Mao Z J, Li Y, Xu H, Zheng H H, Schiemann J, Casper R, Chen Z L
National Laboratory of Protein Engineering and Plant Genetic Engineering, College of Life Sciences, Peking University, Beijing, China.
Arch Virol. 1998;143(9):1831-8. doi: 10.1007/s007050050421.
The outer capsid protein (P8) heterogeneity of rice dwarf virus (RDV) exists not only in purified virus particles, but also in RDV-infected rice, transgenic rice expressing P8, E. coli expression of P8 product and the in vitro translation products of S8. N-terminal amino acid sequencing revealed that P8 is a cleavage product of P8'. The cleavage occurs specifically at the residues of Asp362 and Pro363. The function of the proteolytic processing is unknown.
水稻矮缩病毒（RDV）的外衣壳蛋白（P8）异质性不仅存在于纯化的病毒粒子中，还存在于受RDV感染的水稻、表达P8的转基因水稻、P8产物的大肠杆菌表达物以及S8的体外翻译产物中。N端氨基酸测序表明P8是P8'的裂解产物。裂解特异性发生在Asp362和Pro363残基处。蛋白水解加工的功能尚不清楚。
