Mitogen-Activated Protein Kinase 1 Peptide 2


Catalog Number:




Target Antigen:

Mitogen-Activated Protein Kinase 1 Peptide 2




Rabbit Monoclonal Antibody

Last Updated:


Antigen Recognition(s):

Peptide, Recombinant Full-length, Phosphorylation

Thematic Panel(s):

Ras Pathway

Characterization Data [Compare Characterization Data]
Download This PDF contains the evaluation results provided by the Human Protein Atlas ( (333.0 KB)

CPTC-MAPK1-3 Evaluation by the Human Protein Atlas

Result: Positive

This PDF contains the evaluation results provided by the Human Protein Atlas (

  Western Blot - Recombinant Protein or Peptide
Click to enlarge image Western Blot using CPTC-AKT2-1 as primary Ab against recombinant MAPK1-3 (lane 2). Also included are molecular wt. standards (lane 1). Click image to enlarge

CPTC-MAPK1-3 Western Blot

Result: Positive

Western Blot using CPTC-AKT2-1 as primary Ab against recombinant MAPK1-3 (lane 2). Also included are molecular wt. standards (lane 1).


NCI Identification Number:


Antigen Name:

Mitogen-Activated Protein Kinase 1 Peptide 2

CPTC Name:

CPTC-MAPK1 Peptide 2


Mitogen-Activated Protein Kinase 1; Extracellular Signal-Regulated Kinase 2; Mitogen-Activated Protein Kinase 2; MAP Kinase Isoform P42; MAP Kinase 1; MAP Kinase 2; P42-MAPK; MAPK 2; PRKM1; PRKM2; ERK-2; ERK2; ERT1; Protein Tyrosine Kinase ERK2; EC; P42MAPK; P41mapk; MAPK 1; ERK; P38; P40; P41


This gene encodes a member of the MAP kinase family. MAP kinases, also known as extracellular signal-regulated kinases (ERKs), act as an integration point for multiple biochemical signals, and are involved in a wide variety of cellular processes such as proliferation, differentiation, transcription regulation and development. The activation of this kinase requires its phosphorylation by upstream kinases. Upon activation, this kinase translocates to the nucleus of the stimulated cells, where it phosphorylates nuclear targets. One study also suggests that this protein acts as a transcriptional repressor independent of its kinase activity. The encoded protein has been identified as a moonlighting protein based on its ability to perform mechanistically distinct functions. Two alternatively spliced transcript variants encoding the same protein, but differing in the UTRs, have been reported for this gene.

MAPK1 (Mitogen-Activated Protein Kinase 1) is a Protein Coding gene. Diseases associated with MAPK1 include Chromosome 22Q11.2 Deletion Syndrome, Distal and Pertussis. Among its related pathways are ERK Signaling and Focal Adhesion. Gene Ontology (GO) annotations related to this gene include transferase activity, transferring phosphorus-containing groups and protein tyrosine kinase activity. An important paralog of this gene is MAPK3.

erine/threonine kinase which acts as an essential component of the MAP kinase signal transduction pathway. MAPK1/ERK2 and MAPK3/ERK1 are the 2 MAPKs which play an important role in the MAPK/ERK cascade. They participate also in a signaling cascade initiated by activated KIT and KITLG/SCF. Depending on the cellular context, the MAPK/ERK cascade mediates diverse biological functions such as cell growth, adhesion, survival and differentiation through the regulation of transcription, translation, cytoskeletal rearrangements. The MAPK/ERK cascade plays also a role in initiation and regulation of meiosis, mitosis, and postmitotic functions in differentiated cells by phosphorylating a number of transcription factors. About 160 substrates have already been discovered for ERKs. Many of these substrates are localized in the nucleus, and seem to participate in the regulation of transcription upon stimulation. However, other substrates are found in the cytosol as well as in other cellular organelles, and those are responsible for processes such as translation, mitosis and apoptosis. Moreover, the MAPK/ERK cascade is also involved in the regulation of the endosomal dynamics, including lysosome processing and endosome cycling through the perinuclear recycling compartment (PNRC); as well as in the fragmentation of the Golgi apparatus during mitosis. The substrates include transcription factors (such as ATF2, BCL6, ELK1, ERF, FOS, HSF4 or SPZ1), cytoskeletal elements (such as CANX, CTTN, GJA1, MAP2, MAPT, PXN, SORBS3 or STMN1), regulators of apoptosis (such as BAD, BTG2, CASP9, DAPK1, IER3, MCL1 or PPARG), regulators of translation (such as EIF4EBP1) and a variety of other signaling-related molecules (like ARHGEF2, DCC, FRS2 or GRB10). Protein kinases (such as RAF1, RPS6KA1/RSK1, RPS6KA3/RSK2, RPS6KA2/RSK3, RPS6KA6/RSK4, SYK, MKNK1/MNK1, MKNK2/MNK2, RPS6KA5/MSK1, RPS6KA4/MSK2, MAPKAPK3 or MAPKAPK5) and phosphatases (such as DUSP1, DUSP4, DUSP6 or DUSP16) are other substrates which enable the propagation the MAPK/ERK signal to additional cytosolic and nuclear targets, thereby extending the specificity of the cascade. Mediates phosphorylation of TPR in respons to EGF stimulation. May play a role in the spindle assembly checkpoint. Phosphorylates PML and promotes its interaction with PIN1, leading to PML degradation. Phosphorylates CDK2AP2 (By similarity).

Acts as a transcriptional repressor. Binds to a [GC]AAA[GC] consensus sequence. Repress the expression of interferon gamma-induced genes. Seems to bind to the promoter of CCL5, DMP1, IFIH1, IFITM1, IRF7, IRF9, LAMP3, OAS1, OAS2, OAS3 and STAT1. Transcriptional activity is independent of kinase activity.

Extracellular signal-regulated kinases are a group of mitogen-activated protein kinases (MAPK) that mediate intracellular signaling. ERK1 and ERK2 (MAPK3 and MAPK1) transduce signals from growth factors and phorbol esters. They are expressed in all tissues, at varying levels.

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Synthetic Peptide

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Last Updated:



Characterization Data


No SOPs available.

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