Assertion: polypeptide's domain | /r/HasProperty | four c-terminal helices
Facets:
Source sentences:
text: A helical domain at one face of the b-barrel is composed of four C-terminal helices (a16, a17, a18, and a19) and four helices derived from residues between b4 and b5 (a4, a5, a6, and a7).