小麦蔗糖转运蛋白5的生物信息学分析

论文摘要

为探讨小麦蔗糖转运蛋白5 （sucrose transporter 5, SUT5）蛋白的数量、结构特征和性质差异,以水稻SUT为模板,BlastP获得21条小麦SUT蛋白序列,其中六条鉴定为小麦SUT5蛋白。将其和水稻SUT5蛋白一起,进行了蛋白质亚细胞定位、基序、二级结构、跨膜结构以及磷酸化位点等相关分析。发现六条小麦SUT5蛋白和水稻SUT5都含有MFS2基序,但水稻SUT5含有BT1基序,小麦SUT5含有PUCC基序。小麦和水稻的SUT5在跨膜结构域处的二级结构较为一致,但N端和C端差异较大,且仅有SUT5-4与水稻SUT5的跨膜结构域数量一致。磷酸化位点预测结果显示,小麦和水稻的SUT5蛋白在C末端都存在丝氨酸的磷酸化位点,N末端差异较大。本研究为小麦SUT5蛋白亚家族的研究和利用提供了理论参考及分析依据。

论文目录

文章来源

类型: 期刊论文

作者: 王旭,白龙阁,曹园园,程岚,刘娜,石永春

关键词: 小麦,信息学,二级结构,基序

来源: 分子植物育种 2019年24期

年度: 2019

分类: 农业科技

专业: 农作物

单位: 河南农业大学生命科学学院

基金: 河南省教育厅高校重点科研项目(17B210003)资助

分类号: S512.1

DOI: 10.13271/j.mpb.017.007990

页码: 7990-7995

总页数: 6

文件大小: 2900K

下载量: 85

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标签：小麦论文;  信息学论文;  二级结构论文;  基序论文;