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


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 4CQX entry

There are 5 chains in PDB entry 4CQX (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP -1PRO 320
B
 GLY 1SER 163
C
 ASP 1PRO 320
D
 GLY 1SER 163
E
 ASP -1SER 287
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 26 helices in PDB entry 4CQX. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
56 63Right-handed alpha
Helix 2
2
A
64 71Right-handed 310
Helix 3
3
A
97 106Right-handed alpha
Helix 4
4
A
118 122Right-handed 310
Helix 5
5
A
182 191Right-handed alpha
Helix 6
6
B
37 59Right-handed alpha
Helix 7
7
B
74 127Right-handed alpha
Helix 8
8
B
145 155Right-handed alpha
Helix 9
9
C
56 63Right-handed alpha
Helix 10
10
C
64 71Right-handed 310
Helix 11
11
C
97 106Right-handed alpha
Helix 12
12
C
118 122Right-handed 310
Helix 13
13
C
182 191Right-handed alpha
Helix 14
14
D
37 59Right-handed alpha
Helix 15
15
D
74 127Right-handed alpha
Helix 16
16
D
147 155Right-handed alpha
Helix 17
17
D
158 163Right-handed alpha
Helix 18
18
E
56 63Right-handed alpha
Helix 19
19
E
64 71Right-handed 310
Helix 20
20
E
97 106Right-handed alpha
Helix 21
21
E
118 122Right-handed 310
Helix 22
22
E
182 191Right-handed alpha
Helix 23
23
F
37 60Right-handed alpha
Helix 24
24
F
74 127Right-handed alpha
Helix 25
25
F
145 155Right-handed alpha
Helix 26
26
F
158 163Right-handed alpha
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There are 33 sheets in PDB entry 4CQX. Click on sheet of interest to get list of strands forming it: BA, AA, AB, AC, AD, AE, AF, AG, AH, AI, AJ, A, CA, CB, CC, CD, CE, CF, CG, CH, CI, CJ, FA, EA, EB, EC, ED, EE, EF, EG, EH, EI, EJ,

There are 5 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
31 36first strand
Strand 2
B
22 28anti-parallel
Strand 3
A
2 7anti-parallel
Strand 4
B
137 140anti-parallel
Strand 5
B
130 132anti-parallel
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There are 2 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
15 16first strand
Strand 2
A
24 25anti-parallel
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There are 2 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
29 31first strand
Strand 2
A
311 313anti-parallel
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There are 3 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
33 34first strand
Strand 2
A
290 291parallel
Strand 3
A
303 304parallel
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There are 2 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
41 44first strand
Strand 2
A
270 275parallel
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There are 3 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
50 51first strand
Strand 2
A
79 81parallel
Strand 3
A
263 265parallel
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There are 5 strands in AF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
93 95first strand
Strand 2
A
224 232parallel
Strand 3
A
171 179anti-parallel
Strand 4
A
246 249anti-parallel
Strand 5
A
146 148anti-parallel
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There are 5 strands in AG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
93 95first strand
Strand 2
A
224 232parallel
Strand 3
A
171 179anti-parallel
Strand 4
A
251 258anti-parallel
Strand 5
A
108 115anti-parallel
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There are 2 strands in AH sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
131 136first strand
Strand 2
A
139 141anti-parallel
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There are 4 strands in AI sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
159 164first strand
Strand 2
A
237 242anti-parallel
Strand 3
A
197 200anti-parallel
Strand 4
A
205 208anti-parallel
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There are 3 strands in AJ sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
282 284first strand
Strand 2
A
277 279anti-parallel
Strand 3
A
298 299anti-parallel
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There are 5 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
32 36first strand
Strand 2
D
22 27anti-parallel
Strand 3
C
2 7anti-parallel
Strand 4
D
137 140anti-parallel
Strand 5
D
130 132anti-parallel
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There are 2 strands in CA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
15 16first strand
Strand 2
C
24 25anti-parallel
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There are 2 strands in CB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
29 31first strand
Strand 2
C
311 313anti-parallel
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There are 3 strands in CC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
33 34first strand
Strand 2
C
290 291parallel
Strand 3
C
303 304parallel
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There are 2 strands in CD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
41 44first strand
Strand 2
C
270 275parallel
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There are 3 strands in CE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
50 51first strand
Strand 2
C
79 81parallel
Strand 3
C
263 265parallel
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There are 5 strands in CF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
93 95first strand
Strand 2
C
224 232parallel
Strand 3
C
171 179anti-parallel
Strand 4
C
246 249anti-parallel
Strand 5
C
146 148anti-parallel
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There are 5 strands in CG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
93 95first strand
Strand 2
C
224 232parallel
Strand 3
C
171 179anti-parallel
Strand 4
C
251 258anti-parallel
Strand 5
C
108 115anti-parallel
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There are 2 strands in CH sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
131 136first strand
Strand 2
C
139 141anti-parallel
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There are 4 strands in CI sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
159 164first strand
Strand 2
C
237 242anti-parallel
Strand 3
C
197 200anti-parallel
Strand 4
C
205 208anti-parallel
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There are 3 strands in CJ sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
282 284first strand
Strand 2
C
277 279anti-parallel
Strand 3
C
298 299anti-parallel
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There are 5 strands in FA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
32 36first strand
Strand 2
F
22 27anti-parallel
Strand 3
E
2 7anti-parallel
Strand 4
F
137 140anti-parallel
Strand 5
F
130 132anti-parallel
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There are 2 strands in EA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
14 16first strand
Strand 2
E
24 26anti-parallel
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There are 2 strands in EB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
29 31first strand
Strand 2
E
311 313anti-parallel
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There are 3 strands in EC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
33 34first strand
Strand 2
E
290 291parallel
Strand 3
E
303 304parallel
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There are 2 strands in ED sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
41 44first strand
Strand 2
E
270 275parallel
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There are 3 strands in EE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
50 51first strand
Strand 2
E
79 81parallel
Strand 3
E
263 265parallel
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There are 5 strands in EF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
93 95first strand
Strand 2
E
224 232parallel
Strand 3
E
171 179anti-parallel
Strand 4
E
246 249anti-parallel
Strand 5
E
146 148anti-parallel
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There are 5 strands in EG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
93 95first strand
Strand 2
E
224 232parallel
Strand 3
E
171 179anti-parallel
Strand 4
E
251 258anti-parallel
Strand 5
E
108 115anti-parallel
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There are 2 strands in EH sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
131 136first strand
Strand 2
E
139 141anti-parallel
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There are 4 strands in EI sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
159 164first strand
Strand 2
E
237 242anti-parallel
Strand 3
E
197 200anti-parallel
Strand 4
E
205 208anti-parallel
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There are 2 strands in EJ sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
277 278first strand
Strand 2
E
298 299anti-parallel
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