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


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 4FQK entry

There are 8 chains in PDB entry 4FQK (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 1ALA 338
B
 HIS 369PHE 514
C
 ASP 1ALA 338
D
 HIS 369PHE 514
E
 GLN 1SER 215
F
 GLN 1GLU 210
H
 GLN 1CYS 216
L
 GLN 1CYS 211
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 34 helices in PDB entry 4FQK. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
61 68Right-handed alpha
Helix 2
2
A
98 105Right-handed 310
Helix 3
3
A
106 114Right-handed alpha
Helix 4
4
A
194 202Right-handed alpha
Helix 5
5
B
384 391Right-handed alpha
Helix 6
6
B
396 404Right-handed alpha
Helix 7
7
B
421 457Right-handed alpha
Helix 8
8
B
464 472Right-handed alpha
Helix 9
9
B
492 501Right-handed alpha
Helix 10
10
C
61 68Right-handed alpha
Helix 11
11
C
98 105Right-handed 310
Helix 12
12
C
106 114Right-handed alpha
Helix 13
13
C
194 202Right-handed alpha
Helix 14
14
D
384 391Right-handed alpha
Helix 15
15
D
396 404Right-handed alpha
Helix 16
16
D
421 457Right-handed alpha
Helix 17
17
D
463 472Right-handed alpha
Helix 18
18
D
492 501Right-handed alpha
Helix 19
19
E
28 31Right-handed 310
Helix 20
20
E
61 64Right-handed 310
Helix 21
21
E
83 87Right-handed 310
Helix 22
22
E
156 158Right-handed 310
Helix 23
23
E
201 204Right-handed 310
Helix 24
24
F
79 83Right-handed 310
Helix 25
25
F
121 127Right-handed alpha
Helix 26
26
F
181 187Right-handed alpha
Helix 27
27
H
28 31Right-handed 310
Helix 28
28
H
61 64Right-handed 310
Helix 29
29
H
83 87Right-handed 310
Helix 30
30
H
156 158Right-handed 310
Helix 31
31
H
201 204Right-handed 310
Helix 32
32
L
79 83Right-handed 310
Helix 33
33
L
121 127Right-handed alpha
Helix 34
34
L
181 187Right-handed alpha
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There are 44 sheets in PDB entry 4FQK. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, AA, AB, AC, AD, AE, AF, AG, AH, AI, AJ, AK, AL, AM, AN, AO, AP, AQ, AR,

