“…Indeed, the IPD-IMGT/HLA Database 3.44 release describes no other HLA-A allele displaying a GCC sequence in codon 271, explaining why the manufacturer did not include probes targeting this codon. The analysis of the localization of this amino-acid and its antibody accessibility with the pHLA3D database 4 indicated that this amino-acid is located out of the peptide binding groove while it is surface accessible. Threonine and Alanine are amino-acids displaying different physico-chemical properties, a transplanted organ from a donor expressing the HLA-A*01:367 allele could lead to a humoral allo-sensitization which cannot be detected by current solid-phase assays.…”
“…Indeed, the IPD-IMGT/HLA Database 3.44 release describes no other HLA-A allele displaying a GCC sequence in codon 271, explaining why the manufacturer did not include probes targeting this codon. The analysis of the localization of this amino-acid and its antibody accessibility with the pHLA3D database 4 indicated that this amino-acid is located out of the peptide binding groove while it is surface accessible. Threonine and Alanine are amino-acids displaying different physico-chemical properties, a transplanted organ from a donor expressing the HLA-A*01:367 allele could lead to a humoral allo-sensitization which cannot be detected by current solid-phase assays.…”
“…Indeed the IPD-IMGT/HLA Database 3.44.0 release describe no other HLA-DPA1 allele displaying a ATA sequence in codon 13, explaining why the manufacturer did not include probes targeting this codon. The analysis of the localization of this amino-acid and its antibody accessibility with the pHLA3D database 4 indicated that this aminoacid is located out of the peptide binding groove while its surface accessibility is unclear. Therefore, its clinical significance is unclear.…”
“…Indeed the IPD-IMGT/HLA Database 3.43.0 release shows that there is no other HLA-DQA1 allele displaying an AGG sequence in codon 46, explaining why the manufacturer did not include probes recognizing this allele. The analysis of the localization of this aminoacid and its antibody accessibility with the pHLA3D database 4 indicated that this amino-acid is potentially surface accessible and located close to the peptide binding groove. Then it could have an importance in both solid organ transplantation and allogeneic hematopoietic stem cell transplantation.…”
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