Deficient in protease III (ptr); useful for expressing recombinant proteins.

Phenotype verified: cmlR, kanR, strR, galK.

Record History
Added on March 5, 2014 at 1:11 PM by Lindner, Jill
Modified on March 5, 2014 at 1:30 PM by Lindner, Jill
Shared with (contributions)
VCSCBi: Training / Bacterial Strains Master

Bacterial Strain Annotations

Organism Escherichia coli
Strain SF 103
Resistance Markers None or not provided
Genetic Modification Genotype: F- delta(lacIPOZY)X74 galE galK thi rpsL deltaPhoA(PvuII) ptr32::omegaCatR.
Plasmid Not provided

Culture Conditions

Growth Media

ATCC® Medium 1636: LB medium (ATCC medium 1065) with 20 mcg/ml chloramphenicol, 37°C

Storage Solution Not provided


Commercial ATCC
Catalog #55100
Stock Date March 5, 2014


Biosafety Level 1

Inventory Location



Document 55100.pdf - Added on March 5, 2014 at 1:28 PM by Jill Lindner

Document msds_microbial1.pdf - Added on March 5, 2014 at 1:27 PM by Jill Lindner