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
B
380 383first strand
Strand 2
B
370 373anti-parallel
Strand 3
A
2 6anti-parallel
Strand 4
B
485 487anti-parallel
Strand 5
B
477 479anti-parallel
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There are 2 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
14 16first strand
Strand 2
A
24 26anti-parallel
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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
29 31first strand
Strand 2
A
327 329anti-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
43 44first strand
Strand 2
A
289 290parallel
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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
81 83first strand
Strand 2
A
278 280parallel
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There are 6 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
116 118first strand
Strand 2
A
271 274anti-parallel
Strand 3
A
183 192anti-parallel
Strand 4
A
264 267anti-parallel
Strand 5
A
156 160anti-parallel
Strand 6
A
136 138anti-parallel
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There are 4 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
116 118first strand
Strand 2
A
271 274anti-parallel
Strand 3
A
183 192anti-parallel
Strand 4
A
242 250anti-parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
170 174first strand
Strand 2
A
256 260anti-parallel
Strand 3
A
209 214anti-parallel
Strand 4
A
217 222anti-parallel
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There are 3 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
298 300first strand
Strand 2
A
292 294anti-parallel
Strand 3
A
314 316anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
306 307first strand
Strand 2
A
320 321parallel
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There are 5 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
380 383first strand
Strand 2
D
370 373anti-parallel
Strand 3
C
2 6anti-parallel
Strand 4
D
485 487anti-parallel
Strand 5
D
477 479anti-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
C
14 16first strand
Strand 2
C
24 26anti-parallel
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There are 2 strands in M 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
327 329anti-parallel
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There are 2 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
43 44first strand
Strand 2
C
289 290parallel
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There are 2 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
81 83first strand
Strand 2
C
278 280parallel
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There are 6 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
116 118first strand
Strand 2
C
271 274anti-parallel
Strand 3
C
183 192anti-parallel
Strand 4
C
264 267anti-parallel
Strand 5
C
156 160anti-parallel
Strand 6
C
136 138anti-parallel
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There are 4 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
116 118first strand
Strand 2
C
271 274anti-parallel
Strand 3
C
183 192anti-parallel
Strand 4
C
242 250anti-parallel
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There are 4 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
170 174first strand
Strand 2
C
256 260anti-parallel
Strand 3
C
209 214anti-parallel
Strand 4
C
217 222anti-parallel
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There are 3 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
298 300first strand
Strand 2
C
292 294anti-parallel
Strand 3
C
314 316anti-parallel
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There are 2 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
306 307first strand
Strand 2
C
320 321parallel
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There are 4 strands in U sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
3 6first strand
Strand 2
E
18 25anti-parallel
Strand 3
E
77 82anti-parallel
Strand 4
E
67 72anti-parallel
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There are 6 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
10 11first strand
Strand 2
E
107 110parallel
Strand 3
E
88 95anti-parallel
Strand 4
E
33 39anti-parallel
Strand 5
E
45 52anti-parallel
Strand 6
E
57 59anti-parallel
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There are 4 strands in W sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
10 11first strand
Strand 2
E
107 110parallel
Strand 3
E
88 95anti-parallel
Strand 4
E
100 103anti-parallel
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There are 4 strands in X sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
120 124first strand
Strand 2
E
135 145anti-parallel
Strand 3
E
176 185anti-parallel
Strand 4
E
163 165anti-parallel
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There are 4 strands in Y sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
120 124first strand
Strand 2
E
135 145anti-parallel
Strand 3
E
176 185anti-parallel
Strand 4
E
169 170anti-parallel
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There are 3 strands in Z sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
151 154first strand
Strand 2
E
195 200anti-parallel
Strand 3
E
205 210anti-parallel
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There are 5 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
9 12first strand
Strand 2
F
102 105parallel
Strand 3
F
84 92anti-parallel
Strand 4
F
34 38anti-parallel
Strand 5
F
45 48anti-parallel
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There are 4 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
9 12first strand
Strand 2
F
102 105parallel
Strand 3
F
84 92anti-parallel
Strand 4
F
95 98anti-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
F
19 24first strand
Strand 2
F
70 75anti-parallel
Strand 3
F
62 67anti-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
F
114 118first strand
Strand 2
F
130 139anti-parallel
Strand 3
F
172 180anti-parallel
Strand 4
F
159 161anti-parallel
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There are 4 strands in AE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
114 118first strand
Strand 2
F
130 139anti-parallel
Strand 3
F
172 180anti-parallel
Strand 4
F
165 166anti-parallel
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There are 4 strands in AF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
153 155first strand
Strand 2
F
145 150anti-parallel
Strand 3
F
191 196anti-parallel
Strand 4
F
201 206anti-parallel
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There are 4 strands in AG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
3 6first strand
Strand 2
H
18 25anti-parallel
Strand 3
H
77 82anti-parallel
Strand 4
H
67 72anti-parallel
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There are 6 strands in AH sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
10 11first strand
Strand 2
H
107 110parallel
Strand 3
H
88 95anti-parallel
Strand 4
H
33 39anti-parallel
Strand 5
H
45 52anti-parallel
Strand 6
H
57 59anti-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
H
10 11first strand
Strand 2
H
107 110parallel
Strand 3
H
88 95anti-parallel
Strand 4
H
100 103anti-parallel
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There are 4 strands in AJ sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
120 124first strand
Strand 2
H
135 145anti-parallel
Strand 3
H
176 185anti-parallel
Strand 4
H
163 165anti-parallel
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There are 4 strands in AK sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
120 124first strand
Strand 2
H
135 145anti-parallel
Strand 3
H
176 185anti-parallel
Strand 4
H
169 170anti-parallel
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There are 3 strands in AL sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
151 154first strand
Strand 2
H
195 200anti-parallel
Strand 3
H
205 210anti-parallel
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There are 5 strands in AM sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
9 12first strand
Strand 2
L
102 105parallel
Strand 3
L
84 92anti-parallel
Strand 4
L
34 38anti-parallel
Strand 5
L
45 48anti-parallel
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There are 4 strands in AN sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
9 12first strand
Strand 2
L
102 105parallel
Strand 3
L
84 92anti-parallel
Strand 4
L
95 98anti-parallel
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There are 3 strands in AO sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
19 24first strand
Strand 2
L
70 75anti-parallel
Strand 3
L
62 67anti-parallel
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There are 4 strands in AP sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
114 118first strand
Strand 2
L
130 139anti-parallel
Strand 3
L
172 180anti-parallel
Strand 4
L
159 161anti-parallel
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There are 4 strands in AQ sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
114 118first strand
Strand 2
L
130 139anti-parallel
Strand 3
L
172 180anti-parallel
Strand 4
L
165 166anti-parallel
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There are 4 strands in AR sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
153 155first strand
Strand 2
L
145 150anti-parallel
Strand 3
L
191 196anti-parallel
Strand 4
L
201 206anti-parallel
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