Recombinant Human Kinase suppressor of Ras 1 (KSR1), Truncated

Uniprot Id

Q8IVT5

Target Species

Human

Target Name

KSR1

Target Full Name

Kinase suppressor of Ras 1

Target Function

Part of a multiprotein signaling complex which promotes phosphorylation of Raf family members and activation of downstream MAP kinases. Independently of its kinase activity, acts as MAP2K1/MEK1 and MAP2K2/MEK2-dependent allosteric activator of BRAF; upon binding to MAP2K1/MEK1 or MAP2K2/MEK2, dimerizes with BRAF and promotes BRAF-mediated phosphorylation of MAP2K1/MEK1 and/or MAP2K2/MEK2. Promotes activation of MAPK1 and/or MAPK3, both in response to EGF and to cAMP. Its kinase activity is unsure. Some protein kinase activity has been detected in vitro, however the physiological relevance of this activity is unknown.

Target Subcellular Location

Cytoplasm. Membrane; Peripheral membrane protein. Cell membrane; Peripheral membrane protein. Cell projection, ruffle membrane. Endoplasmic reticulum membrane.

Target Protein Families

Protein kinase superfamily, TKL Ser/Thr protein kinase family

Target Research Area

Signal Transduction

Target Synonyms

BKSR 1; BKSR1; dKsr; EK 31; EK31; hb; Kinase suppressor of Ras 1; Kinase suppressor of ras; KSR 1; KSR; KSR1; KSR1_HUMAN; Positive Ras signaling mediator family member (86.4 kD); Positive Ras signaling mediator family member; RSU 2; RSU2; SR 31; SR31; Suppressor of activated let 60 Ras SUR3; Suppressor of Ras1 31

Target Background

Enables 14-3-3 protein binding activity; ATP binding activity; and protein C-terminus binding activity. Involved in positive regulation of MAPK cascade. Located in endoplasmic reticulum and membrane. Part of protein-containing complex. Implicated in breast adenocarcinoma. Biomarker of breast cancer.