Analysis, comparison, visualization of contact residues & interfacial waters of antibody-antigen structures/models

Introduction

Methods

Examples

Structure Analysis

Structure Comparison

Browse PDB Structures

References

Contacts

Help

Structure 1bj1: VASCULAR ENDOTHELIAL GROWTH FACTOR IN COMPLEX WITH A NEUTRALIZING ANTIBODY
Heavy chain: blue color; Light chain: violet color; Antigen: salmon color; Interfacial waters: red balls; Contact residues: shown in sticks


Number of contact residues of heavy chain = 21
Contact residues of heavy chain have 10 Hbonds, 53 hydrophobic, 134 vdW, 2 ionic interactions with antigen, and 1 Hbonds with interfacial waters
No.
Contact Residues of Heavy Chain
Region Chothia
Secondary Structure
Solvent Accessibility
Number of Hbonds with Antigen
Number of Hydrophobic Interactions
Number of VdW Interactions
Number of Ionic Interactions
Number of Hbonds with Interfacial Waters
1
THR H 30
CDR-H1
Coil
Exposed
0
0
2
0
0
2
ASN H 31
CDR-H1
Coil
Exposed
0
5
9
0
0
3
TYR H 32
CDR-H1
Strand
Intermediate
0
8
6
0
0
4
GLY H 33
Framework
Strand
Intermediate
1
0
4
0
0
5
TRP H 47
Framework
Strand
Exposed
0
0
0
0
0
6
TRP H 50
Framework
Strand
Intermediate
1
2
11
0
0
7
ASN H 52
CDR-H2
Strand
Exposed
0
1
8
0
1
8
THR H 53
CDR-H2
Strand
Buried
1
0
2
0
0
9
TYR H 54
CDR-H2
Coil
Exposed
0
18
5
0
0
10
THR H 55
CDR-H2
Coil
Exposed
0
1
0
0
0
11
THR H 59
Framework
Strand
Exposed
0
1
1
0
0
12
TYR H 99
CDR-H3
Strand
Intermediate
1
1
5
0
0
13
PRO H 100
CDR-H3
Strand
Buried
1
0
3
0
0
14
HIS H 101
CDR-H3
Coil
Exposed
0
0
5
2
0
15
TYR H 102
CDR-H3
Coil
Exposed
3
6
35
0
0
16
TYR H 103
CDR-H3
Coil
Exposed
0
4
6
0
0
17
GLY H 104
CDR-H3
Coil
Exposed
1
0
3
0
0
18
SER H 105
CDR-H3
Coil
Exposed
0
0
1
0
0
19
SER H 106
CDR-H3
Coil
Exposed
1
0
9
0
0
20
HIS H 107
CDR-H3
Coil
Exposed
0
0
0
0
0
21
TRP H 108
CDR-H3
Coil
Exposed
0
6
19
0
0
Interactions of contact residues of heavy chain Structure of contact residues of heavy chain Detailed contact residues of heavy chain


Number of contact residues of light chain = 5
Contact residues of light chain have 0 Hbonds, 7 hydrophobic, 5 vdW, 0 ionic interactions with antigen, and 2 Hbonds with interfacial waters
No.
Contact Residues of Light Chain
Region Chothia
Secondary Structure
Solvent Accessibility
Number of Hbonds with Antigen
Number of Hydrophobic Interactions
Number of VdW Interactions
Number of Ionic Interactions
Number of Hbonds with Interfacial Waters
1
TYR L 91
CDR-L3
Strand
Intermediate
0
0
0
0
1
2
SER L 92
CDR-L3
Strand
Intermediate
0
0
0
0
0
3
THR L 93
CDR-L3
Coil
Exposed
0
0
0
0
0
4
VAL L 94
CDR-L3
Coil
Exposed
0
3
2
0
1
5
TRP L 96
CDR-L3
Coil
Exposed
0
4
3
0
0
Interactions of contact residues of light chain Structure of contact residues of light chain Detailed contact residues of light chain


Number of contact residues of antigen = 17
Contact residues of antigen have 10 Hbonds, 60 hydrophobic, 139 vdW, 2 ionic interactions with antibody, and 3 Hbonds with interfacial waters
No.
Contact Residues of Antigen
Interact with Antibody Chain
Secondary Structure
Solvent Accessibility
Number of Hbonds with Antibody
Number of Hydrophobic Interactions
Number of VdW Interactions
Number of Ionic Interactions
Number of Hbonds with Interfacial Waters
1
TYR W 45
Heavy
Coil
Intermediate
0
2
1
0
0
2
LYS W 48
Heavy
Coil
Exposed
0
5
3
0
0
3
GLN W 79
Heavy
Strand
Exposed
0
0
0
0
0
4
ILE W 80
Heavy
Strand
Buried
1
0
2
0
0
5
MET W 81
Heavy
Strand
Intermediate
0
12
4
0
0
6
ARG W 82
Heavy
Strand
Intermediate
0
4
16
0
0
7
ILE W 83
Heavy
Strand
Intermediate
0
2
2
0
0
8
LYS W 84
Heavy
Strand
Intermediate
0
2
1
0
0
9
HIS W 86
Heavy & Light
Coil
Exposed
1
2
4
0
1
10
GLN W 87
Heavy & Light
Coil
Exposed
1
7
10
0
2
11
GLY W 88
Heavy
Strand
Exposed
0
0
15
0
0
12
GLN W 89
Heavy
Strand
Exposed
2
4
19
0
0
13
HIS W 90
Heavy
Strand
Exposed
2
6
22
0
0
14
ILE W 91
Heavy
Strand
Exposed
1
8
14
0
0
15
GLY W 92
Heavy
Strand
Exposed
0
0
14
0
0
16
GLU W 93
Heavy
Strand
Exposed
2
4
10
2
0
17
MET W 94
Heavy
Strand
Intermediate
0
2
2
0
0
Interactions of contact residues of antigen Structure of contact residues of antigen Detailed contact residues of antigen


Number of interfacial waters = 4
No.
Interfacial Waters
Number of Hbonds with Heavy Chain
Number of Hbonds with Light Chain
Number of Hbonds with Antigen
Number of Hbonds with Other Interfacial Waters
1
HOH H 421
1
0
0
1
2
HOH W 116
0
0
1
1
3
HOH L 246
0
1
1
0
4
HOH W 118
0
1
1
0
Hbonds of interfacial water molecules Structure of interfacial water molecules [back to top]