Preface. Chinese Peptide Symposium - 1998. Session A: Novel approach on synthetic method. Orthogonal ligation of free peptides; J.P. Tam, et al. Solid phase synthesis of peptide aldehydes; J.-A. Fehrentz, et al. Investigation of enzyme activity and inhibition in the interior of novel solid supports; M. Meldal, et al. Immobilization of alpha-chymotrypsin on zeolite for peptide synthesis in organic solvent; Y.-H. Ye, et al. Preparation of a peptide thioester using a fluoren-9-ylmethoxycarbonyl solid-phase method; X.-Q. Li. Application of DEPBT for the synthesis of N-protected peptide alcohols; G.-L. Tian, et al. Decomposition of amino acid cupric complex by using tetrahydrothiazole-2-thione for preparation of Nalpha-Boc-Nepsilon-Fmoc-L-Lysine; X.-M. Gao, et al. Two-step selective formation of three disulfide bridges in the synthesis of delta-Conotoxin P VIA; H. Jiang, et al. Session B: Structure, folding and conformation analysis/De novo design of peptide & protein. Design, synthesis and NMR structure of a rigid cyclic peptide template; S.A. Muhle, J.P. Tam. Automated docking of Sch68631 with HCV NS3 protease; X.-J. Xu. Molecular modeling of the three-dimensional structure of the human interleukin-11; L.-R. Chen, et al. Designing beta-hairpin forming short peptide; Y.-L. Sha, et al. Anti-tumor activities of papavor somniferum pollen peptides; J.-X. Xu, S. Jin. Structural investigation of two pollen peptides by 2D homonuclear NMR spectroscopy; Y.-L. Song, et al. A comparison of three heuristic algorithms for molecular docking; T.-J. Hou, et al. Aggregation of a calmodulin-binding peptide; H.-S. Yan, et al. Session C: Neuro/Endocrino/Bioactive peptide. Neuropeptide AVP(4-8) playing an indirect neurotrophic role; Q.-W. Yan, et al. Potent bradykinin antagonists having medical potential; J.M. Stewart, et al. Understanding the chemistry and biology of rodent relaxin: Role of the C-peptide; J.D. Wade, et al. Purification and characterization of a new conotoxin from the venom of Conus betulinu; C.-X. Fan, et al. Synthesis and biological activity of human calcitonin analogs; C. Yu, et al. Enhanced expression of CNDF mRNA in rat brain by administration of AVP(4-8); W.-X. Li, et al. The synthesis and opioid activities of nociceptin and its fragments; S.-L. Dong, et al. The effect of Glu position change on the opioid activity of deltorphin II; R. Wang, et al. Isolation and purification of a series of peptides from Panax notoginseng; J.-G. Ji, et al. Study of the relationship between structure and function of HIV-1 gp 41 N terminus fusion peptide; M. Wu, et al. Hypotensive activities of nociceptin and its fragments; R. Wang, et al. The design and synthesis of endomorphins and their analogues; X.-F. Huo, et al. Neuronal apoptosis induced by &bgr;-amyloid peptides in vitro; W.-X. Li, et al. Studies on the spin-labeling technique on deltorphin II and its analogues; D.-J. Yang, et al. Design and synthesis of salmon calcitonin and its analogues; H.-P. Pan, et al. Studies on the synthesis and antithrombosis activity of two peptides derived from the molecular--binding site of fibrinogen; X.-Y. Hu. Synthesis and expression of &ohgr;-conotoxin MVIIA; M.-Y. Cai, X.-M. Qu. Session D: Peptide Vaccines/Immunology/Virus. Studies on the synthetic peptide vaccines against schistosomiasis; S.-L. Cao, et a