Analysis of interatomic Contacts of Structural Units in PDB entry:
4IX2


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 4IX2 entry

There are 4 chains in PDB entry 4IX2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 3ARG 487
B
 LEU 4ARG 487
C
 LEU 4TYR 486
D
 MET 3TYR 486
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 52 helices in PDB entry 4IX2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
12 14Right-handed 310
Helix 2
2
A
26 30Right-handed 310
Helix 3
3
A
56 66Right-handed alpha
Helix 4
4
A
77 90Right-handed alpha
Helix 5
5
A
232 242Right-handed alpha
Helix 6
6
A
256 270Right-handed alpha
Helix 7
7
A
282 293Right-handed alpha
Helix 8
8
A
308 314Right-handed alpha
Helix 9
9
A
318 331Right-handed alpha
Helix 10
10
A
332 334Right-handed 310
Helix 11
11
A
345 356Right-handed alpha
Helix 12
12
A
428 447Right-handed alpha
Helix 13
13
A
451 459Right-handed alpha
Helix 14
14
A
465 473Right-handed alpha
Helix 15
15
A
483 487Right-handed 310
Helix 16
16
B
12 14Right-handed 310
Helix 17
17
B
56 66Right-handed alpha
Helix 18
18
B
77 90Right-handed alpha
Helix 19
19
B
232 242Right-handed alpha
Helix 20
20
B
256 270Right-handed alpha
Helix 21
21
B
282 293Right-handed alpha
Helix 22
22
B
308 313Right-handed alpha
Helix 23
23
B
318 334Right-handed alpha
Helix 24
24
B
346 356Right-handed alpha
Helix 25
25
B
428 448Right-handed alpha
Helix 26
26
B
451 459Right-handed alpha
Helix 27
27
B
465 473Right-handed alpha
Helix 28
28
C
12 14Right-handed 310
Helix 29
29
C
26 30Right-handed 310
Helix 30
30
C
56 65Right-handed alpha
Helix 31
31
C
77 90Right-handed alpha
Helix 32
32
C
232 242Right-handed alpha
Helix 33
33
C
256 270Right-handed alpha
Helix 34
34
C
282 293Right-handed alpha
Helix 35
35
C
308 314Right-handed alpha
Helix 36
36
C
318 331Right-handed alpha
Helix 37
37
C
345 355Right-handed alpha
Helix 38
38
C
428 448Right-handed alpha
Helix 39
39
C
451 458Right-handed alpha
Helix 40
40
C
465 471Right-handed alpha
Helix 41
41
D
12 14Right-handed 310
Helix 42
42
D
56 65Right-handed alpha
Helix 43
43
D
77 101Right-handed alpha
Helix 44
44
D
232 241Right-handed alpha
Helix 45
45
D
256 270Right-handed alpha
Helix 46
46
D
282 293Right-handed alpha
Helix 47
47
D
308 314Right-handed alpha
Helix 48
48
D
318 334Right-handed alpha
Helix 49
49
D
345 355Right-handed alpha
Helix 50
50
D
428 448Right-handed alpha
Helix 51
51
D
451 458Right-handed alpha
Helix 52
52
D
465 473Right-handed alpha
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There are 16 sheets in PDB entry 4IX2. 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,

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
6 9first strand
Strand 2
D
461 463parallel
Strand 3
D
16 18anti-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
16 18first strand
Strand 2
A
461 463anti-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
34 35first strand
Strand 2
A
41 42anti-parallel
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There are 8 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
46 48first strand
Strand 2
A
359 362parallel
Strand 3
A
337 340parallel
Strand 4
A
296 299parallel
Strand 5
A
275 280parallel
Strand 6
A
246 250parallel
Strand 7
A
223 227parallel
Strand 8
A
71 72parallel
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There are 4 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
377 379first strand
Strand 2
A
382 388anti-parallel
Strand 3
A
420 424anti-parallel
Strand 4
D
478 481anti-parallel
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There are 3 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
6 9first strand
Strand 2
C
461 463parallel
Strand 3
C
16 18anti-parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
16 18first strand
Strand 2
B
461 463anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
34 37first strand
Strand 2
B
40 42anti-parallel
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There are 8 strands in I 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
359 362parallel
Strand 3
B
337 340parallel
Strand 4
B
296 299parallel
Strand 5
B
274 280parallel
Strand 6
B
246 250parallel
Strand 7
B
223 226parallel
Strand 8
B
71 72parallel
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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
377 379first strand
Strand 2
B
382 388anti-parallel
Strand 3
B
420 424anti-parallel
Strand 4
C
478 481anti-parallel
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There are 2 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
34 35first strand
Strand 2
C
41 42anti-parallel
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There are 9 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
46 48first strand
Strand 2
C
69 72parallel
Strand 3
C
223 225parallel
Strand 4
C
246 248parallel
Strand 5
C
274 280parallel
Strand 6
C
296 299parallel
Strand 7
C
337 340parallel
Strand 8
C
359 362parallel
Strand 9
C
46 48parallel
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There are 3 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
377 379first strand
Strand 2
C
382 388anti-parallel
Strand 3
C
420 424anti-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
D
34 35first strand
Strand 2
D
41 42anti-parallel
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There are 9 strands in O 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
69 72parallel
Strand 3
D
223 225parallel
Strand 4
D
246 248parallel
Strand 5
D
274 280parallel
Strand 6
D
296 299parallel
Strand 7
D
337 340parallel
Strand 8
D
359 362parallel
Strand 9
D
46 48parallel
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There are 3 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
377 379first strand
Strand 2
D
382 388anti-parallel
Strand 3
D
420 424anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il