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- Tel: 858.663.9055
- Email: info@nsjbio.com
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p38-regulated and activated protein kinase (PRAK) is a serine/threonine kinase encoded by the MAPKAPK5 gene and functions as a downstream effector within stress-activated MAP kinase signaling pathways. PRAK Antibody / p38-Regulated Stress Kinase is useful for studying cellular stress responses, inflammatory signaling, senescence, migration, and MAPK-dependent signal transduction. PRAK, also commonly known as MK5 or MAPK-activated protein kinase 5, participates in signaling networks linked to p38 MAPK, ERK3, and ERK4 pathway activity.
PRAK antibody, also referred to as MAPKAPK5 antibody, MK5 antibody, or p38-regulated protein kinase antibody in the literature, recognizes a kinase activated in response to environmental stressors including oxidative stress, inflammatory cytokines, UV exposure, and cellular injury. PRAK contributes to phosphorylation-dependent regulation of downstream substrates involved in cytoskeletal remodeling, transcriptional regulation, and stress adaptation. The kinase has been associated with pathways regulating cellular senescence, tumor suppression, and migration-related signaling responses.
PRAK localizes primarily within the cytoplasm under basal conditions but may redistribute between cytoplasmic and nuclear compartments following stress activation. The kinase interacts functionally with atypical MAP kinases ERK3 and ERK4 and contributes to regulation of actin organization and stress-responsive transcriptional pathways. PRAK signaling has additionally been implicated in inflammatory disease, cancer progression, and cellular adaptation to metabolic or oxidative stress conditions.
MAPKAPK5 participates in signaling networks associated with p38-mediated stress adaptation and downstream kinase activation. PRAK has been linked to regulation of p53-associated senescence pathways, cytoskeletal dynamics, and cellular motility. Because stress kinase signaling contributes broadly to inflammation, tumor biology, and cellular survival responses, PRAK remains an important target in studies of MAP kinase pathway regulation and stress-induced signaling mechanisms.
PRAK is encoded on human chromosome 12q24 and produces a conserved serine/threonine kinase containing catalytic and regulatory domains characteristic of MAP kinase-activated protein kinases. The protein functions closely with p38 MAPK family members and atypical MAP kinases involved in stress-responsive signaling networks. In immunohistochemistry studies, PRAK expression may demonstrate cytoplasmic, membranous, or nuclear-associated staining patterns depending on cell type and activation state.
This goat polyclonal PRAK antibody has been supported using knockout, rescue, overexpression, and immunoprecipitation validation approaches to confirm selective target detection in research applications. Validation studies demonstrate specific recognition of endogenous PRAK/MAPKAPK5 with reduced signal in knockout samples and restored expression following rescue experiments. Additional studies support selective detection relative to related MAP kinase family members, including MK5-associated signaling complexes.
This antibody is part of a collection of knockdown validated antibodies that have been functionally assessed using gene silencing approaches to support target-specific detection.
Optimal dilution of the PRAK Antibody / p38-Regulated Stress Kinase should be determined by the researcher.
Amino acids STEALDNVLPSAQ were used as the immunogen for this PRAK antibody.
Aliquot and store the PRAK antibody at -20oC.
MAPKAPK5 antibody, MK5 antibody, p38-regulated protein kinase antibody, MAP kinase-activated protein kinase 5 antibody, PRAK stress kinase antibody
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