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- Table of Contents
Designing a Western blot for VTCN1? The guide has the expected band size, antibodies backed by real blot images, the controls to run alongside, and protocols taken from published papers.
Open the VTCN1 Western Blot Guide
1 Citations
Facts about V-set domain-containing T-cell activation inhibitor 1.
Involved in promoting epithelial cell transformation. .
| Human | |
|---|---|
| Gene Name: | VTCN1 |
| Uniprot: | Q7Z7D3 |
| Entrez: | 79679 |

| Belongs to: |
|---|
| immunoglobulin superfamily |

B7h.5; B7H4; B7-H4; B7H4T-cell costimulatory molecule B7x; B7S1; B7S1VCTN1; B7x; B7XPRO1291; FLJ22418; Immune costimulatory protein B7-H4; Protein B7S1; T cell costimulatory molecule B7x; V-set domain containing T cell activation inhibitor 1; V-set domain-containing T-cell activation inhibitor 1; Vtcn1
Mass (kDA):
30.878 kDA

| Human | |
|---|---|
| Location: | 1p13.1-p12 |
| Sequence: | 1; NC_000001.11 (117143587..117210985, complement) |
Overexpressed in breast, ovarian, endometrial, renal cell (RCC) and non-small-cell lung cancers (NSCLC). Expressed on activated T- and B-cells, monocytes and dendritic cells, but not expressed in most normal tissues (at protein level). Widely expressed, including in kidney, liver, lung, ovary, placenta, spleen and testis.
Cell membrane; Single-pass type I membrane protein. Expressed at the cell surface. A soluble form has also been detected.




PMID: 12818165 by Sica G.L., et al. B7-H4, a molecule of the B7 family, negatively regulates T cell immunity.
PMID: 12920180 by Zang X., et al. B7x: a widely expressed B7 family member that inhibits T cell activation.