主权项 |
1. An isolated TIMP-3 mutein having a mature region that is at least 95% identical in amino acid sequence to the mature region of TIMP-3 set forth in SEQ ID NO:2, having at least one mutation, the mutation being selected from the group consisting of K45E; K45N; K45S; V47T; K49N; K49E; K49S; K50N; L51T; L51N; V52T; K53T; P56N; F57N; G58T; T63E; T63N; K65T; K65N; M67T; K68S; T74E; K75N; P77T; H78D; H78E; H78N; Q80E; Q80T; K94N; E96T; E96N; V97N; N98T; K99T; D110N; K112T; Q126N; K133S; R138T; R138N; H140T; T158N; K160T; T166N; M168T; G173T; H181N; A183T; R186N; R186Q, R186E, K188T; K188Q, K188E, P201N; K203T; I205F, I205Y, A208G, A208V, and A208Y. |