PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17218454-4 2007 Based on the DMb, the equipoise diffusion PO2, the PO2 in which Mb-facilitated and free O2 diffusion contribute equally to the O2 flux, varies from 2.72 to 0.15 in myocardium and from 7.27 to 4.24 mmHg in skeletal muscle. PO-2 42-45 RT1 class II, locus DMb Rattus norvegicus 13-16