PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21423979-5 2011 The CH(2)CHCO fragment spontaneously decomposes to CH(2)CH + CO. A proportion of primary products CH(2)CH from the fission of bond C-C of propenal further decompose to CHCH + H but secondary dissociation HCO H + CO is negligibly small. Acrolein 138-146 churchill domain containing 1 Homo sapiens 168-172