Non-uniqueness of factors constraint on the codon usage in Bombyx mori

BMC Genomics

Table 2 Codon usage of Bombyx mori genes (363,313 codons)

Amino acid	Codon	Total Count	RSCU	Amino acid	Codon	Total Count	RSCU
Ala	GCU	8788	1.37	Asn	AAU	8005	0.95
	GCC	6997	1.00	Asn	AAC	8786	1.05
	GCA	5776	0.94	Gln	CAA	7174	1.04
	GCG	4791	0.68	Gln	CAG	6581	0.95
Phe	UUU	5896	0.84	Ser	AGU	3674	0.93
Phe	UUC	8657	1.15		AGC	3882	0.94
Gly	GGU	6948	1.22		UCU	4628	1.22
	GGC	6590	1.09		UCC	3733	0.95
	GGA	7305	1.25		UCA	4413	1.14
	GGG	2670	0.45		UCG	3420	0.83
Ile	AUU	7139	1.02	Thr	ACU	5683	1.16
	AUC	7587	1.13		ACC	4634	0.90
	AUA	6226	0.85		ACA	5912	1.23
Leu	UUA	5362	1.05		ACG	3783	0.71
	UUG	6228	1.17	Asp	GAU	10241	1.01
	CUU	4403	0.88	Asp	GAC	10105	0.98
	CUC	5192	0.99	Glu	GAA	13868	1.18
	CUA	3554	0.68	Glu	GAG	9643	0.82
	CUG	6744	1.22	His	CAU	3805	0.91
Pro	CCU	5087	1.19	His	CAC	4585	1.03
	CCC	3689	0.83	Lys	AAA	13627	1.09
	CCA	4945	1.12	Lys	AAG	10889	0.91
	CCG	4154	0.84	Arg	CGU	3526	1.12
Val	GUU	6629	1.11		CGC	3318	0.95
	GUC	5830	0.93		CGA	2321	0.72
	GUA	5005	0.82		CGG	1700	0.47
	GUG	7235	1.14		AGA	5259	1.74
Cys	UGU	3008	0.89		AGG	3111	0.99
Cys	UGC	3510	0.96
Tyr	UAU	5246	0.85
Tyr	UAC	7426	1.14

Note: 1. Count indicates the number of codons.
2. The preferentially used codons are displayed in bold.
3. Hydrophobic and hydrophilic amino acids are listed on the left and right sides of the table, respectively.

ISSN: 1471-2164