Gene Gene information from NCBI Gene database.
Entrez ID 80243
Gene name Phosphatidylinositol-3,4,5-trisphosphate dependent Rac exchange factor 2
Gene symbol PREX2
Synonyms (NCBI Gene)
DEP.2DEPDC2P-REX2PPP1R129
Chromosome 8
Chromosome location 8q13.2
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 prote
SNPs SNP information provided by dbSNP.
1
SNP ID Visualize variation Clinical significance Consequence
rs778089198 G>A Likely-pathogenic Genic downstream transcript variant, missense variant, coding sequence variant
miRNA miRNA information provided by mirtarbase database.
19
miRTarBase ID miRNA Experiments Reference
MIRT018971 hsa-miR-335-5p Microarray 18185580
MIRT053064 hsa-miR-338-3p ImmunofluorescenceMicroarrayWestern blot 24140344
MIRT053064 hsa-miR-338-3p ImmunohistochemistryLuciferase reporter assayqRT-PCRWestern blot 24375644
MIRT639642 hsa-miR-4768-3p HITS-CLIP 23824327
MIRT639641 hsa-miR-4459 HITS-CLIP 23824327
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
21
GO ID Ontology Definition Evidence Reference
GO:0005085 Function Guanyl-nucleotide exchange factor activity IBA
GO:0005085 Function Guanyl-nucleotide exchange factor activity IDA 15304343
GO:0005085 Function Guanyl-nucleotide exchange factor activity IEA
GO:0005085 Function Guanyl-nucleotide exchange factor activity TAS
GO:0005096 Function GTPase activator activity IBA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
612139 22950 ENSG00000046889
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
Q70Z35
Protein name Phosphatidylinositol 3,4,5-trisphosphate-dependent Rac exchanger 2 protein (P-Rex2) (PtdIns(3,4,5)-dependent Rac exchanger 2) (DEP domain-containing protein 2)
Protein function Functions as a RAC1 guanine nucleotide exchange factor (GEF), activating Rac proteins by exchanging bound GDP for free GTP. Its activity is synergistically activated by phosphatidylinositol 3,4,5-trisphosphate and the beta gamma subunits of hete
PDB 6BNM
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF00621 RhoGEF 27 212 RhoGEF domain Domain
PF00169 PH 246 359 PH domain Domain
PF00610 DEP 393 462 Domain found in Dishevelled, Egl-10, and Pleckstrin (DEP) Domain
PF00610 DEP 495 563 Domain found in Dishevelled, Egl-10, and Pleckstrin (DEP) Domain
Tissue specificity TISSUE SPECIFICITY: Isoform 1 is highly expressed in skeletal muscle, heart and placenta, absent from peripheral blood leukocytes. Isoform 2 is expressed in skeletal muscle, kidney, small intestine, and placenta. Isoform 3 is expressed in the heart. {ECO:
Sequence
MSEDSRGDSRAESAKDLEKQLRLRVCVLSELQKTERDYVGTLEFLVSAFLHRMNQCAASK
VDKNVTEETVKMLFSNIEDILAVHKEFLKVVEECLHPEPNAQQEVGTCFLHFKDKFRIYD
EYCSNHEKAQKLLLELNKIRTIRTFLLNCMLLGGRKNTDVPLEGYLVTPIQRICKYPLIL
KELLKRTPRKHSDYAAVMEALQAMKAVCSNIN
