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ENGINEERING OF RNASE T 1
Ikehara, Morio
Ikehara, Morio
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Issue Date
1989
Submitted date
2023-11-03
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Abstract
Ribonuclease Tl (RNase T1) was found in 1975 by Sato and Egamil from Aspergillus oryzae. This enzyme catalyzes hydrolysis of single-stranded RNA at guanylic acid 3'- phosphodiester sites. By this property RNase Tl is extremely useful for elucidation of primary structure of RNA's together with pancreatic RNase. The amino acid sequence of RNase Tl has been reported in 1965 , but it was corrected later in 1985.2 This enzyme consists of 104 amino acids and two disulfide bridges between Cys 2 and 10, as well as Cys6 and 103. RNase T1 is very stable towards heating and acidic conditions and suitable for biochemical and physicochemical studies.3 Recently three dimensional structure of this enzyme was elucidated by X-ray crystallography4:5 as a complex with an inhibitor guanosine 2'-phosphate. In this paper we attempted to obtain some details of structure-function relationship of RNase Tl by means of protein engineering.
Citation
Advances in protein design, 73 - 79
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Book chapter
conference paper
conference paper
Language
en
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Series/Report no.
GBF monographs ; Volume 12
ISSN
0930-4320
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ISBN
3527280243
0895739534
0895739534
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Attribution-NonCommercial-ShareAlike 4.0 International