Complement Component C3c Native Protein | C3c native protein
Human Complement Component C3c
Sterile Filtered White lyophilized (freeze-dried) powder.
Introduction: The C3c component is central in both complement activation pathways, with different specific proteolytic systems cleaving it to form C3 convertase. Cleavage of C3 releases C3a and the C3b fragment which is part of the alternative C3 convertase. C3 levels can be low because of decreased synthesis or due to consumption. High C3 levels are seen in highly acute or chronic inflammation, hepatic cholestasis and during the third trimester of pregnancy.Unwanted complement activation is a major cause of tissue damage in various pathological conditions and contributes to quite a few immune complex diseases. Compstatin is an effective inhibitor of the activation of complement component C3 and thus blocks a central and essential step in the complement cascade. The specific binding site on C3, the configuration in the bound form, and the exact mode of action of compstatin are unknown. The crystal structure of compstatin in complex with C3c reveals that the compstatin-binding site is formed by the macroglobulin (MG) domains 4 and 5. This binding site is part of the structurally stable MG-ring created by domains MG16 and is distant from any other known binding site on C3. Compstatin does not modify the conformation of C3c, while compstatin itself undergoes a large conformational alteration upon binding.
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Product Notes
The C3c (Catalog #AAA143106) is a Native Protein produced from Human Plasma and is intended for research purposes only. The product is available for immediate purchase. The amino acid sequence is listed below: C3c Beta chain (23-667) u>SPMYSIIT PNILRLESEE TMVLEAHDAQ GDVPVTVTVH DFPGKKLVLS SEKTVLTPAT NHMGNVTFTI PANREFKSEK GRNKFVTVQA TFGTQVVEKV VLVSLQSGYL FIQTDKTIYT PGSTVLYRIF TVNHKLLPVG RTVMVNIENP EGIPVKQDSL SSQNQLGVLP LSWDIPELVN MGQWKIRAYY ENSPQQVFST EFEVKEYVLP SFEVIVEPTE KFYYIYNEKG LEVTITARFL YGKKVEGTAF VIFGIQDGEQ RISLPESLKR IPIEDGSGEV VLSRKVLLDG VQNPRAEDLV GKSLYVSATV ILHSGSDMVQ AERSGIPIVT SPYQIHFTKT PKYFKPGMPF DLMVFVTNPD GSPAYRVPVA VQGEDTVQSL TQGDGVAKLS INTHPSQKPL SITVRTKKQE LSEAEQATRT MQALPYSTVG NSNNYLHLSV LRTELRPGET LNVNFLLRMD RAHEAKIRYY TYLIMNKGRL LKC3c alpha chain fragment 1 (749-954)< /u>SNLDEDI IAEENIVSRS EFPESWLWNV EDLKEPPKNG ISTKLMNIFL KDSITTWEIL AVSMSDKKGI CVADPFEVTV MQDFFIDLRL PYSVVRNEQV EIRAVLYNYR QNQELKVRVE LLHNPAFCSL ATTKRRHQQT VTIPPKSSLS VPYVIVPLKT GLQEVEVKAA VYHHFISDGV RKSLKVVPEG IRMNKTVAVR TLDPERLGRC 3c alpha chain fragment 2 (1321-1663 )SEETK ENEGFTVTAE GKGQGTLSVV TMYHAKAKDQ LTCNKFDLKV TIKPAPETEK RPQDAKNTMI LEICTRYRGD QDATMSILDI SMMTGFAPDT DDLKQLANGV DRYISKYELD KAFSDRNTLI IYLDKVSHSE DDCLAFKVHQ YFNVELIQPG AVKVYAYYNL EESCTRFYHP EKEDGKLNKL CRDELCRCAE ENCFIQKSDD KVTLEERLDK ACEPGVDYVY KTRLVKVQLS NDFDEYIMAI EQTIKSGSDE VQVGQQRTFI SPIKCREALK LEEKKHYLMW GLSSDFWGEK PNLSYIIGKD TWVEHWPEED ECQDEENQKQ CQDLGAFTES MVVFGCPN. It is sometimes possible for the material contained within the vial of "Complement Component C3c, Native Protein" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.Precautions
All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.Disclaimer
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