Detailed entry information

Protein Information (annotations from UniProt)

Database IDHIV0002856
UniProt IDP15907
Primary gene name(s)ST6GAL1
Synonym gene name(s)SIAT1
Protein nameBeta-galactoside alpha-2,6-sialyltransferase 1
Protein functionTransfers sialic acid from CMP-sialic acid to galactose-containing acceptor substrates. {ECO:0000269|PubMed:21081508, ECO:0000269|PubMed:23999306}.
Subcellular locationGolgi apparatus, Golgi stack membrane;
Single-pass type II membrane protein. Secreted. Note=Membrane-bound form in trans cisternae of Golgi. Secreted into the body fluid.
ECO codeClick here for more information.
Amino acid sequence
FASTA format: P15907
Gene Ontology
(Biological Process)
Complete annatation
humoral immune response [GO:0006959];
N-acetylneuraminate metabolic process [GO:0006054];
O-glycan processing [GO:0016266];
oligosaccharide metabolic process [GO:0009311];
protein N-linked glycosylation via asparagine [GO:0018279];
sialylation [GO:0097503]
Gene Ontology
(Molecular Function)
Complete annatation
beta-galactoside alpha-2,6-sialyltransferase activity [GO:0003835];
sialyltransferase activity [GO:0008373]
Gene Ontology
(Cellular Component)
Complete annatation
endoplasmic reticulum [GO:0005783];
extracellular exosome [GO:0070062];
Golgi cisterna membrane [GO:0032580];
Golgi medial cisterna [GO:0005797];
Golgi membrane [GO:0000139];
Golgi trans cisterna [GO:0000138];
integral component of Golgi membrane [GO:0030173]
Protein-protein interaction112374
Phylogenetic treeP15907
HIV replication factor status Zhou et al., Cell. Host. Microbe., 2008
      unknown
Brass et al., Science, 2008
      unknown
Smith et al., J. Immunol, 2010
      unknown
Interferon-stimulated
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. CD3-1.347864482661715.31035067681263e-050.000275327159961885
AZA vs. DISU-0.06834594497505290.7865292520018480.979432163153294
AZA vs. IL70.01250282593169880.9480061851415260.999311006273513
AZA vs. SAHA-0.4879199218141530.04765362617610950.262728398425785
DISU vs. CD31.26759854457150.0005764342355657480.00257533185148728
DISU vs. IL70.0720559152735050.7744093723919440.947801932260934
DISU vs. SAHA-0.4185576318158530.1545137916874250.506014201330114
DMSO vs. AZA0.05671243330039460.7339671052406231
DMSO vs. CD31.388773247185182.01788734960351e-050.000108260231202909
DMSO vs. DISU0.1218930636482450.6165761857988830.939959716278526
DMSO vs. IL7-0.03633414834086290.8393649740872270.96460411742993
DMSO vs. SAHA-0.5502379679508680.02070758178006350.144885777626433
HIV vs. Mock in Activation-0.401074346719890.5238507956086320.999983755607037
HIV vs. Mock in Latency-0.2046511751976010.2133864366106080.999834320637052
IL7 vs. CD31.369163560363712.78572082954565e-050.000190513475788301
SAHA vs. CD30.8351445997721020.01892298040643360.0439736799884278
SAHA vs. IL7-0.5042449341387820.03954647845628860.156503968561327
(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
-0.291 0.04115

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 -0.789314 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
unknown unknown unknown unknown unknown
(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
4JS1 X-ray 2.0Å A=89-406.
4JS2 X-ray 2.3Å A=89-406.

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
hsa00510 N-Glycan biosynthesis - Homo sapiens (human)
hsa00514 Other types of O-glycan biosynthesis - Homo sapiens (human)
hsa01100 Metabolic pathways - Homo sapiens (human)
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