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Antigen
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MyBioSource is the world leader in providing high quality and diverse range of antigens for research applications.

An antigen is typically defined as a substance that triggers an immunogenic response. The immune system sees the antigen as a foreign substance; that is, something that is non-self. The production of antibodies by B-cells, specialized cells of the immune system, is the most well-known immunogenic response triggered by antigens.
An antigen may be a recombinant or native protein, partial protein, synthetic or natural peptide, chemical, toxin, viral or bacterial component, standard or reagent for ELISA assays, as well as an environmental agent.

More on Antigen >>>

My Biosource manufactures both off-the-shelf and made to order high quality antigens.

For example, made to order recombinant protein antigens may start off from the cloning stage. Optional services, upon request, for made to order protein antigens includes low endotoxin, aseptic manufacture, and tag removal.

Antigens are widely used research tools with a myriad of applications. Known applications are listed on the product data sheet. Applications may also be empirically established by the researcher. Employing antigens for antibody generation are key applications. Antigens are referred to as immunogenic antigens or simply immunogens when they are specifically used to generate an immune response that is expected to result in antibody production. Although the term immunogen is often used interchangeably with the term antigen, strictly speaking, only an immunogen is immunogenic and can evoke an immune response.

Commercial production of antibodies is routine, and a plethora of high quality antibodies are available from MyBioSource. Researchers also use immunogenic antigens to produce their own antibodies.

Many factors affect the probability of coaxing an immune system to generate antibodies specifically targeted against an immunogenic antigen. First of all, antigens must be immunogenic. Antigens are frequently conjugated to carrier proteins to amplify their immunogenicity in vivo. For example, a standard 15-20 amino acid peptide is too small to elicit an immune response, and is conjugated to a larger carrier such as KLH (Keyhole Limpet Hemocyanin) protein prior to immunization. KLH is highly immunogenic and capable of eliciting a strong immune response. Immuonogenic peptide-carrier complexes stimulate immune responses, hopefully resulting in the desired outcome of producting specific antibodies directed against the amino acid peptide sequence.

Haptens are also conjugated to carrier proteins to elicit immune responses. A hapten, often referred as an incomplete or partial antigen, is a molecule or non-protein substance that in of itself is not immunogenic. However, hapten-carrier, like peptide-carrier, complexes, can stimulate immune responses and antibody production.

Pricing and availability

MyBioSource rates high in customer satisfaction for product quality and cost, as well as customer service. Prices are competitive and packing sizes both economical and flexible, designed with lab budgets in mind.

Our products may be ordered directly through the MyBioSource.com website or by fax at 1.858.633.0166 or through direct email to sales@mybiosource.com. Our sales force is well trained and ready to assist researchers with their reagent requirements. Please click here to submit your antigen, protein, or antibody requests.

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Displaying 1 to 50 (of 123 products) order by Products Name. Result Pages:  1  2  3  [Next >>] 

C-Reactive Protein (cCRP), Antigen

(#MBS568795)
• 
C-Reactive Protein, Canine (cCRP) Antigen > or = 98%
Gene Names: cCRP; CRP
Other Names: C-reactive protein
Host/Reactivities: Host: Dog serum
Purification: >=98% (20 kDa bands with SDS-PAGE)
Applications: ELISA (EIA), Western Blot (WB), Lateral Flow

(Antigen)
Popular Item
• 1 mg   $1660

C-Reactive Protein (CRP), Antigen

(#MBS569379)
• 
C-Reactive Protein (CRP) Antigen >85%
Gene Names: CRP; crp.4.L; ptx1; crp.4a; crp.4-a; crp.4-b
Other Names: C-reactive protein; pentraxin-related; gene 4 L homeolog
Host/Reactivities: Host: Human Fluids
Purification: >85%
Applications: Control

