Abstract: Immunization formulations comprising an antigen and an emulsan or emulsan analog are formed and can be administered to a host. The emulsan or emulsan analog is an adjuvant in the immunization formulation. The emulsan or emulsan analog is secreted from Acinetobacter calcoaceticus. In particular, the emulsan or emulsan analog is secreted from Acinetobacter calcoaceticus RAG-1. The emulsan analog is produced and secreted from Acinetobacter calcoaceticus cultured in the presence of varying fatty acid sources. The emulsan analog is also produced and secreted from mutants of Acinetobacter calcoaceticus, such as transposon mutants of Acinetobacter calcoaceticus RAG-1.

Abstract: Disclosed herein are the cDNA and polypeptide sequences of a novel cytoplasmic post-prolyl dipeptidase, QPP. QPP is expressed in T-cells and in neurons, and functions to protect quiescent cells from apoptotic death. Therefore, QPP can be used as a therapeutic to inhibit apoptotic cell death and as a target in screening for compounds that modulate cell death.

Abstract: An isolated and cloned region of a bacterial chromosome containing a multiple antibiotic resistance operon is disclosed. A description of the structure and function of the operon is provided as are-assorted recombinant DNA constructs involving the operon or fragments thereof. The diagnostic, therapeutic and experimental uses of these constructs are also disclosed. Methods of evaluating the antibiotic effectiveness of compositions are disclosed and methods of treatment employing effective compositions are provided.

Abstract: Disclosed herein are the cDNA and polypeptide sequences of a novel cytoplasmic post-prolyl dipeptidase, QPP. QPP is expressed in T-cells and in neurons, and functions to protect quiescent cells from apoptotic death. Therefore, QPP can be used as a therapeutic to inhibit apoptotic cell death and as a target in screening for compounds that modulate cell death.

Abstract: The present invention makes available novel compounds useful for inhibiting kinases, phosphatases and SH2 domains, e.g., an interaction between a protein containing an SH2 domain and a phophotyrosine-containing polypeptide. In one embodiment, the present invention provides boronylphenyl analogs of phosphotyrosines which, in such forms as peptidomimetics, can be used to modulate signal transduction pathways in cells.

Abstract: The present invention makes available novel compounds represented by the general formula ##STR1## wherein Y represents a phosphate analog. Which compounds are useful for inhibiting an interaction between a protein containing an SH2 domain and a phophotyrosine-containing polypeptide.