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Structural basis for recognition of MHC and MHC-like ligands by natural killer cell receptors.


ABSTRACT: Natural killer (NK) cell function is regulated by NK cell receptors that bind classical MHC class I molecules or their structural relatives. The latter group includes self-ligands (MICA, RAE-I, H-60), as well as ligands encoded by viruses (UL18, m155, m157). Two distinct families of NK receptors have been identified: the immunoglobulin-like family (KIRs, LIRs) and the C-type lectin-like family (Ly49s, NKG2D, CD94/NKG2). Here we describe the crystal structures of NK receptors that have been determined to date, both in free form and bound to MHC class I or MHC class I-like molecules.

SUBMITTER: Deng L 

PROVIDER: S-EPMC2519613 | biostudies-literature | 2006 Jun

REPOSITORIES: biostudies-literature

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Structural basis for recognition of MHC and MHC-like ligands by natural killer cell receptors.

Deng Lu L   Mariuzza Roy A RA  

Seminars in immunology 20060601 3


Natural killer (NK) cell function is regulated by NK cell receptors that bind classical MHC class I molecules or their structural relatives. The latter group includes self-ligands (MICA, RAE-I, H-60), as well as ligands encoded by viruses (UL18, m155, m157). Two distinct families of NK receptors have been identified: the immunoglobulin-like family (KIRs, LIRs) and the C-type lectin-like family (Ly49s, NKG2D, CD94/NKG2). Here we describe the crystal structures of NK receptors that have been deter  ...[more]

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