First mRNA bаse (5' end оf cоdоn) Second Letter - U Second Letter - C Second Letter - A Second Letter - G Third mRNA bаse (3' end of codon) Codon Tаble U UUU - Phe (F) UUC - Phe (F) UUA - Leu (L) UUG - Leu (L) UCU - Ser (S) UCC - Ser (S) UCA - Ser (S) UCG - Ser (S) UAU - Tyr (Y) UAC - Tyr (Y) UAA - Stop UAG - Stop UGU - Cys (C) UGC - Cys (C) UGA - Stop UGG - Trp (W) U C A G C CUU - Leu (L) CUC - Leu (L) CUA - Leu (L) CUG - Leu (L) CCU - Pro (P) CCC - Pro (P) CCA - Pro (P) CCG - Pro (P) CAU - His (H) CAC - His (H) CAA - Gln (Q) CAG - Gln (Q) CGU - Arg (R) CGC - Arg (R) CGA - Arg (R) CGG - Arg (R) U C A G A AUU - Ile (I) AUC - Ile (I) AUA - Ile (I) AUG - Met (M) or start ACU - Thr (T) ACC - Thr (T) ACA - Thr (T) ACG - Thr (T) AAU - Asn (N) AAC - Asn (N) AAA - Lys (K) AAG - Lys (K) AGU - Ser (S) AGC - Ser (S) AGA - Arg (R) AGG - Arg (R) U C A G G GUU - Val (V) GUC - Val (V) GUA - Val (V) GUG - Val (V) GCU - Ala (A) GCC - Ala (A) GCA - Ala (A) GCG - Ala (A) GAU - Asp (D) GAC - Asp (D) GAA - Glu (E) GAG - Glu (E) GGU - Gly (G) GGC - Gly (G) GGA - Gly (G) GGG - Gly (G) U C A G