Gene Name	PREX2
Gene ID	80243
Gene Full Name	phosphatidylinositol-3,4,5-trisphosphate dependent Rac exchange factor 2
Gene Alias	DEP.2|DEPDC2|P-REX2|PPP1R129
Transcripts	ENSG00000046889
Virus	HTLV1
Gene Type	protein-coding
HPA Location Info	Endoplasmic reticulum;
Membrane Info	Cancer-related genes, Plasma proteins, Predicted intracellular proteins
Uniport_ID	Q70Z35
HGNC ID	HGNC:22950
OMIM ID	612139
Summary	The protein encoded by this gene belongs to the phosphatidylinositol 3,4,5-trisphosphate (PIP3)-dependent Rac exchanger (PREX) family, which are Dbl-type guanine-nucleotide exchange factors for Rac family small G proteins. Structural domains of this protein include the catalytic diffuse B-cell lymphoma homology and pleckstrin homology (DHPH) domain, two disheveled, EGL-10, and pleckstrin homology (DEP) domains, two PDZ domains, and a C-terminal inositol polyphosphate-4 phosphatase (IP4P) domain that is found in one of the isoforms. This protein facilitates the exchange of GDP for GTP on Rac1, allowing the GTP-bound Rac1 to activate downstream effectors. Studies also show that the pleckstrin homology domain of this protein interacts with the phosphatase and tensin homolog (PTEN) gene product to inhibit PTEN phosphatase activity, thus activating the phosphoinositide-3 kinase (PI3K) signaling pathway. Conversely, the PTEN gene product has also been shown to inhibit the GEF activity of this protein. This gene plays a role in insulin-signaling pathways, and either mutations or overexpression of this gene have been observed in some cancers. [provided by RefSeq, Apr 2016]

Integration Table: if previous studies reported that target gene was altered by virus integration events, the overlap between VISs in this literature and Cistrome factors was listed in this section

DVID	Chromosome	HM	TFBS	CA	Sum of Overlapped Records	Detail
6006576	chr8	6	16	44	66	View
6010745	chr8	29	0	0	29	View
6013007	chr8	5	14	1	20	View
6023227	chr8	2	2	0	4	View

Data ID	Experiment type	Sample number	Platform
C   GSE94732	Chip-seq	24	Illumina NextSeq 500 (Homo sapiens);illumina Genome Analyzer IIx (Homo sapiens)
GSE168557	Expression array	6	Agilent-039494 SurePrint G3 Human GE v2 8x60K Microarray 039381 (Feature Number version)
GSE52244	Expression array	15	[HuEx-1_0-st] Affymetrix Human Exon 1.0 ST Array [probe set (exon) version]
GSE10789	Expression array	6	NCI/ATC Hs-OperonV3
GSE189602	Methylation profiling (Array)	4	Infinium MethylationEPIC
GSE136189	Methylation profiling (Array)	40	Illumina HumanMethylation450 BeadChip (HumanMethylation450_15017482);Illumina Infinium HumanMethylation850 BeadChip

• Genome binding/occupancy profiling

When the gene can detect a peak in the dataset, a peak plot will be displayed.

> Dataset: GSE94732 - PREX2 peak across samples

Peak Plot