Human C1S Recombinant Protein (N-His) (HY598012)

Name: Human C1S Recombinant Protein (N-His)
Brand: abinScience
SKU: HY598012
Price: 211 USD
Availability: InStock

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Overview

Catalog No.	HY598012
Description	Recombinant Human C1S Protein, N-His (HY598012) expressed in E. coli, spanning Ile438-Pro685. Purity: >90% by SDS-PAGE. Highlights ●His-Tagged — N-terminal 6×His tag for IMAC purification. ●E. coli Expression — High-yield, cost-effective production. ●High Purity — >90% purity verified by SDS-PAGE.
Expression system	E. coli
Accession	P09871
Protein length	Ile438-Pro685
Applications	ELISA, Immunogen, SDS-PAGE, WB, Bioactivity testing in progress
Species	Homo sapiens (Human)
Nature	Recombinant
Endotoxin level	Please contact with the lab for this information.
Purity	>90% as determined by SDS-PAGE.
Predicted molecular weight	29.54 kDa
Form	Lyophilized
Storage buffer	Lyophilized from a solution in PBS pH 7.4, 0.02% NLS, 1 mM EDTA, 4% Trehalose, 1% Mannitol. Please refer to the specific buffer information in the hardcopy of datasheet or the lot-specific COA.
Reconstitution	Reconstitute in sterile water for a stock solution. Adjust the volume of sterile water so that, after reconstitution, the final stock concentration matches the value indicated on the product label or datasheet. RECONSTITUTION PROTOCOL 1. Allow the product to be reconstituted and the reconstitution diluent to reach room temperature. 2. Tap or briefly centrifuge the product vial before opening to dislodge any lyophilized material that may be dispersed on the wall or cap of the vial. 3. Use the diluent and stock concentration recommended in the product datasheet. If preparing a stock concentration higher than recommended, contact Technical Service. 4. After adding the diluent, re-cap the vial and invert gently by hand or place on a slow rocking platform to allow the reconstitution diluent to coat all the surfaces inside the vial. Note: Do not mix by vortexing or by pipetting the material up and down. 5. Allow the vial to sit at room temperature with gentle agitation for at least 15 minutes before aliquotting or using. 6. Store the reconstituted material in single use aliquots in polypropylene or siliconized tubes. Aliquots of 10 μL or larger are recommended.
Shipping	In general, proteins are provided as lyophilized powder/frozen liquid. They are shipped out with dry ice/blue ice unless customers require otherwise.
Stability and Storage	Use a manual defrost freezer and avoid repeated freeze thaw cycles. Store at 2 to 8°C for frequent use. Store at -20 to -80°C for twelve months from the date of receipt.
Alternate Names	C1 esterase, Complement C1s subcomponent, C1S, Complement component 1 subcomponent s
Background	Complement C1s subcomponent is a ~76 kDa protein. Component of the complement C1 complex, a multiprotein complex that initiates the classical pathway of the complement system, a cascade of proteins that leads to phagocytosis and breakdown of pathogens and signaling that strengthens the adaptive immune system. C1S is activated following association of the C1 complex with immunoglobulins (IgG or IgM) complexed with antigens to form antigen-antibody complexes on the surface of pathogens. C1S is cleaved and activated by C1R to generate C1s subcomponent heavy and light chains. C1s subcomponent light chain then cleaves and activates C2 and C4, the next components of the classical complement pathway. 1. Lacroix, M. et al. (2001) The Journal of biological chemistry 276, 36233-40. PMID: 11445589 2. Kerr, FK. et al. (2005) The Journal of biological chemistry 280, 39510-4. PMID: 16169853 3. Kerr, MA. et al. (1978) The Biochemical journal 171, 99-107. PMID: 417728 4. Reboul, A. et al. (1979) FEBS letters 103, 156-61. PMID: 467643 5. McRae, BJ. et al. (1981) The Journal of biological chemistry 256, 12362-6. PMID: 6271784 6. Thielens, NM. et al. (1982) FEBS letters 141, 19-24. PMID: 6282646 7. Thielens, NM. et al. (1984) FEBS letters 165, 111-6. PMID: 6319179 8. Nagasawa, S. et al. (1977) Proceedings of the National Academy of Sciences of the United States of America 74, 2998-3001. PMID: 70787 9. Rossi, V. et al. (1998) The Journal of biological chemistry 273, 1232-9. PMID: 9422791 10. Zwarthoff, SA. et al. (2021) Proceedings of the National Academy of Sciences of the United States of America 118. PMID: 34155115
Note	For research use only.