Detailed entry information

Protein Information (annotations from UniProt)

Database IDHIV0000663
UniProt IDQ9Y5P4
Primary gene name(s)COL4A3BP
Synonym gene name(s)CERT, STARD11
Protein nameCollagen type IV alpha-3-binding protein
Protein functionShelters ceramides and diacylglycerol lipids inside its START domain and mediates the intracellular trafficking of ceramides and diacylglycerol lipids in a non-vesicular manner. {ECO:0000269|PubMed:14685229, ECO:0000269|PubMed:17591919, ECO:0000269|PubMed:18184806, ECO:0000269|PubMed:20036255}.
Subcellular locationCytoplasm {ECO:0000269|PubMed:16895911, ECO:0000269|PubMed:18184806}. Golgi apparatus {ECO:0000269|PubMed:14685229, ECO:0000269|PubMed:16895911, ECO:0000269|PubMed:18184806}. Endoplasmic reticulum {ECO:0000269|PubMed:16895911, ECO:0000269|PubMed:18184806}. Note=Preferentially localized to the Golgi apparatus. {ECO:0000305|PubMed:16895911}.
ECO codeClick here for more information.
Amino acid sequence
FASTA format: Q9Y5P4
Gene Ontology
(Biological Process)
Complete annatation
cell morphogenesis [GO:0000902];
cell proliferation [GO:0008283];
ceramide metabolic process [GO:0006672];
endoplasmic reticulum organization [GO:0007029];
ER to Golgi ceramide transport [GO:0035621];
heart morphogenesis [GO:0003007];
immune response [GO:0006955];
in utero embryonic development [GO:0001701];
lipid homeostasis [GO:0055088];
mitochondrion morphogenesis [GO:0070584];
muscle contraction [GO:0006936];
protein phosphorylation [GO:0006468];
response to endoplasmic reticulum stress [GO:0034976];
signal transduction [GO:0007165];
sphingolipid biosynthetic process [GO:0030148]
Gene Ontology
(Molecular Function)
Complete annatation
ceramide binding [GO:0097001];
ceramide transporter activity [GO:0035620];
phosphatidylinositol-4-phosphate binding [GO:0070273];
protein kinase activity [GO:0004672]
Gene Ontology
(Cellular Component)
Complete annatation
cytosol [GO:0005829];
endoplasmic reticulum membrane [GO:0005789];
Golgi apparatus [GO:0005794];
mitochondrion [GO:0005739];
nucleoplasm [GO:0005654]
Protein-protein interaction115396
Phylogenetic treeQ9Y5P4
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. CD3-0.08367772681647930.7982788717429620.862651689279811
AZA vs. DISU0.2303365325281880.363231142139810.896211275303082
AZA vs. IL7-0.03371442541382040.8611337913008620.999311006273513
AZA vs. SAHA-0.07651835840331040.7541987459667610.933172973542622
DISU vs. CD30.3017272841901920.405910409729120.538807107807041
DISU vs. IL7-0.2731488385775990.2789549329355580.665828718441819
DISU vs. SAHA-0.3059002168975750.2954048608124850.678665648979415
DMSO vs. AZA-0.1478960191720.3793604088489741
DMSO vs. CD3-0.07217416222668380.8214050783454760.874644296386386
DMSO vs. DISU-0.3791473574073790.1212006933123650.602729645757499
DMSO vs. IL70.1209596913537680.5024691592853340.886421465631531
DMSO vs. SAHA0.06342902413558810.788251140161860.939918630156189
HIV vs. Mock in Activation0.04887018452158310.9376309230833160.999983755607037
HIV vs. Mock in Latency0.1394271118061610.4000528627294390.999834320637052
IL7 vs. CD30.05771108904333490.8574362659321850.908742570411744
SAHA vs. CD3-0.01783041544528250.9597339687180590.97296945230953
SAHA vs. IL7-0.04635341060271760.8493226767775320.936553769549709
(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) TRUE
(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 0.0405978 0.861057
(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
0.974 1.046 1.315 1.461 1.039
(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
2E3M X-ray 2.2Å A=347-624.
2E3N X-ray 1.4Å A=347-624.
2E3O X-ray 1.5Å A=347-624.
2E3P X-ray 1.4Å A/B=347-624.
2E3Q X-ray 2.0Å A=347-624.
2E3R X-ray 1.6Å A/B=347-624.
2E3S X-ray 1.9Å A=347-624.
2RSG NMR - A=24-117.
2Z9Y X-ray 1.8Å A=347-624.
2Z9Z X-ray 1.7Å A=347-624.
3H3Q X-ray 2.0Å A/B=347-624.
3H3R X-ray 1.8Å A/B=347-624.
3H3S X-ray 1.6Å A/B=347-624.
3H3T X-ray 2.4Å A/B=347-624.
4HHV X-ray 1.7Å A/B=20-121.

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
not found