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Product Details
15837-1-AP
Applications
Tested Dilution
Publications
Product Specifications
Species Reactivity
Human,
Mouse
Published species
Not Applicable
Host/Isotype
Rabbit
/ IgG
Class
Polyclonal
Type
Antibody
Immunogen
C4BPB Fusion Protein Ag8587 (1-251 aa encoded by BC005378)
Conjugate
Form
Liquid
Concentration
0.17 mg/mL
Purification
Antigen affinity chromatography
Storage buffer
PBS, pH 7.3, with 50% glycerol
Contains
0.02% sodium azide
Storage conditions
-20°C
Shipping conditions
Wet ice (domestic); Dry ice (international)
Product Specific Information
C4BP is composed of two polypeptides (alpha and beta chains), which have molecular weights of 70 and 45 kDa, respectively. This polyclonal antibody is raised against the C4BP beta chain (C4BPB).
Immunogen sequence: MFFWCACCL MVAWRVSASD EHCPELPPVD NSIFVAKEVE GQILGTYVCI KGYHLVGKKT LFCNASKEWD NTTTECRLGH CPDPVLVNGE FSSSGPVNVS DKITFMCNDH YILKGSNRSQ CLEDHTWAPP FPICKSRDCD PPGNPVHGYF EGNNFTLGST ISYYCEDRYY LVGVQEQQCV DGEWSSALPV CKLIQEAPKP ECEKALLAFQ ESKNLCEAME NFMQQLKESG MTMEELKYSL ELKKAELKAK LL (1-251 aa encoded by BC005378)
Target Information
Complement component 4-binding protein (C4BP) is a plasma glycoprotein that inhibits the classical pathway of complement activation, which is mediated through antibody targeting of foreign antigen. Structurally, C4BP is a disulfide linked, multimeric protein that is composed of seven alpha chains and one beta chain. C4BP functions as a cofactor for C3beta inactivator in the cleavage of C3beta, and accelerates the decay of C4betaC2alpha (C3 convertase) by acting as a cofactor in the cleavage of C4beta by factor I. Streptococcal strains that express Ig-binding cell surface molecules, which are members of the M protein family, can bind to overlapping C4beta binding sites in C4BP and therefore, interfere with the classical pathway of complement activation. Bacteria-bound C4BP may be an evolved mechanism that downregulates complement activation in the bacterial host microenvironment, thereby reducing the occurrences of bacterial opsonization and phagocytosis.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Bioinformatics
Protein Aliases: C4b-binding protein beta chain
Gene Aliases: C4BP; C4BPB
UniProt ID: (Human) P20851
Entrez Gene ID: (Human) 725
Performance Guarantee
If an Invitrogen™ antibody doesn't perform as described on our website or datasheet,we'll replace the product at no cost to you, or provide you with a credit for a future purchase.*
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