نتایج جستجو برای: amino acid sequences
تعداد نتایج: 992150 فیلتر نتایج به سال:
Vpr is an HIV-1 accessory protein that plays numerous roles during viral replication, and some of which are cell type dependent. To test the hypothesis that HIV-1 tropism extends beyond the envelope into the vpr gene, studies were performed to identify the associations between coreceptor usage and Vpr variation in HIV-1-infected patients. Colinear HIV-1 Env-V3 and Vpr amino acid sequences were ...
1. The common ancestry of life is supported by an enormous body of evidence and is universally accepted within the scientific community. However, some potential sources of data that can be used to test the thesis of common ancestry have not yet been formally analyzed. 2. We developed a new test of common ancestry based on nucleotide sequences at amino acid invariant sites in aligned homologous ...
Three highly purified forms of rat liver microsomal cytochrome P-450 (P-450,, P-45Ob, P-450,) are shown to be distinct proteins based on comparisons of their amino acid compositions, automated sequence analyses of the first 19 amino acids, and carboxypeptidase analyses of the COOH-terminal sequences. These three forms of cytochrome P-450 were purified from liver microsomes of rats pretreated wi...
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