Proteomics

Dataset Information

0

Co-immunoprecipitation of proteins with WT HIV-1 IN, K258R HIV-IN, and K258/264/266/273R


ABSTRACT: Co-IP of HIV-1 integrase proteins - WT, K258R and K258/264/266/273R. Integrase proteins were cloned into a mammalian expression vector (pJET). All proteins had an N-terminal HA-tag used for IP. As a negative control, cells were transfected with an empty HA vector. Co-IPs were done in HEK293T cells.

INSTRUMENT(S): Orbitrap Fusion Lumos

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Cell Culture

SUBMITTER: Shelby Winans  

LAB HEAD: Stephen P. Goff

PROVIDER: PXD031825 | Pride | 2022-05-20

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
MS206140LUM_shelby_control_a.raw Raw
MS206140LUM_shelby_goff__1_.xlsx Xlsx
MS206140LUM_shelby_k258_264_266_273r_a.raw Raw
MS206140LUM_shelby_k258r_a.raw Raw
MS206140LUM_shelby_wt_a.raw Raw
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Publications

A point mutation in HIV-1 integrase redirects proviral integration into centromeric repeats.

Winans Shelby S   Yu Hyun Jae HJ   de Los Santos Kenia K   Wang Gary Z GZ   KewalRamani Vineet N VN   Goff Stephen P SP  

Nature communications 20220318 1


Retroviruses utilize the viral integrase (IN) protein to integrate a DNA copy of their genome into host chromosomal DNA. HIV-1 integration sites are highly biased towards actively transcribed genes, likely mediated by binding of the IN protein to specific host factors, particularly LEDGF, located at these gene regions. We here report a substantial redirection of integration site distribution induced by a single point mutation in HIV-1 IN. Viruses carrying the K258R IN mutation exhibit a high fre  ...[more]

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