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Two novel bovine papillomavirus type 7 (BPV-7) variants have been identified in teat cutaneous papillomas affecting dairy cows in northern Italy. The entire genome sequences of two BPV-7 Italian variants showed major sequence differences in the long control region (LCR) and in the L2 gene compared to the Japanese reference strain. In order to define the stability of these genetic variants, the L2...
Two structural proteins form the capsids of papillomaviruses. The major structural protein L1 is the structural determinant of the capsids and is present in 360 copies arranged in 72 pentamers. The minor structural protein L2 is estimated to be present in twelve copies per capsid. Possible roles for L2 in interaction with cell surface receptors and in virion uptake have been suggested. As previously...
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