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J Virol. 1980 February; 33(2): 631-636

Partial amino-terminal sequences of the polyoma nonhistone proteins VP1, VP2, and VP3 synthesized in vitro.

ABSTRACT

The three polyoma virus capsid proteins VP1, VP2, and VP3 were synthesized in vitro in the presence of several radiolabeled amino acids and, after purification on sodium dodecyl sulfate-polyacrylamide gels, were subjected to sequential Edman degradation. The partial amino-terminal amino acid sequences obtained were compared with the sequence of amino acids predicted from the polyoma virus DNA sequencing (Arrand et al., J. Virol. 33:606--618, 1980). Together, these results showed that the 5' ends of the VP1, VP2, and VP3 coding sequences are located 1,217, 289, and 634 nucleotides, respectively, from the junction of HpaII restriction fragments 3 and 5.