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    • 6. 发明授权
    • Methods for determining ATPase activity and uses thereof
    • 测定ATP酶活性的方法及其应用
    • US06852501B2
    • 2005-02-08
    • US10041522
    • 2001-10-24
    • Peter White
    • Peter White
    • G01N33/534C12Q1/34C12Q1/42C12Q1/48
    • C12Q1/42G01N2500/00Y10S436/80Y10S436/804Y10T436/16
    • The present invention uses the principle that phosphomolybdate binds to hydrophobic surfaces to isolate the phosphomolybdate complex from other phosphate-containing molecules and further uses the SPA concept to bring a radiolabeled phosphomolybdate complex in close contact with a scintillant for measurement by scintillation counting. Generally, the present invention provides an assay for detecting and measuring the amount of orthophosphate (Pi) in an aqueous reaction mixture, wherein the amount of Pi released is separated from the reaction mixture by: adding a solution of molybdate to the reaction mixture to form a phosphomolybdate complex; and contacting the phosphomolybdate complex with a hydrophobic surface, wherein the surface is capable of being separated from the aqueous reaction mixture to allow measurement of the Pi. Particularly, this invention provides an assay for measuring the ATPase activity of enzymes, more particularly, the HPV E1 helicase.
    • 本发明使用磷钼酸盐结合疏水性表面以将磷钼酸盐络合物与其它含磷酸盐分子隔离的原理,并且进一步使用SPA概念以使放射性标记的磷钼酸盐络合物与闪烁剂紧密接触,以通过闪烁计数进行测量。 通常,本发明提供了用于检测和测量水性反应混合物中正磷酸盐(Pi)的量的测定法,其中通过以下方式将释放的Pi的量与反应混合物分离:向反应混合物中加入钼酸盐溶液以形成 磷钼酸盐络合物; 并使磷钼酸盐络合物与疏水表面接触,其中表面能够与水性反应混合物分离,以允许测量Pi。 特别地,本发明提供了用于测量酶的ATPase活性的测定法,更具体地说,涉及HPV E1解旋酶。
    • 8. 发明申请
    • Regions of papilloma virus E1 helicase involved in E1 oligomerization
    • 乳头瘤病毒E1解旋酶区域参与E1寡聚化
    • US20040002059A1
    • 2004-01-01
    • US10339268
    • 2003-01-09
    • Boehringer Ingelheim (Canada) Ltd.
    • Jacques Archambault
    • C12Q001/70C12Q001/68
    • C07K14/005A61K38/00A61K39/00C12N2710/20022C12Q1/708G01N33/56983G01N33/573G01N2333/025G01N2500/00
    • There is provided an amino acid sequence comprised within the PV E1 protein region A delineated by amino acids 352 and 439, and any derivative variant or fragment thereof, necessary for the oligomerization of the E1 protein. This amino acid sequence is capable of self-association and of associating with the full length E1 protein and any derivative, variant or fragment thereof comprising the sequence of this invention. A specific aspect of this first embodiment, the amino acid domain of this invention delimited by amino acids 353 to 438 of the PV E1 protein. More particularly, the amino acid domain of this invention is as defined by SEQ ID NO. 2. There is also provided a cross-linking assay to directly measure the level of oligomerization (or inhibition thereof) of the E1 protein. In accordance with a fourth embodiment of this invention, there is provided a N-terminally truncated E1 protein. More particularly, one aspect of this fourth embodiment encompasses the E1 protein delimited by amino acid 72 to 649 (SEQ ID NO. 78).
    • 提供了由E1蛋白的寡聚化所必需的PV E1蛋白质区域A所描绘的氨基酸序列,以及由氨基酸352和439所描绘的任何衍生变体或片段。 该氨基酸序列能够自身结合并与全长E1蛋白及其包含本发明序列的任何衍生物,变体或片段缔合。 本第一实施方案的具体方面,本发明的氨基酸结构域由PV E1蛋白质的氨基酸353至438界定。 更具体地,本发明的氨基酸结构域如SEQ ID NO: 还提供了直接测量E1蛋白的低聚(或抑制)水平的交联测定法。 根据本发明的第四个实施方案,提供了N-末端截短的E1蛋白。 更具体地,该第四实施方案的一个方面包括由氨基酸72至649(SEQ ID NO:78)限定的E1蛋白。
    • 9. 发明申请
    • E2 displacement assay for identifying inhibitors of HPV
    • 用于鉴定HPV抑制剂的E2位移测定
    • US20030194698A1
    • 2003-10-16
    • US10358790
    • 2003-02-05
    • Boehringer Ingelheim (Canada) Ltd.
    • Peter WhiteChristiane Yoakim
    • C12Q001/70C07D451/12C07D491/12
    • C07D407/12C07D491/10G01N33/532G01N33/533G01N33/534G01N33/535G01N33/542G01N33/56983G01N33/581G01N33/582G01N33/583G01N33/60G01N2333/025G01N2500/10
    • The present invention generally relates to an assay for identifying inhibitors of Human Papillomavirus (HPV), comprising: a) contacting a HPV E2 transactivation domain with a probe to form a E2:probe complex and measuring a signal from said probe to establish a base line level; b) incubating the E2:probe complex with a test compound and measuring the signal from said probe; c) comparing the signal from step b) with the signal from step a); nullwherein said probe is a compound of formula (I) or its enantiomers or diastereoisomers thereof: 1 wherein R1, A, X, W, Y, R3 and R4 are as defined herein; or a derivative thereof, wherein said derivative is a probe of formula (I) labeled with a detectable label or an affinity tag, wherein wavy lines represent bonds of unspecified stereochemistry; and wherein said signal is selected from: fluorescence, resonance energy transfer, time resolved fluorescence, radioactivity, fluorescence polarization, change in the intrinsic spectral properties, luminescence and plasma-resonance; whereby a modulation in said signal is an indication that said test compound binds to said transactivation domain.
    • 本发明一般涉及用于鉴定人乳头瘤病毒(HPV)抑制剂的测定法,其包括:a)使HPV E2反式激活结构域与探针接触以形成E2:探针复合物并测量来自所述探针的信号以建立基线 水平; b)将E2:探针复合物与测试化合物孵育并测量所述探针的信号; c)将来自步骤b)的信号与来自步骤a)的信号进行比较; 其中所述探针是式(I)化合物或其对映体或非对映异构体:其中R 1>,A,X,W,Y,R 3>和R 4> 在这里 或其衍生物,其中所述衍生物是用可检测标记或亲和标签标记的式(I)的探针,其中波浪线表示未指定的立体化学键; 并且其中所述信号选自:荧光,共振能量转移,时间分辨荧光,放射性,荧光偏振,固有光谱性质的变化,发光和等离子体共振; 由此所述信号中的调节是所述测试化合物结合所述反式激活结构域的指示。