antigen-binding fragment
(Fab)
"Fragment antigen binding." A monovalent antigen-binding fragment of an immunoglobulin molecule that consists of one light chain and part of one heavy chain, linked by interchain disulfide bonds.

Microbiology. . 2009.

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  • Fragment antigen binding — The fragment antigen binding (Fab fragment) is a region on an antibody which binds to antigens. It is composed of one constant and one variable domain of each of the heavy and the light chain. These domains shape the paratope the antigen binding… …   Wikipedia

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  • Antigen processing — is a biological process that prepares antigens for presentation to special cells of the immune system called T lymphocytes. This process involves two distinct pathways for processing of antigens from an organism s own (self) proteins or… …   Wikipedia

  • Antigen-presenting cell — An antigen presenting cell (APC) or accessory cell is a cell that displays foreign antigen complexed with MHC on its surface. T cells may recognize this complex using their T cell receptor (TCR). Types APCs fall into two categories: professional… …   Wikipedia

  • Fab-Fragment — Strukturmodell eines Fab Fragments (Bändermodell). Das Fab Fragment, auch Fab Antikörper (von engl. Fragment antigen binding), ist das Antigen bindende Fragment eines Antikörpers, das durch Spaltung mit dem Enzym Papain gewonnen werden kann. Ein… …   Deutsch Wikipedia

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  • Proliferating cell nuclear antigen — The assembled human DNA clamp, a trimer of the protein PCNA …   Wikipedia

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