Analysis of interatomic Contacts of Structural Units in PDB entry:
2X4Y


Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
For CSU analysis of other PDB entry

This page provides analyses of contacts formed by:
For analysis of ligand-protein contacts, use: 3D structure can be seen in additional window with STING software for 2X4Y entry

There are 24 chains in PDB entry 2X4Y (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 1079GLU 1205
B
 ALA 24VAL 35
B
 LYS 37TYR 41
C
 ASP 1080GLY 1204
D
 LYS 27VAL 35
D
 LYS 37ARG 40
E
 ASP 1080GLU 1205
F
 ALA 25VAL 35
F
 LYS 37HIS 39
G
 ASP 1080GLN 1203
H
 SER 28VAL 35
H
 LYS 37PRO 38
I
 ASP 1080GLY 1204
J
 SER 28VAL 35
J
 LYS 37HIS 39
K
 ASP 1080GLU 1205
L
 ALA 29VAL 35
L
 LYS 37HIS 39
M
 ASP 1080GLU 1205
N
 SER 28VAL 35
N
 LYS 37TYR 41
O
 ASP 1080VAL 1202
P
 ALA 25VAL 35
P
 LYS 37LYS 37
Residue contacts

1. List of contacts for up to 10 consecutive residues:
Chain ID from residue number to residue number


2. Detailed analyses of contacts for any single residue:
Residue number chain ID
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There are 28 helices in PDB entry 2X4Y. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
1124 1139Right-handed alpha
Helix 2
2
A
1168 1177Right-handed alpha
Helix 3
3
A
1181 1203Right-handed alpha
Helix 4
4
B
24 29Right-handed alpha
Helix 5
5
C
1124 1139Right-handed alpha
Helix 6
6
C
1168 1177Right-handed alpha
Helix 7
7
C
1181 1203Right-handed alpha
Helix 8
8
E
1124 1139Right-handed alpha
Helix 9
9
E
1168 1177Right-handed alpha
Helix 10
10
E
1181 1203Right-handed alpha
Helix 11
11
G
1124 1139Right-handed alpha
Helix 12
12
G
1168 1177Right-handed alpha
Helix 13
13
G
1181 1203Right-handed alpha
Helix 14
14
I
1124 1139Right-handed alpha
Helix 15
15
I
1168 1177Right-handed alpha
Helix 16
16
I
1181 1204Right-handed alpha
Helix 17
17
K
1124 1139Right-handed alpha
Helix 18
18
K
1158 1160Right-handed 310
Helix 19
19
K
1168 1177Right-handed alpha
Helix 20
20
K
1181 1204Right-handed alpha
Helix 21
21
M
1124 1139Right-handed alpha
Helix 22
22
M
1158 1160Right-handed 310
Helix 23
23
M
1168 1177Right-handed alpha
Helix 24
24
M
1181 1203Right-handed alpha
Helix 25
25
O
1124 1139Right-handed alpha
Helix 26
26
O
1158 1160Right-handed 310
Helix 27
27
O
1168 1177Right-handed alpha
Helix 28
28
O
1181 1201Right-handed alpha
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There are 16 sheets in PDB entry 2X4Y. Click on sheet of interest to get list of strands forming it: AA, AB, CA, CB, EA, EB, GA, GB, IA, IB, KA, KB, MA, MB, OA, OB,

There are 5 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
1154 1158first strand
Strand 2
A
1142 1147anti-parallel
Strand 3
A
1099 1104anti-parallel
Strand 4
A
1088 1091anti-parallel
Strand 5
A
1162 1164anti-parallel
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There are 2 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
1113 1115first strand
Strand 2
A
1118 1120anti-parallel
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There are 5 strands in CA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
1154 1158first strand
Strand 2
C
1142 1147anti-parallel
Strand 3
C
1099 1104anti-parallel
Strand 4
C
1088 1091anti-parallel
Strand 5
C
1162 1164anti-parallel
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There are 2 strands in CB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
1114 1115first strand
Strand 2
C
1118 1119anti-parallel
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There are 5 strands in EA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
1154 1158first strand
Strand 2
E
1142 1147anti-parallel
Strand 3
E
1099 1104anti-parallel
Strand 4
E
1088 1091anti-parallel
Strand 5
E
1162 1164anti-parallel
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There are 2 strands in EB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
1113 1115first strand
Strand 2
E
1118 1120anti-parallel
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There are 5 strands in GA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
1154 1158first strand
Strand 2
G
1142 1147anti-parallel
Strand 3
G
1099 1104anti-parallel
Strand 4
G
1088 1091anti-parallel
Strand 5
G
1162 1164anti-parallel
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There are 2 strands in GB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
1113 1115first strand
Strand 2
G
1118 1120anti-parallel
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There are 5 strands in IA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
1154 1158first strand
Strand 2
I
1142 1147anti-parallel
Strand 3
I
1099 1104anti-parallel
Strand 4
I
1088 1091anti-parallel
Strand 5
I
1162 1164anti-parallel
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There are 2 strands in IB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
1113 1115first strand
Strand 2
I
1118 1120anti-parallel
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There are 5 strands in KA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
K
1154 1157first strand
Strand 2
K
1143 1147anti-parallel
Strand 3
K
1099 1104anti-parallel
Strand 4
K
1088 1091anti-parallel
Strand 5
K
1162 1164anti-parallel
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There are 2 strands in KB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
K
1113 1115first strand
Strand 2
K
1118 1120anti-parallel
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There are 5 strands in MA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
M
1154 1157first strand
Strand 2
M
1143 1147anti-parallel
Strand 3
M
1099 1104anti-parallel
Strand 4
M
1088 1091anti-parallel
Strand 5
M
1162 1164anti-parallel
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There are 2 strands in MB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
M
1113 1115first strand
Strand 2
M
1118 1120anti-parallel
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There are 5 strands in OA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
O
1154 1157first strand
Strand 2
O
1143 1147anti-parallel
Strand 3
O
1099 1104anti-parallel
Strand 4
O
1088 1091anti-parallel
Strand 5
O
1162 1164anti-parallel
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There are 2 strands in OB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
O
1113 1115first strand
Strand 2
O
1118 1120anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il