. 2018 Dec 19;8:17964. doi: 10.1038/s41598-018-36428-7

Table 1.

Organisation of the mitochondrial genome of Melarhaphe neritoides and comparison with Littorina fabalis, Littorina obtusata and Littorina saxatilis²⁵.

Gene	Strand	Location	Start codon	Stop codon	Length (bp)	Intergenic nucleotides*	Amino acid changes**
cox1	+	1–1536	ATG	TAA	1536	11 30	10/511 (2%)
cox2	+	1548–2234	ATG	TAA	687	5 2	11/228 (5%)
trnD(gtc)	+	2240–2307			68 69	1
atp8	+	2309–2467	ATG	TAA TAG	159	2 13	12/52 (23%)
atp6	+	2470–3165	ATT ATG	TAA TAG	696	38 31	35/231 (15%)
trnM(cat)	—	3204–3271			68	1
trnY(gta)	—	3273–3340			68	1 11
trnC(gca)	—	3342–3407			66 65	1
trnW(tca)	—	3409–3474			66	2 1
trnQ(ttg)	—	3477–3533			57 58	7 11
trnG(tcc)	—	3541–3607			67	0 −1
trnE(ttc)	—	3608–3672			65 71	78 72
rrnS	+	3751–4632			882 894^a,b 895^c	−3
trnV(tac)	+	4630–4696			67 68	−23 −22
rrnL	+	4674–6087			1414 1415	−36 −10
trnL2(taa)	+	6052–6121			70 67	2 8
trnL1(tag)	+	6124–6191			68 67	0
nad1	+	6192–7133	ATG	TAG TAA	942 939	0 7	42/313 (13%)
trnP(tgg)	+	7134–7200			67 68	1 2
nad6	+	7202–7705	ATG	TAA TAG	504 513	8 9	61/167 (37%)
cob	+	7714–8853	ATG	TAG TAA	1140	9 18^a,b 17^c	38/379 (10%)
trnS2(tga)	+	8863–8929			67 68	0 5
trnT(tgt)	—	8930–8999			70 71^a	8
nad4l	+	9008–9304	ATG	TAA TAG	297	−7	14/98 (14%)
nad4	+	9298–10668	ATG	TAA TAG^c	1371	0 8^a 9^b,c	108/456 (24%)
trnH(gtg)	+	10669–10732			64 66	0 1
nad5	+	10733–12454	ATG	TAA	1722 1719	−1 21^a,b 23^c	129/573 (23%)
trnF(gaa)	+	12454–12520			67 69	0
CR (partial)		12521–12994			474	0
cox3	+	12995–13774	ATG	TAA	780	32 33	19/259 (7%)
trnK(ttt)	+	13807–13878			72 73	11 6^a 5^b
trnA(tgc)	+	13890–13957			68 67	1
trnR(tcg)	+	13959–14027			69	10 5
trnN(gtt)	+	14038–14104			67	15 13^a,c 14^b
trnI(gat)	+	14120–14186			67 69	3 4
nad3	+	14190–14543	ATG	TAA	354	0 −1	22/117 (19%)
trnS1(gct)	+	14544–14611			68 67	0
nad2	+	14612–15673	ATG	TAG TAA	1062 1059	3 5	112/353 (32%)

Differences between M. neritoides and ^aLittorina fabalis, ^bLittorina obtusata and ^cLittorina saxatilis are in bold. *Numbers of intergenic nucleotides separating a gene from the next one; negative values represent overlapping nucleotides in adjacent genes. **Number (and corresponding percentage) of residues in the amino acid sequence of Melarhaphe neritoides that differ with any of the three other species.