Analysis of interatomic Contacts of Structural Units in PDB entry:
1CHM


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 1CHM entry

There are 2 chains in PDB entry 1CHM (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLN 2ARG 402
B
 GLN 2ARG 402
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 1CHM. 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 38Right-handed alpha
Helix 2
2
A
47 56Right-handed alpha
Helix 3
3
A
82 84Right-handed 310
Helix 4
4
A
85 91Right-handed alpha
Helix 5
5
A
105 115Right-handed alpha
Helix 6
6
A
129 140Right-handed alpha
Helix 7
7
A
148 157Right-handed alpha
Helix 8
8
A
160 185Right-handed alpha
Helix 9
9
A
190 210Right-handed alpha
Helix 10
10
A
226 230Right-handed 310
Helix 11
11
A
271 292Right-handed alpha
Helix 12
12
A
297 312Right-handed alpha
Helix 13
13
A
313 313Right-handed 310
Helix 14
14
A
314 317Right-handed 310
Helix 15
15
A
395 399Right-handed alpha
Helix 16
16
B
20 39Right-handed alpha
Helix 17
17
B
47 56Right-handed alpha
Helix 18
18
B
82 84Right-handed 310
Helix 19
19
B
85 91Right-handed alpha
Helix 20
20
B
105 115Right-handed alpha
Helix 21
21
B
129 140Right-handed alpha
Helix 22
22
B
148 157Right-handed alpha
Helix 23
23
B
160 185Right-handed alpha
Helix 24
24
B
190 210Right-handed alpha
Helix 25
25
B
226 230Right-handed 310
Helix 26
26
B
271 292Right-handed alpha
Helix 27
27
B
297 311Right-handed alpha
Helix 28
28
B
312 313Right-handed 310
Helix 29
29
B
314 317Right-handed 310
Helix 30
30
B
395 399Right-handed alpha
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There are 12 sheets in PDB entry 1CHM. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

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
6 7first strand
Strand 2
A
95 99anti-parallel
Strand 3
A
75 80parallel
Strand 4
A
67 70anti-parallel
Strand 5
A
42 45anti-parallel
Strand 6
A
120 123parallel
Strand 7
A
144 147parallel
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There are 4 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
219 224first strand
Strand 2
A
245 251anti-parallel
Strand 3
A
261 267anti-parallel
Strand 4
A
400 401parallel
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There are 2 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
235 236first strand
Strand 2
B
214 215anti-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
253 254first strand
Strand 2
A
257 258anti-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
329 330first strand
Strand 2
A
333 334anti-parallel
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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
A
354 357first strand
Strand 2
A
377 382anti-parallel
Strand 3
A
385 388anti-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
360 363first strand
Strand 2
A
371 374anti-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
6 7first strand
Strand 2
B
95 99anti-parallel
Strand 3
B
75 80parallel
Strand 4
B
67 70anti-parallel
Strand 5
B
42 45anti-parallel
Strand 6
B
120 123parallel
Strand 7
B
144 147parallel
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There are 4 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
219 224first strand
Strand 2
B
245 251anti-parallel
Strand 3
B
261 267anti-parallel
Strand 4
B
400 401parallel
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There are 4 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
253 254first strand
Strand 2
B
257 258anti-parallel
Strand 3
B
327 330anti-parallel
Strand 4
B
333 334anti-parallel
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There are 3 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
354 357first strand
Strand 2
B
377 382anti-parallel
Strand 3
B
385 388anti-parallel
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There are 2 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
360 363first strand
Strand 2
B
371 374anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il