Abstract Background A chicken egg contains several biotin-binding proteins (BBPs). whose complete DNA and amino acid sequences are not known. In order to identify and characterise these genes and proteins we studied chicken cDNAs and genes available in the NCBI database and chicken genome database using the reported N-terminal amino acid sequences of chicken egg-yolk BBPs as search st... https://megavitamines.shop/product-category/prenatal-multivitamins/