To ATCC Valued Customers,

ATCC stands ready to support our customers’ needs during the coronavirus pandemic. If you experience any issues with your products or services, please contact ATCC Customer Service at For Technical questions please contact Thank you.

Privacy Policy Update

We remain dedicated to protecting your data and experience throughout our platforms. We have updated our Privacy Policy and your continued use of the Site means you have accepted the revised Privacy Policy. View now >

Escherichia coli bacteriophage Alpha 3 (ATCC® 13706-B2)

Strain Designations: Alpha 3  /  Type Strain: no  /  Biosafety Level: 1

Permits and Restrictions

View Permits

Deposited As alpha 3
Strain Designations Alpha 3
Host Organism
Escherichia coli strain C (ATCC 13706)
Stream water, Edinburgh
Biosafety Level 1

Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.

Product Format freeze-dried
Storage Conditions Frozen: -80°C or colder
Freeze-Dried: 2°C to 8°C
Live Culture: See Propagation Section
Preceptrol® no
Type Strain no
ATCC® 13706-B2™ is a tailless icosahedron with large capsomeres at each apex, 250 angstroms in size, single-stranded DNA.
Host range: restricted to F- strains of Escherichia coli. Unlike the morphologically similar phi X174 it will grow on E. coli B. Strain alpha 3 is morphologically identical to phi X174, S13, phi R and S/1 but differs serologically and in host range
Medium ATCC® Medium 129: Nutrient agar/stabs/broth with 0.5% NaCl
Growth Conditions Temperature: 37°C
Atmosphere: Aerobic
Name of Depositor DE Bradley
Stream water, Edinburgh
Notice: Necessary PermitsPermits

These permits may be required for shipping this product:

  • Customers located in the state of Hawaii will need to contact the Hawaii Department of Agriculture to determine if an Import Permit is required. A copy of the permit or documentation that a permit is not required must be sent to ATCC in advance of shipment.
Basic Documentation