Multiple extracellular loop domains contribute critical determinants for agonist binding and activation of the secretin receptor

MH Holtmann, S Ganguli, EM Hadac, V Dolu… - Journal of Biological …, 1996 - ASBMB
Distinct themes exist for ligand-binding domains of G protein-coupled receptors. The
secretin receptor is prototypic of a recently described family in this superfamily which binds …

Demonstration of a direct interaction between residue 22 in the carboxyl-terminal half of secretin and the amino-terminal tail of the secretin receptor using photoaffinity …

M Dong, Y Wang, DI Pinon, EM Hadac… - Journal of Biological …, 1999 - ASBMB
An understanding of the molecular basis of hormonal activation of receptors provides
important insights for drug design. Toward this end, intrinsic photoaffinity labeling is a …

Identification of an interaction between residue 6 of the natural peptide ligand and a distinct residue within the amino-terminal tail of the secretin receptor

M Dong, Y Wang, EM Hadac, DI Pinon… - Journal of Biological …, 1999 - ASBMB
Photoaffinity labeling is a powerful tool for the characterization of the molecular basis of
ligand binding. We recently used this technique to demonstrate the proximity between a …

Structural insights into the amino-terminus of the secretin receptor: I. Status of cysteine and cystine residues

YW Asmann, M Dong, S Ganguli, EM Hadac… - Molecular …, 2000 - ASPET
The secretin receptor is prototypic of the class II family of G protein-coupled receptors, with a
long extracellular amino-terminal domain containing six highly conserved Cys residues and …

Lysine 173 residue within the first exoloop of rat secretin receptor is involved in carboxylate moiety recognition of Asp 3 in secretin

JP Vilardaga, E Di Paolo, P De Neef… - Biochemical and …, 1996 - Elsevier
The contribution of the extracellular loops of the secretin receptor to the recognition of
secretin was investigated by transfection in CHO cells of chimeric receptors, in which the …

Molecular pharmacology of the secretin receptor

M Dong, LJ Miller - Receptors and Channels, 2002 - Taylor & Francis
The secretin receptor was the first member of the Class II family of G protein-coupled
receptors to be cloned. It is prototypic of this family in its structure, function, and regulation …

Identification of two pairs of spatially approximated residues within the carboxyl terminus of secretin and its receptor

M Dong, YW Asmann, M Zang, DI Pinon… - Journal of Biological …, 2000 - ASBMB
The carboxyl-terminal domains of secretin family peptides have been shown to contain key
determinants for high affinity binding to their receptors. In this work, we have examined the …

Structural basis of natural ligand binding and activation of the Class II G-protein-coupled secretin receptor

LJ Miller, M Dong, KG Harikumar… - Biochemical Society …, 2007 - portlandpress.com
The secretin receptor is prototypic of Class II GPCRs (G-protein-coupled receptors), based
on its structural and functional characteristics and those of its natural agonist ligand. Secretin …

Agonist-stimulated phosphorylation of the carboxyl-terminal tail of the secretin receptor.

F Ozcelebi, MH Holtmann, RU Rentsch, R Rao… - Molecular …, 1995 - ASPET
The secretin receptor belongs to a recently recognized family of G protein-coupled receptors
that lack the sequence motifs typical of the beta-adrenergic receptor family. Because our …

Possible endogenous agonist mechanism for the activation of secretin family G protein-coupled receptors

M Dong, DI Pinon, YW Asmann, LJ Miller - Molecular pharmacology, 2006 - ASPET
The class B family of G protein-coupled receptors contains several potentially important drug
targets, yet our understanding of the molecular basis of ligand binding and receptor …