水稻多聚半乳糖醛酸酶抑制蛋白家族OsPGIP结构及基因表达特征 分析

陈夕军, 唐滔, 李丽丽, 陈宸, 陈煜文, 张亚芳, 左示敏

Analysis on the structures of polygalacturonase-inhibiting proteins and the expression profile of its encoding genes in rice

CHEN Xi-Jun, TANG Tao, LI Li-Li, CHEN Chen, CHEN Yu-Wen, ZHANG Ya-Fang, ZUO Shi-Min

表3 在线软件预测的OsPGIP蛋白性质与功能

Table 3 Functions and Characterics of OsPGIPs predicted by online software

蛋白 Protein 染色体 位置Location 分子量 Molecular weight (kD) 等电点 pI 不稳定 指数 Instability index 脂溶性 指数 Aliphatic index 总平均 亲水性 Grand average of hydropathicity 跨膜域 Trans- membrane 亚细胞定位 Subcellular localization N-糖基化 位点数 Number of N-glycosylation sites 大肠杆菌中表达的溶解性 Chance of solubility expressed in E. coli (%) OsPGIP1 Chr. 5 32.75 6.98 31.82 98.58 0.183 Yes Extracellular 4 0 OsPGIP2 Chr. 5 36.97 4.73 40.16 103.33 0.080 Yes Extracellular 8 0 OsPGIP3 Chr. 5 36.14 5.94 34.36 95.63 0.181 Yes Extracellular 5 0 OsPGIP4 Chr. 5 37.22 8.37 33.98 101.58 0.203 Yes Extracellular 4 0 OsFOR1 Chr. 8 35.46 7.09 36.08 99.94 0.041 Yes Extracellular 1 0 OsPGIP6 Chr. 8 38.79 5.86 35.69 106.42 0.286 Yes Extracellular 1 0 OsPGIP7 Chr. 9 35.88 5.90 33.26 101.87 0.265 Yes Extracellular 3 0.7