Table 3.

Codon usage in some Fungi lineages: intronic ORFs excluded (E) or included (I)

	Leu codons		Arg codons		Ile and Met Codons				Frequency at FFD sites
	CUN	UUR	CGN	AGR	AUU	AUC	AUA	AUG	%U	%C	%A	%G
S. japonicus (E)	79	198	7	32	133	40	32	48	76.0	3.4	19.2	1.3
S. octosporus (E)	68	236	2	34	161	34	0d	57	61.1	1.9	34.8	2.2
S. pombe (E)	53	192	7	33	113	39	49	51	56.4	1.3	40.5	1.8
Y. lipolytica (E)	44	618	0c	75	174	87	277	119	48.3	1.1	49.0	1.5
C. stellata (E)	3	279	12	29	123	8	156	54	57.3	0.2	41.6	0.9
C. albicans	132	397	47	26	119	81	229	100	55.4	4.8	37.7	2.1
C. parapsilosis (E)	66	547	39	45	303	32	193	117	68.6	0.7	29.8	0.9
C. parapsilosis (I)	137	728	60	102	410	49	299	143	65.3	3.0	29.0	2.7
P. canadensis (E)	25	714	18	67	274	18	562	105	49.2	0.7	49.4	0.7
P. canadensis (I)	27	746	20	74	298	20	586	109	50.0	0.9	48.4	0.6
A. gossypii	80a	291	0c	40	215	7	95d,e	34	57.2	0.0	42.8	0.0
K. lactis (E)	0b	286	0c	48	213	16	7d	63	44.0	1.6	53.3	1.1
K. lactis (I)	0b	312	0c	55	256	16	27d	65	43.4	2.6	52.1	1.9
K. thermotolerans (E)	16a	304	2	44	204	17	2d	56	47.7	0.9	51.0	0.4
K. thermotolerans (I)	42a	440	10	72	298	23	30d	78	48.3	2.1	47.6	2.0
C. glabrata (E)	11a	294	1c	45	207	21	16d,e	73	46.7	0.6	52.0	0.7
C. glabrata (I)	28a	415	1c	60	318	25	85d,e	78	48.6	0.9	49.8	0.7
S. cerevisiae(E)	33a	333	7	49	239	31	60d,e	73	48.6	2.3	47.1	2.0
S. castellii (E)	19a	274	0c	40	203	7	101d,e	56	47.5	1.6	49.9	1.0
S. servazzii (E)	22a	300	0c	46	218	11	95d,e	70	37.2	0.9	59.5	2.4

^aCUN is reassigned to Thr and an unusual tRNA-Thr gene is present in these species.

^bThere is no tRNA for the CUN block in this species.

^cThe tRNA-Arg is deleted in these species.

^dThe tRNA-Ile(CAU) is deleted in these species.

^eAUA is reassigned to Met in these species.