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CAS RN: | Product Number: H1621

Horseradish Peroxidase Maleimide Conjugate (0.5mg×3)


Purity:
Synonyms:
  • HRP Maleimide (0.5mg×3)
  • Horseradish Peroxidase Maleimide Activated (0.5mg×3)
Documents:
1SET
€100.00
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Note:

Product Information
Volume/Quantity : 0.5 mg x 3 vial
Conjugation : Peroxidase from Horseradish (HRP) was conjugated to Sulfo-SMCC(TCI : code S0883).
Product Form : Horseradish Peroxidase Maleimide Conjugate.
Lyophilized in 10 mM sodium phosphate, 0.115 mM NaCl,40 mM sucrose, pH 6.6.
Preservative : None

Storage
Store at -20 ºC to -80 ºC (Preferably at -80 ºC). Reconstitute this reagent immediately before use. Do not prepare stock solutions for storage. Discard any unused reconstituted reagent.

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Description
HRP Maleimide Conjugate is designed to facilitate the conjugation of the HRP to proteins, peptides and ligands that contain a free sulfhydryl (-SH) groups. Activated HRP contains 1–3 maleimide groups for each HRP molecule.

Protocol
1. Firstly return the vial to room temperature.
2. Reconstitute the contents of the vial with 100 μL of buffer or water to obtain a 5 mg/mL solution of HRP Maleimide.
Note: Do not vortex or heat the HRP Maleimide.
3. Dissolve the sulfhydryl compound to be conjugated at 2-5 mg/ml in the buffer.
Note: We recommend that the thiol-containing molecule is dissolved in the pH range 6.5-7.5 buffer. 0.1M sodium phosphate, 0.15M NaCl, 10mM EDTA at pH 7.2 is commonly employed. Maleimides react with sulfhydryls at pH 6.5-7.5 to form stable thioether bonds. EDTA may help to prevent metal catalysed oxidation of thiols. Use of a 4:1 (HRP Maleimide:antibody) molar ratio in the conjugation reaction usually results in high-activity conjugates. This vial contains 0.5 mg of HRP Maleimide Conjugate and can effectively modify 0.5 mg of immunoglobulin.
4. Immediately mix the thiol-containing molecule and HRP Maleimide solutions and allow them to react for 2 hours at room temperature. To increase HRP incorporation, extend reaction time up to 12 hours.
5. If desired, desalt, dialyze or purify the conjugate.

Product Number H1621
Physical State (20 deg.C) Solid
Storage Temperature -20°C
Condition to Avoid Heat Sensitive
Specifications
Appearance Light yellow to Brown powder to crystal
Molar Ratio Maleimido 1-3 moles of maleimide per mole of HRP
Properties (reference)
GHS
Related Laws:
Transport Information:
HS Number 3507909090
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