- Origin – Imported from The Jackson Laboratory in 2013 and 2022.
- Common name/s – Ptprc, Ly5.1, CD45.1
- Colour – Black
- Special characteristics – Fully backcrossed onto C57BL/6J, this congenic strain carries the differential B cell antigen Ptprc (Protein-Tyrosine Phosphatase), previously known as Ly5.1 and CD45.1.
- Conditions of use – These mice are sold subject to The Jackson Laboratory’s Conditions of Use and also the Australian Patent Number 2004268530.