STRIKING HOMOLOGY OF THE VARIABLE N-TERMINAL AS WELL AS THE CONSERVED CORE DOMAINS OF THE MOUSE AND HUMAN TATA-FACTORS (TFIID)

被引:82
作者
TAMURA, T
SUMITA, K
FUJINO, I
AOYAMA, A
HORIKOSHI, M
HOFFMANN, A
ROEDER, RG
MURAMATSU, M
MIKOSHIBA, K
机构
[1] NATL INST BASIC BIOL,DIV BEHAV & NEUROBIOL,OKAZAKI,AICHI 444,JAPAN
[2] OSAKA UNIV,INST PROT RES,DIV MACROMOLEC FUNCT,SUITA,OSAKA 565,JAPAN
[3] ROCKEFELLER UNIV,BIOCHEM & MOLEC BIOL LAB,NEW YORK,NY 10021
[4] UNIV TOKYO,FAC MED,DEPT BIOCHEM,BUNKYO KU,TOKYO 113,JAPAN
基金
美国国家卫生研究院;
关键词
RNA POLYMERASE-II; GENERAL TRANSCRIPTION FACTOR; IMMEDIATE EARLY PROTEIN; MYELIN BASIC-PROTEIN; BOX-BINDING-PROTEIN; PROMOTER INTERACTIONS; SCHIZOSACCHAROMYCES-POMBE; SACCHAROMYCES-CEREVISIAE; PREINITIATION COMPLEX; FUNCTIONAL DOMAINS;
D O I
10.1093/nar/19.14.3861
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
A complementary DNA (cDNA) encoding a mouse TFIID (mIID) was isolated from mouse brain cDNA libraries. The 316 amino acid sequence deduced from cDNA sequences revealed the presence of an amino-terminal region enriched in serine, threonine, and proline (STP-cluster), an uninterrupted stretch of 13 glutamine residues (Q-run), a second STP-cluster, and a conserved carboxy-terminal region. Amino acid sequences of the first STP-cluster and the conserved carboxy-terminal region were identical to those of the human TFIID (hIID). However, the Q-run was considerably shorter than that in hIID and sequences in the second STP-cluster diverged from those of the hIID. The murine TFIID transcript is expressed as a 2 kilobase poly(A)+ RNA in the mouse brain. Southern blot analysis identified a single gene copy per haploid mouse genome.
引用
收藏
页码:3861 / 3865
页数:5
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