rev:  January 23, 2002

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& Related Antibodies  

(anti-Human and others as indicated)

RDI Divison of Fitzgerald Industries Intl  offers a wide line of  antibodies. Since no one antibody works best for all applications (neutralization, blotting, histochemistry, ELISA, etc), we offer many different types of antibodies to help solve this problem. Please inquire for other applications or types of antibodies not listed below.

ANTI-CYP2C19  (Polyspecific)

Rabbit anti-human Cytochrome P450 CYP2C19   NEW POLYSPECIFIC ANTIBODY

PRODUCT NUMBER RDI-CYP2C19abr    $562.00/1mg vial


Polyclonal Antibody Developed in Rabbits

IgG Fraction, Lyophylized


Antiserum was developed in rabbits using purified recombinant human CYP2C19 as immunogen. The whole IgG fraction was purified from antiserum using caprylic acid/ammonium sulfate fractionation. Anti-CYP2C19 IgG is provided in a lyophilized state after freeze-drying from 100 mM potassium phosphate buffer (pH 7.4), 250 mM KCl, and 2.5 µM thimerosal (added as a preservative).

¨ Specificity and Purity

Specificity has been determining by Western blotting. Anti-human CYP2C19 IgG reacts primarily with its immunogen (CYP2C19; 51 kDa) as well as with CYP2C9 (56 kDa) in human liver microsomes; cross-reaction with CYP2C8 (52 kDa) is minimal, however. Reactivity of anti-CYP2C19 with CYP2C proteins in rat, rabbit, and hamster liver microsomes is unknown. Purity of the antibody has been established by SDS-PAGE run under denaturing conditions. Two protein bands with molecular weights of 50 kDa and 25 kDa can be visualized by Coomassie blue staining, which correspond to the heavy and light chains, respectively, of rabbit IgG.

¨ Reconstitution and Storage

Reconstitute by adding 0.5 ml of distilled water to one vial of lyophilized IgG (1 mg). Rotate vial gently until powder dissolves. Add 0.5 ml of neat glycerol to obtain a 50% glycerol solution containing 1 mg IgG/ml. Prior to reconstitution, store the product at 0-5°C. After reconstitution, the solution can be stored at -20°C since the presence of 50% glycerol will prevent freeze/thaw cycles.

¨ Use for Western Blotting

1. For full size (15 x 15 cm) blots, add 50-100 µg rabbit anti-human CYP2C19 IgG to 15-20 ml of blocking solution (e.g., Blotto). This corresponds to 50-100 µl of the 1.0 mg IgG/ml solution prepared in 50% glycerol as described above. The amount can be scaled down proportionately with smaller size blots.

2. Incubate overnight at room temperature, and remove antibody solution (which can be stored at -20°C for re-use). After washing blot extensively with blocking solution to remove unbound CYP2C19 antibody, incubate with an anti-rabbit IgG conjugate of choice (e.g, anti-rabbit IgG peroxidase, anti-rabbit IgG-alkaline phosphatase or anti-rabbit IgG-biotin), and stain accordingly.

For In Vitro Research Use Only

Sample Blotting Data:

blotting picture of

1= UC8905 Liver Mix   20ug          Note: Top Dark Bands on all lanes are non specific keratin staining

2=CYP2C19                 0.1ug         Unasborbed tested with 150ug/20ml of antibody, (7.5ug/ml)

3=CYP2C8                   0.1ug          -absorbed antibody at 300ug/20ml  (15ug/ml)

4=CYP2C9                   0.1ug          -titer for each detection sysem

5=UC9408 Liver Mix     20ug          -MW CYP2C19= 50 kDa,  CYP2C9=56 kDa, CYP2C8=51.5kDa

6=UC9411 Liver Mix     20ug

See also antibodies against: CYP2A6, CYP2C8, CYP2C9, CYP2E1, CYP3A4 (in production), CYP2C19M ,CYP450 reductase, CYP450 side chain cleavage.

for:pure natural P450 enzymes

RDI Divison of Fitzgerald Industries Intl

34 Junction Square Drive

Concord MA 01742-3049


phone (978) 371-6446 or (800) 370-2222

fax     (978) 371-2266

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