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Pegcetacoplan acetate is a pegylated complementC3 inhibitor peptide. Pegcetacoplan acetate acts by binding with complement component 3 (C3) and its activation fragment C3b. Pegcetacoplan acetate can be used for the research of complement-mediated diseases, including age-related macular degeneration, C3 glomerulopathy, Geographic atrophy (GA) and autoimmune haemolytic anaemia .
Riliprubart (SAR445088) is an anti-C1s humanized monoclonal antibody that inhibits activated C1s in the proximal portion of the classical complement system. Riliprubart selectively inhibits activated C1s and prevents the enzymatic action of C1 on its substrates C4 and C2, thus inhibiting the formation of the classical pathway C3 convertase, C4b2a .
Compstatin, a 13-residue cyclic peptide, is a potent inhibitor of the complement system C3 with species specificity. Compstatin binds to baboon C3 and is resistant to proteolytic cleavage in baboon blood (similar to humans). Compstatin inhibits only the activation of primates’ complement system. Compstatin exhibits IC50 values of 63 μM and 12 μM for classical and alterative complement pathway, respectively .
Compstatin TFA, a 13-residue cyclic peptide, is a potent inhibitor of the complement system C3 with species specificity. Compstatin TFA binds to baboon C3 and is resistant to proteolytic cleavage in baboon blood (similar to humans). Compstatin TFA inhibits only the activation of primates’ complement system. Compstatin TFA exhibits IC50 values of 63 μM and 12 μM for classical and alterative complement pathway, respectively .
Empasiprubar (ARGX-117) is a humanized inhibitory monoclonal antibody targeting complementC2. Empasiprubar binds to the Sushi-2 domain of C2, preventing the formation of C3 pre convertase and inhibiting the activation of classical and lectin pathways upstream of C3 activation. Empasiprubar can prevent complement mediated autoimmune hemolytic anemia and antibody mediated organ transplant rejection. Empasiprubar can prevent neuroglial lymphoconjunctival injury in GM1 antibody mediated mouse models .
POT-4 (AL-78898A), a Compstatin derivative, is a potent inhibitor of complement factor C3 activation. POT-4 can be used for age-related macular degeneration research
Sutimlimab, a first-in-class complement protein component 1, s subcomponent (C1s) inhibitor, can be used for the research of cold agglutinin disease. C1s is a serine protease which cleaves C4 and C2 to form the C3 convertase .
POT-4 TFA (AL-78898A TFA), a Compstatin derivative, is a potent inhibitor of complement factor C3 activation. POT-4 TFA can be used for age-related macular degeneration research .
AMY-101 (Cp40), a peptidic inhibitor of the central complement component C3 (KD = 0.5 nM), inhibits naturally occurring periodontitis in non-human primates (NHPs). AMY-101 (Cp40) exhibits a favorable anti-inflammatory activity in models with COVID-19 severe pneumonia with systemic hyper inflammation .
AMY-101 acetate (Cp40 acetate), a peptidic inhibitor of the central complement component C3 (KD = 0.5 nM), inhibits naturally occurring periodontitis in non-human primates (NHPs). AMY-101 acetate (Cp40 acetate) exhibits a favorable anti-inflammatory activity in models with COVID-19 severe pneumonia with systemic hyper inflammation .
AMY-101 TFA (Cp40 TFA), a peptidic inhibitor of the central complement component C3 (KD = 0.5 nM), inhibits naturally occurring periodontitis in non-human primates (NHPs). AMY-101 (Cp40) exhibits a favorable anti-inflammatory activity in models with COVID-19 severe pneumonia with systemic hyper inflammation .
C3a (70-77) TFA (Complement 3a (70-77) TFA) is an octapeptide corresponding to the COOH terminus of C3a, exhibits the specificity and 1 to 2% biologic activities of C3a .
Lipoteichoic acid is an orally effect anti-inflammatory and antitumor agent. Lipoteichoic acid is a crucial immune molecule in Gram-positive bacteria that activates the complement system by inducing C3 and inhibiting CD55. Lipoteichoic acid regulates macrophage autophagy through the PI3K/Akt/mTOR pathway. Lipoteichoic acid induces lung damage in mice. Lipoteichoic acid inhibits the production of melanin .