(Antigen)
• 1 mg   $210

C-Reactive Protein (CRP), Antigen

(#MBS569380)
• 
C-Reactive Protein (CRP) Antigen >98%
Gene Names: CRP; crp.4.L; ptx1; crp.4a; crp.4-a; crp.4-b
Other Names: C-reactive protein; pentraxin-related; gene 4 L homeolog
Host/Reactivities: Host: Human Fluids
Purification: >98%
Applications: Immunogen Grade

(Antigen)
• 1 mg   $230

C-Reactive Protein (CRP), Antigen

(#MBS568712)
• 
C-Reactive Protein (CRP) Antigen >99%
Gene Names: CRP; crp.4-a; ptx1; crp.4a
Other Names: C-reactive protein; pentraxin-related; gene 4
Host/Reactivities: Host: Human Pleural Fluid
Purification: >99%
Applications: Immunogen Grade

(Antigen)
Popular Item
• 1 mg   $255

C1q, Antigen

(#MBS238027)
• 
NATIVE HUMAN C1q
Gene Names: C1q; C1QA
Other Names: complement C1q subcomponent subunit A; complement component 1; q subcomponent; A chain
Purification: SDS PAGE: >96%Single band at 410kDa in PAGE.
Applications: ELISA (EIA)

(Antigen)
Popular Item
• 1 mg   $650

C3b, Antigen

(#MBS238029)
• 
NATIVE HUMAN C3b
Gene Names: C3b; C3; ASP; C3a; AHUS5; ARMD9; CPAMD1; HEL-S-62p
Other Names: complement C3; complement component 3
Purification: >90% by SDS-PAGE
Applications: ELISA (EIA)

(Antigen)
Popular Item
• 0.1 mg   $690

C4c, Antigen

(#MBS238030)
• 
NATIVE HUMAN C4c
Gene Names: C4c; C4B; CH; C4F; CO4; C4B1; C4B2; C4B3; C4B5; C4BD; C4B12; C4B_2; CPAMD3
Other Names: complement C4-B preproprotein; complement component 4B (Chido blood group)
Purification: SDS PAGE: >95%
Applications: ELISA (EIA)

(Antigen)
• 1 mg   $590

CA-125, Antigen

(#MBS190961)
• 
CA-125 Antigen
Gene Names: CA-125

(Antigen)
• 1 Vial   $705

CA125, Antigen

(#MBS313427)
• 
Cancer Antigen CA125 (Ovarian Cancer) Partially Purified
Gene Names: CA125
Other Names: CA125 Partially Purified Antigen
Host/Reactivities: Host: Human
Applications: ELISA (EIA)

(Antigen)
• 100000
Units
 
 $825

CA199, Antigen

(#MBS8533415)
• 
CA199 Antigen
Gene Names: CA199
Other Names: Crude
Host/Reactivities: Host: Human Ascites

(Antigen)
• 10000
Units
 
 $310

Caffeine-BSA, Antigen

(#MBS569140)
• 
Caffeine-BSA Antigen
Applications: ELISA (EIA), Lateral Flow

(Antigen)
• 1 mg   $280

Caffeine-BSA, Antigen

(#MBS569141)
• 
Caffeine-BSA Antigen
Applications: ELISA (EIA), Lateral Flow

(Antigen)
• 1 mg   $280

Calicivirus, Antigen

(#MBS568829)
• 
Calicivirus, Feline Antigen
Host/Reactivities: Host: FC 3TG Cells
Applications: ELISA (EIA)

(Antigen)
• 1 mg   $515

Calprotectin, Antigen

(#MBS569395)
• 
Calprotectin Antigen >95%
Other Names: calprotectin=urinary stone protein band A {N-terminal}
Host/Reactivities: Host: E.coli
Purification: >95%Purified
Applications: ELISA (EIA), Lateral Flow, TIA

(Antigen)
• 0.1 mg   $495

Cancer Antigen 125 (CA 125), Antigen

(#MBS568847)
• 
Cancer Antigen 125 (CA 125) Ag
Gene Names: CA 125
Host/Reactivities: Host: Ascites Fluid
Purification: >=95%
Applications: ELISA (EIA), Western Blot (WB), Controls

