PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25411889-4 2014 Regarding the mechanism, derivation of the rate law from NMR spectroscopic and kinetic measurements suggests first order in catalyst concentration, fractional order in pyridine concentration and inverse first order in pinacolborane concentration, with C=N insertion into the La-H bond as turnover-determining. pyridine 168-176 desmoglein 4 Homo sapiens 275-279