HLA DRB4 Overexpression Lysate

Novus Biologicals | Catalog # NBL1-11587

Novus Biologicals
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Key Product Details

Species

Human

Applications

Western Blot

Product Summary for HLA DRB4 Overexpression Lysate

HLA DRB4 Transient Overexpression Lysate


Expression Host: HEK293T

Plasmid: RC202743

Accession#: NM_021983

Protein Tag: C-MYC/DDK

You will receive 1 vial of lysate (100ug) and 1 vial of empty vector negative control (100ug). Each vial of cell lysate contains 100ug of total protein (at 1 mg/ml).

Product Specifications

Application Notes

This product is intended for use as a positive control in Western Blot. Overexpression of the target protein was confirmed using an antibody to DDK (FLAG) epitope tag (NBP1-71705) present on the protein construct.

Each vial of cell lysate contains 100ug of total protein which should be sufficient for 20-50 reactions. Depending on over-expression level, antibody affinity and detection system, some lysates can go as low as 0.1 ug per load. We recommend starting with 5ug of cell lysate.

Theoretical MW

27 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Type

Overexpression

Scientific Data Images for HLA DRB4 Overexpression Lysate

Western Blot: HLA DRB4 Overexpression Lysate [NBL1-11587]

Western Blot: HLA DRB4 Overexpression Lysate [NBL1-11587]

Western Blot: HLA DRB4 Overexpression Lysate (Adult Normal) [NBL1-11587] Left-Empty vector transfected control cell lysate (HEK293 cell lysate); Right -Over-expression Lysate for HLA DRB4.

Formulation, Preparation, and Storage

Formulation

RIPA buffer

Concentration

The exact concentration of the protein of interest cannot be determined for overexpression lysates. Please contact technical support for more information.

Shipping

The product is shipped with dry ice or equivalent. Upon receipt, store it immediately at the temperature recommended below.

Storage

Store at -80C. Avoid freeze-thaw cycles.

Background: HLA DRB4

HLA-DRB4 belongs to the HLA class II beta chain paralogues. This class II molecule is a heterodimer consisting of an alpha (DRA) and a beta (DRB) chain, both anchored in the membrane. It plays a central role in the immune system by presenting peptides derived from extracellular proteins. Class II molecules are expressed in antigen presenting cells (APC: B lymphocytes, dendritic cells, macrophages). The beta chain is approximately 26-28 kDa and its gene contains 6 exons. Exon one encodes the leader peptide, exons 2 and 3 encode the two extracellular domains, exon 4 encodes the transmembrane domain and exon 5 encodes the cytoplasmic tail. Within the DR molecule the beta chain contains all the polymorphisms specifying the peptide binding specificities. Typing for these polymorphisms is routinely done for bone marrow and kidney transplantation. DRB1 is expressed at a level five times higher than its paralogues DRB3, DRB4 and DRB5. The presence of DRB4 is linked with allelic variants of DRB1, otherwise it is omitted. There are 4 related pseudogenes: DRB2, DRB6, DRB7, DRB8 and DRB9. [provided by RefSeq]. Publication Note: This RefSeq record includes a subset of the publications that are available for this gene. Please see the Entrez Gene record to access additional publications.

Alternate Names

class II histocompatibility antigen HLA DR alpha, beta1-0307, DR12, DR-12, DR13, DR-13, DR14, DR-14, DR4, DR-4, DRB1 transplantation antigen, DRB4, HLA class II histocompatibility antigen, DR beta 4 chain, HLA class II histocompatibility antigen, DRB1-12 beta chain, HLA class II histocompatibility antigen, DRB1-4 beta chain, HLA-DR4B, human leucocyte antigen DRB4, leucocyte antigen DRB1, leukocyte antigen, major histocompatibility complex, class II, DR beta 1, major histocompatibility complex, class II, DR beta 4, MHC class I antigen DRB1*12, MHC class I antigen DRB1*4, MHC class II antigen DRB1*12, MHC class II antigen DRB1*13, MHC class II antigen DRB1*14, MHC class II antigen DRB1*4, MHC class II antigen DRB4, MHC class II antigen HLA-DRB1, MHC class II antigen HLA-DR-beta, MHC class II HLA-DR-beta-7, MHC class2 antigen, MHC HLA DR-beta chain

Gene Symbol

HLA-DRB4

Additional HLA DRB4 Products

Product Documents for HLA DRB4 Overexpression Lysate

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot or batch number in the search box below.

Product Specific Notices for HLA DRB4 Overexpression Lysate

HEK293T cells in 10-cm dishes were transiently transfected with a non-lipid polymer transfection reagent specially designed and manufactured for large volume DNA transfection. Transfected cells were cultured for 48hrs before collection. The cells were lysed in modified RIPA buffer (25mM Tris-HCl pH7.6, 150mM NaCl, 1% NP-40, 1mM EDTA, 1xProteinase inhibitor cocktail mix, 1mM PMSF and 1mM Na3VO4, and then centrifuged to clarify the lysate. Protein concentration was measured by BCA protein assay kit.

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Lysates are guaranteed for 6 months from date of receipt.

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