| 发明名称 |
PREPARATION OF ENZYME FOR CONVERSION OF SUB-TYPE A AND AB ERYTHROCYTES |
| 摘要 |
This invention relates to an improved method of purifying the enzyme alpha -N-acetylgalactosaminidase from avian liver, as well as to the purified enzyme. The enzyme is capable of removing A antigens from the surface of cells in blood products. The method of purifying the enzyme is simple and time efficient, and lends itself to large scale production. |
| 申请公布号 |
WO9409121(A1) |
申请公布日期 |
1994.04.28 |
| 申请号 |
WO1993US10122 |
申请日期 |
1993.10.21 |
| 申请人 |
THE NEW YORK BLOOD CENTER, INC. |
发明人 |
GOLDSTEIN, JACK;HURST, ROSA, S. |
| 分类号 |
A61K35/18;C12N9/24;(IPC1-7):C12N9/24;C12N9/26;C12N9/14;C12N9/40 |
主分类号 |
A61K35/18 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
