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
Could not find any related compound in the PDB.
3D-Views
Ideal
Representative
PDB Links
PDB entries
PDBeChem : Chemical Bonds
Molecule :
EWN
Bonds between two atoms of the molecule
Total Number of Bonds: 52
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
C3
C2
C
C
sing
1.53
N
N
2
C2
C4
C
C
sing
1.53
N
N
3
C2
C1
C
C
sing
1.53
N
N
4
C4
C5
C
C
sing
1.53
N
N
5
C5
C6
C
C
sing
1.54
N
N
6
C5
N14
C
N
sing
1.47
N
N
7
O7
C6
O
C
sing
1.43
N
N
8
O7
C8
O
C
sing
1.36
N
N
9
C8
C9
C
C
doub
1.39
N
Y
10
C8
C13
C
C
sing
1.39
N
Y
11
C9
C10
C
C
sing
1.38
N
Y
12
N14
C13
N
C
sing
1.41
N
N
13
N14
C15
N
C
sing
1.35
N
N
14
C13
C12
C
C
doub
1.39
N
Y
15
C10
F28
C
F
sing
1.35
N
N
16
C10
C11
C
C
doub
1.38
N
Y
17
O16
C15
O
C
doub
1.22
N
N
18
C12
C11
C
C
sing
1.38
N
Y
19
C15
C17
C
C
sing
1.48
N
N
20
C17
C22
C
C
doub
1.4
N
Y
21
C17
C18
C
C
sing
1.4
N
Y
22
C22
C21
C
C
sing
1.38
N
Y
23
C18
C19
C
C
doub
1.38
N
Y
24
C21
N23
C
N
sing
1.4
N
N
25
C21
C20
C
C
doub
1.4
N
Y
26
C19
C20
C
C
sing
1.39
N
Y
27
N23
C24
N
C
sing
1.35
N
N
28
C20
O27
C
O
sing
1.36
N
N
29
C24
O25
C
O
doub
1.21
N
N
30
C24
C26
C
C
sing
1.51
N
N
31
O27
C26
O
C
sing
1.43
N
N
32
C1
H1
C
H
sing
1.09
N
N
33
C1
H2
C
H
sing
1.09
N
N
34
C1
H3
C
H
sing
1.09
N
N
35
C2
H4
C
H
sing
1.09
N
N
36
C3
H5
C
H
sing
1.09
N
N
37
C3
H6
C
H
sing
1.09
N
N
38
C3
H7
C
H
sing
1.09
N
N
39
C9
H8
C
H
sing
1.08
N
N
40
C11
H9
C
H
sing
1.08
N
N
41
C12
H10
C
H
sing
1.08
N
N
42
C19
H11
C
H
sing
1.08
N
N
43
C22
H12
C
H
sing
1.08
N
N
44
N23
H13
N
H
sing
0.97
N
N
45
C4
H14
C
H
sing
1.09
N
N
46
C4
H15
C
H
sing
1.09
N
N
47
C5
H16
C
H
sing
1.09
N
N
48
C6
H17
C
H
sing
1.09
N
N
49
C6
H18
C
H
sing
1.09
N
N
50
C18
H19
C
H
sing
1.08
N
N
51
C26
H20
C
H
sing
1.09
N
N
52
C26
H21
C
H
sing
1.09
N
N