Analysis of interatomic Contacts of Structural Units in PDB entry:
3B1N


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 3B1N entry

There are 2 chains in PDB entry 3B1N (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 2LYS 312
B
 ALA 2HIS 321
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 3B1N. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
20 25Right-handed 310
Helix 2
2
A
48 60Right-handed alpha
Helix 3
3
A
75 86Right-handed alpha
Helix 4
4
A
119 128Right-handed 310
Helix 5
5
A
129 133Right-handed 310
Helix 6
6
A
145 160Right-handed alpha
Helix 7
7
A
167 174Right-handed 310
Helix 8
8
A
175 186Right-handed alpha
Helix 9
9
A
193 204Right-handed alpha
Helix 10
10
A
206 212Right-handed alpha
Helix 11
11
A
222 224Right-handed 310
Helix 12
12
A
250 265Right-handed alpha
Helix 13
13
A
268 285Right-handed alpha
Helix 14
14
A
295 308Right-handed alpha
Helix 15
15
B
20 24Right-handed 310
Helix 16
16
B
48 60Right-handed alpha
Helix 17
17
B
75 86Right-handed alpha
Helix 18
18
B
119 128Right-handed 310
Helix 19
19
B
129 133Right-handed 310
Helix 20
20
B
145 159Right-handed alpha
Helix 21
21
B
167 174Right-handed 310
Helix 22
22
B
175 186Right-handed alpha
Helix 23
23
B
193 204Right-handed alpha
Helix 24
24
B
206 212Right-handed alpha
Helix 25
25
B
222 224Right-handed 310
Helix 26
26
B
250 265Right-handed alpha
Helix 27
27
B
268 285Right-handed alpha
Helix 28
28
B
295 308Right-handed alpha
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There are 4 sheets in PDB entry 3B1N. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 9 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
88 95first strand
Strand 2
A
64 71parallel
Strand 3
A
3 6parallel
Strand 4
A
138 141parallel
Strand 5
A
163 165parallel
Strand 6
A
188 192parallel
Strand 7
A
216 220parallel
Strand 8
A
226 230anti-parallel
Strand 9
A
233 237anti-parallel
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There are 5 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
45 47first strand
Strand 2
A
10 16anti-parallel
Strand 3
A
101 107parallel
Strand 4
A
114 118anti-parallel
Strand 5
B
35 38parallel
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There are 5 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
34 38first strand
Strand 2
B
113 118parallel
Strand 3
B
101 107anti-parallel
Strand 4
B
10 16parallel
Strand 5
B
45 47anti-parallel
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There are 9 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
88 95first strand
Strand 2
B
64 71parallel
Strand 3
B
3 6parallel
Strand 4
B
138 141parallel
Strand 5
B
163 165parallel
Strand 6
B
188 192parallel
Strand 7
B
216 220parallel
Strand 8
B
226 230anti-parallel
Strand 9
B
233 237anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il