AN ACANTHAMOEBA UBIQUITIN-FUSION PROTEIN - CDNA AND DEDUCED PROTEIN-SEQUENCE

被引:9
作者
AHN, KS [1 ]
HENNEY, HR [1 ]
机构
[1] UNIV HOUSTON,DEPT BIOL,HOUSTON,TX 77204
来源
BIOCHIMICA ET BIOPHYSICA ACTA-GENE STRUCTURE AND EXPRESSION | 1994年 / 1218卷 / 01期
关键词
UBIQUITIN; FUSION PROTEIN; NUCLEOTIDE SEQUENCE; CDNA; (ACANTHAMOEBA);
D O I
10.1016/0167-4781(94)90110-4
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
We have isolated and sequenced a 525 bp ubiquitin cDNA (Acantub1) from the soil amoeba Acanthamoeba castellanii. The deduced amino acid (aa) sequence reveals that the Acantub1 gene product is a fusion protein consisting of 128 aa (76 aa ubiquitin and 52 aa 60S ribosomal protein). The Acantub1 protein sequence has unique substitutions at aa 28 (glutamine for alanine) and 121 (tryptophan for leucine) compared to the 8 highest homologous sequences in the databank. A putative 'zinc finger' nucleic acid-binding domain was located in the 52 aa ribosomal protein. Northern analyses reveal that the Acantub1 gene is regulated during development.
引用
收藏
页码:109 / 111
页数:3
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  • [1] THE TAILS OF UBIQUITIN PRECURSORS ARE RIBOSOMAL-PROTEINS WHOSE FUSION TO UBIQUITIN FACILITATES RIBOSOME BIOGENESIS
    FINLEY, D
    BARTEL, B
    VARSHAVSKY, A
    [J]. NATURE, 1989, 338 (6214) : 394 - 401
  • [2] UBIQUITINATION
    FINLEY, D
    CHAU, V
    [J]. ANNUAL REVIEW OF CELL BIOLOGY, 1991, 7 : 25 - 69
  • [3] THE UBIQUITIN-CONJUGATION SYSTEM
    JENTSCH, S
    [J]. ANNUAL REVIEW OF GENETICS, 1992, 26 : 179 - 207
  • [4] INTRACELLULAR-DISTRIBUTION OF PROTEIN AS A DETERMINANT FOR UBIQUITINATION AND PROTEOLYTIC DEGRADATION
    MAGNANI, M
    CRINELLI, R
    CORSI, D
    SERAFINI, G
    [J]. ANNALS OF THE NEW YORK ACADEMY OF SCIENCES, 1992, 673 : 103 - 109
  • [5] THE YEAST UBIQUITIN GENES - A FAMILY OF NATURAL GENE FUSIONS
    OZKAYNAK, E
    FINLEY, D
    SOLOMON, MJ
    VARSHAVSKY, A
    [J]. EMBO JOURNAL, 1987, 6 (05) : 1429 - 1439
  • [6] IDENTIFICATION OF THE LONG UBIQUITIN EXTENSION AS RIBOSOMAL PROTEIN-S27A
    REDMAN, KL
    RECHSTEINER, M
    [J]. NATURE, 1989, 338 (6214) : 438 - 440