Bayer Corporation

Donna Guralski

William J Knowles

Wallace Haigh

John T Letsinger

Kevin B Clairmont

John T Hart

An aminopeptidase which is a component of GLUT4-containing vesicles in the natural state, and which cleaves insulin. The claimed protein has an apparent molecular weight of approximately 110 kD in its deglycosylated form and a predicted molecular weight of 117,239 Daltons. It includes the amino acid sequences Phe-Ala-Ala-Thr-Gln-Phe-Glu-Pro-Leu-Ala-Ala (SEQ ID NO: 1) and Ile-Leu-Gln-Asn-Gln-Ile-Gln-Gln-Gln-Thr-Arg-Thr-Asp-Glu-Gly-Xaa-Pro-Xaa-Me t (SEQ ID NO: 2, and reacts with antibodies produced against the peptide identified as (SEQ ID NO: 1). It is encoded by the cDNA of FIG. 20 (SEQ. ID NOs. 15 and 16) and is essentially the protein sequence therein described. Modulators of the activity of the aminopeptidase and a method for treating syndromes of insulin resistance, including diabetes, by administration of such a modulator are also claimed.

Glucose transporter vesicle aminopeptidase

An aminopeptidase which is a component of GLUT4-containing vesicles in the natural state, and which cleaves insulin. The claimed protein has a molecular weight of approximately 110 kD in its deglycosylated form. It includes the amino acid sequences Phe-Ala-Ala-Thr-Gln-Phe-Glu-Pro-Leu-Ala-Ala [SEQ ID NO: 1] and Ile-Leu-Gln-Asn-Gln-Ile-Gln-Gln-Gln-Thr-Arg-Thr-Asp-Glu-Gly-Xaa-Pro-Xaa-Me t [SEQ ID NO: 2], and reacts with antibodies produced against the peptide identified as [SEQ ID NO: 1]. Modulators of the activity of the aminopeptidase and a method for treating syndromes of insulin resistance, including diabetes, by administration of such a modulator are also claimed.

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Oxford, CT, United States of America

Donna Guralski