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Anti-Occludin/OCLN Antibody Picoband® Fluoro488 Conjugated

Product Specifications

Background

Occludin is an integral membrane protein that is located at tight junctions. It is a member of a family of proteins containing the highly conserved Marvel domain, which contains 4 transmembrane-helix regions. This gene is mapped to 5q13.2. Occludin regulates TGF-beta receptor type I localization for efficient TGF-beta-dependent dissolution of tight junctions during epithelial-mesenchymal transitions. Human Occludin is an essential hepatitis C virus (HCV) cell entry factor that is able to render murine cells infectable with HCV glycoproteins. It has been found that occludin is involved in cell migration and functions to recruit active PI3 kinase to the leading edge, resulting in RAC1 activation and formation of lamellipodia.

Synonyms

Occludin; OCLN

Gene Name

OCLN

Gene ID

100506658

UniProt

Q16625

Host

Rabbit

Reactivity

Human

Cross Reactivity

No cross-reactivity with other proteins

Immunogen

E.coli-derived human Occludin recombinant protein (Position: N373-T522) . Human Occludin shares 89% amino acid (aa) sequence identity with both mouse and rat Occludin.

Clonality

Polyclonal

Tissue Specificity

Localized at tight junctions of both epithelial and endothelial cells. Highly expressed in kidney. Not detected in testis.

Applications

Flow Cytometry

Field of Research

Cell Adhesion, Cytoskeleton/ECM, Signal Transduction, Tight Junctions

Purification

Immunogen affinity purified.

Form

Liquid

Function

May play a role in the formation and regulation of the tight junction (TJ) paracellular permeability barrier. It is able to induce adhesion when expressed in cells lacking tight junctions. .

References & Citations

1. Ando-Akatsuka, Y., Saitou, M., Hirase, T., Kishi, M., Sakakibara, A., Itoh, M., Yonemura, S., Furuse, M., Tsukita, S. Interspecies diversity of the occludin sequence: cDNA cloning of human, mouse, dog, and rat-kangaroo homologues. J. Cell Biol. 133: 43-47, 1996. 2. Barrios-Rodiles, M., Brown, K. R., Ozdamar, B., Bose, R., Liu, Z., Donovan, R. S., Shinjo, F., Liu, Y., Dembowy, J., Taylor, I. W., Luga, V., Przulj, N., Robinson, M., Suzuki, H., Hayashizaki, Y., Jurisica, I., Wrana, J. L. High-throughput mapping of a dynamic signaling network in mammalian cells. Science 307: 1621-1625, 2005. 3. Du, D., Xu, F., Yu, L., Zhang, C., Lu, X., Yuan, H., Huang, Q., Zhang, F., Bao, H., Jia, L., Wu, X., Zhu, X., Zhang, X., Zhang, Z., Chen, Z. The tight junction protein, occludin, regulates the ional migration of epithelial cells. Dev. Cell 18: 52-63, 2010.

Storage Conditions

At -20 ̊C for one year from date of receipt. Avoid repeated freezing and thawing. Protect from light.

Calculated Molecular Weight

59144 MW

Specificity

No cross reactivity with other proteins.

Applications Notes

6

Gene Name Synonym

Occludin

Subcellular Location

Membrane; Multi-pass membrane protein. Cell junction, tight junction.

Sequence Similarities

Belongs to the ELL/occludin family.

Protein Name

Occludin

Isotype

Rabbit IgG

Contents

Each vial contains 50% glycerol, 0.9% NaCl, 0.2% Na2HPO4, 0.02% NaN3.

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