C31
O
O8
O
O9
CA
C
C13
C14
C15
C16
C17
N
H
N4
C18(S)
C19
O
O4
C20
N
H
N2
C10(S)
C11
O
O2
C12
CG2
CG1
C2(R)
O
H
O1
C1(S)
N
H
N1
C3
C4
C5
C9
C6
C8
C7
N
H
N51
C51(S)
C52(R)
O
H
O51
C53
C54
C55
C59
C56
C58
C57
N
H
N52
C60(S)
C61
O
O52
C62
CG6
CG5
N
H
N54
C68(S)
C69
O
O54
C70
C81
O
O58
O
O59
CA5
C50
C63
C64
C65
C66
C67