JR14a is a potent thiophene antagonist of human complementC3a receptor. JR14a shows selectivity for the human C3a receptor over C5a receptor. JR14a can suppress C3aR-mediated inflammation .
TLQP-21, a VGF-derived peptide endowed of endocrine and extraendocrine properties, is a potent G-protein-coupled receptor complement-3a receptor 1 (C3aR1) agonist (EC50: mouse TLQP-21=10.3 μM; human TLQP-21=68.8 μM). TLQP-21 activates C3aR1 to induce an increase of intracellular Ca 2+. TLQP-21 is used for the research in regulation of nociception and other relevant physiologic functions .
TLQP-21 TFA, a VGF-derived peptide endowed of endocrine and extraendocrine properties, is a potent G-protein-coupled receptor complement-3a receptor1 (C3aR1) agonist (EC50: mouse TLQP-21=10.3 μM; human TLQP-21=68.8μM). TLQP-21 TFA activates C3aR1 to induce an increase of intracellular Ca 2+. TLQP-21 TFA is used for the research in regulation of nociception and other relevant physiologic functions .
Efdamrofusp alfa is a bispecific fusion protein. Efdamrofusp alfa is capable of neutralizing both VEGF isoforms and C3b/C4b. Efdamrofusp alfa can be used for the research of neovascular age-related macular degeneration (nAMD) and other complement-related ocular conditions .
4-Octylphenol is a hormone disruptor that has gender-specific effects on male reproductive cells, significantly reducing the mitotic index and the number of spermatogonia. 4-Octylphenol can cause inflammatory damage to fish gills by activating the complement system through the C3a/C3aR axis and the C5a/C5aR1 axis, this leads to complement activation and causes immune suppression due to the imbalance between Th1/Th2 cells and regulatory T cells (Treg)/Th17 cells, as well as inflammatory damage via the Toll-like receptor 7 (Toll-like Receptor (TLR))/IκBα/NF-κB pathway .
Iptacopan (LNP023) is a first-in-class, orally bioavailable, highly potent and highly selective factor B inhibitor with an IC50 value of 10 nM. Iptacopan shows direct, reversible, and high-affinity binding to human factor B with a KD of 7.9 nM. Iptacopan targets the underlying cause of complement 3 glomerulopathy (C3G) .
PMX-53 (3D53) is a synthetic peptidic and a potent and orally active complement C5a receptor (CD88) antagonist with an IC50 of 20 nM. PMX-53 is also a low-affinity MrgX2 agonist that stimulates MrgX2-mediated mast cell degranulation. PMX-53 specifically binds to C5aR1 and does not bind to the second C5aR (C5L2) and C3aR. PMX-53 has anti-inflammatory, anticancer and antiatherosclerotic effects .
Cobra venom factor (CVF) is the complement-activating protein from cobra venom. CVF is a three-chain protein that functionally resembles C3b, the activated form of complement component C3. Cobra Venom Factor can be used for the research of the functions of complement in host defense and immune response as well as in the pathogenesis of diseases .
Pegcetacoplan acetate is a pegylated complementC3 inhibitor peptide. Pegcetacoplan acetate acts by binding with complement component 3 (C3) and its activation fragment C3b. Pegcetacoplan acetate can be used for the research of complement-mediated diseases, including age-related macular degeneration, C3 glomerulopathy, Geographic atrophy (GA) and autoimmune haemolytic anaemia .
Compstatin, a 13-residue cyclic peptide, is a potent inhibitor of the complement system C3 with species specificity. Compstatin binds to baboon C3 and is resistant to proteolytic cleavage in baboon blood (similar to humans). Compstatin inhibits only the activation of primates’ complement system. Compstatin exhibits IC50 values of 63 μM and 12 μM for classical and alterative complement pathway, respectively .
Compstatin TFA, a 13-residue cyclic peptide, is a potent inhibitor of the complement system C3 with species specificity. Compstatin TFA binds to baboon C3 and is resistant to proteolytic cleavage in baboon blood (similar to humans). Compstatin TFA inhibits only the activation of primates’ complement system. Compstatin TFA exhibits IC50 values of 63 μM and 12 μM for classical and alterative complement pathway, respectively .
