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This work was supported by the Langqidao Company, Fuzhou Municipality, Fujian Province; and the State Tobacco Monopoly Administration.
The genomic DNA sequence of tomato pro-teinase inhibitor II gene (named tin2i, whose accession number in GenBank is AF007240) was isolated by PCR techniques. The intron sequence (TPI), with a length of 109 bp, owns ty...
This work was supported by the Special Funds for the Major State Basic Research Project (Grant No. G1999055903);the Climbing Project of China (Grant No. 970211019-3);the Hundred-Scientist-Program of the Chinese Academy of Sciences.
There are striking similiarities present between the behavior of invasive placentaL cells and that of invasive cancer cells. Matrix metalloproteinases (MMPs) are one of the most important mediators. MMP-28, the new me...
This work was supported by the State Key Basic Research Program (Grant Nos. G1998051021 and G1998051205); and the National Natural Science Foundation of China (Grant Nos. 39993420 and 39990570).
The aim of this study was to investigate the different expressions of MMP20 in the process of esophageal cancer. RT-PCR, immunohistochemistry and Western blot were employed to detect the mRNA expression and protein ex...
in part by the NationalNatural Science Foundation of China (Grant Nos. 39730310 and 39980007).
The molecular evolutionary tree, also known as a phylogenetic tree, of the serine proteinase superfamily was constructed by means of structural alignment. Three-dimensional structures of proteins were aligned by the S...
The interaction between Bacillis subtilis neutral proteinase (B.S.NP) and inorganic metal compounds (CoCI2, NiCI2) was investigated by 1H NMR spectroscopy. It has been shown that the Zn(Ⅱ) ion in the active center of...
The 33 ku protein, prepared from NaCI-treated PSII particles, has shown an single band by SDS-PAGE. After being dialyzed against the low-osmotic medium at 4癈, it has been found that the 33 ku protein degraded into se...
In recent years, great progress has been made in. producing plants resistant to insect attack by genetic engineering of B. t δ-endotoxin gene or plant proteinase inhibitor genes, and how to avoid the emergence of the...
Ⅰ. INTRODUCTION Proteinases and their inhibitors are widely distributed in nature. They play important roles in the biological regulation and control of a number of physiological processes. More than one hundred inhi...
Fraction I Protein (F-I-P) was first found in spinach mesophyll cells by Wildman and Bonner in 1947. Then, it was demonstrated that F-I-P existed wildly in plant kingdom and was a major component of soluble proteins i...
The 3-dimensional structures of bovine chymotrypsin and bovine trypsin are one of the earliest fruitful achievements in the field of protein crystallography. In 1970, R. M. Stroud et al. disclosed the stereoscopic str...