PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29879417-1 2018 OSBP binds, extracts and transfers sterols and phosphatidylinositol-4-phosphate (PI(4)P between liposomes, but the sequence of steps at the membrane surface leading to ligand removal is poorly characterized. pi(4)p 81-87 oxysterol binding protein Homo sapiens 0-4 29879417-2 2018 In this study, we used dual polarization interferometry (DPI), a label-free surface analytical technique, to characterize the interaction of recombinant, purified OSBP as it flows over immobilized dioleoyl-phosphatidylcholine (DOPC) bilayers containing PI(4)P, cholesterol or 25-hydroxycholesterol. pi(4)p 253-259 oxysterol binding protein Homo sapiens 163-167 29879417-3 2018 Kinetics of membrane interaction were analyzed for PI(4)P-binding and phosphorylation mutants of OSBP. pi(4)p 51-57 oxysterol binding protein Homo sapiens 97-101 29879417-4 2018 Wild-type OSBP demonstrated a distinctive association with immobilized DOPC bilayers containing 1-8 mol% PI(4)P that was characterized by initial saturable binding followed by desorption, indicative of PI(4)P extraction. pi(4)p 105-111 oxysterol binding protein Homo sapiens 10-14 29879417-4 2018 Wild-type OSBP demonstrated a distinctive association with immobilized DOPC bilayers containing 1-8 mol% PI(4)P that was characterized by initial saturable binding followed by desorption, indicative of PI(4)P extraction. pi(4)p 202-208 oxysterol binding protein Homo sapiens 10-14 29879417-5 2018 In support of this conclusion, an OSBP mutant with impaired binding and extraction of PI(4)P was stably absorbed to PI(4)P-containing membranes, while a pleckstrin homology domain mutant did not associate with PI(4)P-containing membranes. pi(4)p 86-92 oxysterol binding protein Homo sapiens 34-38 29879417-5 2018 In support of this conclusion, an OSBP mutant with impaired binding and extraction of PI(4)P was stably absorbed to PI(4)P-containing membranes, while a pleckstrin homology domain mutant did not associate with PI(4)P-containing membranes. pi(4)p 116-122 oxysterol binding protein Homo sapiens 34-38 29879417-5 2018 In support of this conclusion, an OSBP mutant with impaired binding and extraction of PI(4)P was stably absorbed to PI(4)P-containing membranes, while a pleckstrin homology domain mutant did not associate with PI(4)P-containing membranes. pi(4)p 116-122 oxysterol binding protein Homo sapiens 34-38 29879417-8 2018 These real-time flow studies allow us to dissect the association of OSBP with PI(4)P into discrete components; initial recruitment to PI(4)P membranes by the PH domain, detection and extraction of PI(4)P, and desorption due to ligand depletion. pi(4)p 78-84 oxysterol binding protein Homo sapiens 68-72