Analysis of interatomic Contacts of Structural Units in PDB entry:
3SR2


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 3SR2 entry

There are 8 chains in PDB entry 3SR2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1ALA 139
B
 MET 1LYS 140
C
 MET 1GLN 224
D
 MET 1GLN 224
E
 MET 1LYS 140
F
 MET 1LYS 140
G
 MET 1GLN 224
H
 GLY -1GLN 224
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 51 helices in PDB entry 3SR2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
27 31Right-handed 310
Helix 2
2
A
49 60Right-handed alpha
Helix 3
3
A
62 74Right-handed alpha
Helix 4
4
A
118 137Right-handed alpha
Helix 5
5
B
27 29Right-handed 310
Helix 6
6
B
49 59Right-handed alpha
Helix 7
7
B
62 73Right-handed alpha
Helix 8
8
B
118 136Right-handed alpha
Helix 9
9
C
2 11Right-handed alpha
Helix 10
10
C
51 59Right-handed alpha
Helix 11
11
C
68 85Right-handed alpha
Helix 12
12
C
127 134Right-handed alpha
Helix 13
13
C
135 168Right-handed alpha
Helix 14
14
C
185 197Right-handed alpha
Helix 15
15
C
197 202Right-handed alpha
Helix 16
16
C
207 223Right-handed alpha
Helix 17
17
D
2 11Right-handed alpha
Helix 18
18
D
51 62Right-handed alpha
Helix 19
19
D
68 78Right-handed alpha
Helix 20
20
D
127 135Right-handed alpha
Helix 21
21
D
136 169Right-handed alpha
Helix 22
22
D
176 180Right-handed 310
Helix 23
23
D
186 197Right-handed alpha
Helix 24
24
D
197 202Right-handed alpha
Helix 25
25
D
207 212Right-handed alpha
Helix 26
26
D
212 223Right-handed alpha
Helix 27
27
E
27 30Right-handed 310
Helix 28
28
E
48 60Right-handed alpha
Helix 29
29
E
62 72Right-handed alpha
Helix 30
30
E
118 140Right-handed alpha
Helix 31
31
F
48 60Right-handed alpha
Helix 32
32
F
62 70Right-handed alpha
Helix 33
33
F
118 138Right-handed alpha
Helix 34
34
G
1 10Right-handed alpha
Helix 35
35
G
51 57Right-handed alpha
Helix 36
36
G
68 81Right-handed alpha
Helix 37
37
G
127 135Right-handed alpha
Helix 38
38
G
135 168Right-handed alpha
Helix 39
39
G
185 197Right-handed alpha
Helix 40
40
G
197 202Right-handed alpha
Helix 41
41
G
207 214Right-handed alpha
Helix 42
42
G
214 223Right-handed alpha
Helix 43
43
H
0 2Right-handed 310
Helix 44
44
H
3 9Right-handed alpha
Helix 45
45
H
51 62Right-handed alpha
Helix 46
46
H
68 78Right-handed alpha
Helix 47
47
H
127 134Right-handed alpha
Helix 48
48
H
135 169Right-handed alpha
Helix 49
49
H
185 197Right-handed alpha
Helix 50
50
H
207 212Right-handed alpha
Helix 51
51
H
214 224Right-handed alpha
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There are 14 sheets in PDB entry 3SR2. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N,

There are 5 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
2 7first strand
Strand 2
A
19 24anti-parallel
Strand 3
A
32 37anti-parallel
Strand 4
A
42 47anti-parallel
Strand 5
A
114 115anti-parallel
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There are 3 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
83 88first strand
Strand 2
A
94 100anti-parallel
Strand 3
A
107 112anti-parallel
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There are 4 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
2 7first strand
Strand 2
B
19 24anti-parallel
Strand 3
B
31 37anti-parallel
Strand 4
B
42 48anti-parallel
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There are 3 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
83 89first strand
Strand 2
B
94 100anti-parallel
Strand 3
B
107 112anti-parallel
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There are 7 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
14 15first strand
Strand 2
C
24 30anti-parallel
Strand 3
C
33 39anti-parallel
Strand 4
C
44 50anti-parallel
Strand 5
C
116 125anti-parallel
Strand 6
C
103 111anti-parallel
Strand 7
C
95 100anti-parallel
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There are 7 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
14 15first strand
Strand 2
D
24 29anti-parallel
Strand 3
D
33 39anti-parallel
Strand 4
D
44 50anti-parallel
Strand 5
D
117 125anti-parallel
Strand 6
D
103 110anti-parallel
Strand 7
D
94 100anti-parallel
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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
2 8first strand
Strand 2
E
18 24anti-parallel
Strand 3
E
32 37anti-parallel
Strand 4
E
42 47anti-parallel
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There are 3 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
83 87first strand
Strand 2
E
94 100anti-parallel
Strand 3
E
109 112anti-parallel
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There are 5 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
2 7first strand
Strand 2
F
19 24anti-parallel
Strand 3
F
32 37anti-parallel
Strand 4
F
42 47anti-parallel
Strand 5
F
114 115anti-parallel
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There are 3 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
83 87first strand
Strand 2
F
95 101anti-parallel
Strand 3
F
104 105anti-parallel
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There are 3 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
83 87first strand
Strand 2
F
95 101anti-parallel
Strand 3
F
109 111anti-parallel
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There are 7 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
14 15first strand
Strand 2
G
24 29anti-parallel
Strand 3
G
34 39anti-parallel
Strand 4
G
44 49anti-parallel
Strand 5
G
117 125anti-parallel
Strand 6
G
103 110anti-parallel
Strand 7
G
94 100anti-parallel
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There are 4 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
24 29first strand
Strand 2
H
33 39anti-parallel
Strand 3
H
44 50anti-parallel
Strand 4
H
124 125anti-parallel
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There are 3 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
94 98first strand
Strand 2
H
105 110anti-parallel
Strand 3
H
117 122anti-parallel
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