Viruses model building

In Section 2, a review of the salient structural features of proteins is presented, followed in Section 3 by a discussion of homology-based model building. An example of the model-building process, as applied to Domain I of CD4 (CD4-I) - the T-cell surface protein [16] which binds to Human Immunodeficiency Virus (HIV), is presented to illustrate the various steps of the process. Section 4 discusses a number of issues which bear on the future of homology-based model building. 

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