TABLE 2.

Partial codon usage for the MM1 genes orf13, orf14, and mml

Amino acid	Codon	Codon usagea for:
		MM1	Spn	orf13	orf14	mml
Arg	AGG	0.12	0.06	0.22 (5)	0.57 (4)	0.00 (0)
	AGA	0.33	0.19	0.48 (11)	0.00 (0)	0.18 (2)
	CGG	0.04	0.05	0.04 (1)	0.00 (0)	0.09 (1)
	CGA	0.14	0.12	0.17 (4)	0.14 (1)	0.09 (1)
	CGU	0.26	0.43	0.04 (1)	0.29 (2)	0.18 (2)
	CGC	0.11	0.16	0.04 (1)	0.00 (0)	0.45 (5)
Asn	AAU	0.62	0.67	0.48 (10)	0.17 (1)	0.37 (7)
	AAC	0.38	0.33	0.52 (11)	0.83 (5)	0.63 (12)
Asp	GAU	0.72	0.67	0.70 (14)	0.38 (3)	0.37 (10)
	GAC	0.28	0.33	0.30 (6)	0.62 (5)	0.63 (17)
Gln	CAG	0.29	0.34	0.26 (5)	0.56 (5)	0.50 (5)
	CAA	0.71	0.66	0.74 (14)	0.44 (4)	0.50 (5)
Ile	AUA	0.19	0.10	0.23 (7)	0.33 (2)	0.00 (0)
	AUU	0.51	0.55	0.47 (14)	0.17 (1)	0.27 (3)
	AUC	0.31	0.35	0.30 (9)	0.50 (3)	0.73 (8)
Lys	AAG	0.29	0.36	0.38 (9)	0.29 (2)	0.62 (13)
	AAA	0.71	0.64	0.62 (15)	0.71 (5)	0.38 (8)

^aData for Spn were compiled from reference 35 (http://www.tigr.org/tigr-scripts/CMR2/codon_tables.spl). Numbers in parentheses are the numbers of amino acid residues present in the corresponding protein.