POT-4 (AL-78898A), a Compstatin derivative, is a potent inhibitor of complement factor C3 activation. POT-4 can be used for age-related macular degeneration research
AMY-101 acetate (Cp40 acetate), a peptidic inhibitor of the central complement component C3 (KD = 0.5 nM), inhibits naturally occurring periodontitis in non-human primates (NHPs). AMY-101 acetate (Cp40 acetate) exhibits a favorable anti-inflammatory activity in models with COVID-19 severe pneumonia with systemic hyper inflammation .
AMY-101 TFA (Cp40 TFA), a peptidic inhibitor of the central complement component C3 (KD = 0.5 nM), inhibits naturally occurring periodontitis in non-human primates (NHPs). AMY-101 (Cp40) exhibits a favorable anti-inflammatory activity in models with COVID-19 severe pneumonia with systemic hyper inflammation .
POT-4 TFA (AL-78898A TFA), a Compstatin derivative, is a potent inhibitor of complement factor C3 activation. POT-4 TFA can be used for age-related macular degeneration research .
AMY-101 (Cp40), a peptidic inhibitor of the central complement component C3 (KD = 0.5 nM), inhibits naturally occurring periodontitis in non-human primates (NHPs). AMY-101 (Cp40) exhibits a favorable anti-inflammatory activity in models with COVID-19 severe pneumonia with systemic hyper inflammation .
C3a (70-77) TFA (Complement 3a (70-77) TFA) is an octapeptide corresponding to the COOH terminus of C3a, exhibits the specificity and 1 to 2% biologic activities of C3a .
TLQP-21, a VGF-derived peptide endowed of endocrine and extraendocrine properties, is a potent G-protein-coupled receptor complement-3a receptor 1 (C3aR1) agonist (EC50: mouse TLQP-21=10.3 μM; human TLQP-21=68.8 μM). TLQP-21 activates C3aR1 to induce an increase of intracellular Ca 2+. TLQP-21 is used for the research in regulation of nociception and other relevant physiologic functions .
TLQP-21 TFA, a VGF-derived peptide endowed of endocrine and extraendocrine properties, is a potent G-protein-coupled receptor complement-3a receptor1 (C3aR1) agonist (EC50: mouse TLQP-21=10.3 μM; human TLQP-21=68.8μM). TLQP-21 TFA activates C3aR1 to induce an increase of intracellular Ca 2+. TLQP-21 TFA is used for the research in regulation of nociception and other relevant physiologic functions .
PMX-53 (3D53) is a synthetic peptidic and a potent and orally active complement C5a receptor (CD88) antagonist with an IC50 of 20 nM. PMX-53 is also a low-affinity MrgX2 agonist that stimulates MrgX2-mediated mast cell degranulation. PMX-53 specifically binds to C5aR1 and does not bind to the second C5aR (C5L2) and C3aR. PMX-53 has anti-inflammatory, anticancer and antiatherosclerotic effects .
Riliprubart (SAR445088) is an anti-C1s humanized monoclonal antibody that inhibits activated C1s in the proximal portion of the classical complement system. Riliprubart selectively inhibits activated C1s and prevents the enzymatic action of C1 on its substrates C4 and C2, thus inhibiting the formation of the classical pathway C3 convertase, C4b2a .
Empasiprubar (ARGX-117) is a humanized inhibitory monoclonal antibody targeting complementC2. Empasiprubar binds to the Sushi-2 domain of C2, preventing the formation of C3 pre convertase and inhibiting the activation of classical and lectin pathways upstream of C3 activation. Empasiprubar can prevent complement mediated autoimmune hemolytic anemia and antibody mediated organ transplant rejection. Empasiprubar can prevent neuroglial lymphoconjunctival injury in GM1 antibody mediated mouse models .
Sutimlimab, a first-in-class complement protein component 1, s subcomponent (C1s) inhibitor, can be used for the research of cold agglutinin disease. C1s is a serine protease which cleaves C4 and C2 to form the C3 convertase .
