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Table 2 Specificity of the antigenic regions present in CRA and FRA sequences that were identified by the Spot-synthesis technique in comparison to similar sequences of those identified as antigenic for T. cruzi according to the Expasy data base ( http://www.uniprot.org/ )

From: Chagas disease-specific antigens: characterization of epitopes in CRA/FRA by synthetic peptide mapping and evaluation by ELISA-peptide assay

Acession number Protein name Organism Identity
  (%)
CRA-1 (KQKAAEATK)
Q9NJH4 Antigen JL8 T. cruzi 100
Q4DV01 R27-2 protein, putative T. cruzi 100
Q4DN44 Putative uncharacterized protein T. cruzi 100
Q26947 R27-2 protein T. cruzi 100
E7LGS7 Putative uncharacterized protein T. cruzi 100
B9V414 Antigen T. cruzi 100
CRA-2 (KQRAAEATK)
Q4DV01 R27-2 protein, putative T. cruzi 100
Q4DN44 Putative uncharacterized protein T. cruzi 100
Q26947 R27-2 protein T. cruzi 100
E7LGS7 Putative uncharacterized protein T. cruzi 100
B9V414 Antigen T. cruzi 100
FRA-4 (ADRAFLDQPERVP)
Q04946 Cytoskeleton associated protein T. cruzi 92
Q4CS87 Calpain cysteine peptidase, putative T. cruzi 92
Q4CPQ6 Calpain cysteine peptidase, putative T. cruzi 92
Q26898 Antigen DNA (tandem repeat sequence) T. cruzi 92
E7LGE0 Calpain cysteine peptidase, putative T. cruzi 92
A4HFX3 Putative calpain-like cysteine peptidase L. braziliensis 90
E9AHC1 Putative cysteine peptidase L. infantum 76