07-849-I | Anti-phospho-JAK1 (Tyr1022/1023)

100 µL  
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      Replacement Information

      Key Spec Table

      Species ReactivityKey ApplicationsHostFormatAntibody Type
      HDB, WBRbAffinity PurifiedPolyclonal Antibody
      Catalogue Number07-849-I
      DescriptionAnti-phospho-JAK1 (Tyr1022/1023)
      Alternate Names
      • Tyrosine-protein kinase JAK1, Tyr1022/1023-phosphorylated
      • Janus kinase 1, Tyr1022/1023-phosphorylated
      • JAK-1, Tyr1022/1023-phosphorylated
      Background InformationTyrosine-protein kinase JAK1 (EC; UniProt P23458; also known as Janus kinase 1, JAK-1) is encoded by the JAK1 (also known as JAK1A, JAK1B) gene (Gene ID 3716) in human. JAK1 belongs to the family of non-receptor Janus tyrosine kinases (JAKs) that regulate a spectrum of cellular functions downstream of activated cytokine receptors in the lympho-hematopoietic system. Immunological stimuli, such as interferons and cytokines, cause the recruitment of Stat transcription factors to cytokine receptor. Subsequent phosphorylation by receptor-associated JAK causes Stat dimerization, nuclear translocation, and Stat-mediated target genes transcription. 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 immune cells cytokine responses represents an attractive target for anti-inflammatory therapies. Although JAK1 is a ubiquitously expressed Janus kinase activated by a wide variety of cytokines, studies conducted on Jak1-knockout mice and cells indicate that JAK1 plays a non-redundant role in promoting biologic responses induced selectively by a subset of cytokine receptors.
      Product Information
      FormatAffinity Purified
      PresentationPurified rabbit polyclonal antibody in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.
      ApplicationDetect JAK1 Tyrosine 1022 and Tyrosine 1023 phosphorylation using this rabbit polyclonal Anti-phospho-JAK1 (Tyr1022/1023), Cat. No. 07-849-I, validated for use in Dot Blot and Western Blotting
      Key Applications
      • Dot Blot
      • Western Blotting
      Application NotesDot Blot Analysis: A 1:1,000 dilution of this antibody detected 0.156-20 ng of the immunogen phosphopeptide, but not the corresponding non-phosphorylated peptide.
      Biological Information
      ImmunogenKLH-conjugated phosphopeptide corresponding to the epitope reqeion sequence containing the two phosphorylated target tyrosine residues.
      ConcentrationPlease refer to lot specific datasheet.
      SpecificityThe Tyr1022/1023 designation is according to the JAK1 sequence originally published by Wilks, A.F., et al. (1991). Mol. Cell. Biol. 11(4):2057-2065 (PMID 1848670; NCBI accession: AAA36527). Numbering of the target pTyr residues varies depending on the species and source of the sequence. For example, target pTyr residues this rabbit polyclonal detects correspond to pTyr1034/pTyr1035 and pTyr1033/pTyr1034, respectively, of the human and mouse JAK1 sequence reported by UniProt (P23458 and P52332, respectively), or pTyr1033/pTyr1034 of bovine, canine, and rat JAK1 (NP_001193463 and NP_445918.1), pTyr1021/pTyr1022 of porcine JAK1 (NP_999279).
      Species Reactivity
      • Human
      Species Reactivity NoteHuman. Predicted to react with a broad-range of mammalian species, including Bovine, Canine, Mouse, Porcine, Rat, and Rhesus Macaque, based on 100% sequence homology.
      Antibody TypePolyclonal Antibody
      Entrez Gene Number
      Gene Symbol
      • JAK1
      • JAK1A
      • JAK1B
      • Phosphorylation
      Purification MethodAffinity purified.
      UniProt Number
      Molecular Weight~130 kDa observed. 133.3 kDa (human JAK1) calculated. Uncharacterized bands may be observed in some lysate(s).
      Physicochemical Information
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Safety Information
      Product Usage Statements
      Quality AssuranceEvaluated by Western Blotting in HepG2 cell lysate.

      Western Blotting Analysis: A 1:200 dilution from a representative lot detected Tyr1022/1023-phosphorylated JAK1 in 10 µg of HepG2 cell lysate.
      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 ConditionsStable for 1 year at 2-8°C from date of receipt.
      Packaging Information
      Material Size100 µL
      Transport Information
      Supplemental Information