Detailed entry information

Protein Information (annotations from UniProt)

Database IDHIV0002098
UniProt IDQ15365
Primary gene name(s)PCBP1
Synonym gene name(s)unknown
Protein namePoly(rC-binding protein 1
Protein functionSingle-stranded nucleic acid binding protein that binds preferentially to oligo dC. In case of infection by poliovirus, plays a role in initiation of viral RNA replication in concert with the viral protein 3CD, PubMed:12414943. {ECO:0000269|PubMed:12414943}.
Subcellular locationNucleus. Cytoplasm. Note=Loosely bound in the nucleus. May shuttle between the nucleus and the cytoplasm.
ECO codeClick here for more information.
Amino acid sequence
FASTA format: Q15365
Gene Ontology
(Biological Process)
Complete annatation
gene expression [GO:0010467];
mRNA splicing, via spliceosome [GO:0000398];
positive regulation of transcription from RNA polymerase II promoter [GO:0045944];
viral RNA genome replication [GO:0039694]
Gene Ontology
(Molecular Function)
Complete annatation
mRNA binding [GO:0003729];
poly(A RNA binding [GO:0044822];
RNA binding [GO:0003723];
single-stranded DNA binding [GO:0003697]
Gene Ontology
(Cellular Component)
Complete annatation
cytoplasm [GO:0005737];
extracellular exosome [GO:0070062];
intracellular membrane-bounded organelle [GO:0043231];
intracellular ribonucleoprotein complex [GO:0030529];
membrane [GO:0016020];
nucleoplasm [GO:0005654]
Protein-protein interaction111126
Phylogenetic treeQ15365
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. CD30.152972680728480.6399316780018260.737639570679371
AZA vs. DISU0.1349359256608530.5939774067444920.955158276076142
AZA vs. IL70.006565536110031060.9726859673414260.999311006273513
AZA vs. SAHA-0.4354480247621460.07521140083948040.340563729724941
DISU vs. CD3-0.03036605706421870.9331552148949680.956277180321213
DISU vs. IL7-0.1376289784827490.5841658441999320.869748364519238
DISU vs. SAHA-0.568464461336650.05130936365795350.283357793949805
DMSO vs. AZA-0.0272724107863880.8701387299967161
DMSO vs. CD3-0.1930367327012150.5453712052866340.649439243117732
DMSO vs. DISU-0.1644172236485570.5001339250877880.907889563568334
DMSO vs. IL70.04134163992613290.8175461311334040.962956477091318
DMSO vs. SAHA-0.4136273891610730.07977914768932280.329411379404324
HIV vs. Mock in Activation0.006648982572977320.9914627110036230.999983755607037
HIV vs. Mock in Latency0.104965394672270.5234983701407840.999834320637052
IL7 vs. CD3-0.1395407095300590.6633961045859170.768886542439334
SAHA vs. CD3-0.6121385882763780.08406732587749350.15155930218331
SAHA vs. IL7-0.4448302585404840.06781630306168430.224722565915988
(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
-0.3112 0.04168

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) FALSE
(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 -0.737259 0.000305467
(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
0.998 0.942 0.847 0.852 0.939
(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
1WVN X-ray 2.1Å A=279-356.
1ZTG X-ray 3.0Å A/B/C/D=14-85.
3VKE X-ray 1.7Å A/B/C/D=14-86.

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

HIV Partner Interaction Type PubMed
Rev interacts with 19808671
Envelope surface glycoprotein gp120 complexes with 23125841
Gag-Pol complexes with 23125841
Rev inhibits 17451601
Pr55(Gag) complexes with 23125841
capsid modulated by 17451601
Rev modulated by 17451601
Tat interacts with 25496916
Nef complexes with 23125841
capsid interacts with 25505242

Metabolic/Signalling Pathway       (annotations from KEGG database)      top

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