Transforming protein coded by myc oncogenes. The v-myc protein has been found in several replication-defective avian retrovirus isolates which induce a broad spectrum of malignancies.

Synonyms: Oncogene Product p55(v-myc), 0, v-myc Protein p55, myc Oncogene Protein p55, Protein p55, v-myc, p55 v-myc, v myc Protein p55, Oncogene Protein p55(v-myc), p55(v-myc), p55 v myc, myc Oncogene Product p55