Services
Research
Training
Industry
About us
Protein Data Bank
in Europe
Bringing Structure to Biology
Chemical Components in the PDB
pdbe.org/chem
Feedback
Share
Summary
Atoms
Bonds
In PDB Entries
Names
Descriptors
Complete Listing
Modify Search
Download Links
Molfile:
Ideal
Representative
PDB:
Ideal
Representative
Other:
mmCif
CML
Related compounds
AR6
(Stereoisomer)
3D-Views
Ideal
Representative
PDB Links
PDB entries
PDBeChem : Chemical Bonds
Molecule :
APR
Bonds between two atoms of the molecule
Total Number of Bonds: 62
50
10 per page
20 per page
Show all
Record
First Atom
Second Atom
First Element
Second Element
Bond Order Type
Bond Length
Bond Stereochemistry
Is Aromatic
1
N1
C2
N
C
sing
1.32
N
Y
2
N1
C6
N
C
doub
1.33
N
Y
3
C2
N3
C
N
doub
1.32
N
Y
4
C2
H2
C
H
sing
1.08
N
N
5
N3
C4
N
C
sing
1.33
N
Y
6
C4
C5
C
C
doub
1.41
N
Y
7
C4
N9
C
N
sing
1.37
N
Y
8
C5
C6
C
C
sing
1.41
N
Y
9
C5
N7
C
N
sing
1.35
N
Y
10
C6
N6
C
N
sing
1.38
N
N
11
N6
H61
N
H
sing
0.97
N
N
12
N6
H62
N
H
sing
0.97
N
N
13
N7
C8
N
C
doub
1.3
N
Y
14
C8
N9
C
N
sing
1.36
N
Y
15
C8
H8
C
H
sing
1.08
N
N
16
N9
C1'
N
C
sing
1.46
N
N
17
C1'
C2'
C
C
sing
1.54
N
N
18
C1'
O4'
C
O
sing
1.44
N
N
19
C1'
H'1
C
H
sing
1.09
N
N
20
C2'
O2'
C
O
sing
1.43
N
N
21
C2'
C3'
C
C
sing
1.55
N
N
22
C2'
H'2
C
H
sing
1.09
N
N
23
O2'
HO'2
O
H
sing
0.97
N
N
24
C3'
O3'
C
O
sing
1.43
N
N
25
C3'
C4'
C
C
sing
1.54
N
N
26
C3'
H'3
C
H
sing
1.09
N
N
27
O3'
HO'3
O
H
sing
0.97
N
N
28
O4'
C4'
O
C
sing
1.44
N
N
29
C4'
C5'
C
C
sing
1.53
N
N
30
C4'
H'4
C
H
sing
1.09
N
N
31
C5'
O5'
C
O
sing
1.43
N
N
32
C5'
H5'1
C
H
sing
1.09
N
N
33
C5'
H5'2
C
H
sing
1.09
N
N
34
O5'
PA
O
P
sing
1.61
N
N
35
PA
O1A
P
O
doub
1.48
N
N
36
PA
O2A
P
O
sing
1.61
N
N
37
PA
O3A
P
O
sing
1.61
N
N
38
O2A
HOA2
O
H
sing
0.97
N
N
39
O3A
PB
O
P
sing
1.61
N
N
40
PB
O1B
P
O
doub
1.48
N
N
41
PB
O2B
P
O
sing
1.61
N
N
42
PB
O5D
P
O
sing
1.61
N
N
43
O2B
HOB2
O
H
sing
0.97
N
N
44
O5D
C5D
O
C
sing
1.43
N
N
45
C5D
C4D
C
C
sing
1.53
N
N
46
C5D
H5R1
C
H
sing
1.09
N
N
47
C5D
H5R2
C
H
sing
1.09
N
N
48
O4D
C1D
O
C
sing
1.44
N
N
49
O4D
C4D
O
C
sing
1.44
N
N
50
O1D
C1D
O
C
sing
1.43
N
N
51
O1D
HOR1
O
H
sing
0.97
N
N
52
C1D
C2D
C
C
sing
1.55
N
N
53
C1D
HR'1
C
H
sing
1.09
N
N
54
O2D
C2D
O
C
sing
1.43
N
N
55
O2D
HOR2
O
H
sing
0.97
N
N
56
C2D
C3D
C
C
sing
1.55
N
N
57
C2D
HR'2
C
H
sing
1.09
N
N
58
O3D
C3D
O
C
sing
1.43
N
N
59
O3D
HOR3
O
H
sing
0.97
N
N
60
C3D
C4D
C
C
sing
1.54
N
N
61
C3D
HR'3
C
H
sing
1.09
N
N
62
C4D
HR'4
C
H
sing
1.09
N
N