Raf Kinases

Supporting information

Raf kinases, a family of three serine/threonine kinases, are part of the Ras-MAPK signaling cascade and phosphorylate MEK. Upon growth factor stimulation, Raf-1 (or c-Raf) is activated by GTP-bound Ras and recruited to the cell membrane. This activation process is tightly regulated by a number of factors including phosphatases (e.g. PP1, PP2A, PP5), kinases (e.g. Src, ERK, Akt, PKC) and proteins that bind directly to Raf-1 (e.g. RKIP, 14-3-3ζ, KSR, Hsp90).

Raf-1 is also thought to be able to dimerize with wild type B-Raf in a Ras-dependent process. B-Raf is commonly mutated and thereby activated in many human cancers, the most frequent mutation being the V600E mutation of the kinase domain. Whilst wild type B-Raf and Raf-1 are strongly activated by growth factor signals via Ras and Src, a-Raf is only modestly activated and has low basal activity. All three isoforms of Raf are considered to be oncogenic.

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Gene Species Gene Symbol Gene Accession No. Protein Accession No.
c-Raf/Raf1 Human RAF1 NM_002880 P04049
Mouse Raf1 NM_007658 P48964
Rat Raf1 NM_029780 Q99N57
a-Raf Human ARAF NM_001654 P10398
Mouse Araf NM_009703 P04627
Rat Araf NM_022532 P14056
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Literature for Raf Kinases

Cancer Research Product Guide

A collection of over 750 products for cancer research, the guide includes research tools for the study of:

  • Cancer Metabolism
  • Epigenetics in Cancer
  • Receptor Signaling
  • Cell Cycle and DNA Damage Repair
  • Angiogenesis
  • Invasion and Metastasis
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Cancer Research Product Guide
Immunology Product Listing

A collection of over 190 products for immunology research, the guide includes research tools for the study of:

  • Chemokine and Cytokine Signaling
  • Chemotaxis
  • Complement System
  • Immune Cell Signaling
  • Inflammation
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Immunology Product Listing
Kinases Product Listing

A collection of over 400 products for kinase research, the listing includes inhibitors of:

  • Receptor Tyrosine Kinases
  • Protein Kinases A, C, D and G
  • PI-3 Kinase, Akt and mTOR
  • MAPK Signaling
  • Receptor Serine/Threonine Kinases
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Kinases Product Listing
Angiogenesis Life Science Poster

Written by Yongping Crawford and Napoleone Ferrara, this poster highlights major targets for antiangiogenic therapy, namely tumor- and stromal cell-derived pathways. Intrinsic and acquired resistance are described; antiangiogenic therapies targeting the VEGF pathway are also summarized. Compounds available from Tocris are listed.

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Angiogenesis Life Science Poster

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Cancer Research Product Guide

Cancer Research Product Guide

Our Cancer Research Guide highlights over 750 products for cancer research. Request copy or view PDF today.

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Kinase Inhibitor Toolbox

80 Kinase inhibitors
pre-dissolved in DMSO

Kinase Inhibitor Toolbox

Includes many of the latest kinase inhibitors to become commercially available. Covers a wide range of kinase targets including EGFR, MAPK and CDK.

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Kinases Product Listing

Kinases Product Listing

Our Kinase listing highlights over 400 products for kinase research. Request copy or view PDF today.

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Immunology Guide

Immunology Product Listing

Our Immunology listing highlights over 190 products for immunology research. Request copy or view PDF today.

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VEGF Pathway & Anti-Angiogenic Therapy

Written by N. Ferrara & Y. Crawford

Angiogenesis Life Science Poster

A summary of antiangiogenic therapies targeting the VEGF pathway and the mechanisms of therapy resistance. Request copy today.

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