Analysis of interatomic Contacts of Structural Units in PDB entry:
4I2R


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 4I2R entry

There are 4 chains in PDB entry 4I2R (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 18ILE 500
B
 SER 18ILE 500
C
 SER 18ILE 500
D
 SER 18ILE 500
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 83 helices in PDB entry 4I2R. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
53 68Right-handed alpha
Helix 2
2
A
70 75Right-handed alpha
Helix 3
3
A
76 93Right-handed alpha
Helix 4
4
A
94 107Right-handed alpha
Helix 5
5
A
109 116Right-handed alpha
Helix 6
6
A
116 135Right-handed alpha
Helix 7
7
A
170 185Right-handed alpha
Helix 8
8
A
198 211Right-handed alpha
Helix 9
9
A
228 235Right-handed alpha
Helix 10
10
A
247 258Right-handed alpha
Helix 11
11
A
282 296Right-handed alpha
Helix 12
12
A
297 300Right-handed 310
Helix 13
13
A
312 328Right-handed alpha
Helix 14
14
A
346 363Right-handed alpha
Helix 15
15
A
378 383Right-handed 310
Helix 16
16
A
398 403Right-handed alpha
Helix 17
17
A
417 427Right-handed alpha
Helix 18
18
A
440 449Right-handed alpha
Helix 19
19
A
473 475Right-handed 310
Helix 20
20
A
483 490Right-handed alpha
Helix 21
21
B
53 68Right-handed alpha
Helix 22
22
B
69 75Right-handed 310
Helix 23
23
B
76 93Right-handed alpha
Helix 24
24
B
94 107Right-handed alpha
Helix 25
25
B
109 116Right-handed alpha
Helix 26
26
B
116 135Right-handed alpha
Helix 27
27
B
170 185Right-handed alpha
Helix 28
28
B
198 211Right-handed alpha
Helix 29
29
B
228 236Right-handed alpha
Helix 30
30
B
247 259Right-handed alpha
Helix 31
31
B
260 262Right-handed 310
Helix 32
32
B
282 296Right-handed alpha
Helix 33
33
B
297 300Right-handed 310
Helix 34
34
B
314 328Right-handed alpha
Helix 35
35
B
346 363Right-handed alpha
Helix 36
36
B
378 383Right-handed 310
Helix 37
37
B
398 403Right-handed alpha
Helix 38
38
B
417 427Right-handed alpha
Helix 39
39
B
440 449Right-handed alpha
Helix 40
40
B
483 490Right-handed alpha
Helix 41
41
C
53 68Right-handed alpha
Helix 42
42
C
69 70Right-handed 310
Helix 43
43
C
71 75Right-handed 310
Helix 44
44
C
76 93Right-handed alpha
Helix 45
45
C
94 107Right-handed alpha
Helix 46
46
C
109 116Right-handed alpha
Helix 47
47
C
116 135Right-handed alpha
Helix 48
48
C
170 185Right-handed alpha
Helix 49
49
C
198 212Right-handed alpha
Helix 50
50
C
228 236Right-handed alpha
Helix 51
51
C
247 258Right-handed alpha
Helix 52
52
C
282 296Right-handed alpha
Helix 53
53
C
297 300Right-handed 310
Helix 54
54
C
314 328Right-handed alpha
Helix 55
55
C
346 363Right-handed alpha
Helix 56
56
C
378 383Right-handed 310
Helix 57
57
C
398 403Right-handed alpha
Helix 58
58
C
417 427Right-handed alpha
Helix 59
59
C
440 449Right-handed alpha
Helix 60
60
C
473 475Right-handed 310
Helix 61
61
C
483 490Right-handed alpha
Helix 62
62
D
53 68Right-handed alpha
Helix 63
63
D
69 70Right-handed 310
Helix 64
64
D
71 75Right-handed 310
Helix 65
65
D
76 94Right-handed alpha
Helix 66
66
D
94 107Right-handed alpha
Helix 67
67
D
109 116Right-handed alpha
Helix 68
68
D
116 135Right-handed alpha
Helix 69
69
D
170 185Right-handed alpha
Helix 70
70
D
198 211Right-handed alpha
Helix 71
71
D
228 236Right-handed alpha
Helix 72
72
D
247 259Right-handed alpha
Helix 73
73
D
260 262Right-handed 310
Helix 74
74
D
282 296Right-handed alpha
Helix 75
75
D
297 300Right-handed 310
Helix 76
76
D
312 329Right-handed alpha
Helix 77
77
D
346 363Right-handed alpha
Helix 78
78
D
378 383Right-handed 310
Helix 79
79
D
398 402Right-handed 310
Helix 80
80
D
417 427Right-handed alpha
Helix 81
81
D
440 449Right-handed alpha
Helix 82
82
D
473 475Right-handed 310
Helix 83
83
D
483 490Right-handed alpha
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There are 15 sheets in PDB entry 4I2R. 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,

