Analysis of interatomic Contacts of Structural Units in PDB entry:
3CL4


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 3CL4 entry

There is 1 chain in PDB entry 3CL4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PHE 19ASP 376
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 9 helices in PDB entry 3CL4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
41 50Right-handed 310
Helix 2
2
A
54 58Right-handed 310
Helix 3
3
A
61 65Right-handed 310
Helix 4
4
A
77 84Right-handed alpha
Helix 5
5
A
106 110Right-handed 310
Helix 6
6
A
118 138Right-handed alpha
Helix 7
7
A
301 307Right-handed alpha
Helix 8
8
A
332 339Right-handed alpha
Helix 9
9
A
340 343Right-handed 310
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There are 8 sheets in PDB entry 3CL4. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 4 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
23 24first strand
Strand 2
A
353 354anti-parallel
Strand 3
A
347 348anti-parallel
Strand 4
A
368 369anti-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
70 73first strand
Strand 2
A
34 39parallel
Strand 3
A
96 100parallel
Strand 4
A
286 289parallel
Strand 5
A
312 315parallel
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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
92 93first strand
Strand 2
A
140 147anti-parallel
Strand 3
A
273 280anti-parallel
Strand 4
A
188 207anti-parallel
Strand 5
A
150 152anti-parallel
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There are 7 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
92 93first strand
Strand 2
A
140 147anti-parallel
Strand 3
A
273 280anti-parallel
Strand 4
A
188 207anti-parallel
Strand 5
A
247 265anti-parallel
Strand 6
A
221 226anti-parallel
Strand 7
A
232 236anti-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
A
158 159first strand
Strand 2
A
173 175anti-parallel
Strand 3
A
268 270anti-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
A
163 164first strand
Strand 2
A
167 168anti-parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
211 213first strand
Strand 2
A
216 218anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
323 326first strand
Strand 2
A
329 331anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il