Codon Usage Bias and Cluster Analysis of the MMP-2 and MMP-9 Genes in Seven Mammals

Table 5

RSCU for MMP-2 gene among seven species.

AA	Codon	Frequency	RSCU
Phe	UUU	66	0.675714
	UUC	142	1.324286
Leu	UUA	28	0.268571
	UUG	71	0.732857
	CUU	127	1.09
	CUC	101	1.011429
	CUA	53	0.468571
	CUG	239	2.428571
Ile	AUU	34	0.801429
	AUC	67	1.28
	AUA	34	0.918571
Met	AUG	110	1
Val	GUU	65	0.861429
	GUC	47	0.715714
	GUA	39	0.522857
	GUG	122	1.902857
Ser	UCU	89	1.078571
	UCC	104	1.27
	UCA	70	0.904286
	UCG	23	0.317143
Pro	CCU	157	0.974286
	CCC	256	1.641429
	CCA	124	0.75
	CCG	102	0.635714
Thr	ACU	74	0.795714
	ACC	134	1.365714
	ACA	108	1.142857
	ACG	64	0.697143
Ala	GCU	128	1.047143
	GCC	199	1.585714
	GCA	99	0.735714
	GCG	79	0.631429
Tyr	UAU	30	0.678571
	UAC	75	1.321429
His	CAU	92	0.74
	CAC	148	1.26
Gln	CAA	144	0.864286
	CAG	132	1.135714
Asn	AAU	40	0.787143
	AAC	75	1.212857
Lys	AAA	58	0.822857
	AAG	138	1.178571
Asp	GAU	94	0.835714
	GAC	131	1.164286
Glu	GAA	116	0.944286
	GAG	121	1.055714
Cys	UGU	73	0.69
	UGC	151	1.31
Trp	UGG	206	1
Arg	CGU	34	0.428571
	CGC	104	1.327143
	CGA	68	0.772857
	CGG	92	1.177143
Ser	AGU	66	0.897143
	AGC	112	1.534286
Arg	AGA	109	1.212857
	AGG	93	1.08
Gly	GGU	71	0.527143
	GGC	207	1.371429
	GGA	156	1.074286
	GGG	149	1.03
TER	UAA	21	0.374286
	UAG	21	0.425714
	UGA	132	2.201429

Note.RSCU > 1; RSCU > 2; AA. amino acid; TER. termination codon; the same below.