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 :
QCO
Bonds between two atoms of the molecule
Total Number of Bonds: 68
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
C27
N4
C
N
doub
1.3
N
Y
2
C27
N3
C
N
sing
1.36
N
Y
3
N4
C25
N
C
sing
1.36
N
Y
4
O2
C24
O
C
doub
1.22
N
N
5
N3
C26
N
C
sing
1.36
N
Y
6
C25
C24
C
C
sing
1.47
N
N
7
C25
C26
C
C
doub
1.36
N
Y
8
C24
N
C
N
sing
1.35
N
N
9
C22
C21
C
C
doub
1.38
N
Y
10
C22
N2
C
N
sing
1.32
N
Y
11
C21
C20
C
C
sing
1.39
N
Y
12
N2
C23
N
C
doub
1.32
N
Y
13
C20
C19
C
C
doub
1.39
N
Y
14
C23
C19
C
C
sing
1.38
N
Y
15
C19
C9
C
C
sing
1.51
N
N
16
N
C9
N
C
sing
1.47
N
N
17
N
C6
N
C
sing
1.4
N
N
18
C9
C10
C
C
sing
1.51
N
N
19
C6
C5
C
C
doub
1.39
N
Y
20
C6
C7
C
C
sing
1.39
N
Y
21
C5
C4
C
C
sing
1.38
N
Y
22
C7
C8
C
C
doub
1.38
N
Y
23
C10
N1
C
N
sing
1.35
N
N
24
C10
O1
C
O
doub
1.21
N
N
25
C4
C3
C
C
doub
1.39
N
Y
26
N1
C11
N
C
sing
1.47
N
N
27
C8
C3
C
C
sing
1.39
N
Y
28
C3
O
C
O
sing
1.36
N
N
29
C11
C12
C
C
sing
1.53
N
N
30
O
C1
O
C
sing
1.43
N
N
31
C12
C13
C
C
sing
1.51
N
N
32
C1
C2
C
C
sing
1.53
N
N
33
C1
C
C
C
sing
1.53
N
N
34
C13
C14
C
C
doub
1.38
N
Y
35
C13
C18
C
C
sing
1.38
N
Y
36
C14
C15
C
C
sing
1.38
N
Y
37
C18
C17
C
C
doub
1.39
N
Y
38
C15
C16
C
C
doub
1.38
N
Y
39
C17
C16
C
C
sing
1.38
N
Y
40
C17
F
C
F
sing
1.35
N
N
41
N1
H1
N
H
sing
0.97
N
N
42
N3
H2
N
H
sing
0.97
N
N
43
C4
H3
C
H
sing
1.08
N
N
44
C5
H4
C
H
sing
1.08
N
N
45
C7
H5
C
H
sing
1.08
N
N
46
C8
H6
C
H
sing
1.08
N
N
47
C15
H7
C
H
sing
1.08
N
N
48
C20
H8
C
H
sing
1.08
N
N
49
C21
H9
C
H
sing
1.08
N
N
50
C22
H10
C
H
sing
1.08
N
N
51
C26
H11
C
H
sing
1.08
N
N
52
C27
H13
C
H
sing
1.08
N
N
53
C1
H14
C
H
sing
1.09
N
N
54
C2
H15
C
H
sing
1.09
N
N
55
C2
H16
C
H
sing
1.09
N
N
56
C2
H17
C
H
sing
1.09
N
N
57
C
H18
C
H
sing
1.09
N
N
58
C
H19
C
H
sing
1.09
N
N
59
C
H20
C
H
sing
1.09
N
N
60
C9
H21
C
H
sing
1.09
N
N
61
C23
H22
C
H
sing
1.08
N
N
62
C11
H23
C
H
sing
1.09
N
N
63
C11
H24
C
H
sing
1.09
N
N
64
C12
H25
C
H
sing
1.09
N
N
65
C12
H26
C
H
sing
1.09
N
N
66
C18
H27
C
H
sing
1.08
N
N
67
C16
H28
C
H
sing
1.08
N
N
68
C14
H29
C
H
sing
1.08
N
N