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    • 3. 发明授权
    • α1-6 fucosyltransferase
    • α1-6岩藻糖基转移酶
    • US07264955B2
    • 2007-09-04
    • US10844432
    • 2004-05-13
    • Naoyuki TaniguchiNaofumi UozumiTetsuo ShibaShusaku Yanagidani
    • Naoyuki TaniguchiNaofumi UozumiTetsuo ShibaShusaku Yanagidani
    • C12N9/10C07H21/04C12P21/06
    • C12N9/1051
    • An isolated, porcine α1-6 fucosyltransferase having the following physico-chemical properties: (1) action: transferring fucose from guanosine diphosphate-fucose to a hydroxy group at 6-position of GluNAc closest to R of a receptor (GlcNAcβ1-2Manα1-6)(GlcNAcβ1-2Manα1-3)Manβ1-4GlcNAcβ1-4GlucNAc-R wherein R is an asparagine residue or a peptide chain carrying said residue, whereby to form (GlcNAcβ1-2Manα1-6)-(GlcNAcβ1-2Manα1-3)Manα1-4GlcNAcβ1-4(Fucα1-6)GlucNAc-R (2) optimum pH: about 7.0 (3) pH stability: retains activity after 5 hours of treatment at 4° C. at a pH range of 4.0-10.0 (4) optimum temperature: about 30-37° C. (5) inhibition or activation: no requirement for divalent metal for expression of activity; no inhibition of activity in the presence of 5 mM EDTA (6) molecular weight: about 60,000 by SDS-polyacrylamide gel electrophoresis is provided. An isolated polynucleotide encoding porcine α1-6 fucosyltransferase is also provided. Expression vectors comprising a polynucleotide encoding porcine α1-6 fucosyltransferase are also provided.
    • 具有以下物理化学性质的分离的猪α1-6岩藻糖基转移酶:(1)作用:将岩藻糖从鸟苷二磷酸 - 岩藻糖转移到最接近受体R的GluNAc的6-位的羟基(GlcNAcbeta1-2Manalpha1-6 )(GlcNAcbeta1-2Manalpha1-3)Manbeta1-4GlcNAcbeta1-4GlucNAc-R其中R是携带所述残基的天冬酰胺残基或肽链,由此形成(GlcNAcbeta1-2Manalpha1-6) - (GlcNAcbeta1-2Manalpha1-3)Manalpha1-4GlcNAcbeta1 -4(Fucalpha1-6)GlucNAc-R(2)最适pH:约7.0(3)pH稳定性:在4.0〜1.0.0的pH范围内,4℃下处理5小时后保持活性(4)最适温度: 约30-37℃。(5)抑制或活化:不需要二价金属来表达活性; 提供了通过SDS-聚丙烯酰胺凝胶电泳在5mM EDTA(6)分子量:约60,000存在下的活性抑制。 还提供了编码猪α1-6岩藻糖基转移酶的分离的多核苷酸。 还提供了包含编码猪α1-6岩藻糖基转移酶的多核苷酸的表达载体。
    • 4. 发明授权
    • &agr;1-6 fucosyltransferase
    • α1-6岩藻糖基转移酶
    • US06291219B1
    • 2001-09-18
    • US09442629
    • 1999-11-18
    • Naoyuki TaniguchiNaofumi UozumiTetsuo ShibaShusaku Yanagidani
    • Naoyuki TaniguchiNaofumi UozumiTetsuo ShibaShusaku Yanagidani
    • C12N900
    • C12N9/1051
    • Porcine- or human-derived &agr;1-6 fucosyltransferases having the following action: action: transferring fucose from guanosine diphosphate-fucose to the hydroxy group at 6-position of GluNAc closest to R of a receptor (GlcNAc&bgr;1-2Man&agr;1-6) (GlcNAc&bgr;1-2Man&agr;1-3) Man&bgr;1-4GlcNAc&bgr;1-4GlucNAc-R wherein R is an asparagine residue or a peptide chain carrying said residue, whereby to form (GlcNAc&bgr;1-2Man&agr;1-6)-(GlcNAc&bgr;1-2Man&agr;1-3)Man&bgr;1-4GlcNAc&bgr;1-4(Fuc&agr;1-6)GlucNAc-R; a gene encoding these enzymes; an expression vector containing the gene; a transformant prepared by using this expression vector; and a method for producing a recombinant &agr;1-6 fucosyltransferase, by culturing the transformant.
