Analysis of interatomic Contacts of Structural Units in PDB entry:
3R1X


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 3R1X entry

There are 4 chains in PDB entry 3R1X (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER -2ASN 292
B
 MSE 1ASN 292
C
 MSE 1ASN 292
D
 MSE 1ASN 292
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 48 helices in PDB entry 3R1X. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
-1 2Right-handed 310
Helix 2
2
A
42 51Right-handed alpha
Helix 3
3
A
67 69Right-handed 310
Helix 4
4
A
86 91Right-handed alpha
Helix 5
5
A
118 130Right-handed alpha
Helix 6
6
A
159 170Right-handed alpha
Helix 7
7
A
171 175Right-handed 310
Helix 8
8
A
183 196Right-handed alpha
Helix 9
9
A
202 213Right-handed alpha
Helix 10
10
A
217 219Right-handed 310
Helix 11
11
A
220 238Right-handed alpha
Helix 12
12
A
252 266Right-handed alpha
Helix 13
13
A
275 292Right-handed alpha
Helix 14
14
B
42 51Right-handed alpha
Helix 15
15
B
65 69Right-handed 310
Helix 16
16
B
86 91Right-handed 310
Helix 17
17
B
118 130Right-handed alpha
Helix 18
18
B
159 170Right-handed alpha
Helix 19
19
B
183 197Right-handed alpha
Helix 20
20
B
202 213Right-handed alpha
Helix 21
21
B
217 219Right-handed 310
Helix 22
22
B
220 238Right-handed alpha
Helix 23
23
B
252 266Right-handed alpha
Helix 24
24
B
275 292Right-handed alpha
Helix 25
25
C
42 51Right-handed alpha
Helix 26
26
C
67 69Right-handed 310
Helix 27
27
C
86 91Right-handed 310
Helix 28
28
C
118 130Right-handed alpha
Helix 29
29
C
159 170Right-handed alpha
Helix 30
30
C
183 196Right-handed alpha
Helix 31
31
C
202 213Right-handed alpha
Helix 32
32
C
217 219Right-handed 310
Helix 33
33
C
220 238Right-handed alpha
Helix 34
34
C
252 266Right-handed alpha
Helix 35
35
C
275 292Right-handed alpha
Helix 36
36
D
34 38Right-handed 310
Helix 37
37
D
42 51Right-handed alpha
Helix 38
38
D
65 69Right-handed 310
Helix 39
39
D
86 91Right-handed 310
Helix 40
40
D
118 130Right-handed alpha
Helix 41
41
D
159 170Right-handed alpha
Helix 42
42
D
171 175Right-handed 310
Helix 43
43
D
183 196Right-handed alpha
Helix 44
44
D
202 213Right-handed alpha
Helix 45
45
D
217 219Right-handed 310
Helix 46
46
D
220 238Right-handed alpha
Helix 47
47
D
252 266Right-handed alpha
Helix 48
48
D
275 292Right-handed alpha
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There are 12 sheets in PDB entry 3R1X. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 6 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
24 31first strand
Strand 2
A
15 21anti-parallel
Strand 3
A
4 10anti-parallel
Strand 4
A
61 65parallel
Strand 5
A
99 101parallel
Strand 6
A
93 96anti-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
79 80first strand
Strand 2
A
105 109parallel
Strand 3
A
112 116anti-parallel
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There are 6 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
83 84first strand
Strand 2
A
151 158anti-parallel
Strand 3
A
142 147anti-parallel
Strand 4
A
134 137anti-parallel
Strand 5
A
247 251parallel
Strand 6
A
270 274parallel
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There are 6 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
24 31first strand
Strand 2
B
15 21anti-parallel
Strand 3
B
4 10anti-parallel
Strand 4
B
61 64parallel
Strand 5
B
99 101parallel
Strand 6
B
93 96anti-parallel
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There are 3 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
79 80first strand
Strand 2
B
105 109parallel
Strand 3
B
112 116anti-parallel
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There are 6 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
83 84first strand
Strand 2
B
151 158anti-parallel
Strand 3
B
142 147anti-parallel
Strand 4
B
134 137anti-parallel
Strand 5
B
247 251parallel
Strand 6
B
270 274parallel
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There are 6 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
24 31first strand
Strand 2
C
15 21anti-parallel
Strand 3
C
4 10anti-parallel
Strand 4
C
61 65parallel
Strand 5
C
99 101parallel
Strand 6
C
93 96anti-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
C
79 80first strand
Strand 2
C
105 109parallel
Strand 3
C
112 116anti-parallel
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There are 6 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
83 84first strand
Strand 2
C
151 158anti-parallel
Strand 3
C
142 147anti-parallel
Strand 4
C
134 137anti-parallel
Strand 5
C
247 251parallel
Strand 6
C
270 274parallel
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There are 6 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
24 31first strand
Strand 2
D
15 21anti-parallel
Strand 3
D
4 10anti-parallel
Strand 4
D
61 64parallel
Strand 5
D
99 101parallel
Strand 6
D
93 94anti-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
D
79 80first strand
Strand 2
D
105 109parallel
Strand 3
D
112 116anti-parallel
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There are 6 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
83 84first strand
Strand 2
D
151 158anti-parallel
Strand 3
D
142 147anti-parallel
Strand 4
D
134 137anti-parallel
Strand 5
D
247 251parallel
Strand 6
D
270 274parallel
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