Comparative peptide mapping of baculovirus polyhedrins

Amino terminals and two-dimensional high-voltage peptide maps of tryptic digests of polyhedrins from Heliothis armigera nuclear polyhedrosis virus (NPV), Heliothis zea NPV, and Anticarsa gemmatalis NPV were compared with previously characterized granulins and polyhedrins. Similarities and differences were detected in the tryptic maps, while each protein produced a unique peptide map composite. Amino-terminal determination of eight polyhedrins and granulins resulted in three different end groups.