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 :
4X4
Bonds between two atoms of the molecule
Total Number of Bonds: 50
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
C6
N
C
sing
1.36
N
N
2
N1
C2
N
C
sing
1.39
N
N
3
C24
O1
C
O
sing
1.34
N
Y
4
O1
C21
O
C
sing
1.35
N
Y
5
C7
C2
C
C
doub
1.38
N
N
6
C2
C3
C
C
sing
1.41
N
N
7
C8
N2
C
N
sing
1.37
N
Y
8
C3
N2
C
N
sing
1.39
N
N
9
N2
C10
N
C
sing
1.38
N
Y
10
C20
O2
C
O
doub
1.22
N
N
11
C3
C4
C
C
doub
1.38
N
N
12
N3
C12
N
C
sing
1.33
N
Y
13
N3
C14
N
C
doub
1.31
N
Y
14
O3
C6
O
C
sing
1.35
N
N
15
O3
C28
O
C
sing
1.43
N
N
16
C5
C4
C
C
sing
1.39
N
N
17
C4
H4
C
H
sing
1.08
N
N
18
C20
N4
C
N
sing
1.35
N
N
19
N4
C18
N
C
sing
1.47
N
N
20
N4
HN4
N
H
sing
0.97
N
N
21
C6
C5
C
C
doub
1.37
N
N
22
C5
H5
C
H
sing
1.08
N
N
23
C17
C7
C
C
sing
1.51
N
N
24
C7
C8
C
C
sing
1.41
N
N
25
C8
C12
C
C
doub
1.41
N
Y
26
C11
C10
C
C
doub
1.38
N
Y
27
C10
H10
C
H
sing
1.08
N
N
28
C12
C11
C
C
sing
1.47
N
Y
29
C11
C16
C
C
sing
1.41
N
Y
30
C14
C15
C
C
sing
1.39
N
Y
31
C14
H14
C
H
sing
1.08
N
N
32
C15
C16
C
C
doub
1.36
N
Y
33
C15
H15
C
H
sing
1.08
N
N
34
C16
H16
C
H
sing
1.08
N
N
35
C17
C18
C
C
sing
1.53
N
N
36
C17
H17
C
H
sing
1.09
N
N
37
C17
H17A
C
H
sing
1.09
N
N
38
C18
H18
C
H
sing
1.09
N
N
39
C18
H18A
C
H
sing
1.09
N
N
40
C21
C20
C
C
sing
1.47
N
N
41
C21
C22
C
C
doub
1.37
N
Y
42
C23
C22
C
C
sing
1.4
N
Y
43
C22
H22
C
H
sing
1.08
N
N
44
C24
C23
C
C
doub
1.35
N
Y
45
C23
H23
C
H
sing
1.08
N
N
46
C24
H24
C
H
sing
1.08
N
N
47
C28
H28
C
H
sing
1.09
N
N
48
C28
H28A
C
H
sing
1.09
N
N
49
C28
H28B
C
H
sing
1.09
N
N
50
N1
HN1
N
H
sing
0.97
N
N