1: Torregrossa MM, Jutkiewicz EM, Mosberg HI, Balboni G, Watson SJ, Woods JH. Peptidic delta opioid receptor agonists produce antidepressant-like effects in the forced swim test and regulate BDNF mRNA expression in rats. Brain Res. 2006 Jan 19;1069(1):172-81. Epub 2005 Dec 20. PubMed PMID: 16364263; PubMed Central PMCID: PMC1780167.
2: Mosberg HI, Fowler CB. Development and validation of opioid ligand-receptor interaction models: the structural basis of mu vs delta selectivity. J Pept Res. 2002 Dec;60(6):329-35. PubMed PMID: 12464111.
3: Mosberg HI. Complementarity of delta opioid ligand pharmacophore and receptor models. Biopolymers. 1999;51(6):426-39. Review. PubMed PMID: 10797231.
4: Mansour A, Taylor LP, Fine JL, Thompson RC, Hoversten MT, Mosberg HI, Watson SJ, Akil H. Key residues defining the mu-opioid receptor binding pocket: a site-directed mutagenesis study. J Neurochem. 1997 Jan;68(1):344-53. PubMed PMID: 8978745.
5: Mosberg HI, Dua RK, Pogozheva ID, Lomize AL. Development of a model for the delta-opioid receptor pharmacophore. 4. Residue 3 dehydrophenylalanine analogues of Tyr-c[D-Cys-Phe-D-Pen]OH (JOM-13) confirm required gauche orientation of aromatic side chain. Biopolymers. 1996 Sep;39(3):287-96. PubMed PMID: 8756510.
6: Gao P. Comparison of cyclic delta-opioid peptides with non-peptide delta-agonist spiroindanyloxymorphone (SIOM) using the message-address concept: a molecular modeling study. J Comput Aided Mol Des. 1996 Aug;10(4):327-36. PubMed PMID: 8877704.
7: Brandt W, Stoldt M, Schinke H. The mu- and delta-opioid pharmacophore conformations of cyclic beta-casomorphin analogues indicate docking of the Phe3 residue to different domains of the opioid receptors. J Comput Aided Mol Des. 1996 Jun;10(3):201-12. PubMed PMID: 8808737.
8: Lomize AL, Pogozheva ID, Mosberg HI. Development of a model for the delta-opioid receptor pharmacophore: 3. Comparison of the cyclic tetrapeptide, Tyr-c[D-Cys-Phe-D-Pen]OH with other conformationally constrained delta-receptor selective ligands. Biopolymers. 1996 Feb;38(2):221-34. PubMed PMID: 8589255.
9: Deschamps JR, George C, Flippen-Anderson JL. Structural studies of opioid peptides: a review of recent progress in x-ray diffraction studies. Biopolymers. 1996;40(1):121-39. Review. PubMed PMID: 8541444.
10: Mosberg HI, Omnaas JR, Lomize A, Heyl DL, Nordan I, Mousigian C, Davis P, Porreca F. Development of a model for the delta opioid receptor pharmacophore. 2. Conformationally restricted Phe3 replacements in the cyclic delta receptor selective tetrapeptide Tyr-c[D-Cys-Phe-D-Pen]OH (JOM-13). J Med Chem. 1994 Dec 9;37(25):4384-91. PubMed PMID: 7996550.
11: Mosberg HI, Lomize AL, Wang C, Kroona H, Heyl DL, Sobczyk-Kojiro K, Ma W, Mousigian C, Porreca F. Development of a model for the delta opioid receptor pharmacophore. 1. Conformationally restricted Tyr1 replacements in the cyclic delta receptor selective tetrapeptide Tyr-c[D-Cys-Phe-D-Pen]OH (JOM-13). J Med Chem. 1994 Dec 9;37(25):4371-83. PubMed PMID: 7996549.
12: Heyl DL, Schmitter SJ, Bouzit H, Johnson TW, Hepp AM, Kurtz KR, Mousigian C. Substitution of aromatic and nonaromatic amino acids for the Phe3 residue in the delta-selective opioid peptide deltorphin I: effects on binding affinity and selectivity. Int J Pept Protein Res. 1994 Nov;44(5):420-6. PubMed PMID: 7896499.
13: Mosberg HI, Kroona HB. Incorporation of a novel conformationally restricted tyrosine analog into a cyclic, delta opioid receptor selective tetrapeptide (JOM-13) enhances delta receptor binding affinity and selectivity. J Med Chem. 1992 Nov 13;35(23):4498-500. PubMed PMID: 1333014.
14: Heyl DL, Mosberg HI. Modification of the Phe3 aromatic moiety in delta receptor-selective dermorphin/deltorphin-related tetrapeptides. Effects on opioid receptor binding. Int J Pept Protein Res. 1992 May;39(5):450-7. PubMed PMID: 1330964.
15: Nikiforovich GV, Hruby VJ, Prakash O, Gehrig CA. Topographical requirements for delta-selective opioid peptides. Biopolymers. 1991 Jul;31(8):941-55. PubMed PMID: 1782355.
16: Heyl DL, Omnaas JR, Sobczyk-Kojiro K, Medzihradsky F, Smith CB, Mosberg HI. Opioid receptor affinity and selectivity effects of second residue and carboxy terminal residue variation in a cyclic disulfide-containing opioid tetrapeptide. Int J Pept Protein Res. 1991 Mar;37(3):224-9. PubMed PMID: 1651290.