EAKRQMEKLEVLEEWQSHIEGWEGSNIT
DTCTEMLMCGVLLKISSGNIQERVFFLFDNLLVYCKRKHRRLKNSKASTDGHRYLFRGRI
NTEVMEVENVDDGTADFHSSGHIVVNGWKIHNTAKNKWFVCMAKTPEEKHEWFEAILKE
R
ERRKGLKLGMEQDTWVMISEQGEKLYKMMCRQGNLIKDRKRKLTTFPKCFLGSEFVSWLL
EIGEIHRPEEGVHLGQALLENGIIHHVTDKHQFKPEQMLYRF
RYDDGTFYPRNEMQDVIS
KGVRLYCRLHSLFTPVIRDKDYHLRTYKSVVMANKLIDWLIAQGDCRTREEAMIFGVGLC
DNGFMHHVLEKSEFKDEPLLFRF
FSDEEMEGSNMKHRLMKHDLKVVENVIAKSLLIKSNE
GSYGFGLEDKNKVPIIKLVEKGSNAEMAGMEVGKKIFAINGDLVFMRPFNEVDCFLKSCL
NSRKPLRVLVSTKPRETVKIPDSADGLGFQIRGFGPSVVHAVGRGTVAAAAGLHPGQCII
KVNGINVSKETHASVIAHVTACRKYRRPTKQDSIQWVYNSIESAQEDLQKSHSKPPGDEA
GDAFDCKVEEVIDKFNTMAIIDGKKEHVSLTVDNVHLEYGVVYEYDSTAGIKCNVVEKMI
EPKGFFSLTAKILEALAKSDEHFVQNCTSLNSLNEVIPTDLQSKFSALCSERIEHLCQRI
SSYKKFSRVLKNRAWPTFKQAKSKISPLHSSDFCPTNCHVNVMEVSYPKTSTSLGSAFGV
QLDSRKHNSHDKENKSSEQGKLSPMVYIQHTITTMAAPSGLSLGQQDGHGLRYLLKEEDL
ETQDIYQKLLGKLQTALKEVEMCVCQIDDLLSSITYSPKLERKTSEGIIPTDSDNEKGER
NSKRVCFNVAGDEQEDSGHDTISNRDSYSDCNSNRNSIASFTSICSSQCSSYFHSDEMDS
GDELPLSVRISHDKQDKIHSCLEHLFSQVDSITNLLKGQAVVRAFDQTKYLTPGRGLQEF
QQEMEPKLSCPKRLRLHIKQDPWNLPSSVRTLAQNIRKFVEEVKCRLLLALLEYSDSETQ
LRRDMVFCQTLVATVCAFSEQLMAALNQMFDNSKENEMETWEASRRWLDQIANAGVLFHF
QSLLSPNLTDEQAMLEDTLVALFDLEKVSFYFKPSEEEPLVANVPLTYQAEGSRQALKVY
FYIDSYHFEQLPQRLKNGGGFKIHPVLFAQALESMEGYYYRDNVSVEEFQAQINAASLEK
VKQYNQKLRAFYLDKSNSPPNSTSKAAYVDKLMRPLNALDELYRLVASFIRSKRTAACAN
TACSASGVGLLSVSSELCNRLGACHIIMCSSGVHRCTLSVTLEQAIILARSHGLPPRYIM
QATDVMRKQGARVQNTAKNLGVRDRTPQSAPRLYKLCEPPPPAGEE
Sequence length 1606
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  Reactome
    Regulation of PTEN stability and activity
Associated diseases Disease associations from ClinVar categorized as Causal (Pathogenic/Likely Pathogenic) or Unknown.
52
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Cerebral arteriovenous malformation Likely pathogenic rs778089198 RCV000656333
Unknown Diseases with uncertain, conflicting, or no pathogenic evidence in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Gastric cancer Uncertain significance rs190776975 RCV005939419
Lip and oral cavity carcinoma association rs4512367 RCV000239421
Lung cancer Benign rs116570374 RCV005903361
Malignant lymphoma, large B-cell, diffuse Benign rs1369164 RCV005922204
Associations from Text MiningDisease associations identified through Pubtator
Disease Name Relationship Type References
Alzheimer Disease Associate 35627223
Breast Neoplasms Associate 22622578, 36404592
Carcinoma Basal Cell Associate 33928395
Carcinoma Hepatocellular Associate 30796242
Gastritis Stimulate 34705970
Generalized Epilepsy With Febrile Seizures Plus Type 1 Associate 23773973
Helicobacter Infections Stimulate 34705970
Leukemia Myeloid Acute Associate 25331116
Melanoma Associate 22622578, 25490935, 28356599, 30796242, 31647501
Neoplasm Invasiveness Associate 30796242