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
S5D
(Stereoisomer)
3D-Views
Ideal
Representative
PDB Links
PDB entries
PDBeChem : Chemical Bonds
Molecule :
2IK
Bonds between two atoms of the molecule
Total Number of Bonds: 56
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
N22
C22
N
C
sing
1.39
N
N
2
C22
C23
C
C
sing
1.39
N
Y
3
C22
N21
C
N
doub
1.32
N
Y
4
C23
C24
C
C
doub
1.38
N
Y
5
C24
C27
C
C
sing
1.51
N
N
6
C24
C25
C
C
sing
1.39
N
Y
7
C25
C26
C
C
doub
1.38
N
Y
8
N21
C26
N
C
sing
1.32
N
Y
9
C26
C28
C
C
sing
1.51
N
N
10
C28
C29
C
C
sing
1.53
N
N
11
C29
N29
C
N
sing
1.47
N
N
12
C29
C6
C
C
sing
1.51
N
N
13
C6
C1
C
C
sing
1.38
N
Y
14
C6
C5
C
C
doub
1.38
N
Y
15
C1
C2
C
C
doub
1.38
N
Y
16
C5
C4
C
C
sing
1.38
N
Y
17
C4
C3
C
C
doub
1.38
N
Y
18
C3
C2
C
C
sing
1.38
N
Y
19
C2
C19
C
C
sing
1.51
N
N
20
C19
C18
C
C
sing
1.53
N
N
21
C18
C16
C
C
sing
1.51
N
N
22
C16
C15
C
C
sing
1.38
N
Y
23
C16
N11
C
N
doub
1.32
N
Y
24
C15
C14
C
C
doub
1.39
N
Y
25
N11
C12
N
C
sing
1.32
N
Y
26
C12
N12
C
N
sing
1.39
N
N
27
C12
C13
C
C
doub
1.39
N
Y
28
C13
C14
C
C
sing
1.38
N
Y
29
C14
C17
C
C
sing
1.51
N
N
30
N22
H221
N
H
sing
0.97
N
N
31
N22
H222
N
H
sing
0.97
N
N
32
C23
H23
C
H
sing
1.08
N
N
33
C27
H271
C
H
sing
1.09
N
N
34
C27
H272
C
H
sing
1.09
N
N
35
C27
H273
C
H
sing
1.09
N
N
36
C25
H25
C
H
sing
1.08
N
N
37
C28
H281
C
H
sing
1.09
N
N
38
C28
H282
C
H
sing
1.09
N
N
39
C29
H29
C
H
sing
1.09
N
N
40
N29
H291
N
H
sing
1.01
N
N
41
N29
H292
N
H
sing
1.01
N
N
42
C1
H1
C
H
sing
1.08
N
N
43
C5
H5
C
H
sing
1.08
N
N
44
C4
H4
C
H
sing
1.08
N
N
45
C3
H3
C
H
sing
1.08
N
N
46
C19
H191
C
H
sing
1.09
N
N
47
C19
H192
C
H
sing
1.09
N
N
48
C18
H181
C
H
sing
1.09
N
N
49
C18
H182
C
H
sing
1.09
N
N
50
C15
H15
C
H
sing
1.08
N
N
51
N12
H121
N
H
sing
0.97
N
N
52
N12
H122
N
H
sing
0.97
N
N
53
C13
H13
C
H
sing
1.08
N
N
54
C17
H171
C
H
sing
1.09
N
N
55
C17
H172
C
H
sing
1.09
N
N
56
C17
H173
C
H
sing
1.09
N
N