JAKs are non-receptor tyrosine kinases which couple to cytokine receptors, and are activated by cytokines. They regulate a spectrum of cellular functions downstream of activated cytokine receptors in the lympho-hematopoietic system. JAK kinases (JAK1, JAK2, JAK3, Tyk2) have a kinase domain and a second, pseudokinase domain which is not enzymatically active. The principal effectors of JAKs are the STATs (Signal Transducers and Activators of Transcription), which are direct activators of transcription, but JAKs also signal to the Ras-MAP Kinase pathway, and through Tec, to the PI3 Kinase pathway. Immunological stimuli, such as interferons and cytokines, induce recruitment of STAT transcription factors to cytokine receptor-associated JAK2. JAK2 then phosphorylates proximal STAT transcription factors, which subsequently dimerize and translocate to the nucleus where they bind DNA. The canonical JAK/Stat pathway is integral to maintaining a normal immune system by stimulating proliferation, differentiation, survival and host resistance to pathogens. Altering JAK/Stat signaling to reduce cytokine induced pro-inflammatory responses represents an attractive target for anti-inflammatory therapies. Within the JAK2 kinase domain, there is a region that has considerable sequence homology to the regulatory region of the insulin receptor. Among a variety of sites, Tyrosines 1007 and 1008 (Tyr1007/1008) are sites of trans- or autophosphorylation in vivo and in vitro kinase reactions. JAK2 is required for signaling through a different subset of cytokine receptors, while JAK1 is essential for signaling from the IL-2, IL-6 and interferon receptors. JAK3 is required for signaling through cytokine receptors which share a common gamma-chain.
Anti-JAK1 Antibody, clone 73 detects level of JAK1 & has been published & validated for use in WB, IP & IF.
Key Applications
Western Blotting
Immunofluorescence
Immunoprecipitation
Application Notes
Immunoprecipitation: A previous lot of this antibody was used in immunoprecipitation under native and denatured conditions.
Immunofluorescence: A previous lot of this antibody was used in IF.
Optimal working dilutions must be determined by end user.
Biological Information
Immunogen
Generated from human JAK1, amino acids 551-776.
Clone
73
Concentration
Please refer to the Certificate of Analysis for the lot-specific concentration.
Host
Mouse
Specificity
Recognizes JAK1 (Janus Kinase 1). The members of the JAK family of cytoplasmic protein tyrosine kinases physically associate with ligand-bound receptors. It is this association that results in tyrosine phosphorylation and activation. JAK1 is approximately 130 kDa and contains a C-terminal tyrosine kinase domain, an adjacent kinase or kinase-related domain, and five other domains that are highly conserved among JAK family members.
Janus kinase 1 (JAK1), is a member of a new class of protein-tyrosine kinases (PTK) characterized by the presence of a second phosphotransferase-related domain immediately N-terminal to the PTK domain. The second phosphotransferase domain bears all the hallmarks of a protein kinase, although its structure differs significantly from that of the PTK and threonine/serine kinase family members. JAK1 is a large, widely expressed membrane-associated phosphoprotein. JAK1 is involved in the interferon-alpha/beta and -gamma signal transduction pathways. The reciprocal interdependence between JAK1 and TYK2 activities in the interferon-alpha pathway, and between JAK1 and JAK2 in the interferon-gamma pathway, may reflect a requirement for these kinases in the correct assembly of interferon receptor complexes. These kinases couple cytokine ligand binding to tyrosine phosphorylation of various known signaling proteins and of a unique family of transcription factors termed the signal transducers and activators of transcription, or STATs.
FUNCTION: SwissProt: P23458 # Tyrosine kinase of the non-receptor type, involved in the IFN-alpha/beta/gamma signal pathway. Kinase partner for the interleukin (IL)-2 receptor.
SIZE: 1142 amino acids; 131957 Da
SUBUNIT: Interacts with IL31RA and SHB.
SUBCELLULAR LOCATION: Intracytoplasmic membrane; Peripheral membrane protein. Note=Wholly intracellular, possibly membrane associated.
DOMAIN: SwissProt: P23458 Possesses two phosphotransferase domains. The second one probably contains the catalytic domain (By similarity), while the presence of slight differences suggest a different role for domain 1.
SIMILARITY: Belongs to the protein kinase superfamily. Tyr protein kinase family. JAK subfamily. & Contains 1 FERM domain. & Contains 1 protein kinase domain. & Contains 1 SH2 domain.
Product Usage Statements
Quality Assurance
Routinely evaluated by Western Blot on Huvec lysates.
Western Blot Analysis: 1:500 dilution of this lot detected JAK1 on 10 μg of Huvec lysates.
Usage Statement
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
Storage and Shipping Information
Storage Conditions
Stable frozen at -20°C in undiluted aliquots for up to 1 year from date of receipt.
Handling Recommendations: Upon first thaw, and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance. Note: Variability in freezer temperatures below -20°C may cause glycerol containing solutions to become frozen during storage.
