Amino Acid/Rare Codons # % Arginine: AGA, AGG, CGA 44 3 Glycine: GGA 39 2.7 Isoleucine: ATA 13 0.9 Proline: CCC 12 0.8 Leucine: CTA 11 0.8 Doublets 4 0.2 Triplets 3 0.2

Table 1: Rare Codon Usage in the Wild type Mannose Receptor