Bacterial chemotaxis: Attractants sensor kinase Transducer(MCP) CheA Chew ATP CheW CheA CheA- +CH3 Flagellar motor CheR CheB-P CheB CheY CheY-P CheZ response regulators -CH3 CheB and CheY Cytoplasmic membrane Cell wall step1,response to signal趋化过程第一步：对信号作出反应 Chen Feng,Shanghai Jiao Tong UniversityChen Feng, Shanghai Jiao Tong University step 1, response to signal 趋化过程第一步: 对信号作出反应 response regulators CheB and CheY sensor kinase CheA Bacterial chemotaxis: