Immobilized cyclophilin and methods of using such
First Claim
Patent Images
1. Cyclophilin, a homogeneous cytosolic binding protein having a specific binding activity above 50 ug cyclosporin A per mg of protein bound and a molecular weight of about 17,600 daltons, immobilized on a support.
0 Assignments
0 Petitions
Accused Products
Abstract
Homogeneous cyclophilin, a soluble binding protein, having a specific binding activity of above 50 ug cyclosporin A per mg protein and a molecular weight of about 17,600 daltons, reversibly binds immunosuppressants or antibodies thereto such as cyclosporin or anti-cyclophilin. It is isolated from the cytosol of several different mammalian tissues and can be used in various diagnostic and purifications procedures.
27 Citations
15 Claims
- 1. Cyclophilin, a homogeneous cytosolic binding protein having a specific binding activity above 50 ug cyclosporin A per mg of protein bound and a molecular weight of about 17,600 daltons, immobilized on a support.
- 3. In a method of determining the presence or quantity of a ligand in a sample by effecting a specific binding assay during which the sample is combined with a specific binding partner of the ligand under binding conditions, the improvement which comprises the specific binding partner being cyclophilin, a homogeneous cytosolic binding protein having a specific binding activity above 50 ug cyclosporin A per mg of protein bound and a molecular weight of about 17,600 daltons, and said ligand being a cyclophilin receptor.
-
14. In a method of isolating an receptor from its environment by contact with immunoadsorbent, the improvement which comprises employing as immunoadsorbent, cyclophilin, a homogeneous cytosolic binding protein having a specific binding activity above 50 ug cyclosporin A per mg of protein bound and a molecular weight of about 17,600 daltons and wherein said receptor is adsorbable to said cyclophilin.
-
15. The method of claim 20 wherein said cyclophilin is immobilized.
Specification