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


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 4IDQ entry

There are 3 chains in PDB entry 4IDQ (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 30ARG 446
B
 LYS 30ARG 446
C
 LYS 30TYR 432
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 56 helices in PDB entry 4IDQ. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
49 58Right-handed alpha
Helix 2
2
A
79 93Right-handed alpha
Helix 3
3
A
156 171Right-handed alpha
Helix 4
4
A
183 200Right-handed alpha
Helix 5
5
A
228 240Right-handed alpha
Helix 6
6
A
247 260Right-handed alpha
Helix 7
7
A
273 279Right-handed alpha
Helix 8
8
A
285 289Right-handed 310
Helix 9
9
A
290 306Right-handed alpha
Helix 10
10
A
307 310Right-handed 310
Helix 11
11
A
321 338Right-handed alpha
Helix 12
12
A
346 376Right-handed alpha
Helix 13
13
A
383 405Right-handed alpha
Helix 14
14
A
409 438Right-handed alpha
Helix 15
15
B
49 58Right-handed alpha
Helix 16
16
B
79 93Right-handed alpha
Helix 17
17
B
156 171Right-handed alpha
Helix 18
18
B
183 200Right-handed alpha
Helix 19
19
B
228 240Right-handed alpha
Helix 20
20
B
247 260Right-handed alpha
Helix 21
21
B
273 279Right-handed alpha
Helix 22
22
B
285 289Right-handed 310
Helix 23
23
B
290 306Right-handed alpha
Helix 24
24
B
307 310Right-handed 310
Helix 25
25
B
321 338Right-handed alpha
Helix 26
26
B
346 376Right-handed alpha
Helix 27
27
B
383 405Right-handed alpha
Helix 28
28
B
409 438Right-handed alpha
Helix 29
29
C
49 58Right-handed alpha
Helix 30
30
C
79 94Right-handed alpha
Helix 31
31
C
156 171Right-handed alpha
Helix 32
32
C
183 200Right-handed alpha
Helix 33
33
C
228 240Right-handed alpha
Helix 34
34
C
247 260Right-handed alpha
Helix 35
35
C
273 279Right-handed alpha
Helix 36
36
C
285 289Right-handed 310
Helix 37
37
C
290 306Right-handed alpha
Helix 38
38
C
307 310Right-handed 310
Helix 39
39
C
321 338Right-handed alpha
Helix 40
40
C
346 376Right-handed alpha
Helix 41
41
C
383 405Right-handed alpha
Helix 42
42
C
409 438Right-handed alpha
Helix 43
43
D
49 58Right-handed alpha
Helix 44
44
D
79 94Right-handed alpha
Helix 45
45
D
156 171Right-handed alpha
Helix 46
46
D
183 200Right-handed alpha
Helix 47
47
D
228 240Right-handed alpha
Helix 48
48
D
247 260Right-handed alpha
Helix 49
49
D
273 279Right-handed alpha
Helix 50
50
D
285 289Right-handed 310
Helix 51
51
D
290 306Right-handed alpha
Helix 52
52
D
307 310Right-handed 310
Helix 53
53
D
321 338Right-handed alpha
Helix 54
54
D
346 376Right-handed alpha
Helix 55
55
D
383 405Right-handed alpha
Helix 56
56
D
409 438Right-handed alpha
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There are 12 sheets in PDB entry 4IDQ. 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 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
A
46 48first strand
Strand 2
A
34 40anti-parallel
Strand 3
A
123 126anti-parallel
Strand 4
A
139 147anti-parallel
Strand 5
A
130 133anti-parallel
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There are 8 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
46 48first strand
Strand 2
A
34 40anti-parallel
Strand 3
A
123 126anti-parallel
Strand 4
A
139 147anti-parallel
Strand 5
A
67 74parallel
Strand 6
A
173 179parallel
Strand 7
A
209 217parallel
Strand 8
A
261 268parallel
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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
314 315first strand
Strand 2
A
318 319anti-parallel
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There are 5 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
46 48first strand
Strand 2
B
34 40anti-parallel
Strand 3
B
123 126anti-parallel
Strand 4
B
139 147anti-parallel
Strand 5
B
130 133anti-parallel
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There are 8 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
46 48first strand
Strand 2
B
34 40anti-parallel
Strand 3
B
123 126anti-parallel
Strand 4
B
139 147anti-parallel
Strand 5
B
67 74parallel
Strand 6
B
173 179parallel
Strand 7
B
209 217parallel
Strand 8
B
261 268parallel
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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
314 315first strand
Strand 2
B
318 319anti-parallel
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There are 5 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
46 48first strand
Strand 2
C
34 40anti-parallel
Strand 3
C
123 126anti-parallel
Strand 4
C
139 147anti-parallel
Strand 5
C
130 133anti-parallel
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There are 8 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
46 48first strand
Strand 2
C
34 40anti-parallel
Strand 3
C
123 126anti-parallel
Strand 4
C
139 147anti-parallel
Strand 5
C
67 74parallel
Strand 6
C
173 179parallel
Strand 7
C
209 217parallel
Strand 8
C
261 268parallel
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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
314 315first strand
Strand 2
C
318 319anti-parallel
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There are 5 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
46 48first strand
Strand 2
D
34 40anti-parallel
Strand 3
D
123 126anti-parallel
Strand 4
D
139 147anti-parallel
Strand 5
D
130 133anti-parallel
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There are 8 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
46 48first strand
Strand 2
D
34 40anti-parallel
Strand 3
D
123 126anti-parallel
Strand 4
D
139 147anti-parallel
Strand 5
D
67 74parallel
Strand 6
D
173 179parallel
Strand 7
D
209 217parallel
Strand 8
D
261 268parallel
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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
D
314 315first strand
Strand 2
D
318 319anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il