in which of the following it this structured - somber

[ArchivalUser]

protein contains 30 amino acid structural motif with four cystine residues coordinated to a zinc atom in which of the following it this structured motif likely to be found
a-nuclesome
b-ribonuclease
c-ribosome
d-splicesome
e-transcription factor

[ArchivalUser]

it's referring to zinc fingers i think so E?

[ArchivalUser]

thank you