Analysis of interatomic Contacts of Structural Units in PDB entry:
2ICH


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 2ICH entry

There are 2 chains in PDB entry 2ICH (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LEU 24VAL 351
B
 LEU 24ARG 352
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 6 helices in PDB entry 2ICH. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
36 40Right-handed 310
Helix 2
2
A
271 273Right-handed 310
Helix 3
3
A
319 322Right-handed 310
Helix 4
4
B
36 40Right-handed 310
Helix 5
5
B
271 273Right-handed 310
Helix 6
6
B
319 322Right-handed 310
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There are 8 sheets in PDB entry 2ICH. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 7 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
106 114first strand
Strand 2
A
89 98anti-parallel
Strand 3
A
63 73anti-parallel
Strand 4
A
47 57anti-parallel
Strand 5
A
203 217anti-parallel
Strand 6
A
182 199anti-parallel
Strand 7
A
165 166anti-parallel
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There are 7 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
121 123first strand
Strand 2
A
127 130anti-parallel
Strand 3
A
133 137anti-parallel
Strand 4
A
143 148anti-parallel
Strand 5
A
152 159anti-parallel
Strand 6
A
182 199anti-parallel
Strand 7
A
172 174anti-parallel
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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
267 270first strand
Strand 2
A
253 261anti-parallel
Strand 3
A
240 248anti-parallel
Strand 4
A
225 235anti-parallel
Strand 5
A
338 348anti-parallel
Strand 6
A
325 335anti-parallel
Strand 7
A
303 309anti-parallel
Strand 8
A
291 300anti-parallel
Strand 9
A
275 284anti-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
267 270first strand
Strand 2
A
253 261anti-parallel
Strand 3
A
240 248anti-parallel
Strand 4
A
225 235anti-parallel
Strand 5
A
338 348anti-parallel
Strand 6
A
325 335anti-parallel
Strand 7
A
315 317anti-parallel
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There are 7 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
106 114first strand
Strand 2
B
89 98anti-parallel
Strand 3
B
63 73anti-parallel
Strand 4
B
47 57anti-parallel
Strand 5
B
202 217anti-parallel
Strand 6
B
182 199anti-parallel
Strand 7
B
165 166anti-parallel
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There are 7 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
121 123first strand
Strand 2
B
127 130anti-parallel
Strand 3
B
133 137anti-parallel
Strand 4
B
143 148anti-parallel
Strand 5
B
152 159anti-parallel
Strand 6
B
182 199anti-parallel
Strand 7
B
172 174anti-parallel
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There are 9 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
267 270first strand
Strand 2
B
253 261anti-parallel
Strand 3
B
240 248anti-parallel
Strand 4
B
225 235anti-parallel
Strand 5
B
338 348anti-parallel
Strand 6
B
325 335anti-parallel
Strand 7
B
303 309anti-parallel
Strand 8
B
291 300anti-parallel
Strand 9
B
275 284anti-parallel
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There are 7 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
267 270first strand
Strand 2
B
253 261anti-parallel
Strand 3
B
240 248anti-parallel
Strand 4
B
225 235anti-parallel
Strand 5
B
338 348anti-parallel
Strand 6
B
325 335anti-parallel
Strand 7
B
315 317anti-parallel
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