(Antigen)
• 10000
Units
 
 $420

Cancer Antigen 125 (CA 125), Antigen

(#MBS569152)
• 
Cancer Antigen 125 (CA 125) Antigen >90%
Gene Names: CA 125
Host/Reactivities: Host: Human Adenocarcinoma
Purification: >90% by SDS-PAGE
Applications: Immunogen, Controls

(Antigen)
Popular Item
• 25000
Units
 
 $365

Cancer Antigen 125 (CA 125), Antigen

(#MBS568710)
• 
Cancer Antigen 125 (CA 125) Antigen
Gene Names: CA 125
Host/Reactivities: Host: Human Adenocarcinoma
Applications: Immunogen Grade

(Antigen)
• 10000
Units
 
 $220

Cancer Antigen 15-3 (CA 15-3) MUC 1, Antigen

(#MBS568844)
• 
Cancer Antigen 15-3 (CA 15-3) MUC 1 Antigen
Gene Names: CA 15-3
Host/Reactivities: Host: Human Milk
Applications: Immunogen Grade

(Antigen)
• 10000
Units
 
 $220

Cancer Antigen 15-3 (CA 15-3) MUC 1, Antigen

(#MBS568768)
• 
Cancer Antigen 15-3 (CA 15-3) MUC 1 Antigen
Gene Names: CA 15-3
Host/Reactivities: Host: Human Ascites Fluid
Purification: Control grade
Applications: ELISA (EIA), Controls

(Antigen)
Popular Item
• 10000
Units
 
 $420

Cancer Antigen 19-9, Antigen

(#MBS319684)
• 
Cancer Antigen 19-9 (Gastrointestinal Cancer) Calibrator Grade
Other Names: CA19-9 Calibrator Grade
Host/Reactivities: Host: Cell Culture
Purification: Cell Culture ConcentrateProduct is 0.2 um filtered.
Applications: Specific methodologies have not been tested using this product.

(Antigen)
Popular Item
• 50000
Units
 
 $320

Cancer Antigen 19-9, Antigen

(#MBS319694)
• 
Cancer Antigen 19-9 (Gastrointestinal Cancer) Calibrator Grade
Other Names: CA19-9 Calibrator Grade
Purification: Cell Culture ConcentrateProduct is 0.2 um filtered.
Applications: Specific methodologies have not been tested using this product.

(Antigen)
Popular Item
• 50000
Units
 
 $320

Cancer Antigen 19-9 (CA 19-9), Antigen

(#MBS569153)
• 
Cancer Antigen 19-9 (CA 19-9) Antigen
Gene Names: CA 19-9
Host/Reactivities: Host: Liver Carcinoma
Purification: >90% by SDS-PAGE
Applications: Immunogen, Controls

(Antigen)
Popular Item
• 25000
Units
 
 $335

Cancer Antigen 19-9 (CA 19-9), Antigen

(#MBS568679)
• 
Cancer Antigen 19-9 (CA 19-9) Ag
Gene Names: CA 19-9
Host/Reactivities: Host: Liver Carcinoma
Purification: Gel filtration and ion-exchange chromatography
Applications: Immunogen Grade

(Antigen)
Popular Item
• 10000
Units
 
 $210

Cancer Antigen 19-9 (CA 19-9), Antigen

(#MBS568777)
• 
Cancer Antigen 19-9 (CA 19-9) Ag
Gene Names: CA 19-9
Host/Reactivities: Host: Liver Carcinoma
Purification: High purity
Applications: Immunoassays, Immunogen, Controls

(Antigen)
Popular Item
• 25000
Units
 
 $385

Cancer Antigen 242 (CA242), Antigen

(#MBS569146)
• 
Cancer Antigen 242 (CA242) Antigen
Gene Names: CA242
Host/Reactivities: Host: Human Adenocarcinoma
Purification: Gel filtration
Applications: Immunogen, Controls

