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Protein Arrays

Parallel Functional Protein Analysis

With E.coli expressed proteins derived from cDNA libraries from three different human tissues, testis, lymphocytes, fetal brain, imaGenes offers one of the largest collection of arrayed proteins for screening experiments.   
 

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For ordering please contact Sales.


Applications

  • Target protein identification, using antibodies and sera 1,2
  • Functional assays, e.g. phosphorylation, ribosylation, methylation 3,4
  • Identification of DNA/RNA binding proteins 1
  • Identification of protein−protein interactions9,10


Product Range

Protein Arrays are available from the following expression verified cDNA libraries:

Library Protein expression clones Special Information
Human Fetal Brain 38,016 hex1 database (PSF)
Human Testis ** 26,880 not sequenced
Human T-Lymphocytes 16,128
Human T-Lymphocytes (PHA induced) 17,280
  • Custom-made Protein Arrays can be generated from subsets of these libraries as well as from any expression library provided by the customer.
  • Target protein identification, using antibodies and sera is offered as a standard service.
  • Other applications, such as functional assays, e.g. phosphorylation, ribosylation, methylation, and identification of DNA/RNA-binding proteins are provided as special services upon request.
  • DNA sequences encoding for identified proteins are provided upon request.
    **Note: Human Testis is not sequenced, clones have to be ordered for sequencing by the customer


Product Details

Protein Arrays 4,5 consist of up to 27,648 spots, which are printed in duplicate (total up to 55,296 protein spots) onto 22 cm x 22 cm PVDF membranes. These spots are generated by expression clones, which comprise full-length as well as shorter cDNA clones 6,7 in an E.coli expression vector. This expression vector adds a HIS-Tag to each expressed protein. All proteins on the arrays have been verified for expression by detecting this HIS-Tag using an anti-HIS antibody. imaGenes recommends to perform at least one replicate of the experiment. All the cDNA clones are available for in-depth follow-up-experiments such as structural genomics 8.


References

For detailed information about the generation, characterization and application of the Protein Expression Libraries please click here.
The generation of Protein Arrays is based on a technology licensed from Prot@gen AG.

1. G. Grelle, S. Kostka, A. Otto, B. Kersten, K. Genser, E. Müller, S. Wälter, A. Böddrich, U. Stelzl, C. Hänig,  R. Volkmer-Engert, C. Landgraf, S. Alberti, J. Höhfeld, M. Strödicke, and E. Wanker:
Identification of VCP/p97, CHIP and amphiphysin II interaction partners using membrane-based human proteome arrays.
MCP (2005) 10.1074/mcp.M500198−MCP200
2. K. de Graaf, P. Hekerman, O. Spelten, A. Herrmann, L. C. Packman, K. Bussow. G. Muller-Newen, W. Becker (2004) :
Characterization of cyclin L2, a novel cyclin with an arginine/serine-rich domain: phosphorylation by DYRK1A and colocalization with splicing factors.
J Biol Chem. 279(6):4612−24
3. K. Büssow, C. Quedenau, V. Sievert, J. Tischler, C. Scheich, H. Seitz, B. Hieke, F.H. Niesen, F. Gotz, U. Harttig, H. Lehrach: A catalog of human cDNA expression clones and its application to structural genomics.
Genome Biol. 2004 Aug; 5(9):R71
4. U. Radelof, C.Hüls, B. Korn, J. Maurer: Proteinarrays und rekombinante Proteine für die Proteinanalyse.
Laborwelt 2004. 5: p.35
5. C. Maercker: Protein-Chips in der Genomforschung.
Laborwelt 2004. 4: p.12−15
6. J. Lee and M.T. Bedford: PABP1 identified as an arginine methyltransferase substrate using high-density protein arrays.
EMBO Reports 2002. 3(3): p.268−73
7. U. Mahlknecht, O.G. Ottmann, and D. Hoelzer: Far-Western based protein-protein interaction screening of high-density protein filter arrays.
Journal of Biotechnology 2001. 88(2): p. 89−94
8. K. Büssow, E. Nordhoff, C. Lübbert, H. Lehrach, and G. Walter: A human cDNA library for high-throughput protein expression screening.
Genomics 2000.65(1): 1−8
9. L. J. Holt, K. Büssow, G. Walter, and I. M. Tomlinson: By-passing selection: direct screening for antibody−antigen interactions using protein arrays.
Nucleic Acids Research 2000. 28(15): p. E72
10. K. Büssow, D. Cahill, W. Nietfeld, D. Bancroft, E. Scherzinger, H. Lehrach, and G. Walter: A method for global protein expression and antibody screening on high-density filters of an arrayed cDNA library.
Nucleic Acids Research 1998. 26(21): p. 5007−5008



 
 Related Products & Services:
Full ORF Clones
Customized Macroarrays

  Contact


Tel: +49 30 9489 2444


Tel: +49 30 9489 2462

Fax: +49 30 9489 2449



  Reference Customers

Dr. Derek Murphey
Associate Director
Centre for Human Proteomics
Royal College of Surgeons in Ireland
123 St Stephen’s Green
Dublin 2
Ireland
Tel.: +353 1 409 9715
Fax: +353 1 402 8514
Email
Homepage

Dr. Mark T. Bedford
University of Texas
M.D. A. Cancer Center, Dept.of Carcinogenesis
Smithville, USA
Email
Homepage


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