PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8175695-8 1994 In membranes that were depleted of LTC4 synthase and cytosolic GSTs, 125I-azido-LTC4 (a photoaffinity probe based on LTC4) specifically photolabeled in a cation-dependent manner a 17-kDa polypeptide that was comparable in mass to the microsomal GST polypeptide. 125i-azido-ltc4 69-84 leukotriene C4 synthase Homo sapiens 35-48