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C3b

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Complement System (1) VEGFR (1)
By Research Areas:	Cardiovascular Disease (1) Inflammation/Immunology (2) Neurological Disease (1)

2

Inhibitors & Agonists

1

Biochemical Assay Reagents

1

Peptides

1

Inhibitory Antibodies

5

Recombinant Proteins

1

Antibodies

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

Pegcetacoplan acetate	Complement System	Inflammation/Immunology
Pegcetacoplan acetate is a pegylated complement C3 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 .

Efdamrofusp alfa	VEGFR	Cardiovascular Disease Neurological Disease
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 .

Cat. No.	Product Name	Type

Cobra Venom Factor CVF	Native Proteins
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 .

Cat. No.	Product Name	Target	Research Area

Pegcetacoplan acetate	Complement System	Inflammation/Immunology
Pegcetacoplan acetate is a pegylated complement C3 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 .

Cat. No.	Product Name	Target	Research Area

Efdamrofusp alfa	VEGFR	Cardiovascular Disease Neurological Disease
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 .

Species:	Human (2) Mouse (2) Bovine (1)
Tag:	His (5) SUMO (1)
Source:	HEK293 (4) E. coli (1)

Cat. No.	Compare	Product Name	Species	Source

	Complement C3 Protein, Mouse (HEK293, His) Complement C3; HSE-MSF; C3; CPAMD1; AHUS5; ARMD9; ASP; C3a; C3b; HEL-S-62p	Mouse	HEK293
	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, Human (HEK293, His) Complement C3; HSE-MSF; C3; CPAMD1; AHUS5; ARMD9; ASP; C3a; C3b; HEL-S-62p	Human	HEK293
	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 Protein, Bovine (His-SUMO) C3Complement C3; Complement C3b alpha' chain; Complement C3c alpha' chain fragment 1; Complement C3dg fragment; Complement C3g fragment; Complement C3d fragment; Complement C3f fragment; Complement C3c alpha' chain fragment 2]	Bovine	E. coli
	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 factor I Protein, Mouse (HEK293, His) Complement factor I; C3b/C4B inactivator; Cfi	Mouse	HEK293

	Complement factor I Protein, Human (HEK293, His) Complement factor I; C3b/C4B inactivator; CFI	Human	HEK293

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	CD35 Antibody (YA1328) 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.

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