Profacgen provides One-Stop-Service on site specific protein labeling, including fluorescent labeling, enzyme conjugation, ... E3 Ligase and Target Proteins Development Services *Custom Protein Ubiquitination Services. *E3 ligase or target proteins ... Nucleic Acid-Protein Interactions *DNA-Protein Interactions *Chromatin Immunoprecipitation (ChIP) Assay Service ... Protein labeling is extensively used to enable the detection and purification of the desired protein, and to facilitate the ...