Packaging Information
Material Size
100 µg
原厂资料：
Key Spec Table
Species Reactivity
Key Applications
Host
Format
Antibody Type
H, Ch, Xn, Ca, R, M
WB, IF, IP
M
Purified
Monoclonal Antibody
Description
Catalogue Number
05-1154
Replaces
MAB3700
Description
Anti-JAK1 Antibody, clone 73
Alternate Names
Janus kinase 1
Tyrosine-protein kinase JAK1
Janus kinase 1 (a protein tyrosine kinase) 1
Background Information
JAKs are non-receptor tyrosine kinases which couple to cytokine receptors, and are activated by cytokines. They regulate a spectrum of cellular functions downstream of activated cytokine receptors in the lympho-hematopoietic system. JAK kinases (JAK1, JAK2, JAK3, Tyk2) have a kinase domain and a second, pseudokinase domain which is not enzymatically active. The principal effectors of JAKs are the STATs (Signal Transducers and Activators of Transcription), which are direct activators of transcription, but JAKs also signal to the Ras-MAP Kinase pathway, and through Tec, to the PI3 Kinase pathway. Immunological stimuli, such as interferons and cytokines, induce recruitment of STAT transcription factors to cytokine receptor-associated JAK2. JAK2 then phosphorylates proximal STAT transcription factors, which subsequently dimerize and translocate to the nucleus where they bind DNA. The canonical JAK/Stat pathway is integral to maintaining a normal immune system by stimulating proliferation, differentiation, survival and host resistance to pathogens. Altering JAK/Stat signaling to reduce cytokine induced pro-inflammatory responses represents an attractive target for anti-inflammatory therapies. Within the JAK2 kinase domain, there is a region that has considerable sequence homology to the regulatory region of the insulin receptor. Among a variety of sites, Tyrosines 1007 and 1008 (Tyr1007/1008) are sites of trans- or autophosphorylation in vivo and in vitro kinase reactions. JAK2 is required for signaling through a different subset of cytokine receptors, while JAK1 is essential for signaling from the IL-2, IL-6 and interferon receptors. JAK3 is required for signaling through cytokine receptors which share a common gamma-chain.
Anti-JAK1 Antibody, clone 73 detects level of JAK1 & has been published & validated for use in WB, IP & IF.
Key Applications
Western Blotting
Immunofluorescence
Immunoprecipitation
Application Notes
Immunoprecipitation: A previous lot of this antibody was used in immunoprecipitation under native and denatured conditions.
Immunofluorescence: A previous lot of this antibody was used in IF.
Optimal working dilutions must be determined by end user.
Biological Information
Immunogen
Generated from human JAK1, amino acids 551-776.
Clone
73
Concentration
Please refer to the Certificate of Analysis for the lot-specific concentration.
Host
Mouse
Specificity
Recognizes JAK1 (Janus Kinase 1). The members of the JAK family of cytoplasmic protein tyrosine kinases physically associate with ligand-bound receptors. It is this association that results in tyrosine phosphorylation and activation. JAK1 is approximately 130 kDa and contains a C-terminal tyrosine kinase domain, an adjacent kinase or kinase-related domain, and five other domains that are highly conserved among JAK family members.
Janus kinase 1 (JAK1), is a member of a new class of protein-tyrosine kinases (PTK) characterized by the presence of a second phosphotransferase-related domain immediately N-terminal to the PTK domain. The second phosphotransferase domain bears all the hallmarks of a protein kinase, although its structure differs significantly from that of the PTK and threonine/serine kinase family members. JAK1 is a large, widely expressed membrane-associated phosphoprotein. JAK1 is involved in the interferon-alpha/beta and -gamma signal transduction pathways. The reciprocal interdependence between JAK1 and TYK2 activities in the interferon-alpha pathway, and between JAK1 and JAK2 in the interferon-gamma pathway, may reflect a requirement for these kinases in the correct assembly of interferon receptor complexes. These kinases couple cytokine ligand binding to tyrosine phosphorylation of various known signaling proteins and of a unique family of transcription factors termed the signal transducers and activators of transcription, or STATs.
FUNCTION: SwissProt: P23458 # Tyrosine kinase of the non-receptor type, involved in the IFN-alpha/beta/gamma signal pathway. Kinase partner for the interleukin (IL)-2 receptor.
SIZE: 1142 amino acids; 131957 Da
SUBUNIT: Interacts with IL31RA and SHB.
SUBCELLULAR LOCATION: Intracytoplasmic membrane; Peripheral membrane protein. Note=Wholly intracellular, possibly membrane associated.
DOMAIN: SwissProt: P23458 Possesses two phosphotransferase domains. The second one probably contains the catalytic domain (By similarity), while the presence of slight differences suggest a different role for domain 1.
SIMILARITY: Belongs to the protein kinase superfamily. Tyr protein kinase family. JAK subfamily. & Contains 1 FERM domain. & Contains 1 protein kinase domain. & Contains 1 SH2 domain.
Product Usage Statements
Quality Assurance
Routinely evaluated by Western Blot on Huvec lysates.
Western Blot Analysis: 1:500 dilution of this lot detected JAK1 on 10 μg of Huvec lysates.
Usage Statement
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
Storage and Shipping Information
Storage Conditions
Stable frozen at -20°C in undiluted aliquots for up to 1 year from date of receipt.
Handling Recommendations: Upon first thaw, and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance. Note: Variability in freezer temperatures below -20°C may cause glycerol containing solutions to become frozen during storage.
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