The genesis of an exceptionally lethal venom in the timber rattlesnake (Crotalus horridus) revealed through comparative venom-gland transcriptomics

Table 1 Expression levels of full-length toxin clusters for Crotalus horridus

Rank	Cluster name	Cluster size	Length	% total reads	% toxin reads
1	SVSP-1a	2	3,346	6.762	16.534
2	SVSP-3a	2	1,915	6.272	15.337
3	BPP-1a	2	1,484	5.120	12.519
4	SVSP-10	1	2,512	4.131	10.101
5	PLA2-2	1	880	3.346	8.183
6	SVSP-2a	2	2,089	3.305	8.082
7	PLA2-1a	2	933	2.884	7.051
8	PLA2-3	1	832	1.349	3.298
9	SVSP-7	1	2,209	0.900	2.200
10	SVSP-4a	2	2,354	0.827	2.021
11	VEGF-1	1	1,352	0.797	1.948
12	PLA2-4	1	1,303	0.687	1.681
13	PLA2-6	1	880	0.542	1.325
14	PLA2-9	1	812	0.502	1.228
15	SVSP-5	1	2,968	0.466	1.140
16	LAAO	1	2,890	0.452	1.106
17	SVSP-8	1	1,718	0.438	1.071
18	SVSP-11	1	2,704	0.384	0.940
19	CRISP	1	6,054	0.317	0.775
20	VESP	1	1,587	0.262	0.640
21	SVSP-9	1	1,341	0.189	0.461
22	SVSP-6	1	1,794	0.140	0.342
23	NGF	1	1,074	0.114	0.280
24	NUC	1	2,538	0.114	0.278
25	PDE	1	2,790	0.106	0.260
26	NF	1	1,230	0.088	0.215
27	MYO	1	415	0.080	0.195
28	VEGF-2	1	5,612	0.044	0.107
29	SVMPIII-1	1	3,395	0.040	0.099
30	KUN-1	1	2,246	0.040	0.099
31	HYAL	1	3,477	0.038	0.093
32	CTL-10	1	633	0.029	0.070
33	CREGF	1	1,625	0.028	0.069
34	GC	1	6,138	0.021	0.051
35	CTL-11	1	575	0.019	0.046
36	CTL-2a	2	669	0.011	0.027
37	KUN-2	1	4,317	0.008	0.020
38	CTL-1a	2	815	0.006	0.015
39	CTL-3	1	735	0.006	0.015
40	CTL-8	1	808	0.006	0.015
41	CTL-7	1	644	0.005	0.012
42	SVMPI	1	1,677	0.004	0.009
43	PDE-6	1	4,011	0.004	0.009
44	PDE-4	1	3,553	0.003	0.006
45	VF	1	5,139	0.002	0.005
46	CTL-4	1	697	0.002	0.004
47	CTL-5	1	743	0.002	0.004
48	PLA2-5	1	612	0.001	0.003
49	CTL-9	1	803	0.001	0.003
50	SVMPIII-2	1	2,499	0.001	0.003
51	CTL-6	1	637	0.001	0.002
52	PLA2-8	1	547	0.001	0.002
53	PLA2-7	1	546	0.001	0.001

ISSN: 1471-2164