PURIFICATION AND PARTIAL CHARACTERIZATION OF CD9 ANTIGEN OF HUMAN PLATELETS

被引:20
作者
HIGASHIHARA, M [1 ]
TAKAHATA, K [1 ]
YATOMI, Y [1 ]
NAKAHARA, K [1 ]
KUROKAWA, K [1 ]
机构
[1] KUREHA CHEM IND CO LTD, SHINJUKU KU, TOKYO 160, JAPAN
关键词
CD9; N-terminal sequence; Platelet;
D O I
10.1016/0014-5793(90)80265-K
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
CD9 antigen (p24) was purified from human platelets and partially characterized. The yield was 75 μg from 10 units of platelet concentrates. p24 (38 000 copies/platelet) has intramolecular disulfide bond(s) and, in SDS-PAGE, consists of major 24-kDa molecule and minor 26- to 31-kDa molecules. The N-terminal sequence of p24, PVKGOTKXIKYLLFGFNFIF, indicates that the protein has not previously been characterized and amino terminus (position 12-20) is hydrophobic. © 1990.
引用
收藏
页码:270 / 274
页数:5
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