Name :
Recombinant Human CCL21/6Ckine Protein
Biological Activity :
Background :
Chemokines are a family of small chemotactic cytokines, or proteins secreted by cells. Chemokines share the same structure similarities such as small size, and the presence of four cysteine residues in conserved locations in order to form their 3-dimensional shape. Some of the chemokines are considered pro-inflammatory which can be induced to recruit cells of the immune system to a site of infection during an immune response, while others are considered homeostatic and are implied in controlling the migration of cells during normal processes of tissue maintenance and development. There are four members of the chemokine family: C-C kemokines, C kemokines, CXC kemokines and CX3C kemokines. The C-C kemokines have two cysteines nearby the amino terminus. There have been at least 27 distinct members of this subgroup reported for mammals, called C-C chemokine ligands-1 to 28. Chemokine ligand 21(CCL21), also known as 6Ckine, exodus-2, and secondary lymphoid-tissue chemokine(SLC), is a small cytokine belonging to the C-C chemokine family. CCL21 takes its name 6Ckine for its consititutively six conserved cysteine residues but not four cysteines typical to chemokines. CCL21 has function in ininducing vigorous calcium migrations and chemotactic responses. Cancer Immunotherapy Immune Checkpoint Immunotherapy Targeted Therapy
Biological Activity :
Measured by its binding ability in a functional ELISA
. Immobilized human CCL21 at 2 μg/ml (100 μl/well) can bind human IGFBP7 with a linear range of 0.16-4 μg/ml.
Expression Host :
Human
Source :
Baculovirus-Insect Cells
Tag :
Protein Accession No. :
O00585
NCBI Gene ID :
Synonyms :
Synonyms :
chemokine (C-C motif) ligand 21
Amino Acid Sequence :
Molecular Weight :
The secreted recombinant human CCL21 consists of 111 amino acids and predicts a molecular mass of 12.3 kDa. It migrates as an approximately 18 kDa band in SDS-PAGE under reducing conditions.
Purity :
> 98 % as determined by SDS-PAGE
State of Matter :
Product Concentration :
Storage and Stability :
Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃. Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Endotoxin Level :
< 1.0 EU per μg of the protein as determined by the LAL method
Protein Construction :
A DNA sequence encoding the human CCL21 (O00585) (Met 1-Pro 134) was expressed and purified.
Buffer Solution :
Lyophilized from sterile 40mM Tris, 0.3 M NaCl, pH 7.4Please contact us for any concerns or special requirements. Normally 5 % – 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Please refer to the specific buffer information in the hardcopy of datasheet.
Shipping :
In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Redissolution :
A hardcopy of datasheet with reconstitution instructions is sent along with the products. Please refer to it for detailed information.
Synonyms :
6Ckine Protein, Human; CKb9 Protein, Human; ECL Protein, Human; MGC34555 Protein, Human; RP11-195F19.22-001 Protein, Human; SCYA21 Protein, Human; SLC Protein, Human; TCA4 Protein, Human CCL21/6Ckine 背景信息 Chemokines are a family of small chemotactic cytokines, or proteins secreted by cells. Chemokines share the same structure similarities such as small size, and the presence of four cysteine residues in conserved locations in order to form their 3-dimensional shape. Some of the chemokines are considered pro-inflammatory which can be induced to recruit cells of the immune system to a site of infection during an immune response, while others are considered homeostatic and are implied in controlling the migration of cells during normal processes of tissue maintenance and development. There are four members of the chemokine family: C-C kemokines, C kemokines, CXC kemokines and CX3C kemokines. The C-C kemokines have two cysteines nearby the amino terminus. There have been at least 27 distinct members of this subgroup reported for mammals, called C-C chemokine ligands-1 to 28. Chemokine ligand 21(CCL21), also known as 6Ckine, exodus-2, and secondary lymphoid-tissue chemokine(SLC), is a small cytokine belonging to the C-C chemokine family. CCL21 takes its name 6Ckine for its consititutively six conserved cysteine residues but not four cysteines typical to chemokines. CCL21 has function in ininducing vigorous calcium migrations and chemotactic responses. Cancer Immunotherapy Immune Checkpoint Immunotherapy Targeted Therapy
References & Citations :
Laing KJ, et al. (2004) Chemokines. Developmental and comparative immunology. 28(5): 443-60. Cocchi F, et al. (1995) Identification of RANTES, MIP-1a, and MIP-1b as the major HIV-suppressive factor produced by CD8+ T cells. Science. 270 (5243): 1811-5. Yoshida R, et al. (1998) Secondary lymphoid-tissue chemokine is a functional ligand for the CC chemokine receptor CCR7. The journal of biological chemistry. 273: 7118-22.
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