Structures of reverse transcriptase pre- and post-excision complexes shed new light on HIV-1 AZT resistance.
Structures of reverse transcriptase pre- and post-excision complexes shed new light on HIV-1 AZT resistance.
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DOI:
10.3390/v3010020
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发表时间:
2011-01
期刊:
影响因子:
--
通讯作者:
Scott WA
中科院分区:
文献类型:
--
作者:
Scott WA
HIV-1 resistance to 3′-azido-2′,3′-deoxythymidine (AZT, zidovudine) results from mutations in reverse transcriptase that increase the ability of the enzyme to excise AZT-monophosphate after it has been incorporated. Crystal structures of complexes of wild type and mutant reverse transcriptase with double-stranded DNA with or without the excision product, AZT adenosine dinucleoside tetraphosphate (AZTppppA), have recently been reported. The excision-enhancing mutations dramatically change the way the enzyme interacts with the excision product.
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