Analysis of interatomic Contacts of Structural Units in PDB entry:
4I8C


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 4I8C entry

There are 3 chains in PDB entry 4I8C (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 2VAL 500
B
 PRO 3LYS 501
C
 ASP 4PRO 499
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 59 helices in PDB entry 4I8C. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
26 34Right-handed alpha
Helix 2
2
A
80 93Right-handed alpha
Helix 3
3
A
94 99Right-handed 310
Helix 4
4
A
101 106Right-handed alpha
Helix 5
5
A
128 135Right-handed alpha
Helix 6
6
A
143 145Right-handed 310
Helix 7
7
A
201 211Right-handed alpha
Helix 8
8
A
225 234Right-handed alpha
Helix 9
9
A
262 273Right-handed alpha
Helix 10
10
A
274 283Right-handed alpha
Helix 11
11
A
311 322Right-handed alpha
Helix 12
12
A
350 366Right-handed alpha
Helix 13
13
A
377 388Right-handed alpha
Helix 14
14
A
404 411Right-handed alpha
Helix 15
15
A
417 423Right-handed alpha
Helix 16
16
A
427 441Right-handed alpha
Helix 17
17
A
443 461Right-handed alpha
Helix 18
18
A
478 481Right-handed 310
Helix 19
19
A
493 497Right-handed 310
Helix 20
20
B
26 34Right-handed alpha
Helix 21
21
B
80 93Right-handed alpha
Helix 22
22
B
94 99Right-handed 310
Helix 23
23
B
101 106Right-handed alpha
Helix 24
24
B
128 134Right-handed alpha
Helix 25
25
B
143 147Right-handed 310
Helix 26
26
B
201 211Right-handed alpha
Helix 27
27
B
225 234Right-handed alpha
Helix 28
28
B
262 273Right-handed alpha
Helix 29
29
B
274 283Right-handed alpha
Helix 30
30
B
311 322Right-handed alpha
Helix 31
31
B
350 366Right-handed alpha
Helix 32
32
B
377 388Right-handed alpha
Helix 33
33
B
404 410Right-handed alpha
Helix 34
34
B
411 413Right-handed 310
Helix 35
35
B
417 422Right-handed alpha
Helix 36
36
B
427 441Right-handed alpha
Helix 37
37
B
443 461Right-handed alpha
Helix 38
38
B
478 481Right-handed 310
Helix 39
39
B
493 497Right-handed 310
Helix 40
40
C
26 34Right-handed alpha
Helix 41
41
C
80 93Right-handed alpha
Helix 42
42
C
94 99Right-handed 310
Helix 43
43
C
101 105Right-handed 310
Helix 44
44
C
128 134Right-handed alpha
Helix 45
45
C
143 145Right-handed 310
Helix 46
46
C
201 211Right-handed alpha
Helix 47
47
C
225 235Right-handed alpha
Helix 48
48
C
262 273Right-handed alpha
Helix 49
49
C
274 283Right-handed alpha
Helix 50
50
C
311 322Right-handed alpha
Helix 51
51
C
350 366Right-handed alpha
Helix 52
52
C
377 388Right-handed alpha
Helix 53
53
C
404 410Right-handed alpha
Helix 54
54
C
411 413Right-handed 310
Helix 55
55
C
417 422Right-handed alpha
Helix 56
56
C
427 441Right-handed alpha
Helix 57
57
C
443 461Right-handed alpha
Helix 58
58
C
478 481Right-handed 310
Helix 59
59
C
493 497Right-handed 310
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There are 20 sheets in PDB entry 4I8C. 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,

There are 4 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
5 10first strand
Strand 2
A
193 198parallel
Strand 3
A
175 180anti-parallel
Strand 4
A
165 171anti-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
38 40first strand
Strand 2
A
46 48anti-parallel
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There are 4 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
51 56first strand
Strand 2
A
62 67anti-parallel
Strand 3
A
117 122anti-parallel
Strand 4
A
107 112anti-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
147 148first strand
Strand 2
A
151 156anti-parallel
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There are 3 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
216 219first strand
Strand 2
A
473 476anti-parallel
Strand 3
A
239 242anti-parallel
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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
288 289first strand
Strand 2
A
464 470anti-parallel
Strand 3
A
247 253anti-parallel
Strand 4
A
392 396anti-parallel
Strand 5
A
341 347parallel
Strand 6
A
370 376parallel
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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
A
334 335first strand
Strand 2
A
338 339anti-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
B
5 10first strand
Strand 2
B
193 198parallel
Strand 3
B
175 180anti-parallel
Strand 4
B
165 171anti-parallel
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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
B
38 40first strand
Strand 2
B
46 48anti-parallel
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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
51 56first strand
Strand 2
B
62 67anti-parallel
Strand 3
B
117 122anti-parallel
Strand 4
B
107 112anti-parallel
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There are 3 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
216 220first strand
Strand 2
B
472 476anti-parallel
Strand 3
B
239 242anti-parallel
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There are 5 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
370 376first strand
Strand 2
B
341 347parallel
Strand 3
B
392 396parallel
Strand 4
B
247 253anti-parallel
Strand 5
B
464 470anti-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
B
334 335first strand
Strand 2
B
338 339anti-parallel
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There are 4 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
6 10first strand
Strand 2
C
193 198parallel
Strand 3
C
175 180anti-parallel
Strand 4
C
165 171anti-parallel
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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
38 40first strand
Strand 2
C
46 48anti-parallel
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There are 4 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
51 56first strand
Strand 2
C
62 67anti-parallel
Strand 3
C
117 122anti-parallel
Strand 4
C
107 112anti-parallel
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There are 2 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
147 148first strand
Strand 2
C
151 156anti-parallel
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There are 3 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
216 220first strand
Strand 2
C
464 476anti-parallel
Strand 3
C
288 289anti-parallel
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There are 6 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
216 220first strand
Strand 2
C
464 476anti-parallel
Strand 3
C
239 253anti-parallel
Strand 4
C
392 396anti-parallel
Strand 5
C
341 347parallel
Strand 6
C
370 376parallel
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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
334 335first strand
Strand 2
C
338 339anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il