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    • 3. 发明申请
    • Method of Preparing Botulinum Neurotoxin Type E Light Chain
    • 肉毒杆菌神经毒素E型轻链的制备方法
    • US20090182123A1
    • 2009-07-16
    • US12273157
    • 2008-11-18
    • Eric A. JohnsonMarite BradshawMichael BaldwinJoseph T. Barbieri
    • Eric A. JohnsonMarite BradshawMichael BaldwinJoseph T. Barbieri
    • C07K14/33
    • C07K14/33
    • The present invention provides a preparation of botulinum toxin light chain type A or E, wherein the preparation is both catalytically active and soluble. Preferably, the preparation consists essentially of amino acid residues 1 through 425 of the botulinum toxin light chain type A. A method of screening inhibitors is also provided, wherein the method comprises exposing a test inhibitor to the preparation of botulinum toxin light chain type A and evaluating the biological activity of the preparation. In another embodiment, a method of providing a catalytically active, soluble preparation of botulinum toxin light chain, type A is provided, wherein the method comprises obtaining an expression vector comprising a DNA sequence encoding amino acid residues 1-425 and expressing a polypeptide.
    • 本发明提供了A型或E型轻链型肉毒杆菌毒素的制备方法,其中所述制剂既具有催化活性,又具有可溶性。 优选地,制剂基本上由A型肉毒毒素轻链的氨基酸残基1至425组成。还提供了筛选抑制剂的方法,其中所述方法包括将测试抑制剂暴露于A型轻链A型肉毒杆菌毒素的制备中, 评估制剂的生物活性。 在另一个实施方案中,提供了提供A型肉毒毒素轻链的催化活性可溶性制剂的方法,其中所述方法包括获得包含编码氨基酸残基1-425的DNA序列并表达多肽的表达载体。
    • 4. 发明授权
    • Method for preparing botulinum neurotoxin type A light chain
    • 制备肉毒杆菌神经毒素A型轻链的方法
    • US07465457B2
    • 2008-12-16
    • US11404289
    • 2006-04-14
    • Eric A. JohnsonMarite BradshawMichael BaldwinJoseph T. Barbieri
    • Eric A. JohnsonMarite BradshawMichael BaldwinJoseph T. Barbieri
    • A61K39/08C12P21/02
    • C07K14/33
    • The present invention provides a preparation of botulinum toxin light chain type A or E, wherein the preparation is both catalytically active and soluble. Preferably, the preparation consists essentially of amino acid residues 1 through 425 of the botulinum toxin light chain type A. A method of screening inhibitors is also provided, wherein the method comprises exposing a test inhibitor to the preparation of botulinum toxin light chain type A and evaluating the biological activity of the preparation. In another embodiment, a method of providing a catalytically active, soluble preparation of botulinum toxin light chain, type A is provided, wherein the method comprises obtaining an expression vector comprising a DNA sequence encoding amino acid residues 1-425 and expressing a polypeptide.
    • 本发明提供了A型或E型轻链型肉毒杆菌毒素的制备方法,其中所述制剂既具有催化活性,又具有可溶性。 优选地,制剂基本上由A型肉毒毒素轻链的氨基酸残基1至425组成。还提供了筛选抑制剂的方法,其中所述方法包括将测试抑制剂暴露于A型轻链A型肉毒杆菌毒素的制备 评估制剂的生物活性。 在另一个实施方案中,提供了提供A型肉毒毒素轻链的催化活性可溶性制剂的方法,其中所述方法包括获得包含编码氨基酸残基1-425的DNA序列并表达多肽的表达载体。
    • 5. 发明授权
    • Method of preparing botulinum neurotoxin type E light chain
    • 制备肉毒杆菌神经毒素E型轻链的方法
    • US07833524B2
    • 2010-11-16
    • US12273157
    • 2008-11-18
    • Eric A. JohnsonMarite BradshawMichael BaldwinJoseph T. Barbieri
    • Eric A. JohnsonMarite BradshawMichael BaldwinJoseph T. Barbieri
    • C12P1/04
    • C07K14/33
    • The present invention provides a preparation of botulinum toxin light chain type A or E, wherein the preparation is both catalytically active and soluble. Preferably, the preparation consists essentially of amino acid residues 1 through 425 of the botulinum toxin light chain type A. A method of screening inhibitors is also provided, wherein the method comprises exposing a test inhibitor to the preparation of botulinum toxin light chain type A and evaluating the biological activity of the preparation. In another embodiment, a method of providing a catalytically active, soluble preparation of botulinum toxin light chain, type A is provided, wherein the method comprises obtaining an expression vector comprising a DNA sequence encoding amino acid residues 1-425 and expressing a polypeptide.
