JAK1 Protein, Human (P. pastoris, His)
Based on 4 publication(s) in Google Scholar
JAK1 protein is a non-receptor tyrosine kinase that plays a crucial role in IFN-α/β/γ signaling and serves as a kinase partner for IL-2 and IL-10 receptors. It cooperates with the type I interferon receptor IFNAR2 to phosphorylate and activate IFNAR2 upon interferon binding to IFNAR1-IFNAR2. JAK1 Protein, Human (P. pastoris, His) is the recombinant human-derived JAK1 protein, expressed by P. pastoris , with N-6*His labeled tag.
- Species: Human
- Source: P. pastoris
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Storage:Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
Biological Activity
Description
JAK1 protein is a non-receptor tyrosine kinase that plays a crucial role in IFN-α/β/γ signaling and serves as a kinase partner for IL-2 and IL-10 receptors. It cooperates with the type I interferon receptor IFNAR2 to phosphorylate and activate IFNAR2 upon interferon binding to IFNAR1-IFNAR2. JAK1 Protein, Human (P. pastoris, His) is the recombinant human-derived JAK1 protein, expressed by P. pastoris , with N-6*His labeled tag.
Background
JAK1 protein, a non-receptor tyrosine kinase, plays a crucial role in the IFN-alpha/beta/gamma signal pathway, as evidenced by various studies. It acts as a kinase partner for the interleukin (IL)-2 receptor and IL-10 receptor, demonstrating its versatility in different cytokine signaling pathways. Moreover, JAK1 serves as a kinase partner for the type I interferon receptor IFNAR2, and upon interferon binding to the IFNAR1-IFNAR2 heterodimer, it phosphorylates and activates IFNAR2, creating docking sites for STAT proteins. JAK1 not only directly phosphorylates STAT proteins but also activates STAT signaling by transactivating other JAK kinases associated with signaling receptors. This multifaceted involvement positions JAK1 as a central player in the intricate network of signaling pathways, contributing to the regulation of immune responses and cellular processes.
Verified Bioactivity
The kinase activity of this recombinant protein is testing in progress, we cannot offer a guarantee yet.
Publications (4)
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Journal Impact Factor
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Most Recent
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Nat Commun
2025 Sep 30;16(1):8684. PMID: 41028750 -
J Nanobiotechnology
Apigenin regulates CCR5/JAK1/STAT1/MMPs signaling to alleviate secondary brain injury after intracerebral hemorrhage and its enhanced delivery via targeted nanoparticles. [Abstract]2025 Nov 3;23(1):696. PMID: 41177867 -
Adv Sci (Weinh)
Discovery of Natural Compound α-Hederin via Large-Scale Screening as a Targeted JAK/STAT3 Inhibitor for Ovarian Cancer Therapy. [Abstract]2025 Jul 16:e17278. PMID: 40667652 -
Phytomedicine
Structure-affinity driven repurposing of natural compounds and herbal prescriptions for ulcerative colitis and psoriasis. [Abstract]2025 Sep:145:156999. PMID: 40582205
Technical Parameters
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Species Human
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Source P. pastoris
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Accession
P23458 (E850-K1154)
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Molecular Construction
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N-term
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6*His
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JAK1 (E850-K1154)
Accession # P23458 -
C-term
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Protein Length
Partial
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Synonyms
JAK1; JTK3; Prev. JAK1B; JAK1 Protein; JAK1A; AIIDE; Tyrosine-Protein Kinase JAK1; JAK-1; Janus Kinase 1; Tyrosine-Protein Kinase
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AA Sequence
EQNPDIVSEKKPATEVDPTHFEKRFLKRIRDLGEGHFGKVELCRYDPEGDNTGEQVAVKSLKPESGGNHIADLKKEIEILRNLYHENIVKYKGICTEDGGNGIKLIMEFLPSGSLKEYLPKNKNKINLKQQLKYAVQICKGMDYLGSRQYVHRDLAARNVLVESEHQVKIGDFGLTKAIETDKEYYTVKDDRDSPVFWYAPECLMQSKFYIASDVWSFGVTLHELLTYCDSDSSPMALFLKMIGPTHGQMTVTRLVNTLKEGKRLPCPPNCPDEVYQLMRKCWEFQPSNRTSFQNLIEGFEALLK
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Predicted Molecular Mass
36.9 kDa
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Molecular Weight
Approximately 40 kDa, based on SDS-PAGE under reducing conditions.
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Purity
≥ 90%, as determined by reducing SDS-PAGE.
Product Properties
Lyophilized powder.
Lyophilized from a 0.22 μm filtered solution of PBS, 6% Trehalose, pH 7.4 or 20 mM Tris-HCl, 0.5 M NaCl, 6% Trehalose, pH 8.0 or 10 mM Tris-HCl,1 mM EDTA,6% Trehalose,pH8.0.
Note: For SPR assay, please replace the buffer. Primary amine components (e.g., Tris, imidazole) can affect protein-coupled chips.
<1 EU/μg, determined by LAL method.
It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O.
Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
Room temperature in continental US; may vary elsewhere.
Documentation
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Data Sheet (237 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Korean - KR (252 KB)
- Portuguese - PT (252 KB)
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Handling Instructions (2659 KB)
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)