Analysis of interatomic Contacts of Structural Units in PDB entry:
4CRX


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 4CRX entry

There are 4 chains in PDB entry 4CRX (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
C
 T 1 T 35
D
 T 1 T 35
A
 SER 20ASP 341
B
 SER 20ASP 341
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 38 helices in PDB entry 4CRX. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
20
A
21 32Right-handed alpha
Helix 2
21
A
34 36Right-handed 310
Helix 3
22
A
39 59Right-handed alpha
Helix 4
4
A
68 81Right-handed alpha
Helix 5
24
A
85 102Right-handed alpha
Helix 6
25
A
107 109Right-handed 310
Helix 7
26
A
111 126Right-handed alpha
Helix 8
8
A
139 149Right-handed alpha
Helix 9
28
A
155 170Right-handed alpha
Helix 10
29
A
174 179Right-handed alpha
Helix 11
30
A
182 184Right-handed 310
Helix 12
31
A
215 228Right-handed alpha
Helix 13
32
A
230 232Right-handed 310
Helix 14
33
A
258 273Right-handed alpha
Helix 15
34
A
290 302Right-handed alpha
Helix 16
35
A
306 313Right-handed alpha
Helix 17
36
A
319 325Right-handed alpha
Helix 18
37
A
329 331Right-handed 310
Helix 19
38
A
334 339Right-handed alpha
Helix 20
20
B
21 32Right-handed alpha
Helix 21
21
B
34 36Right-handed 310
Helix 22
22
B
39 59Right-handed alpha
Helix 23
23
B
68 80Right-handed alpha
Helix 24
24
B
85 102Right-handed alpha
Helix 25
25
B
107 109Right-handed 310
Helix 26
26
B
111 126Right-handed alpha
Helix 27
27
B
139 151Right-handed alpha
Helix 28
28
B
155 170Right-handed alpha
Helix 29
29
B
174 179Right-handed alpha
Helix 30
30
B
182 184Right-handed 310
Helix 31
31
B
215 228Right-handed alpha
Helix 32
32
B
230 232Right-handed 310
Helix 33
33
B
258 273Right-handed alpha
Helix 34
34
B
290 302Right-handed alpha
Helix 35
35
B
306 313Right-handed alpha
Helix 36
36
B
319 325Right-handed alpha
Helix 37
37
B
329 331Right-handed 310
Helix 38
38
B
334 339Right-handed alpha
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There are 2 sheets in PDB entry 4CRX. Click on sheet of interest to get list of strands forming it: A, B,

There are 3 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
185 187first strand
Strand 2
A
193 196anti-parallel
Strand 3
A
210 212anti-parallel
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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
B
185 187first strand
Strand 2
B
193 197anti-parallel
Strand 3
B
209 212anti-parallel
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