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  • 产品名称：C4a Positive Control peptide (STJ503804)

  • 产品型号：STJ503804-5
  • 产品厂商：ST john's laboratory
  • 产品文档：
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简单介绍：
C4a Positive Control peptide (STJ503804)
详情介绍：
Applications: WB
Note: STRICTLY FOR FURTHER SCIENTIFIC RESEARCH USE ONLY (RUO). MUST NOT TO BE USED IN DIAGNOSTIC OR THERAPEUTIC APPLICATIONS.
Short Description: C4a Positive Control is synthetically produced from the sequence and is suitable for use in western blot applications.
Formulation: Provided as 100 uL ready-to-use, in SDS-PAGE sample buffer (Laemelli's buffer) containing Tris, pH 6.8, 1 % SDS, Glycerol and Bromophenolblue blue as tracking dye. The sample is reduced by adding 2% beta mercaptoethanol. The protein concentration is
Dilution Range: WB: 1:500
Storage Instruction: Store at-20°C for long term storage. Avoid freeze-thaw cycles.
Gene Symbol: C4A
Gene ID: 720/721
Uniprot ID: CO4A_HUMAN
Tissue Specificity Complement component C4 is expressed at highest levels in the liver, at moderate levels in the adrenal cortex, adrenal medulla, thyroid gland, and the kidney, and at lowest levels in the heart, ovary, small intestine, thymus, pancreas and spleen. The extra-hepatic sites of expression may be important for the local protection and inflammatory response.
Post Translational Modifications Prior to secretion, the single-chain precursor is enzymatically cleaved to yield non-identical chains alpha, beta and gamma. During activation, the alpha chain is cleaved by C1 into C4a and C4b, and C4b stays linked to the beta and gamma chains. Further degradation of C4b by C1 into the inactive fragments C4c and C4d blocks the generation of C3 convertase. The proteolytic cleavages often are incomplete so that many structural forms can be found in plasma. N- and O-glycosylated. O-glycosylated with a core 1 or possibly core 8 glycan.
Function Non-enzymatic component of C3 and C5 convertases and thus essential for the propagation of the classical complement pathway. Covalently binds to immunoglobulins and immune complexes and enhances the solubilization of immune aggregates and the clearance of IC through CR1 on erythrocytes. C4A isotype is responsible for effective binding to form amide bonds with immune aggregates or protein antigens, while C4B isotype catalyzes the transacylation of the thioester carbonyl group to form ester bonds with carbohydrate antigens. Derived from proteolytic degradation of complement C4, C4a anaphylatoxin is a mediator of local inflammatory process. It induces the contraction of smooth muscle, increases vascular permeability and causes histamine release from mast cells and basophilic leukocytes.
Peptide Name Complement C4-A
Acidic Complement C4
C3 And Pzp-Like Alpha-2-Macroglobulin Domain-Containing Protein 2 Cleaved Into - Complement C4 Beta Chain - Complement C4-A Alpha Chain - C4a Anaphylatoxin - C4b-A - C4d-A - Complement C4 Gamma Chain
Database Links Reactome: R-HSA-166663
Reactome: R-HSA-174577
Reactome: R-HSA-381426
Reactome: R-HSA-8957275
Reactome: R-HSA-977606
Cellular Localisation Secreted
Synapse
Cell Projection
Axon
Dendrite
Alternative Peptide Names Complement C4-A protein
Acidic Complement C4 protein
C3 And Pzp-Like Alpha-2-Macroglobulin Domain-Containing Protein 2 Cleaved Into - Complement C4 Beta Chain - Complement C4-A Alpha Chain - C4a Anaphylatoxin - C4b-A - C4d-A - Complement C4 Gamma Chain protein
C4A protein
CO4 protein
CPAMD2 protein

Information sourced from Uniprot.org

12 months for antibodies. 6 months for ELISA Kits. Please see website T&Cs for further guidance
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