    • 具有以下作用的猪或人来源的α1-6岩藻糖基转移酶:作用:将岩藻糖从鸟苷二磷酸岩藻糖转移到最接近受体R的GluNAc的6位羟基(GlcNAcbeta1-2Manalpha1-6)(GlcNAcβ1- 2Manalpha1-3)Manbeta1-4GlcNAcbeta1-4GlucNAc-R其中R是携带所述残基的天冬酰胺残基或肽链,由此形成(GlcNAcbeta1-2Manalpha1-6) - (GlcNAcbeta1-2Manalpha1-3)Manbeta1-4GlcNAcbeta1-4(Fucalpha1 -6)GlucNAc-R; 编码这些酶的基因; 含有该基因的表达载体; 通过使用该表达载体制备的转化体; 以及通过培养转化体来制备重组α1-6岩藻糖基转移酶的方法。
    • 5. 发明授权
    • .alpha.1-6 fucosyltransferase
    • α1-岩藻糖基转移酶
    • US6054304A
    • 2000-04-25
    • US913805
    • 1998-01-07
    • Naoyuki TaniguchiNaofumi UozumiTetsuo ShibaShusaku Yanagidani
    • Naoyuki TaniguchiNaofumi UozumiTetsuo ShibaShusaku Yanagidani
    • C12N9/10C12N15/54A23J1/00C12N1/20C12N5/00
    • C12N9/1051
    • Porcine- or human-derived .alpha.1-6 fucosyltransferases having the following action:action: transferring fucose from guanosine adiphosphate-fucose to the hydroxy group at 6-position of GlcNAc closest to R of a receptor (GlcNAc.beta.1-2Man.alpha.1-6)(GlcNAc.beta.1-2Man.alpha.1-3)Man.beta.1-4GlcNAc.beta.1-4GlcNAc-R wherein R is an asparagine residue or a peptide chain carrying said residue, whereby to form (GlcNAc.beta.1-2Man.alpha.1-6)-(GlcNAc.beta.1-2Man.alpha.1-3)Man.beta.1-4GlcNAc.beta.1-4(Fuc.alpha.1-6)GlcNAc-R; a gene encoding these enzymes; an expression vector containing the gene; a transformant prepared by using this expression vector; and a method for producing a recombinant .alpha.1-6 fucosyltransferase, by culturing the transformant.
    • PCT No.PCT / JP97 / 00171 Sec。 371日期:1998年1月7日 102(e)1998年1月7日PCT PCT 1997年1月23日PCT公布。 公开号WO97 / 27303 日期1997年7月31日具有以下作用的雄激素或人源α1-岩藻糖基转移酶:作用:将岩藻糖从鸟苷酸岩藻糖转移到最接近受体R的GlcNAc的6位的羟基(GlcNAcβ1 -2Manα1-6)(GlcNAcβ1-2Manα1-3)Manβ1-4GlcNAcβ1-4GlcNAc-R其中R是携带所述残基的天冬酰胺残基或肽链,由此形成(GlcNAcβ1 -2Manα1-6) - (GlcNAcβ1-2Manα1-3)Manβ1-4GlcNAcβ1-4(Fucα1-6)GlcNAc-R; 编码这些酶的基因; 含有该基因的表达载体; 通过使用该表达载体制备的转化体; 以及通过培养转化体来产生重组α1-6岩藻糖基转移酶的方法。