Efdamrofusp alfa is a bispecific fusion protein. Efdamrofusp alfa is capable of neutralizing both VEGF isoforms and C3b/C4b. Efdamrofusp alfa can be used for the research of neovascular age-related macular degeneration (nAMD) and other complement-related ocular conditions .
Lipoteichoic acid is an orally effect anti-inflammatory and antitumor agent. Lipoteichoic acid is a crucial immune molecule in Gram-positive bacteria that activates the complement system by inducing C3 and inhibiting CD55. Lipoteichoic acid regulates macrophage autophagy through the PI3K/Akt/mTOR pathway. Lipoteichoic acid induces lung damage in mice. Lipoteichoic acid inhibits the production of melanin .
Complement C3 proteins play a key role in initiating the complement system through processing by C3 convertase in the classical and alternative pathways. Upon activation, C3b covalently binds to the surface, while C3a (anaphylatoxin produced by proteolysis of C3) mediates local inflammation. Complement C3 Protein, Cynomolgus (HEK293, His) is the recombinant cynomolgus-derived Complement C3 protein, expressed by HEK293 , with C-His labeled tag. The total length of Complement C3 Protein, Cynomolgus (HEK293, His) is 1641 a.a., with molecular weight of ~186.40 kDa.
Complement C3 protein activates the complement system, playing a central role in both classical and alternative pathways. C3b binds covalently to cell surface carbohydrates or immune aggregates, while C3a acts as an inflammatory mediator, inducing neutrophil chemoattraction and promoting smooth muscle contraction, increased vascular permeability, and histamine release. The shorter isoform of C3a stimulates B-cells. Complement C3 Protein, Mouse (HEK293, His) is the recombinant mouse-derived Complement C3 protein, expressed by HEK293 , with C-His labeled tag.
Complement C3 protein activates the complement system, playing a central role in both classical and alternative pathways. C3b binds covalently to cell surface carbohydrates or immune aggregates, while C3a acts as an inflammatory mediator, inducing neutrophil chemoattraction and promoting smooth muscle contraction, increased vascular permeability, and histamine release. The shorter isoform of C3a stimulates B-cells. Complement C3 Protein, Mouse (HEK293, His) is the recombinant mouse-derived Complement C3 protein, expressed by HEK293 , with C-His labeled tag. The total length of Complement C3 Protein, Mouse (HEK293, His) is 1639 a.a., with molecular weight of 65-68 kDa & 110-115 kDa & 165-180 kDa, respectively.
Complement C3/C3a proteins play a key role in initiating the complement system, serving as substrates for C3 convertase in both the classical and alternative pathways. Upon activation, C3 undergoes proteolytic cleavage, yielding C3b, which is covalently bound to surface or immune aggregates. Complement C3/C3a Protein, Bovine (His-SUMO) is the recombinant bovine-derived Complement C3/C3a protein, expressed by E. coli , with N-His, N-SUMO labeled tag.
Complement C3/C3a protein plays a key role in initiating the complement system through processing by C3 convertase in both the classical and alternative pathways. Complement C3/C3a protein is involved in various immune and inflammatory responses and also has a role in regulating blood pressure.
Complement C3/C3a Protein, Human is a recombinant Complement C3/C3a protein expressed in E. coli, untagged, and consists of 77 amino acids (S672-R748).
Complement C3/C3a protein activates the complement system, playing a central role in both classical and alternative pathways. C3b binds covalently to cell surface carbohydrates or immune aggregates, while C3a acts as an inflammatory mediator, inducing neutrophil chemoattraction and promoting smooth muscle contraction, increased vascular permeability, and histamine release. The shorter isoform of C3a stimulates B-cells. Complement C3/C3a Protein, Mouse is the recombinant mouse-derived Complement C3/C3a protein, expressed by E. coli , with tag free.
Complement factor D, also known as Adipsin, plays a crucial role in the alternative pathway of the complement system and when complexed with factor C3b, it cleaves factor B. This cleavage activates the C3bbb complex, converting it to the C3 convertase of the alternative pathway. Complement Factor D/Adipsin Protein, Human (HEK293, His) is the recombinant human-derived Complement Factor D/Adipsin protein, expressed by HEK293 , with C-10*His labeled tag. The total length of Complement Factor D/Adipsin Protein, Human (HEK293, His) is 228 a.a., with molecular weight of ~28.0 kDa.
