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    • 5. 发明申请
    • NON-ENDOGENOUS, CONSTITUTIVELY ACTIVATED HUMAN G PROTEIN-COUPLED RECEPTORS
    • 非内源性,一般激活的人G蛋白偶联受体
    • WO0022129A9
    • 2000-09-14
    • PCT/US9923938
    • 1999-10-12
    • ARENA PHARM INCBEHAN DOMINIC PCHALMERS DEREK TLIAW CHEN W
    • BEHAN DOMINIC PCHALMERS DEREK TLIAW CHEN W
    • G01N33/50A61K38/00A61K45/00A61P43/00C07D231/12C07D231/16C07D409/12C07K5/08C07K7/06C07K14/705C07K14/72C12N1/15C12N1/19C12N1/21C12N5/10C12N15/09C12N15/12C12N15/16C12Q1/02G01N33/15G01N33/566
    • C07D231/12A61K38/00C07D231/16C07D409/12C07K14/705C07K14/70571C07K14/723G01N33/566G01N2333/726G01N2500/00
    • Disclosed herein are constitutively activated, non-endogenous versions of endogenous human G protein-coupled receptors comprising (a) the following amino acid sequence region (C-terminus to N-terminus orientation) and/or (b) the following nucleic acid sequence region (3' to 5' orientation) transversing the transmembrane-6 (TM6) and intracellular loop-3 (IC3) regions of the GPCR: (a) P AA15 X and/or (b) P (AA-codon)15 Xcodon, respectively. In a most preferred embodiment, P and P are endogenous proline and an endogenous nucleic acid encoding region encoding proline, respectively, located within TM6 of the non-endogenous GPCR; AA15 and (AA-codon)15 are 15 endogenous amino acid residues and 15 codons encoding endogenous amino acid residues, respectively; and X and Xcodon are non-endogenous lysine and a non-endogenous nucleic acid encoding region encoding lysine, respectively, located within IC3 of the non-endogenous GPCR. Because it is most preferred that the non-endogenous human GPCRs which incorporate these mutations are incorporated into mammalian cells and utilized for the screening of the candidate compounds, the non-endogenous human GPCR incorporating the mutation need not be purified and isolated per se (i.e., these are incorporated within the cellular membrane of a mammalian cell), although such purified and isolated non-endogenous human GPCRs are well within the purview of this disclosure.
    • 本文公开了内源性人G蛋白偶联受体的组成型激活的非内源型,其包含(a)以下氨基酸序列区(C末端至N末端取向)和/或(b)以下核酸序列区 (3'至5'方向)横切GPCR的跨膜-6(TM6)和细胞内环3(IC3)区域:(a)P 1 AA15 X和/或(b)P < -codon)15 Xcodon。 在最优选的实施方案中,P 1和P <密码子是分别位于非内源性GPCR TM6内的内源性脯氨酸和编码脯氨酸的内源核酸编码区; AA15和(AA-密码子)15分别是15个内源氨基酸残基和15个编码内源氨基酸残基的密码子; X和Xcodon是分别位于非内源GPCR的IC3内的非内源性赖氨酸和编码赖氨酸的非内源核酸编码区。 因为最优选的是将含有这些突变的非内源性人GPCR并入哺乳动物细胞中并用于筛选候选化合物,所以引入突变的非内源性人GPCR不需要被纯化和分离(即, ,这些被并入哺乳动物细胞的细胞膜),尽管这种纯化和分离的非内源性人GPCR完全在本公开的范围内。