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


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 4CTA entry

There are 2 chains in PDB entry 4CTA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1THR 394
B
 MET 1THR 394
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 36 helices in PDB entry 4CTA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
10 15Right-handed alpha
Helix 2
2
A
21 30Right-handed alpha
Helix 3
3
A
46 60Right-handed alpha
Helix 4
4
A
77 87Right-handed alpha
Helix 5
5
A
93 107Right-handed alpha
Helix 6
6
A
112 118Right-handed 310
Helix 7
7
A
153 165Right-handed alpha
Helix 8
8
A
166 168Right-handed 310
Helix 9
9
A
186 195Right-handed alpha
Helix 10
10
A
196 198Right-handed 310
Helix 11
11
A
223 237Right-handed alpha
Helix 12
12
A
248 261Right-handed alpha
Helix 13
13
A
273 281Right-handed alpha
Helix 14
14
A
284 287Right-handed 310
Helix 15
15
A
297 304Right-handed alpha
Helix 16
16
A
307 311Right-handed 310
Helix 17
17
A
316 332Right-handed alpha
Helix 18
18
A
376 394Right-handed alpha
Helix 19
19
B
10 15Right-handed alpha
Helix 20
20
B
21 31Right-handed alpha
Helix 21
21
B
46 61Right-handed alpha
Helix 22
22
B
77 87Right-handed alpha
Helix 23
23
B
93 106Right-handed alpha
Helix 24
24
B
112 118Right-handed 310
Helix 25
25
B
153 165Right-handed alpha
Helix 26
26
B
166 169Right-handed 310
Helix 27
27
B
186 195Right-handed alpha
Helix 28
28
B
196 198Right-handed 310
Helix 29
29
B
223 237Right-handed alpha
Helix 30
30
B
248 261Right-handed alpha
Helix 31
31
B
273 282Right-handed alpha
Helix 32
32
B
284 287Right-handed 310
Helix 33
33
B
297 304Right-handed alpha
Helix 34
34
B
307 311Right-handed 310
Helix 35
35
B
316 332Right-handed alpha
Helix 36
36
B
376 391Right-handed alpha
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There are 7 sheets in PDB entry 4CTA. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, BA, BB,

There are 12 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
125 128first strand
Strand 2
A
137 142anti-parallel
Strand 3
A
145 150anti-parallel
Strand 4
A
61 67parallel
Strand 5
A
3 9parallel
Strand 6
A
39 43parallel
Strand 7
B
39 43anti-parallel
Strand 8
B
2 9parallel
Strand 9
B
63 67parallel
Strand 10
B
145 150parallel
Strand 11
B
137 142anti-parallel
Strand 12
B
125 128anti-parallel
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There are 9 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
125 128first strand
Strand 2
A
137 142anti-parallel
Strand 3
A
145 150anti-parallel
Strand 4
A
61 67parallel
Strand 5
A
3 9parallel
Strand 6
A
39 43parallel
Strand 7
B
39 43anti-parallel
Strand 8
B
2 9parallel
Strand 9
B
35 36parallel
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There are 2 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
91 92first strand
Strand 2
A
120 121anti-parallel
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There are 4 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
204 211first strand
Strand 2
A
214 222anti-parallel
Strand 3
A
175 182anti-parallel
Strand 4
A
241 244anti-parallel
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There are 10 strands in AE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
365 372first strand
Strand 2
A
355 362anti-parallel
Strand 3
A
335 341anti-parallel
Strand 4
A
264 268parallel
Strand 5
A
289 295parallel
Strand 6
B
289 294anti-parallel
Strand 7
B
264 268parallel
Strand 8
B
335 341parallel
Strand 9
B
355 362anti-parallel
Strand 10
B
365 372anti-parallel
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There are 2 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
91 92first strand
Strand 2
B
120 121anti-parallel
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There are 4 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
204 211first strand
Strand 2
B
214 222anti-parallel
Strand 3
B
175 182anti-parallel
Strand 4
B
241 244anti-parallel
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