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
19 20first strand
Strand 2
A
45 51parallel
Strand 3
A
33 38anti-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
22 24first strand
Strand 2
A
27 29anti-parallel
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There are 20 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
366 369first strand
Strand 2
B
389 392anti-parallel
Strand 3
B
409 415parallel
Strand 4
B
305 311parallel
Strand 5
B
273 277parallel
Strand 6
B
433 437parallel
Strand 7
B
455 458parallel
Strand 8
A
491 499parallel
Strand 9
A
150 158anti-parallel
Strand 10
A
137 142anti-parallel
Strand 11
C
137 142anti-parallel
Strand 12
C
150 158anti-parallel
Strand 13
C
491 499anti-parallel
Strand 14
D
455 458parallel
Strand 15
D
433 437parallel
Strand 16
D
273 277parallel
Strand 17
D
305 311parallel
Strand 18
D
409 415parallel
Strand 19
D
389 392parallel
Strand 20
D
366 369anti-parallel
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There are 6 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
218 220first strand
Strand 2
A
188 192parallel
Strand 3
A
161 165parallel
Strand 4
A
241 245parallel
Strand 5
A
264 268parallel
Strand 6
A
477 478anti-parallel
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There are 20 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
366 369first strand
Strand 2
A
389 392anti-parallel
Strand 3
A
409 415parallel
Strand 4
A
305 311parallel
Strand 5
A
273 277parallel
Strand 6
A
433 437parallel
Strand 7
A
455 458parallel
Strand 8
B
491 499parallel
Strand 9
B
150 158anti-parallel
Strand 10
B
137 142anti-parallel
Strand 11
D
137 142anti-parallel
Strand 12
D
150 158anti-parallel
Strand 13
D
491 499anti-parallel
Strand 14
C
455 458parallel
Strand 15
C
433 437parallel
Strand 16
C
273 277parallel
Strand 17
C
305 311parallel
Strand 18
C
409 415parallel
Strand 19
C
389 392parallel
Strand 20
C
366 369anti-parallel
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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
22 24first strand
Strand 2
B
27 29anti-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
33 38first strand
Strand 2
B
45 51anti-parallel
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There are 6 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
218 220first strand
Strand 2
B
188 192parallel
Strand 3
B
161 165parallel
Strand 4
B
241 245parallel
Strand 5
B
264 268parallel
Strand 6
B
477 478anti-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
430 431first strand
Strand 2
B
473 474anti-parallel
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There are 3 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
19 20first strand
Strand 2
C
45 50parallel
Strand 3
C
34 38anti-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
22 24first strand
Strand 2
C
27 29anti-parallel
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There are 6 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
218 220first strand
Strand 2
C
188 192parallel
Strand 3
C
161 165parallel
Strand 4
C
241 245parallel
Strand 5
C
264 268parallel
Strand 6
C
477 478anti-parallel
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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
D
19 20first strand
Strand 2
D
45 50parallel
Strand 3
D
34 38anti-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
22 24first strand
Strand 2
D
27 29anti-parallel
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There are 6 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
218 220first strand
Strand 2
D
188 192parallel
Strand 3
D
161 165parallel
Strand 4
D
241 245parallel
Strand 5
D
264 268parallel
Strand 6
D
477 478anti-parallel
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