PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23135699-3 2013 Switching from SMB to SMA MHC protein expression decreased the rate of the force transient and increased the sustained tonic force in SMB((-/-)) ileum and antrum with high potassium (KPSS) but not with carbachol (CCh) stimulation. Potassium 172-181 immunoglobulin mu binding protein 2 Mus musculus 22-25