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    • 17. 发明授权
    • Polypeptides derived from major histocompatibility complex Class I
antigen
    • 多肽衍生自主要组织相容性复合体I类抗原
    • US5516642A
    • 1996-05-14
    • US976872
    • 1992-11-16
    • Claudio MapelliChester A. Meyers
    • Claudio MapelliChester A. Meyers
    • A61K38/00C07K14/74C07K7/08C07K14/00G01N33/534
    • C07K14/70539A61K38/00
    • Disclosed herein are polypeptides of the formulaR.sup.1 --AA--A.sup.1 --A.sup.2 --A.sup.3 --A.sup.4 --A.sup.5 --A.sup.6 --A.sup.7 --A.sup.8 --A.sup.9 --A.sup.10 --A.sup.11 --A.sup.12 --A.sup.13 --R.sup.2 that are useful in treatment of diabetes mellitus, wherein:AA is a single bond or a polypeptide chain of 1 to 12 natural amino acid residues;A.sup.1 is seryl, A.sup.2 is phenylalanyl, A.sup.3 is arginyl, A.sup.4 is valyl, A.sup.5 is aspartyl, A.sup.6 is leucyl, A.sup.7 is arginyl, A.sup.8 is threonyl, A.sup.9 is leucyl, A.sup.10 is leucyl, A.sup.11 is arginyl, and A.sup.12 is tyrosyl, wherein one of A.sup.1 through A.sup.12 may be replaced with a natural amino acid residue, and wherein when A.sup.12 is phenylalanyl, tyrosyl or tryptophyl, its aromatic ring may be substituted with 1 or 2 iodo atoms;A.sup.13 is a natural amino acid residue other than tyrosyl, the D-form of a natural amino acid residue, --N(R.sup.4)--CH(R.sup.3)--C(O)--, or --N(R.sup.4)--CH(R.sup.3)--CH.sub.2 --;R.sup.1 is hydrogen, lower alkyl, R.sup.5 --C(O)--, aryl, aryl(lower alkyl), cycloalkyl, cycloalkyl(lower alkyl), aryl(lower alkoxy), cycloalkyl(lower alkoxy), or arylsulfenyl, wherein the aryl or cycloalkyl may be substituted with 1 to 5 substituents selected from 1 to 5 halo, 1 to 3 nitro, 1 to 5 lower alkyl, and 1 to 5 lower alkoxy groups;R.sup.2 is hydrogen, lower alkyl, aryl, aryl(lower alkyl), cycloalkyl, cycloalkyl(lower alkyl), hydroxyl, lower alkoxy, aryloxy, aryl(lower alkoxy), cycloalkyloxy, cycloalkyl(lower alkoxy), N.sub.3, --NR.sup.6 R.sup.7, or --N(R.sup.8)--NR.sup.6 R.sup.7 ;R.sup.3 is hydrogen, --R.sup.9 --R.sup.10, or --NR.sup.6 R.sup.7, and R.sup.4 is hydrogen or alkyl, or R.sup.3 and R.sup.4 together are alkylene;and the remaining symbols are as defined in the specification.
    • 本文公开了可用于治疗糖尿病的式R1-AA-A1-A2-A3-A4-A5-A6-A7-A8-A9-A10-A11-A12-A13-R2的多肽,其中:AA 是1至12个天然氨基酸残基的单键或多肽链; A1为丝氨酰基,A2为苯丙氨酰基,A3为缬氨酰基,A4为缬氨酰基,A5为天冬氨酰基,A6为亮氨酰,A7为芳基,A8为苏氨酰基,A9为亮氨酰,A10为亮氨酰,A12为酪氨酰, A1至A12之一可以被天然氨基酸残基替代,并且其中当A12是苯丙氨酰,酪氨酰或色氨酸时,其芳环可以被1或2个碘原子取代; A13是除酪氨酰之外的天然氨基酸残基,天然氨基酸残基的D型,-N(R 4)-CH(R 3)-C(O) - 或-N(R 4)-CH(R 3) -CH 2 - ; R1是氢,低级烷基,R5-C(O) - ,芳基,芳基(低级烷基),环烷基,环烷基(低级烷基),芳基(低级烷氧基),环烷基(低级烷氧基)或芳硫基, 环烷基可以被1至5个选自1至5个卤素,1至3个硝基,1至5个低级烷基和1至5个低级烷氧基的取代基取代; R2是氢,低级烷基,芳基,芳基(低级烷基),环烷基,环烷基(低级烷基),羟基,低级烷氧基,芳氧基,芳基(低级烷氧基),环烷氧基,环烷基(低级烷氧基),N3,-NR6R7或 -N(R 8)-NR 6 R 7; R3是氢,-R9-R10或-NR6R7,R4是氢或烷基,或R3和R4一起是亚烷基; 其余符号如说明书中所定义。