Anti-His Tag (HIS.H8) is one of the most popular anti-His tag Ab and used by many research and diagnostics laboratories around the world because of its high sensitivity and high affinity. Anti-GFP Tag (GF28R) mAb has high affinity and is equally versatile to its RFP counterpart: it recognizes both the native and denatured forms of GFP and its many variants such as YFP, EGFP, EYFP, and CFP. Anti-RFP Tag (RF5R) mAb also has high affinity and is very versatile as it recognizes both the native and denatured forms of RFP and its many variants such as TagRFP, TurboRFP, dsRed, mCherry, mOrange, tdTomato, etc.