Recombinant Human C-C motif chemokine 19 (CCL19)

Code CSB-YP859522HU
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Source Yeast
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Code CSB-EP859522HU-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP859522HU
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Source Baculovirus
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Code CSB-MP859522HU
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Source Mammalian cell
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Product Details

>85% (SDS-PAGE)
Target Names
Uniprot No.
Alternative Names
Beta chemokine exodus 3; Beta-chemokine exodus-3; C C chemokine ligand 19; C-C motif chemokine 19; CC chemokine ligand 19; CCL 19; CCL19; CCL19_HUMAN; Chemokine (C C motif) ligand 19; Chemokine (CC motif) ligand 19; Chemokine C C Motif Ligand 19; Chemokine CC Motif Ligand 19; CK beta 11; CK beta-11; CKb 11; CKb11; EBI 1 ligand chemokine; EBI1 ligand chemokine; ELC; Epstein-Barr virus-induced molecule 1 ligand chemokine; Exodus 3; Exodus3; Macrophage inflammatory protein 3 beta; MGC34433; MIP 3 beta; MIP 3B; MIP-3-beta; MIP-3b; MIP3 beta; MIP3B; OTTHUMP00000000531; SCYA 19; SCYA19; Small inducible cytokine A19; Small inducible cytokine subfamily A (Cys Cys) member 1; Small-inducible cytokine A19
Homo sapiens (Human)
Expression Region
Target Protein Sequence
Protein Length
Full Length of Mature Protein
Tag Info
The following tags are available.
N-terminal His-tagged
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer before Lyophilization
Tris/PBS-based buffer, 6% Trehalose, pH 8.0
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Please contact us to get it.

