Youyan Guo

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To investigate the effect of missense mutation in PCSK9 gene R306S on the metabolism of LDL and to analyze its relationship between structure and function. METHODS The wild type PCSK9 gene and the second or the third grade structures of the mutant R306S coding protein were all forecasted with the aid of Expert Protein Analysis System. The PCSK9 gene(More)
In this study, the complete mitochondrial DNA of the hybrid of Simmental and Qinghai local cattle breed was sequenced and analyzed. The total mitochondrial genome sequence is 16,339 bp in length including 1 control region (D-loop), 22 tRNA genes, 2 rRNA genes and 13 protein-coding genes. The description of all genes is similar to the typical mitochondrial(More)
Intrusion detection techniques at the level of system processes are discussed, and a new method named VAHD (Variable-length Average Hamming Distance) is presented, which can be used to monitor and calculate deviation to discriminate between normal and abnormal sequences of system calls. For the reason that fixed-length patterns can not describe the system(More)
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