Detailed entry information

Protein Information (annotations from UniProt)

Database IDHIV0006509
UniProt IDO43395
Primary gene name(s)PRPF3
Synonym gene name(s)HPRP3, PRP3
Protein nameU4/U6 small nuclear ribonucleoprotein Prp3
Protein functionParticipates in pre-mRNA splicing. Part of the U4/U5/U6 tri-snRNP complex, one of the building blocks of the spliceosome. {ECO:0000269|PubMed:9328476, ECO:0000269|PubMed:9404889, ECO:0000303|PubMed:20595234}.
Subcellular locationNucleus speckle. Note=Colocalizes with spliceosomal snRNPs.
ECO codeClick here for more information.
Amino acid sequence
FASTA format: O43395
Gene Ontology
(Biological Process)
Complete annatation
mRNA processing [GO:0006397];
mRNA splicing, via spliceosome [GO:0000398];
RNA splicing [GO:0008380];
RNA splicing, via transesterification reactions [GO:0000375];
spliceosomal tri-snRNP complex assembly [GO:0000244]
Gene Ontology
(Molecular Function)
Complete annatation
identical protein binding [GO:0042802];
poly(A RNA binding [GO:0044822]
Gene Ontology
(Cellular Component)
Complete annatation
Cajal body [GO:0015030];
cytoplasm [GO:0005737];
nuclear speck [GO:0016607];
nucleoplasm [GO:0005654];
nucleus [GO:0005634];
protein complex [GO:0043234];
spliceosomal complex [GO:0005681];
U4/U6 x U5 tri-snRNP complex [GO:0046540]
Protein-protein interaction114577
Phylogenetic treeO43395
HIV replication factor status Zhou et al., Cell. Host. Microbe., 2008
Brass et al., Science, 2008
Smith et al., J. Immunol, 2010
gene status
Lu et al., J. Virol., 2011
      Folds changes 8h: unknown; Folds changes 16h: unknown; Tested: unknown;
Schoggins JW and Rice CM, Curr. Opin. Virol., 2011
      Targeted viruses: unknown
      Viral life cycle: unknown
      Mechanism related to antiviral activity: unknown
Anti-viral restriction factor Liu et al., Retrovirology, 2011
      unknown (Triplicates)

Gene Expression Profile       top

            Up-regulated;            Down-regulated

For brief introduction to each study, please go to the help page.

Gene expression during HIV latency

(1). Mohammadi et al., PLoS Pathog., 2014

Differentially expressed transcripts (Pairwise) during latency and subsequent viral reactivation using several agents - Primary CD4+ T-cell based model

DMSO: Dimethyl suloxyde (negative control) - 0.0033% final
SAHA: Vorinostat (Histone deacetylase inhibitor) - 0.5 μM
CD3: TCR Stimulation by IL-2+ antiCD3/anti-CD28 antibodies
IL7: Interleukin-7 based stimulation
DISU: Disulfiram (alcohol dehydrogenase inhibitor) - 0.5 μM
AZA: 5-azacytidine (AZA; DNA methylation inhibitor) - 1 μM
Experimental Condition Log2 Fold Change P value Adjusted P value
AZA vs. CD30.3125247351297770.3443681017947050.465099761024024
AZA vs. DISU0.370300361043240.1449380435589490.718797155225174
AZA vs. IL70.03659340998623850.8493566873273060.999311006273513
AZA vs. SAHA-0.05728729464766910.8152248014334310.95304910158264
DISU vs. CD30.0443230080089890.9047780860709720.937749234697046
DISU vs. IL7-0.3427296731508270.1761115329405280.543476224990473
DISU vs. SAHA-0.4257907722260330.1500087671356940.49775035876311
DMSO vs. AZA0.06932869029510310.6798781884699791
DMSO vs. CD3-0.2537814016196260.4318470252040460.545420475746056
DMSO vs. DISU-0.302401325246840.2167579578132570.72881357078219
DMSO vs. IL7-0.02555894504234960.8871979119627680.975874676784317
DMSO vs. SAHA-0.1333027178541840.5737819092113790.851920641282627
HIV vs. Mock in Activation0.1762729804897160.7768835788649090.999983755607037
HIV vs. Mock in Latency-0.01322337900178980.9362449725231620.999834320637052
IL7 vs. CD3-0.2692282599831740.4053432920447240.542509273751565
SAHA vs. CD3-0.3944196067602050.2650292841171740.37647198714731
SAHA vs. IL7-0.09723237808855720.6906796338718580.855291391394535
(2). Iglesias-Ussel et al., J. Virol., 2013

Up and Downregulated transcripts during Latency (Latently infected CD4+ T cells vs Uninfected)- Primary CD4+Tcell based model
Log2 Fold Change P Value
unknown unknown

Gene expression during HIV infection and replication

(1). Imbeault et al., PloS Pathog., 2012

Transcriptomic profiling of HIV-1 infected CD4+ T cells - Primary CD4+ T cells
Experiment type Log2 Fold Change P Value Adjusted P Value
Infected vs. Mock unknown unknown unknown
Infected vs. Bystander unknown unknown unknown
(2). Lefebvre et al., J. Virol., 2011

Transcriptome analysis of T-cell line (Sup T1)
Log2 Fold Change unknown
(3). Li et al., J. Immunol., 2013

Lymphatic tissue
Acute Fold Change Acute P Value Asymt Fold Change Asypt P Value AIDS Fold Change AIDS P Value
unknown unknown unknown unknown unknown unknown
(4). Chang et al., MBio., 2011

Transcriptome analysis of T-cell line (Sup T1)

Derived from Sherrill-Mix et al., BMC Retrovirol., 2015 cross validation
Up-regulated (True) unknown
(5). Sherrill-Mix et al., BMC Retrovirol., 2015

Deep RNA-seq analysis of primary human T cell infected with low passage HIV isolate HIV89.6 - Primary CD4+ T cell based
Test Status Log2 Fold Change P Value
OK 0.409828 0.0740463
(6). Rotger et al., PLoS Pathog., 2010

Genome-wide mRNA expression of CD4+ T cells from HIV-infected patient
(Genes differentially expressed (at adjusted p<0.01) according to the empirical Bayes approach)
Log2 Fold Change P Value
unknown unknown

Proteomic/Transcriptomics studies indicating differentially expressed genes mediated by HIV

(1). Greenwood et al., Elife, 2016

Activated (CD3/CD28) Primary human CD4+ T cells infected with pNL4-3-dE-EGFP. The table shows the complete (unfiltered) TMT (tandem mass tag)-based proteomic time course dataset
6 h 24 h 48 h 72 h RTi
0.989 0.978 0.889 0.835 0.932
(2). Navare et al., Virology, 2012

SUP-T1 cell line
FC-4hpi P-value FC-8hpi P-value FC-20hpi P-value Category
unknown unknown unknown unknown unknown unknown unknown
(3). Hyrcza et al., J. Virolo., 2007

Primary human CD4+ and CD8+ T Cells
Affymetrix Prob ID Fold Change In CD8? Category
unknown unknown unknown unknown

Protein Overview       top

Drug-protein Interaction       (annotations from DrugBank)      top

not found

Protein Secondary Structure       (annotations from PDB)      top

PDB Accession Method Resolution Chain Structure Preview
1X4Q NMR - A=1-79.
3JCR EM 7.0Å K=1-683.

HIV-1 Interaction       (annotations from NCBI HIV-1 Interaction Database)      top

not found

Metabolic/Signalling Pathway       (annotations from KEGG database)      top

Pathway Accession Number Description
hsa03040 Spliceosome - Homo sapiens (human)