The present invention relates to a crystal of a complex of an epidermal growth factor (EGF) and an epidermal growth factor receptor (EGFR), a crystal of a complex of EGFR and a substance regulating EGFR activity, structure coordinates of these crystals, a method for screening for the substance regulating EGFR activity, a method for designing the substance regulating EGFR activity, a method for designing an EGFR variant or an EGF variant, a method for producing an EGFR variant or an EGF variant and an EGF variant or an EGFR variant obtainable by such method, a method for designing an epitope using the structure coordinates of the EGF-EGFR complex, a method for producing an anti-EGFR antibody or an anti-EGF antibody and an antibody obtainable by such method, a polypeptide or a salt thereof comprising a region that forms an EGFR dimerization site, and the like.
本发明涉及
表皮生长因子(
EGF)和
表皮生长因子受体(
EGFR)复合物的晶体、
表皮生长因子受体和调节
表皮生长因子受体活性的物质的复合物的晶体、这些晶体的结构坐标、筛选调节
表皮生长因子受体活性的物质的方法、设计调节
表皮生长因子受体活性的物质的方法、设计
表皮生长因子受体变体或
表皮生长因子受体变体的方法、利用
EGF-
EGFR 复合物的结构坐标设计表位的方法、生产抗
EGFR
抗体或抗
EGF
抗体的方法以及通过这种方法获得的
抗体、包含形成
EGFR 二聚化位点的区域的
多肽或其盐等。