(Antigen)
Popular Item
• 10000
Units
 
 $220

Cancer Antigen 50 (CA-50), Antigen

(#MBS569301)
• 
Cancer Antigen 50 (CA-50) Antigen
Gene Names: CA-50
Host/Reactivities: Host: Human Cell Culture
Purification: Control grade
Applications: Controls

(Antigen)
• 10000
Units
 
 $760

Cancer Antigen 72-4 (CA72-4), Antigen

(#MBS569145)
• 
Cancer Antigen 72-4 (CA72-4) Antigen
Gene Names: CA72-4
Host/Reactivities: Host: Liver Carcinoma
Purification: >~65% by SDS-PAGE
Applications: Immunogen, Controls

(Antigen)
• 10000
Units
 
 $220

Cancer Antigen CA 15-3, Antigen

(#MBS319703)
• 
Cancer Antigen CA 15-3 (Breast Cancer) High Pure
Other Names: Cancer Antigen CA15-3 (Breast Cancer Antigen) High Pure; CA15-3 High Pure
Host/Reactivities: Host: Human
Purification: Purified
Applications: ELISA (EIA), IFA

(Antigen)
• 10000
Units
 
 $1365

Candida albicans Enolase, Antigen

(#MBS318785)
• 
C. albicans Enolase, Recombinant
Other Names: C. albicans Enolase; Recomb. Candida albicans Enolase; Recombinant; Recombinant Candida albicans Enolase protein produced from the complete ORF of 2-phospho-D-glycerate hydro-lyase. Contains a his-tag...
Host/Reactivities: Host: E Coli
Purification: > 95% pure (SDS-PAGE).
Applications: ELISA (EIA), Lateral Flow (LF), Western Blot (WB)

(Antigen)
Popular Item
• 1 mg   $1290

Cannabinoid (THC), Antigen

(#MBS568857)
• 
Cannabinoid (THC)-HRP Antigen
Gene Names: THC
Applications: ELISA (EIA)

(Antigen)
• 1 mL   $365

Cannabinoid (THC), Antigen

(#MBS568682)
• 
Cannabinoid (THC)-BSA Antigen
Gene Names: THC
Applications: Saliva test

(Antigen)
• 1 mg   $335

Cannabinoid (THC), Antigen

(#MBS568702)
• 
Cannabinoid (THC)-HRP Antigen
Gene Names: THC
Applications: ELISA (EIA)

(Antigen)
• 1 mL   $335

Cannabinoid (THC), Antigen

(#MBS568790)
• 
Cannabinoid (THC)-BSA Antigen
Gene Names: THC
Applications: Rapid test

(Antigen)
• 1 mg   $335

Cannabinoid (THC), Antigen

(#MBS568823)
• 
Cannabinoid (THC)-HRP Antigen
Gene Names: THC
Applications: ELISA (EIA)

(Antigen)
• 1 mL   $610

Cannabinoid (THC)-Delta 8, Antigen

(#MBS568767)
• 
Cannabinoid (THC)-Delta 8 BSA Antigen
Gene Names: THC
Applications: Lateral Flow, ELISA (EIA)

(Antigen)
Popular Item
• 1 mg   $210

Cannabinoid (THC)-Delta 9, Antigen

(#MBS568675)
• 
Cannabinoid (THC)-Delta 9 BSA Antigen
Gene Names: THC
Applications: Lateral Flow, ELISA (EIA)

(Antigen)
• 1 mg   $210

Capric acid (BSA) conjugate, Antigen

(#MBS358284)
• 
Capric acid (BSA) conjugate

Specificity Data
(Antigen)
• 1 mg   $520

Caproic acid (BSA) conjugate, Antigen

(#MBS358253)
• 
Caproic acid (BSA) conjugate

Specificity Data
(Antigen)
• 1 mg   $520

Caprylic acid (BSA) conjugate, Antigen

(#MBS358243)
• 
Caprylic acid (BSA) conjugate

Specificity Data
(Antigen)
• 1 mg   $520

Carbonhydrate Antigen 125, Antigen

(#MBS7041643)
• 
Human Carbonhydrate Antigen 125
Gene Names: CA125
Other Names: Mucin-16; CA-125
Purification: >90% by SDS-PAGE.
Applications: Calibrator, Western Blot (WB)

