Table 4 Predicted amino acid residue at the indicated location in the SU region of Env. Bold indicates unique amino acids in clones 129 and 169.

SIVmac239

V

N

I

S

T

S

M

A

K

D

M

G

D

G

D

SIVmac316

M

N

I

S

T

S

M

A

E

D

M

R

D

G

D

SIV17E-Cl

M

N

I

S

T

S

M

A

N

D

I

R

N

G

D

SIV17E/Fr

M

N

I

S

T

S

M

A

N

D

I

R

D

G

D

SIVmac32H

L

E

L

P

A

-

M

T

K

D

M

R

D

G

D

SIVmac1A11

L

E

S

A

P

-

M

V

K

D

I

G

D

G

N

Clone 129

L

D

S

S

T

P

V

V

K

G

I

R

D

R

N

Clone 169

L

D

S

S

T

P

V

V

K

G

I

R

D

R

N