PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21948715-6 2012 Furthermore, blocking contraction of collagen I gels by cytochalasin B inhibited Mmp13 and -14 expression and the release of hydroxyproline. Cytochalasin B 56-70 collagenase 3 Capra hircus 81-86