(Antigen)
Popular Item
• 1 mg   $745

Carcinoembryonic, Antigen

(#MBS568750)
• 
Carcinoembryonic Antigen (CEA)
Gene Names: CEA
Host/Reactivities: Host: Human Liver Carcinoma
Purification: >95% by SDS-PAGE
Applications: Immunogen Grade

(Antigen)
Popular Item
• 1 mg   $495

Carcinoembryonic Antigen, Antigen

(#MBS319683)
• 
Carcinoembryonic Antigen (CEA) >98% Pure
Gene Names: CEACAM5; CEA
Other Names: Carcinoembryonic Antigen (CEA) >= 98% Pure; CEA Antigen >98% Pure; CEA >= 98% Pure; carcinoembryonic antigen; partial; Meconium antigen 100; CD_antigen: CD66e
Host/Reactivities: Host: Human Fluids
Purification: >= 98% (SDS PAGE Single Band at ~180 kD)Purified
Applications: ELISA (EIA)

(Antigen)
Popular Item
• 1 mg   $820

Carisoprodol (Soma), Antigen

(#MBS568638)
• 
Carisoprodol (Soma)-HRP Antigen
Applications: ELISA (EIA)

(Antigen)
• 1 mL   $335

Carisoprodol (Soma), Antigen

(#MBS568780)
• 
Carisoprodol (Soma)-BSA Antigen
Applications: Lateral Flow

(Antigen)
• 1 mg   $335

Carnosine (BSA) conjugate, Antigen

(#MBS358313)
• 
Carnosine (BSA) conjugate

Specificity Data
(Antigen)
• 1 mg   $395

Catalase, Antigen

(#MBS568818)
• 
Catalase Antigen >=95%
Gene Names: CAT
Other Names: catalase
Host/Reactivities: Host: Human Erythrocytes
Purification: >=95% by SDS-PAGE
Applications: Immunogen Grade

(Antigen)
• 2 mg   $440

CEREBELLIN, Antigen

(#MBS238026)
• 
SYNTHETIC HUMAN CEREBELLIN
Gene Names: CBLN1; CER
Other Names: cerebellin-1; cerebellin 1 precursor
Purification: Peptide content is approximately 72% of total mass. Peptide purity is >99% by HPLC analysis
Applications: ELISA (EIA)

(Antigen)
• 0.1 mg   $215

Ceruloplasmin, Antigen

(#MBS568734)
• 
Ceruloplasmin Antigen >=95%
Gene Names: CP; CP-2
Other Names: ceruloplasmin; ceruloplasmin (ferroxidase)
Host/Reactivities: Host: Human Plasma
Purification: >=95% by SDS-PAGE
Applications: Immunogen Grade

(Antigen)
• 3 mg   $385

CGRP, Antigen

(#MBS238025)
• 
SYNTHETIC RAT CALCITONIN GENE RELATED PEPTIDE
Gene Names: Calca; CAL6; CGRP; Cal1; Calc; RATCAL6; calcitonin
Other Names: calcitonin gene-related peptide 1 isoform Cgrp preproprotein; calcitonin-related polypeptide alpha
Purification: >95% by HPLC analysis
Applications: ELISA (EIA)

(Antigen)
• 0.05 mg   $235

Chenodeoxycholic Acid , Antigen

(#MBS7041656)
• 
Chenodeoxycholic Acid-BSA
Gene Names: CDCA
Other Names: Chenodiol; chenix; chenic acid; chenodeoxycholate; gallodesoxycholic acid; chendol; chenofalk; chenodesoxycholic acid
Purification: Dialysis
Applications: ELISA (EIA), Immunohistochemistry (IHC) and other possible application

(Antigen)
• 1 mg   $250
• 2 mg   $470
• 5 mg   $1125
Displaying 1 to 50 (of 123 products) Result Pages:  1  2  3  [Next >>] 
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