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Welcome to United States Biological

Now offering over 70,000 antibodies, antigens and biochemicals.

Antibodies

Antibodies
Growth Factors

Growth Factors
Biochemicals

Biochemicals
Kits & Assays

Kits & Assays
Cloning

Cloning
Lectins

Lectins
Culture Media

Culture Media
Serum & Tissues

Serum & Tissues
Custom Services

Custom Services
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Free Antibody Reference
Receive a FREE copy (or two) of the 2009 Antibody Reference (Seventh Edition). Over 70,000 antibodies, antigens, and biochemicals. Includes updated Protocol section.

October's Special Deal
Every month, there's something new to help make the most of your research dollar. Take a look at this month's offer!
Cardiac Antibodies and Antigens

Featured Products
» Custom Polyclonal Antibodies
35-day, rabbit. USDA-registered polyclonal production using state-of-the-art facilities.
» Nuclease P1
Nuclease P1 hydrolyzes both 3'-5'-phosphodiester bonds in RNA and heat denatured DNA and 3'-phosphomonoester bonds in mono- and oligonucleotides terminated by 3'-phosphate, without base specificity.
» Micrococcal Nuclease (S7) S. aureus (Strain Foggi)
Micrococcal nuclease is the extracellular nuclease of S. aureus.It catalyzes preferential endohydrolysis of nucleic acids at adenylate, uridylate, deoxyadenylate or thymidylate-rich sites, yielding 3I nucleotides.
» Angiotensin Converting Enzyme
The protease renin cleaves angiotensinogen into inactive decameric peptide angiotensin-I . Angiotensin-converting enzyme (ACE) then cleaves C-terminal dipeptide from Ang-I to form an active octamer angiotensin-II ).

  

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