    • 本发明提供了A型或E型轻链型肉毒杆菌毒素的制备方法,其中所述制剂既具有催化活性,又具有可溶性。 优选地,制剂基本上由A型肉毒毒素轻链的氨基酸残基1至425组成。还提供了筛选抑制剂的方法,其中所述方法包括将测试抑制剂暴露于A型轻链A型肉毒杆菌毒素的制备 评估制剂的生物活性。 在另一个实施方案中,提供了提供A型肉毒毒素轻链的催化活性可溶性制剂的方法,其中所述方法包括获得包含编码氨基酸残基1-425的DNA序列并表达多肽的表达载体。
    • 9. 发明授权
    • Cloned nucleotide pyrophosphohydrolase and uses thereof
    • 克隆核苷酸焦磷酸水解酶及其用途
    • US5986080A
    • 1999-11-16
    • US954333
    • 1997-10-17
    • Ikuko MasudaJoseph T. BarbieriArthur L. HaasBrian D. HalliganDaniel J. McCartyLawrence M. Ryan
    • Ikuko MasudaJoseph T. BarbieriArthur L. HaasBrian D. HalliganDaniel J. McCartyLawrence M. Ryan
    • C12N9/16C07N21/04C12N1/20C12N9/14C12N15/00
    • C12N9/16
    • We have cloned and sequenced the cDNA encoding the 61 kD active fragment of a unique porcine chondrocyte nucleotide pyrophosphohydrolase (NTPPHase) from a porcine chondrocyte library. Degenerate oligonucleotides, corresponding to the N-terminal amino acid sequence of this peptide were hybridized to porcine chondrocyte cDNA and used to amplify DNA encoding the N-terminal sequence of 61 kD with the polymerase chain reaction (PCR). The PCR products were then used as probes to clone the entire open reading-frame for the 61 kD fragment from a porcine chondrocyte cDNA library. The length of the cloned cDNA was 2509 bp. Translation of the open-reading-frame predicts the 61 kD fragment to be a 459 amino acid protein. BLAST and FASTA analysis confirmed that this amino acid sequence was unique and did not possess high homology to any known proteins in the non-redundant protein data base. Limited homology (17%) between the 61 kD fragment and several prokaryotic and eukaryotic ATP pyrophosphate-lyase (adenylate cyclase) was detected. Northern blot analysis of porcine chondrocyte RNA showed that the DNA encoding the 61 kD fragment hybridized to a 4.3 kbp RNA transcript. Human chondrocyte RNA also hybridized to this porcine DNA probe. Coupled in vitro transcription translation of an expression vector containing the DNA insert in frame showed the expression of a 61 kD protein.
    • 我们已经从猪软骨细胞库克隆并测序了编码独特猪软骨细胞核苷酸焦磷酸水解酶(NTPPHase)的61kD活性片段的cDNA。 对应于该肽的N末端氨基酸序列的简并寡核苷酸与猪软骨细胞cDNA杂交,并用聚合酶链反应(PCR)扩增编码61kD N末端序列的DNA。 然后将PCR产物用作探针,以克隆来自猪软骨细胞cDNA文库的61kD片段的整个开放阅读框。 克隆的cDNA的长度为2509bp。 开放阅读框的翻译将61 kD片段预测为459个氨基酸的蛋白质。 BLAST和FASTA分析证实,该氨基酸序列是独特的,并且与非冗余蛋白质数据库中的任何已知蛋白质不具有高同源性。 检测到61kD片段与几种原核和真核ATP焦磷酸裂解酶(腺苷酸环化酶)之间的有限同源性(17%)。 猪软骨细胞RNA的Northern印迹分析表明,编码61kD片段的DNA与4.3kbp RNA转录物杂交。 人类软骨细胞RNA也与猪DNA探针杂交。 在框架中包含DNA插入片段的表达载体的体外转录翻译显示61kD蛋白的表达。