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


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 3BIT entry

There are 2 chains in PDB entry 3BIT (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MSE 1PHE 447
B
 ILE 6PHE 447
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 30 helices in PDB entry 3BIT. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
7 22Right-handed alpha
Helix 2
2
A
23 25Right-handed 310
Helix 3
3
A
46 57Right-handed alpha
Helix 4
5
A
86 91Right-handed alpha
Helix 5
6
A
109 128Right-handed alpha
Helix 6
7
A
141 159Right-handed alpha
Helix 7
8
A
165 173Right-handed alpha
Helix 8
9
A
177 208Right-handed alpha
Helix 9
10
A
213 224Right-handed alpha
Helix 10
11
A
227 240Right-handed alpha
Helix 11
12
A
249 251Right-handed 310
Helix 12
13
A
310 331Right-handed alpha
Helix 13
14
A
337 353Right-handed alpha
Helix 14
15
A
354 360Right-handed 310
Helix 15
16
A
439 443Right-handed alpha
Helix 16
17
B
7 22Right-handed alpha
Helix 17
18
B
23 25Right-handed 310
Helix 18
19
B
46 57Right-handed alpha
Helix 19
21
B
86 91Right-handed alpha
Helix 20
22
B
109 128Right-handed alpha
Helix 21
23
B
141 159Right-handed alpha
Helix 22
24
B
165 173Right-handed alpha
Helix 23
25
B
177 208Right-handed alpha
Helix 24
26
B
213 225Right-handed alpha
Helix 25
27
B
227 240Right-handed alpha
Helix 26
28
B
249 251Right-handed 310
Helix 27
29
B
310 331Right-handed alpha
Helix 28
30
B
337 353Right-handed alpha
Helix 29
31
B
354 360Right-handed 310
Helix 30
32
B
439 443Right-handed alpha
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There are 8 sheets in PDB entry 3BIT. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

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
99 105first strand
Strand 2
A
71 77parallel
Strand 3
A
63 68anti-parallel
Strand 4
A
31 36anti-parallel
Strand 5
A
130 133parallel
Strand 6
A
161 164parallel
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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
253 255first strand
Strand 2
A
292 294anti-parallel
Strand 3
A
297 298anti-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
A
260 262first strand
Strand 2
A
284 290anti-parallel
Strand 3
A
301 307anti-parallel
Strand 4
A
444 445parallel
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There are 4 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
365 367first strand
Strand 2
A
393 404anti-parallel
Strand 3
A
411 421anti-parallel
Strand 4
A
431 432anti-parallel
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There are 6 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
99 105first strand
Strand 2
B
71 77parallel
Strand 3
B
63 68anti-parallel
Strand 4
B
31 36anti-parallel
Strand 5
B
130 133parallel
Strand 6
B
161 164parallel
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There are 3 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
253 255first strand
Strand 2
B
292 294anti-parallel
Strand 3
B
297 298anti-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
B
260 262first strand
Strand 2
B
284 290anti-parallel
Strand 3
B
301 307anti-parallel
Strand 4
B
444 445parallel
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There are 4 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
365 367first strand
Strand 2
B
393 404anti-parallel
Strand 3
B
411 421anti-parallel
Strand 4
B
431 432anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il