Compositional Constraint Is the Key Force in Shaping Codon Usage Bias in Hemagglutinin Gene in H1N1 Subtype of Influenza A Virus

Table 1

Nucleotide composition of the genes used in the study.

Sl No.	A%	T%	G%	C%	A3%	T3%	G3%	C3%	GC%	GC3%	AT%	AT3%	ENC
1	35.4	24.2	22	18.3	36.4	27	16.6	20	40.3	38.4	59.7	61.6	57
2	35.2	23.9	22.3	18.6	35.5	26	17.5	20.9	40.9	40.2	59.1	59.8	58
3	35.4	24.2	22.2	18.2	36.6	27	16.4	20	40.4	38.3	59.6	61.7	57
4	35.2	23.9	22.3	18.6	35.3	26	17.7	20.9	40.9	40.4	59.1	59.6	58
5	35	24	22.4	18.6	35.3	26	17.7	20.9	41	40.4	59	59.6	58
6	35.3	24	22.2	18.4	36.5	26.6	16.4	20.4	40.6	38.8	59.4	61.2	58
7	35.3	23.9	22.3	18.5	35.7	26	17.3	20.9	40.8	40	59.2	60	58
8	35.4	23.9	22.2	18.5	35.5	26.2	17.5	20.8	40.7	40	59.3	60	58
9	35.4	24.2	22	18.3	36.7	27	16.2	20.1	40.4	38.3	59.6	61.7	57
10	35.4	24.2	22.2	18.2	36.7	27	16.2	20.1	40.4	38.3	59.6	61.7	57
11	35.6	24.2	21.9	18.4	37.2	26.6	15.8	20.4	40.3	38.6	59.7	61.9	57
12	35.3	23.9	22	18.8	36.1	25.9	16.6	21.4	40.8	39.9	59.2	60.1	58
13	35.2	23.8	22.2	18.8	35.9	25.5	17.1	21.5	41	40.4	59	59.6	58
14	35.3	24	22.2	18.4	36.5	26.6	16.2	20.6	40.6	39	59.4	61.2	58
15	35.4	24	22.2	18.5	36.4	26.1	16.8	20.7	40.6	38.8	59.4	61	58
16	34.9	24.1	22.4	18.6	36	26.1	17.1	20.8	41	39.2	59	60	58
17	35.3	24	22.1	18.5	36.7	26.2	16.2	20.9	40.7	38.7	59.3	60.9	58
18	35.3	24.2	22.1	18.4	36.4	26.4	16.6	20.7	40.6	38.7	59.4	60.8	58
19	35.1	24.1	22.4	18.4	36.4	26.5	16.5	20.5	40.8	38.8	59.2	61	58
20	35	24.2	22.2	18.6	36.4	25.9	16.7	21	40.8	38.6	59.2	60.2	58
21	35.3	24.1	22.2	18.5	36.4	26.5	16.4	20.7	40.6	38.7	59.4	61	58
22	35.1	24.1	22.4	18.3	36.2	26.7	16.7	20.4	40.7	38.8	59.3	61	58
23	35.1	24.2	22	18.6	36.3	26.3	16.3	21.3	40.7	38.7	59.3	60.4	58
24	35.3	24.1	22.2	18.5	36.4	26.4	16.5	20.7	40.6	38.5	59.4	60.8	58
25	35.2	24	22.2	18.5	36.3	26.3	16.3	21.1	40.8	38.6	59.2	60.7	58
26	35.2	24	22.3	18.5	36	26.4	16.7	20.9	40.8	38.7	59.2	60.5	58
27	34.9	24	22.3	18.7	36.3	25.9	16.8	20.9	41	39	59	60.2	58
28	35.3	24	22.3	18.5	36.4	26.4	16.5	20.7	40.7	38.6	59.3	60.8	58
29	35	24.2	22.2	18.6	36.6	26.1	16.4	20.8	40.8	39	59.2	60.4	58
30	35.5	24	22.2	18.3	37	26.3	16.3	20.3	40.4	38.6	59.6	61.4	58
31	35.3	24	22.2	18.5	36.6	26.2	16.6	20.6	40.7	39.2	59.3	61.8	58
32	35.4	23.8	22.1	18.7	36.4	26	16.9	20.7	40.8	38.9	59.2	60.7	58