CR2

CR2 may refer to:

• CR2 battery, a dry-cell type battery commonly used in cameras.
• CR2, a raw image format used by Canon digital cameras.
• CR2, a postcode district in the CR postcode area
• CR2, a collaboration of the two Dj Mike van der Viven & Ramon Zenker, known for their house single I believe.
• CR2, a radio station in Hong Kong broadcast by CRHK
• Crossroads Mall (Mumbai), a mall in India.
• Challenger 2, a British Main Battle Tank.
• Celebrity Rehab 2, a reality television show.
• Camp Rock 2: The Final Jam, the sequel to the Disney Channel Original Movie Camp Rock.

Biological/Medical terms

• Second Complete Remission a prognostic term used frequently in oncology which designates a time when a cancer patient who relapsed after successful response (remission) to treatment is back to remission a second time.
• Complement receptor 2, an immunological cell surface receptor for a complement compoent.
• "Conserved Region 2" i.e. the Second conserved region. In some biological molecules e.g. Epstein–Barr virus EBNA-LP, Adenoviral E1A, Cytomegalovirus pM53 etc., a segmentwise numerical designation is used for alternating regions of highly conserved sequence insterspersed with nonconserved regions. CR2 usually means the second conserved region from the N terminus. This term "CR" i.e. conserved region has somewhat similar meaning to "C" or constant used arbitrarily in some other molecules (e.g. Protein kinase C).