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 :
ECT
Bonds between two atoms of the molecule
Total Number of Bonds: 105
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
C1
C2
C
C
sing
1.55
N
N
2
C1
O27
C
O
sing
1.44
N
N
3
C1
H11A
C
H
sing
1.1
N
N
4
C1
H12A
C
H
sing
1.09
N
N
5
C2
C3
C
C
sing
1.52
N
N
6
C2
N22
C
N
sing
1.49
N
N
7
C2
H2
C
H
sing
1.1
N
N
8
C3
C4
C
C
doub
1.39
N
Y
9
C3
C19
C
C
sing
1.41
N
Y
10
C4
O5
C
O
sing
1.36
N
N
11
C4
C8
C
C
sing
1.38
N
Y
12
O5
C6
O
C
sing
1.44
N
N
13
C6
O7
C
O
sing
1.44
N
N
14
C6
H61
C
H
sing
1.1
N
N
15
C6
H62
C
H
sing
1.1
N
N
16
O7
C8
O
C
sing
1.36
N
N
17
C8
C9
C
C
doub
1.38
N
Y
18
C9
C10
C
C
sing
1.49
N
N
19
C9
C14
C
C
sing
1.39
N
Y
20
C10
H11
C
H
sing
1.1
N
N
21
C10
H12
C
H
sing
1.1
N
N
22
C10
H13
C
H
sing
1.1
N
N
23
C14
O15
C
O
sing
1.37
N
N
24
C14
C19
C
C
doub
1.41
N
Y
25
O15
C16
O
C
sing
1.4
N
N
26
C16
O17
C
O
doub
1.22
N
N
27
C16
C18
C
C
sing
1.5
N
N
28
C18
H181
C
H
sing
1.09
N
N
29
C18
H182
C
H
sing
1.09
N
N
30
C18
H183
C
H
sing
1.09
N
N
31
C19
C20
C
C
sing
1.51
N
N
32
C20
C21
C
C
sing
1.57
N
N
33
C20
S
C
S
sing
1.86
N
N
34
C20
H20
C
H
sing
1.1
N
N
35
C21
N22
C
N
sing
1.48
N
N
36
C21
C44
C
C
sing
1.58
N
N
37
C21
H21
C
H
sing
1.11
N
N
38
N22
C40
N
C
sing
1.48
N
N
39
S
C23
S
C
sing
1.84
N
N
40
C23
C24
C
C
sing
1.57
N
N
41
C23
H231
C
H
sing
1.09
N
N
42
C23
H232
C
H
sing
1.1
N
N
43
C24
C25
C
C
sing
1.54
N
N
44
C24
C28
C
C
sing
1.54
N
N
45
C24
N39
C
N
sing
1.48
N
N
46
C25
O26
C
O
doub
1.23
N
N
47
C25
O27
C
O
sing
1.37
N
N
48
C28
C29
C
C
doub
1.41
N
Y
49
C28
C36
C
C
sing
1.41
N
Y
50
C29
C30
C
C
sing
1.4
N
Y
51
C29
H29
C
H
sing
1.09
N
N
52
C30
O31
C
O
sing
1.36
N
N
53
C30
C33
C
C
doub
1.39
N
Y
54
O31
C32
O
C
sing
1.43
N
N
55
C32
H321
C
H
sing
1.09
N
N
56
C32
H322
C
H
sing
1.09
N
N
57
C32
H323
C
H
sing
1.09
N
N
58
C33
O34
C
O
sing
1.36
N
N
59
C33
C35
C
C
sing
1.39
N
Y
60
O34
H34
O
H
sing
0.97
N
N
61
C35
C36
C
C
doub
1.4
N
Y
62
C35
H35
C
H
sing
1.09
N
N
63
C36
C37
C
C
sing
1.51
N
N
64
C37
C38
C
C
sing
1.52
N
N
65
C37
H371
C
H
sing
1.1
N
N
66
C37
H372
C
H
sing
1.1
N
N
67
C38
N39
C
N
sing
1.46
N
N
68
C38
H381
C
H
sing
1.1
N
N
69
C38
H382
C
H
sing
1.1
N
N
70
N39
H39
N
H
sing
1.02
N
N
71
C40
O40
C
O
sing
1.44
N
N
72
C40
C41
C
C
sing
1.55
N
N
73
C40
H40
C
H
sing
1.1
N
N
74
O40
H42
O
H
sing
0.97
N
N
75
C41
N42
C
N
sing
1.47
N
N
76
C41
C54
C
C
sing
1.55
N
N
77
C41
H41
C
H
sing
1.1
N
N
78
N42
C43
N
C
sing
1.46
N
N
79
N42
C44
N
C
sing
1.48
N
N
80
C43
H431
C
H
sing
1.09
N
N
81
C43
H432
C
H
sing
1.09
N
N
82
C43
H433
C
H
sing
1.09
N
N
83
C44
C45
C
C
sing
1.51
N
N
84
C44
H44
C
H
sing
1.1
N
N
85
C45
C46
C
C
doub
1.4
N
Y
86
C45
C53
C
C
sing
1.4
N
Y
87
C46
O47
C
O
sing
1.37
N
N
88
C46
C47
C
C
sing
1.39
N
Y
89
O47
H47
O
H
sing
0.97
N
N
90
C47
O48
C
O
sing
1.36
N
N
91
C47
C50
C
C
doub
1.39
N
Y
92
O48
C49
O
C
sing
1.42
N
N
93
C49
H491
C
H
sing
1.09
N
N
94
C49
H492
C
H
sing
1.09
N
N
95
C49
H493
C
H
sing
1.09
N
N
96
C50
C51
C
C
sing
1.49
N
N
97
C50
C52
C
C
sing
1.39
N
Y
98
C51
H511
C
H
sing
1.1
N
N
99
C51
H512
C
H
sing
1.1
N
N
100
C51
H513
C
H
sing
1.1
N
N
101
C52
C53
C
C
doub
1.4
N
Y
102
C52
H52
C
H
sing
1.09
N
N
103
C53
C54
C
C
sing
1.51
N
N
104
C54
H541
C
H
sing
1.1
N
N
105
C54
H542
C
H
sing
1.1
N
N