Complement factor D, also known as Adipsin, plays a crucial role in the alternative pathway of the complement system and when complexed with factor C3b, it cleaves factor B. This cleavage activates the C3bbb complex, converting it to the C3 convertase of the alternative pathway. Complement Factor D/Adipsin Protein, Human (HEK293, His, Solution) is the recombinant human-derived Complement Factor D/Adipsin protein, expressed by HEK293 , with C-10*His labeled tag. The total length of Complement Factor D/Adipsin Protein, Human (HEK293, His, Solution) is 228 a.a., with molecular weight of ~28.0 kDa.
Complement Factor D/Adipsin Protein is pivotal, cleaving factor B within the factor C3b complex to activate the C3bbb complex, serving as the C3 convertase in the alternate pathway—analogous to C1s in the classical pathway. Complement Factor D/Adipsin Protein, Rat (P.pastoris, His) is the recombinant rat-derived Complement Factor D/Adipsin protein, expressed by P. pastoris , with N-6*His labeled tag. The total length of Complement Factor D/Adipsin Protein, Rat (P.pastoris, His) is 238 a.a., with molecular weight (glycosylation form) of ~43 kDa.
Complement Factor D/Adipsin Protein cleaves factor B in complex with factor C3b, activating the C3bbb complex to form the C3 convertase in the alternate pathway, analogous to C1s in the classical pathway. Complement Factor D/Adipsin Protein, Mouse (HEK293, His) is the recombinant mouse-derived Complement Factor D/Adipsin protein, expressed by HEK293 , with C-6*His labeled tag.
Complement Factor D/Adipsin Protein cleaves factor B in complex with factor C3b, activating the C3bbb complex to form the C3 convertase in the alternate pathway, analogous to C1s in the classical pathway. Complement Factor D/Adipsin Protein, Mouse (HEK293, Fc) is the recombinant mouse-derived Complement Factor D/Adipsin protein, expressed by HEK293 , with C-hFc labeled tag.
Complement factor D, also known as Adipsin, plays a crucial role in the alternative pathway of the complement system and when complexed with factor C3b, it cleaves factor B. This cleavage activates the C3bbb complex, converting it to the C3 convertase of the alternative pathway. Complement Factor D/Adipsin Protein, Human (HEK293, Fc) is the recombinant human-derived Complement Factor D/Adipsin protein, expressed by HEK293 , with C-hFc labeled tag. The total length of Complement Factor D/Adipsin Protein, Human (HEK293, Fc) is 228 a.a., with molecular weight of 52-60 kDa.
Complement Factor D/Adipsin Protein is a member of the S1, or chymotrypsin, family of serine peptidases. Complement Factor D is expressed by adipose cells, plays an important role in both physiology and pathophysiology, where it plays a regulatory role in the complement system. Complement Factor D cleaves factor B when the latter is complexed with factor C3b, activating the C3bbb complex, which then becomes the C3 convertase of the alternate pathway. Complement Factor D/Adipsin Protein, Rhesus macaque (HEK293, His) is the recombinant Rhesus Macaque-derived Complement Factor D/Adipsin protein, expressed by HEK293 , with C-His labeled tag. The total length of Complement Factor D/Adipsin Protein, Rhesus macaque (HEK293, His) is 233 a.a., with molecular weight of 70-80 kDa.
Complement C2 is a component of the classical pathway of the complement system and is cleaved by activated factor C1, resulting in the formation of two distinct fragments: C2b and C2a. The subsequent serine protease activity of C2a is critical for its subsequent interaction with the complement factor C4b, leading to the formation of C3 or C5 convertase. C2/Complement C2 Protein, Mouse (HEK293, His) is the recombinant mouse-derived C2/Complement C2 protein, expressed by HEK293 , with C-His labeled tag.
C2/Complement C2 protein is essential in the classical pathway of the complement system. Activated by factor C1, C2 is cleaved into C2b and C2a. As a serine protease, C2a interacts with C4b, generating the C3 or C5 convertase. This crucial process activates and amplifies the complement cascade. C2/Complement C2 Protein, Human (HEK293, His) is the recombinant human-derived C2/Complement C2 protein, expressed by HEK293 , with C-His labeled tag. The total length of C2/Complement C2 Protein, Human (HEK293, His) is 732 a.a., with molecular weight of ~112 kDa.
