Human TAFI/CPB2/Carboxypeptidase B2 ELISA Kit PicoKine®

Mfr.No.

EK1502

Sensitivity

<15 pg/ml

Detection Range

156 pg/ml - 10,000 pg/ml

Reactivity

Human

Sample Volume

Concentration (pg/ml)	0	156	312	625	1250	2500	5000	10000
O.D.	0.028	0.227	0.410	0.695	1.266	1.553	1.727	2.029

Description

Human TAFI/CPB2 ELISA Kit PicoKine® (96 Tests). Quantitate Human CPB2 in cell culture supeatants, cell lysates, serum and plasma (heparin, EDTA). Sensitivity: 15pg/ml. The brand Picokine indicates this is a premium quality ELISA kit. Each Picokine kit delivers precise quantification, high sensitivity, and excellent reproducibility. Only our most reliable and effective kits qualify as Picokine, guaranteeing top-tier results for your assays.

Alternative Names

Carboxypeptidase B2;3.4.17.20 ;Carboxypeptidase U;CPU;Plasma carboxypeptidase B;pCPB;Thrombin-activable fibrinolysis inhibitor;TAFI;CPB2;

Molecular Weight

48424 MW

Immunogen

Expression system for standard: NS0; Immunogen sequence: M1-V423

Kit Components

Description Quantity
Pre-coated 96-well strip microplate 1
Standard 2 vials
Biotinylated antibody (100x) 100ul
Avidin-Biotin-Peroxidase Complex (100x) 100ul
Sample Diluent 30ml
Antibody Diluent 12ml
Avidin-Biotin-Peroxidase Diluent 12ml
Color Developing Reagent (TMB) 10ml
Stop Solution 10ml
Wash Buffer (25x) 20ml
Adhesive plate sealers 4

Cross Reactivity

There is no detectable cross-reactivity with other relevant proteins.

Specificity

Natural and recombinant human TAFI

Subcellular Localization

Secreted.

Sample Type

Cell culture supeatants, Cell lysates, Serum, Plasma

Anticoagulant

heparin or EDTA

Precision

	Intra-Assay Precision			Inter-Assay Precision
Sample	1	2	3	1	2	3
n	16	16	16	24	24	24
Mean (pg/ml)	234	1109	4549	248	1155	4773
Standard deviation	17.08	58.77	209.25	21.32	64.68	229.1
CV (%)	7.3%	5.3%	4.6%	8.6%	5.6%	4.8%

Protein Function

Cleaves C-terminal arginine or lysine residues from biologically active peptides such as kinins or anaphylatoxins in the circulation thereby regulating their activities. Down- regulates fibrinolysis by removing C-terminal lysine residues from fibrin that has already been partially degraded by plasmin. .

Background

Carboxypeptidase B2 (CPB2), also known as carboxypeptidase U (CPU), plasma carboxypeptidase B (pCPB) or thrombin-activatable fibrinolysis inhibitor (TAFI), is an enzyme that, in humans, is encoded by the gene CPB2. CPB2 is synthesized by the liver and circulates in the plasma as a plasminogen-bound zymogen. When it is activated by proteolysis at residue Arg92 by the thrombin/thrombomodulin complex, CPB2 exhibits carboxypeptidase activity. Activated CPB2 reduces fibrinolysis by removing the fibrin C-terminal residues that are important for the binding and activation of plasminogen.

Reproducibility

Lots	Lot 1 (pg/ml)	Lot 2 (pg/ml)	Lot 3 (pg/ml)	Lot 4 (pg/ml)	Mean (pg/ml)	Standard Deviation	CV (%)
Sample 1	234	245	212	225	229	12.1	5.2%
Sample 2	1109	1258	1141	1184	1173	55.82	4.7%
Sample 3	4549	4286	4769	4692	4574	184.06	4%

*number of samples for each test n=16.

Notes

Material Required But Not Provided:
Microplate Reader capable of reading absorbance at 450nm.
Incubator.
Automated plate washer .
Pipettes and pipette tips capable of precisely dispensing 0.5 µl through 1 ml volumes of aqueous solutions.
Multichannel pipettes are recommended for large amount of samples.
Deionized or distilled water.
500ml graduated cylinders.
Test tubes for dilution.

Gene ID	1361
Gene Name	CPB2
UniProt ID	Q96IY4
Protein Name	Carboxypeptidase B2
Tissue Specificity	Plasma; synthesized in the liver.

Applications	ELISA
Research Area	Amino Acid Metabolism,Amino Acids,Atherosclerosis,Cardiovascular,Heart Disease,Metabolic Signaling Pathways,Metabolism,Pathways and Processes,Serum Proteins,Signal Transduction

Storage	Store at 4°C for 6 months, at -20°C for 12 months. Avoid multiple freeze-thaw cycles (Ships with gel ice, can store for up to 3 days in room temperature. Freeze upon receiving.)

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SKU	Supplier No.	Size	Your price	Quantity
BHE21001091	EK1502	96 wells/kit	$499		Add to Cart

Human TAFI/CPB2/Carboxypeptidase B2 ELISA Kit PicoKine®

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