CA1(S)
CA2(R)
CA3
CA4(S)
CA5(R)
CA6(R)
CA7(S)
CA8(R)
CA9
O
OA4
O
OA5
N
H
2
NA2
N
H
NA7
O
H
OA6
O
OA8
O
OA1
CB1(R)
CB2(R)
CB3(S)
CB4(S)
CB5(S)
CB6
O
OB1
N
H
2
NB4
O
H
OB2
O
H
OB3
O
H
OB6
CC1(R)
CC2(R)
CC3(S)
CC4(R)
CC5
CC6(S)
N
H
2
NC4
N
H
2
NC6
O
H
OC2
O
H
OC3
H
HA4
H
HA5