Spliceosomal snRNAs:: Mg2+-dependent chemistry at the catalytic core?

被引:66
作者
Villa, T [1 ]
Pleiss, JA [1 ]
Guthrie, C [1 ]
机构
[1] Univ Calif San Francisco, Dept Biochem & Biophys, San Francisco, CA 94143 USA
关键词
D O I
10.1016/S0092-8674(02)00726-2
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
Since the discovery of self-splicing RNAs, it has been suspected that the snRNAs are the catalytic components of the spliceosome. Recent evidence supports both the catalytic potential of the spliceosomal snRNAs and their resemblance to elements of group II introns.
引用
收藏
页码:149 / 152
页数:4
相关论文
共 17 条
[1]   Protein diversity from alternative splicing: A challenge for bioinformatics and post-genome biology [J].
Black, DL .
CELL, 2000, 103 (03) :367-370
[2]   A tertiary interaction that links active-site domains to the 5′ splice site of a group II intron [J].
Boudvillain, M ;
de Lencastre, A ;
Pyle, AM .
NATURE, 2000, 406 (6793) :315-318
[3]  
BURGE CB, 1998, RNA WORLD, V2, P525
[4]  
Collins CA, 2000, NAT STRUCT BIOL, V7, P850
[5]   Metal ion catalysis during the exon-ligation step of nuclear pre-mRNA splicing: Extending the parallels between the spliceosome and group II introns [J].
Gordon, PM ;
Sontheimer, EJ ;
Piccirilli, JA .
RNA, 2000, 6 (02) :199-205
[6]   Metal ion coordination by the AGC triad in domain 5 contributes to group II intron catalysis [J].
Gordon, PM ;
Piccirilli, JA .
NATURE STRUCTURAL BIOLOGY, 2001, 8 (10) :893-898
[7]   A NOVEL BASE-PAIRING INTERACTION BETWEEN U2 AND U6 SNRNAS SUGGESTS A MECHANISM FOR THE CATALYTIC ACTIVATION OF THE SPLICEOSOME [J].
MADHANI, HD ;
GUTHRIE, C .
CELL, 1992, 71 (05) :803-817
[8]   Mechanistic aspects of enzymatic catalysis: Lessons from comparison of RNA and protein enzymes [J].
Narlikar, GJ ;
Herschlag, D .
ANNUAL REVIEW OF BIOCHEMISTRY, 1997, 66 :19-59
[9]  
Sigel RKO, 2000, NAT STRUCT BIOL, V7, P1111
[10]   Composition and functional characterization of the yeast spliceosomal Penta-snRNP [J].
Stevens, SW ;
Ryan, DE ;
Ge, HY ;
Moore, RE ;
Young, MK ;
Lee, TD ;
Abelson, J .
MOLECULAR CELL, 2002, 9 (01) :31-44