Form of polymorphismmay allow the disease to maintain the integrase structural and functional properties as seen in this study. Studies investigating the existence and frequency of polymorphisms within the HIV 1 gene CHK1 inhibitor of treatment native patients are really important for tracing the virus evolution and the epidemiology of HIV infections global. Associated important questions concern the result of polymorphisms on viral enzymatic actions, vulnerability towards inhibitors, and chemical resistance pathways. The absence of precise experimental data characterising the IN and/or IN vDNA complicated buildings primarily perplexes an exploration of the essential topics. Since the beginning of clinical AIDS therapy with RAL in 2007, only a few attempts to probe RAL binding to integrase from different retroviral traces have already been described. Especially, molecular docking of RAL into the IN catalytic core domain structure with the inhibitor 5CITEP as a viral DNA copy has depicted distinct binding modes and affinities of RAL to IN from C and B subtypes. Differences between the binding modes of several substances to IN from B and C sub-types were also proclaimed. In Organism this situation, our mixed theoretical and experimental evaluation of subtype CRF02 AG alternative impact/effect on IN interaction with DNA or IN susceptibility to INSTIs subscribe to the knowledge of polymorphism results at the molecular and structural level. Our experiments have revealed that IN from subtype CRF02 AG has equivalent enzymatic activity to IN from subtype B, and the vulnerability of the 2 INs to strand shift inhibitors is comparable. Results from molecular modeling and inhibitor docking were present in agreement with in vitro observations. Biochemical studies have revealed the effect of HIV 1 normal polymorphism on the vulnerability of protease another retroviral chemical to inhibitors. New structural and biophysical studies also have shown that Lu AA21004 sequence polymorphisms of B and CRF01 AE strains can change protease activity and PR inhibitors binding. The methods we applied may be employed for the study of other retroviral substrains rising at the moment or even to come in the future so that you can evaluate and optimize the effectiveness of novel specific antiretrovirals.