Protain or Protein: How To spell?

The word Protain is misspelled against Protein, a noun meaning "A body now known as alkali albumin, but originally considered to be the basis of all albuminous substances, whence its name."

Word contains consecutive vowels 'EI' in between alphabets prot & n is misspelled as 'AI'
Wrong Spelling:  prot-ai-n 
Correct Spelling:  prot-ei-n 
Find more incorrect spellings of Protein to spell right way.