Analysis of interatomic Contacts of Structural Units in PDB entry:
3B1B


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 3B1B entry

There are 2 chains in PDB entry 3B1B (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 CYS 21HIS 377
B
 CYS 21HIS 377
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 15 helices in PDB entry 3B1B. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
86 90Right-handed 310
Helix 2
2
A
141 146Right-handed 310
Helix 3
3
A
191 195Right-handed 310
Helix 4
4
A
217 222Right-handed alpha
Helix 5
5
A
241 246Right-handed alpha
Helix 6
6
A
281 291Right-handed alpha
Helix 7
7
A
345 349Right-handed 310
Helix 8
8
B
86 90Right-handed 310
Helix 9
9
B
139 146Right-handed 310
Helix 10
10
B
191 195Right-handed 310
Helix 11
11
B
214 216Right-handed 310
Helix 12
12
B
217 222Right-handed alpha
Helix 13
13
B
241 246Right-handed alpha
Helix 14
14
B
281 291Right-handed alpha
Helix 15
15
B
345 347Right-handed 310
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There are 10 sheets in PDB entry 3B1B. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

There are 2 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
71 72first strand
Strand 2
A
171 172parallel
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There are 6 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
92 94first strand
Strand 2
A
125 131anti-parallel
Strand 3
A
152 165anti-parallel
Strand 4
A
179 187anti-parallel
Strand 5
A
198 209anti-parallel
Strand 6
A
277 280parallel
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There are 9 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
230 233first strand
Strand 2
A
105 109anti-parallel
Strand 3
A
114 118anti-parallel
Strand 4
A
152 165anti-parallel
Strand 5
A
179 187anti-parallel
Strand 6
A
198 209anti-parallel
Strand 7
A
266 273parallel
Strand 8
A
252 258anti-parallel
Strand 9
A
371 374anti-parallel
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There are 2 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
98 99first strand
Strand 2
A
239 240anti-parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
293 297first strand
Strand 2
A
350 355anti-parallel
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There are 2 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
71 72first strand
Strand 2
B
171 172parallel
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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
B
92 94first strand
Strand 2
B
125 131anti-parallel
Strand 3
B
152 165anti-parallel
Strand 4
B
179 187anti-parallel
Strand 5
B
198 209anti-parallel
Strand 6
B
277 280parallel
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There are 9 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
230 233first strand
Strand 2
B
105 109anti-parallel
Strand 3
B
114 118anti-parallel
Strand 4
B
152 165anti-parallel
Strand 5
B
179 187anti-parallel
Strand 6
B
198 209anti-parallel
Strand 7
B
266 273parallel
Strand 8
B
252 258anti-parallel
Strand 9
B
371 374anti-parallel
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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
98 99first strand
Strand 2
B
239 240anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
293 298first strand
Strand 2
B
349 355anti-parallel
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