PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17497305-7 2008 The enzyme had a molecular mass of 40 kDa on SDS/PAGE, exhibiting optimal phosphatase activity at pH 12.3 and 70 degrees C. The enzyme possessed characteristics of a DING protein, such as ATPase, ds endonuclease and 3" phosphodiesterase (3"-exonuclease) activities and binding to linear dsDNA, displaying helicase activity on supercoiled DNA. Sodium Dodecyl Sulfate 45-48 ring finger protein 2 Homo sapiens 166-170