Table 3 Comparative analysis of G protein amino acid positions under positive selection pressure in primary strains compared with prototype strains

215L

RSS

LONG

L-19

RSV-1, RSV-2

215P

A2

RSV-3 to RSV-14

222P

RSS

LONG

L-19

RSV-1, RSV-2, RSV-11

222S

A2

RSV-3 to RSV-10, RSV-12 to RSV-14

225V

A2

RSS

LONG

L-19

RSV-1, RSV-3 to RSV-10

225A

RSV-2, RSV-11

226P

A2

RSS

LONG

L-19

RSV-1 to RSV-10,RSV-12 to RSV-14

226F

RSV-11

227T

A2

RSS

LONG

L-19

RSV-1, RSV-3 to RSV-14

227S

RSV-2

256P

A2

RSS

LONG

L-19

RSV-1, RSV-3, RSV-4, RSV-6 to RSV-10, RSV-12, RSV-14

256L

RSV-2, RSV-5, RSV-11

256Q

RSV-13

265F

A2

LONG

L-19

RSV-1, RSV-4, RSV-6 to RSV-8, RSV-10, RSV-12

265L

RSS

RSV-2, RSV-3, RSV-5, RSV-9, RSV-11, RSV-13, RSV-14

269S

A2

RSS

LONG

L-19

RSV-1, RSV-2, RSV-4 to RSV-12

269T

RSV-3, RSV-13, RSV-14

274T

RSV-1, RSV-2, RSV-4 to RSV-6, RSV-8 to RSV-10

274P

A2

RSS

RSV-3, RSV-11 to RSV-14

274L

LONG

L-19

274S

RSV-7

279I

RSV-1 to RSV-10

279V

A2

RSS

LONG

L-19

RSV-11 to RSV-14

286L

RSS

RSV-1 to RSV-10

286P

A2

LONG

L-19

RSV-11

289P

A2

RSS

LONG

L-19

RSV-1, RSV-2

289S

RSV-3, RSV-12 to RSV-14

290P

RSS

RSV-1, RSV-2, RSV-4 to RSV-11

290L

RSV-3, RSV-12 to RSV-14

290S

A2

LONG

L-19

293S

RSS

RSV-1 to RSV-14(All clinical strains)

293P

A2

LONG

L-19