C2/Complement C2 protein is essential in the classical pathway of the complement system. Activated by factor C1, C2 is cleaved into C2b and C2a. As a serine protease, C2a interacts with C4b, generating the C3 or C5 convertase. This crucial process activates and amplifies the complement cascade. C2/Complement C2 Protein, Human (HEK293, Fc) is the recombinant human-derived C2/Complement C2 protein, expressed by HEK293 , with C-hFc labeled tag. The total length of C2/Complement C2 Protein, Human (HEK293, Fc) is 732 a.a., with molecular weight of 110-130 kDa.
Complement C2 is a component of the classical pathway of the complement system and is cleaved by activated factor C1, resulting in the formation of two distinct fragments: C2b and C2a. The subsequent serine protease activity of C2a is critical for its subsequent interaction with the complement factor C4b, leading to the formation of C3 or C5 convertase. C2/Complement C2 Protein, Cynomolgus (HEK293, His) is the recombinant cynomolgus-derived C2/Complement C2 protein, expressed by HEK293 , with C-His labeled tag.
CFB is an important component of the alternative pathway of the complement system and is cleaved by factor D, producing two fragments: Ba and Bb. The Bb fragment is characterized as a serine protease and subsequently forms a complex with complement factor 3b, ultimately producing a C3 or C5 convertase. Complement Factor B/CFB Protein, Mouse (His) is the recombinant mouse-derived CFB protein, expressed by E. coli , with N-6*His labeled tag. The total length of Complement Factor B/CFB Protein, Mouse (His) is 739 a.a., with molecular weight of ~87 kDa.
Complement Factor B/CFB Protein, Human (HEK293, His) is the recombinant human-derived Complement Factor B/CFB protein, expressed by HEK293 , with C-6*His labeled tag. The total length of Complement Factor B/CFB Protein, Human (HEK293, His) is 739 a.a., with molecular weight of 90-120 kDa.
CD21 Protein, a receptor for complement C3, Epstein-Barr virus, and HNRNPU, activates B lymphocytes and aids Epstein-Barr virus entry in microbial infection. Its engagement with these ligands highlights its vital role in immune responses and interactions, regulating B-cell activation and host defense against infections. CD21 Protein, Human (HEK293, His) is the recombinant human-derived CD21 protein, expressed by HEK293 , with C-His, C-10*His labeled tag. The total length of CD21 Protein, Human (HEK293, His) is 951 a.a., with molecular weight of 110-120 kDa.
Phospho-CD18 (Ser745) Antibody is a non-conjugated and Rabbit origined monoclonal antibody about 85 kDa, targeting to Phospho-CD18 (Ser745). It can be used for WB,IP assays with tag free, in the background of Human, Mouse, Rat.
C3BR,complement receptor type 1,C3b/C4b receptor,CD35
IHC-P
Human
CD35 Antibody (YA1328) is a rabbit-derived non-conjugated IgG antibody (Clone NO.: YA1328), targeting CD35. CD35 Antibody (YA1328) can be used for IHC-P experiment in human background.
C3 Antibody is a non-conjugated and Rabbit origined monoclonal antibody about 187 kDa, targeting to C3. It can be used for WB,IHC-P assays with tag free, in the background of Human.
C3/C5 convertase; complement factor B; PBF2; Properdin factor B
WB
Human
Complement factor B Antibody (YA2984) is a biotin-conjugated non-conjugated IgG antibody, targeting Complement factor B, with a predicted molecular weight of 86 kDa (observed band size: 100 kDa). Complement factor B Antibody (YA2984) can be used for WB experiment in human background.
CD21 Antibody (YA1307) is a biotin-conjugated non-conjugated IgG antibody, targeting CD21, with a predicted molecular weight of 113 kDa (observed band size: 155 kDa). CD21 Antibody (YA1307) can be used for WB,IF-Cell,IHC-P,FC,IF-Tissue experiment in human, mouse, rat background.
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