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Target Background

May play a role not only in inflammatory and immunological responses but also in normal lymphocyte recirculation and homing. May play an important role in trafficking of T-cells in thymus, and T-cell and B-cell migration to secondary lymphoid organs. Binds to chemokine receptor CCR7. Recombinant CCL19 shows potent chemotactic activity for T-cells and B-cells but not for granulocytes and monocytes. Binds to atypical chemokine receptor ACKR4 and mediates the recruitment of beta-arrestin (ARRB1/2) to ACKR4.
Gene References into Functions
  1. these data indicate CCL19/CCR7 contributes to proliferation and invasion of ESCs, which are conducive to the pathogenesis of endometriosis through activating PI3K/Akt pathway PMID: 28856757
  2. The research findings demonstrate for the first time that the chemokines CCL19, CCL21 and CCR7 play important roles in bone destruction by increasing osteoclast migration and resorption activity, and that has been linked to rheumatoid arthritis pathogenesis. PMID: 28729639
  3. breast cancers-derived soluble factors increase the migration of DCs toward CCL19. PMID: 27451948
  4. The migratory index to the CCR7 ligands, CCL19 and CCL21, was higher in T-cells from donors whose recipients will develop GvHD. PMID: 28112745
  5. Study confirmes that CCL19 induces the invasion and migration of breast cancer cells through the expression of markers of epithelial-mesenchymal transition. PMID: 28378417
  6. findings connect NOTCH1, DUSP22, and CCL19-driven chemotaxis within a single functional network, suggesting that modulation of the homing process may provide a relevant contribution to the unfavorable prognosis associated with NOTCH1 mutations in CLL. PMID: 28017968
  7. Deletion of this extended C-terminus reduces CCL21's affinity for heparin and transferring the CCL21 C-terminus to CCL19 enhances heparin binding mainly through non-specific, electrostatic interactions PMID: 27338641
  8. CCL19 is significantly overexpressed in patients with unstable carotid atherosclerotic plaques and may be a possible novel biomarker for identifying high-risk patients in whom more urgent intervention may be indicated. PMID: 27498092
  9. CrkL regulates CCL19 and CCR7-induced epithelial-to-mesenchymal transition via ERK signaling pathway in epithelial ovarian carcinoma patients. PMID: 25636509
  10. The solution structure of CCL19 is reported. It contains a canonical chemokine domain. Chemical shift mapping shows the N-termini of PSGL-1 and CCR7 have overlapping binding sites for CCL19 and binding is competitive. PMID: 26115234
  11. Our findings serve to elucidate the molecular mechanisms underlying the resistin induction of CCL19 expression in ECs and the shear-stress protection against this induction. PMID: 25656506
  12. The mRNA levels of CCL19/CCL21 in ankylosing spondylitis hip ligament were significantly higher than in osteoarthritis ligament. PMID: 25260647
  13. Serum CCL19 and CCL21 were up-regulated during Rickettsia conorii infection. PMID: 24507453
  14. CCL19 promoted monocyte adhesion to HUVEC cells. CCL19 rs2227302 was associated with coronary artery disease in a Chinese Han population. PMID: 24990231
  15. CCL19 is an antimicrobial protein with bacteriocidal activity against E. coli. PMID: 12949249
  16. CCL19 (rather than CCL21) may contribute to the accumulation of dendritic cells and macrophages in the inflamed lungs of patients with eosinophilic pneumonia. PMID: 24111618
  17. CIP4 is expressed at abnormally high levels in CLL cells, where it is required for CCL19-induced chemotaxis. PMID: 23644527
  18. Serum CCL19 measurement is a new hallmark of the B cell-mediated rheumatoid arthritis subtype and may predict clinical response to rituximab. PMID: 23740460
  19. A high expression of CCL19 was a good prognostic factor of lung adenocarcinoma. PMID: 23922113
  20. Our findings would suggest that CCL19 and CCL21 may not be associated with cervical lymph node metastasis or other clinical and microscopic factors in oral squamous cell carcinoma. PMID: 22976543
  21. a novel signaling pathway that controls EDG-1 up-regulation following stimulation of T cells by CCR7 and CCL19. PMID: 22334704
  22. involvement of CCL19 in AIDS patients with advanced immunodeficiency, potentially mediating both adaptive and maladaptive responses PMID: 22288592
  23. These results suggest a new combinatorial guiding mechanism by CCL19 and CCL21 for the migration and trafficking of CCR7 expressing leukocytes. PMID: 21464944
  24. increased expression of MIP-3alpha favors recruitment of immature DCs to the tumour bed, whereas de novo local expression of SLC and MIP-3beta induces accumulation of mature DCs at the tumour margin forming clusters with T-cells PMID: 20969772
  25. Klebsiella pneumoniae-triggered DC recruit human NK cells in a CCR5-dependent manner leading to increased CCL19-responsiveness and activation of NK cells. PMID: 20865789
