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TCN2 cell lysate

Human TCN2 HEK293 Overexpression Lysate

Gene Names
TCN2; II; TC; TC2; TC-2; TCII; TC II; D22S676; D22S750
Applications
Western Blot
Synonyms
TCN2; Human TCN2 HEK293 Overexpression Lysate; Human TCN2 HEK293 Cell Lysate (WB positive control); transcobalamin II; Human D22S676 Overexpression Lysate; Human D22S750 Overexpression Lysate; Human II Overexpression Lysate; Human TC Overexpression Lysate; Human TC-2 Overexpression Lysate; Human TC2 Overexpression Lysate; Human TCII Overexpression Lysate; TCN2 cell lysate
Ordering
For Research Use Only!
Host
HEK293 Cells
Form/Format
1x Sample Buffer (1x modified RIPA buffer+1x SDS loading buffer).
Modified RIPA Lysis Buffer: 50 mM Tris-HCl pH 7.4, 150 mM NaCl, 1mM EDTA, 1% Triton X-100, 0.1% SDS, 1% Sodium deoxycholate, 1mM PMSF.
Sequence Positions
418aa
Sequence
Met1-Trp427
Applicable Applications for TCN2 cell lysate
Western Blot (WB)
Application Notes
WB: Use at an assay dependent dilution.
Species
Human
Recommend Usage
1. Centrifuge the tube for a few seconds and ensure the pellet at the bottom of the tube.2. Re-dissolve the pellet using 200uL pure water and boil for 2-5 min.
Sequence Construction
A DNA sequence encoding the human TCN2 (NP_000346.2) (Met 1-Trp 427) with a C-terminal polyhistidine tag was expressed.
Preparation Method
Cell lysate was prepared by homogenization of the over-expressed cells in ice-cold modified RIPA Lysis Buffer with cocktail of protease inhibitors. Cell debris was removed by centrifugation. Protein concentration was determined by Bradford assay (protein assay, Microplate Standard assay). The cell lysate was boiled for 5 min in 1 x SDS loading buffer (50mM Tris-HCl pH 6.8, 12.5% glycerol, 1% sodium dodecylsulfate, 0.01% bromophenol blue) containing 5% b-mercaptoethanol, and lyophilized.
Preparation and Storage
Store at 4 degree C for up to twelve months from date of receipt. After re-dissolution, aliquot and store at -80 degree C for up to twelve months. Avoid repeated freeze-thaw cycles.
Samples are stable for up to twelve months from date of receipt.
Related Product Information for TCN2 cell lysate
Transcobalamin II, also known as TCN2 and TC II, is a plasma protein that binds cobalamin (Cbl; vitamin B12) as it is absorbed in the terminal ileum and distributes to tissues. The circulating transcobalamin II-cobalamin complex binds to receptors on the plasma membrane of tissue cells and is then internalized by receptor-mediated endocytosis. Transcobalamin II is a non-glycolated secretory protein of molecular mass 43 kDa. Its plasma membrane receptor (TC II-R) is a heavily glycosylated protein with a monomeric molecular mass of 62 kDa. Human TCN2 gene is composed of nine exons and eight introns spanning approximately 2 kb with multiple potential transcription start sites. A number of genetic abnormalities are characterized either by a failure to express TCN2 or by synthesis of an abnormal protein. The TCN2 deficiency results in cellular cobalamin deficiency, an early onset of megaloblastic anaemia, and neurological abnormalities.

This Human TCN2 overexpression lysate was created in HEK293 Cells and intented for use as a Western blot (WB) positive control. Purification of TCN2 protein from the overexpression lysate was verified.
References
Rothenberg, S. P. et al., 1995, Baillieres Clin Haematol. 8 (3):499-514. Bibi, H. et al., 1999, J Inherit Metab Dis. 22 (7):765-772. Seetharam, B. et al., 2000, Vitam Horm. 59 :337-366.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
NCBI Accession #
NCBI GenBank Nucleotide #
UniProt Accession #
Molecular Weight
44,421 Da
NCBI Official Full Name
transcobalamin-2 isoform 1
NCBI Official Synonym Full Names
transcobalamin 2
NCBI Official Symbol
TCN2
NCBI Official Synonym Symbols
II; TC; TC2; TC-2; TCII; TC II; D22S676; D22S750
NCBI Protein Information
transcobalamin-2
UniProt Protein Name
Transcobalamin-2
Protein Family
UniProt Gene Name
TCN2
UniProt Synonym Gene Names
TC2; TC-2; TC II; TCII
UniProt Entry Name
TCO2_HUMAN

NCBI Description

This gene encodes a member of the vitamin B12-binding protein family. This family of proteins, alternatively referred to as R binders, is expressed in various tissues and secretions. This plasma protein binds cobalamin and mediates the transport of cobalamin into cells. This protein and other mammalian cobalamin-binding proteins, such as transcobalamin I and gastric intrisic factor, may have evolved by duplication of a common ancestral gene. Alternative splicing results in multiple transcript variants.[provided by RefSeq, May 2010]

Uniprot Description

TCN2: Primary vitamin B12-binding and transport protein. Delivers cobalamin to cells. Defects in TCN2 are the cause of transcobalamin II deficiency (TCN2 deficiency). This results in various forms of anemia. Belongs to the eukaryotic cobalamin transport proteins family. 2 isoforms of the human protein are produced by alternative splicing.

Protein type: Secreted, signal peptide; Secreted

Chromosomal Location of Human Ortholog: 22q12.2

Cellular Component: extracellular space; lysosomal lumen; extracellular region; endosome

Molecular Function: metal ion binding; cobalamin binding

Biological Process: vitamin metabolic process; cobalamin metabolic process; cobalamin transport; cobalt ion transport; water-soluble vitamin metabolic process

Disease: Transcobalamin Ii Deficiency

Research Articles on TCN2

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Product Notes

The TCN2 tcn2 (Catalog #AAA8113966) is a Cell Lysate produced from HEK293 Cells and is intended for research purposes only. The product is available for immediate purchase. The immunogen sequence is 418aa. AAA Biotech's TCN2 can be used in a range of immunoassay formats including, but not limited to, Western Blot (WB). WB: Use at an assay dependent dilution. Researchers should empirically determine the suitability of the TCN2 tcn2 for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. The amino acid sequence is listed below: Met1-Trp42 7. It is sometimes possible for the material contained within the vial of "TCN2, Cell Lysate" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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