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Active Recombinant Human IL12B Protein

Cat.No. : IL12B-181I
Product Overview : Recombinant Human IL12B Protein without tag was expressed in HEK 293.
  • Specification
  • Gene Information
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Description : Interleukin 12 (IL-12), also known as natural killer cell stimulatory factor (NKSF) or cytotoxic lymphocyte maturation factor (CLMF), is a pleiotropic cytokine originally identified in the medium of activated human B lymphoblastoid cell lines. The p40 subunit of IL-12 has been shown to have extensive amino acid sequence homology to the extracellular domain of the human IL-6 receptor while the p35 subunit shows distant but significant sequence similarity to IL-6, G-CSF, and chicken MGF. These observations have led to the suggestion that IL-12 might have evolved from a cytokine/soluble receptor complex. Human and mouse IL-12 share 70% and 60% amino acid sequence homology in their p40 and p35 subunits, respectively. IL-12 apparently shows species specificity with human IL-12 reportedly showing minimal activity in the mouse system.
Source : HEK 293
Species : Human
Form : Sterile Filtered White lyophilized (freeze-dried) powder.
Bio-activity : EC50 < 2 ng/mL, measured by the induction of IFN-γ from NK cells co-stimulated with IL-18, corresponding to a specific activity of > 1 × 10^6 units/mg.
Molecular Mass : Approximately 75 kDa, consisting of a 306 amino acid residue p40 subunit and a 197 amino acid residue p35 subunit.
AA Sequence : p35:RNLPVATPDPGMFPCLHHSQNLLRA VSNMLQKARQTLEFYPCTSEEIDHE DITKDKTSTVEACLPLELTKNESCL NSRETSFITNGSCLASRKTSFMMAL CLSSIYEDLKMYQVEFKTMNAKLLM DPKRQIFLDQNMLAVIDELMQALNF NSETVPQKSSLEEPDFYKTKIKLCI LLHAFRIRAVTIDRVMSYLNAS
p40:IWELKKDVYVVELDWYPDAPGEMVV LTCDTPEEDGITWTLDQSSEVLGSG KTLTIQVKEFGDAGQYTCHKGGEVL SHSLLLLHKKEDGIWSTDILKDQKE PKNKTFLRCEAKNYSGRFTCWWLTT ISTDLTFSVKSSRGSSDPQGVTCGA ATLSAERVRGDNKEYEYSVECQEDS ACPAAEESLPIEVMVDAVHKLKYEN YTSSFFIRDIIKPDPPKNLQLKPLK NSRQVEVSWEYPDTWSTPHSYFSLT FCVQVQGKSKREKKDRVFTDKTSAT VICRKNASISVRAQDRYYSSSWSEW ASVPCS
Endotoxin : < 0.2 EU/μg, determined by LAL method.
Purity : > 95% as analyzed by SDS-PAGE and HPLC.
Storage : Lyophilized recombinant Human Interleukin 12(IL-12) remains stable up to 6 months at -80 centigrade from date of receipt. Upon reconstitution, rh-IL12 should be stable up to 1 week at 4 centigrade or up to 2 months at -20 centigrade.
Storage Buffer : Lyophilized after extensive dialysis against PBS.
Reconstitution : Reconstituted in ddH2O or PBS at 100 μg/mL.
Gene Name : IL12B interleukin 12B (natural killer cell stimulatory factor 2, cytotoxic lymphocyte maturation factor 2, p40) [ Homo sapiens ]
Official Symbol : IL12B
Synonyms : IL12B; interleukin 12B (natural killer cell stimulatory factor 2, cytotoxic lymphocyte maturation factor 2, p40); NKSF2; interleukin-12 subunit beta; CLMF; CLMF2; cytotoxic lymphocyte maturation factor 2; p40; IL 12B; IL12; subunit p40; interleukin 12; interleukin 12 beta chain; natural killer cell stimulatory factor; 40 kD subunit; natural killer cell stimulatory factor 2; NKSF; CLMF p40; IL-12 subunit p40; IL12, subunit p40; interleukin 12, p40; interleukin-12 beta chain; NK cell stimulatory factor chain 2; cytotoxic lymphocyte maturation factor 40 kDa subunit; natural killer cell stimulatory factor, 40 kD subunit; IL-12B;
Gene ID : 3593
mRNA Refseq : NM_002187
Protein Refseq : NP_002178
MIM : 161561
UniProt ID : P29460

For Research Use Only. Not intended for any clinical use. No products from Creative BioMart may be resold, modified for resale or used to manufacture commercial products without prior written approval from Creative BioMart.

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