  26. Nuclear localization of four and a half LIM domains 2 (FHL2) transgene is lost in mature but not immature bone marrow-derived dendritic cells following stimulation with CCL19. PMID: 20592280
  27. The CCL19 is known to be critically involved in lymphocyte and dendritic cell trafficking, CCL19-binding competition by CRAM might be involved in modulating these processes. PMID: 20002784
  28. CC chemokine CCL19 attracts mature T cells out of the fetal thymus organ culture. PMID: 11869682
  29. Desensitizing concentrations of CCL21 and CCL19 had no significant effects on T lymphocyte transendothelial migration. PMID: 11870628
  30. located in high endothelial venules in an appropriate location to induce transendothelial migration of CLL cells into lymph nodes PMID: 11929789
  31. Characterization of mouse CCX-CKR, a receptor for the lymphocyte-attracting chemokines TECK/mCCL25, SLC/mCCL21 and MIP-3beta/mCCL19: comparison to human CCX-CKR. (CCX-CKR) PMID: 11981810
  32. migration to CCL19 and CCL21 is dependent on phospholipase C and intracellular calcium flux but not on phosphatidylinositol-3 kinase PMID: 14592837
  33. CCL19 and CXCL12 have roles in chemotaxis of mantle cell lymphoma B cells PMID: 14871974
  34. MIP-3beta was expressed in the human endometrium, but our results could not strongly support the hypothesis that MIP-3beta is a potential chemoattractant for endometrial NK cells. PMID: 15019823
  35. The ccl19 migrated poorly towards the GFP UCB or normal (NL) BM CD34+ cells, p210 UCB and CML CD34+ cells. PMID: 15674360
  36. By conditioning naive T cells into a motile dendritic cell-scanning state, CCL19 promotes antigen-independent responses and increases the probability of cognate histocompatibility complex (MHC)-peptide encounter. PMID: 16081805
  37. Nitric oxide (NO) donor NOR4 provides a signal allowing LPS-stimulated DCs to migrate toward CCL19. PMID: 16249377
  38. The maturation, in vitro migration and cytokine production of human DC after stimulation with live H. pylori is reported. PMID: 16500130
  39. The CCL19,CCL21/CCR7 chemokine system is expressed in inflamed muscles of polymyositis and may be involved in the pathomechanism of polymyositis. PMID: 16887149
  40. Despite sharing only 25% sequence identity with CCL21, the amino terminal hexapeptide of CCL19 is capable of performing an in vitro role similar to that of CCL21, resulting in G protein activation of the CCR7 receptor. PMID: 16904643
  41. CXCL13 and CCL19 cooperatively induce significant resistance to TNF-alpha-mediated apoptosis in acute and chronic B cell leukemia CD23+CD5+ B cells, but not in the cells from cord blood. PMID: 17082584
  42. Expression of the CCL19 gene is regulated by a combined action of several members of the NF-kappaB, IRF, and STAT family transcription factors. PMID: 17182562
  43. The abundance of CD83+ plasmacytoid dendritic cells (DCs) in perivascular areas and the overexpression of CCL19 and CCL21 in perivascular cellular foci suggest plasmacytoid DCs are central to the muscle inflammation in juvenile dermatomyositis. PMID: 17469160
  44. These findings suggest hitherto unknown roles of SMAD transcription factors and of CCL19 in the elicitation phase of allergic contact dermatitis. PMID: 17597826
  45. CCL19 plus CXCL13 regulate interaction between B-ALL CD23+CD5+ B cells and CD8+ T cells by inducing activation of PEG10, in turn, resulting in IL-10 overexpression and impairment of tumor-specific cytotoxicity in syngeneic CD8+ T cells. PMID: 17709502
  46. This study suggests that CCL19 plays a role in both the physiological immunosurveillance of the healthy CNS and the pathological maintenance of immune cells in the CNS of MS patients. PMID: 17825430
  47. after HIV-1 infection of CCL19- or CCL21-treated CD4(+) T-cells, low-level HIV-1 production but high concentrations of integrated HIV-1 DNA, approaching that seen in mitogen-stimulated T-cell blasts, was observed PMID: 17881634
  48. CCL19, CCL20 and CCL22 factors could play an additive role in the pathogenesis of the inflammatory process leading to bronchiolar fibro-obliteration in lung transplant patients PMID: 18047937
  49. experiments performed to investigate the survival, adhesion, and metalloproteases secretion indicate that CXCL13 combined with CCL19 and CCL21 mainly affects the chemotaxis of Sezary syndrome cells PMID: 18757429
  50. Complement C1q chemoattracts human dendritic cells and enhances migration of mature dendritic cells to CCL19 via activation of AKT and MAPK pathways.( PMID: 18838169

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Subcellular Location
Protein Families
Intercrine beta (chemokine CC) family
Tissue Specificity
Expressed at high levels in the lymph nodes, thymus and appendix. Intermediate levels seen in colon and trachea, while low levels found in spleen, small intestine, lung, kidney and stomach.
Database Links

HGNC: 10617

OMIM: 602227

KEGG: hsa:6363

STRING: 9606.ENSP00000308815

UniGene: Hs.50002

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