1996
DOI: 10.1007/s002510050162
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A roadmap for HLA-A, HLA-B, and HLA-C peptide binding specificities

Abstract: The high level of polymorphism in major histocompatibility complex (MHC) molecules leads to many allele-specific peptide binding repertoires that can generally be characterized by sequence motifs. Such motifs have previously been elucidated experimentally for several MHC molecules and shown to bind in specificity pockets in the antigen binding cleft. Here, a new and less restrictive description of the traditional antigen binding pockets is derived. These regions are referred to as peptide binding environments … Show more

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Cited by 114 publications
(91 citation statements)
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“…Whereas Cw*1503 gave strong inhibition of cytoxicity mediated by KIR2DL2, the binding of KIR2DL2-Fc to beads coated with Cw*1502 was weak. Such a difference is consistent with the single difference between the two allotypes being at position 73 (threonine in Cw*1502 and alanine in Cw*1503), which is proximal to the site of KIR-HLA interaction and influences peptide repertoire selection through direct contacts in the C pocket of HLA-C (32).…”
Section: Direct Binding Assays Show Specific Interactions Of Kir2dl2 supporting
confidence: 62%
“…Whereas Cw*1503 gave strong inhibition of cytoxicity mediated by KIR2DL2, the binding of KIR2DL2-Fc to beads coated with Cw*1502 was weak. Such a difference is consistent with the single difference between the two allotypes being at position 73 (threonine in Cw*1502 and alanine in Cw*1503), which is proximal to the site of KIR-HLA interaction and influences peptide repertoire selection through direct contacts in the C pocket of HLA-C (32).…”
Section: Direct Binding Assays Show Specific Interactions Of Kir2dl2 supporting
confidence: 62%
“…Para os alelos de classe I, a primeira classificação de códons ARS, baseada na estrutura cristalográfica do complexo MHC-peptídeo foi a de Bjorkman et al (1987). Anos mais tarde, Chelvanayagam (1996) propos uma classificação também baseada na estrutura da molécula, mas levando em conta, adicionalmente, a "vizinhança" dos resíduos que parecem ser os responsáveis pela apresentação dos peptídeos antigênicos. Como essa região determina a especificidade da molécula de MHC, supôs -se que a seleção positiva sobre os genes que codificam a molécula de MHC estaria direcionada para a porção do gene correspondente à ARS.…”
Section: Estrutura E Função Do Mhcunclassified
“…Na abordagem par-a-par, a definição de códons ARS utilizada foi aquela proposta por Chelvanayagam (1996). Na abordagem filogenética, a possibilidade de usar os modelos de seleção sobre códons motivou uma verificação de quais sítios da molécula HLA estão, de fato, sob seleção e qual o grau de sobreposição entre os códons com evidência de seleção positiva 41 e os códons ARS.…”
Section: Determinação De Sítios Sob Seleção Positivaunclassified
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