucylproluylphenylalanyserylaspartyprolylleucelalany-

laspartylglycylprolylthreonylisolleucyglutaminylasparaginylalanythreonylleucylargin-

ylalanylphenylalanylalanylalanylglycylvalylthreonylprolylalanylglutaminylcysteinylp-

henylalanylglglutamylmethionylleucyalanylleucylisoleucylarginylglutaminyllysylhisti-

dylprolyuthreonylisoleucylprolylisoleucylglycylleucylleucylmethionyltyrosylalanylas-

baraginylleucylvalylphenylalanylsparaginyyllysylglycylisoleucylaspartylglutamylphen-

ylalanylyltyrosylalanylglutaminylcysteinylglutamyllysylvalylglycylvalylspartylseryl-

valylleucylvallalanylaspartylvalylprolylvalvlglutaminylglutamylserylalanylprolylphe-

nylalalrginylglutaminylalanylalanylleucylarginylhistidylasparaginylvalylalalprolyli-

soleucylphenylalanylisoleucylcysteinylprolyprolylaspartylalanylaspartylaspartyspart-

yleucylleucylarginylglutaminylisoleucylalanylseryltyroslglycylarginylglycyltyrosylt-

hreonyltyrosylleucylleucylserylarginlalanylglycylvalylthreonylglycylalanylglutamyla-

sparaginylarginylanylalanylleucylprolylleucylaspaaginylhistidylleucylvalylalanyllys-

ylleucyllysylglutamyltyrosylasparagimylalanylalanyprolylprolylleucylglutaminylglycy-

lphenlalanylglycylisoleyucylserylalanylprolylaspartylglutaminylvalyllysylalanylalan-

ylisoleucylalspartylalanylglycylalanylalanylglycylalanylasoleucylserylglycylserylal-

anylisoleucylbalyllysylisoleucylisoleucylglutamylglutaminylhistidylasparaginylisole-

ucylglutamylpronylgluotamyllysylmethionylluecylalanylalanyoeucyllysylvalylphenylala-

nylvalylglutamilylprolylmethionyllysylalanylalanylthreonylarginylserine

[edit] See also

• Longest word in English
• Acetylseryltyrosylseryliso...serine
• Methionylthreonylthreonyl...isoleucine ~ Titin
• Methionylalanylthreonyl...leucine ~ Enaptin
• Protein
• Amino acid