Analysis of interatomic Contacts of Structural Units in PDB entry:
4I2N


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 4I2N entry

There are 6 chains in PDB entry 4I2N (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 5GLN 285
B
 MET 5GLN 285
C
 MET 5GLN 285
D
 MET 5GLN 285
E
 MET 5GLN 285
F
 MET 5GLN 285
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 79 helices in PDB entry 4I2N. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
23 31Right-handed alpha
Helix 2
2
A
76 90Right-handed alpha
Helix 3
3
A
107 111Right-handed 310
Helix 4
4
A
115 131Right-handed alpha
Helix 5
5
A
135 142Right-handed alpha
Helix 6
6
A
157 162Right-handed 310
Helix 7
7
A
163 166Right-handed 310
Helix 8
8
A
167 180Right-handed alpha
Helix 9
9
A
189 198Right-handed 310
Helix 10
10
A
200 204Right-handed 310
Helix 11
11
A
212 217Right-handed alpha
Helix 12
12
A
218 223Right-handed 310
Helix 13
13
A
232 240Right-handed alpha
Helix 14
14
A
267 284Right-handed alpha
Helix 15
15
B
23 31Right-handed alpha
Helix 16
16
B
76 90Right-handed alpha
Helix 17
17
B
107 111Right-handed 310
Helix 18
18
B
115 131Right-handed alpha
Helix 19
19
B
135 142Right-handed alpha
Helix 20
20
B
157 162Right-handed 310
Helix 21
21
B
163 166Right-handed 310
Helix 22
22
B
167 180Right-handed alpha
Helix 23
23
B
189 198Right-handed 310
Helix 24
24
B
212 217Right-handed alpha
Helix 25
25
B
218 223Right-handed 310
Helix 26
26
B
232 240Right-handed alpha
Helix 27
27
B
267 284Right-handed alpha
Helix 28
28
C
23 31Right-handed alpha
Helix 29
29
C
76 90Right-handed alpha
Helix 30
30
C
107 111Right-handed 310
Helix 31
31
C
115 131Right-handed alpha
Helix 32
32
C
135 142Right-handed alpha
Helix 33
33
C
157 162Right-handed 310
Helix 34
34
C
163 166Right-handed 310
Helix 35
35
C
167 180Right-handed alpha
Helix 36
36
C
189 198Right-handed 310
Helix 37
37
C
212 219Right-handed alpha
Helix 38
38
C
220 223Right-handed 310
Helix 39
39
C
232 240Right-handed alpha
Helix 40
40
C
267 284Right-handed alpha
Helix 41
41
D
23 31Right-handed alpha
Helix 42
42
D
76 90Right-handed alpha
Helix 43
43
D
107 111Right-handed 310
Helix 44
44
D
115 131Right-handed alpha
Helix 45
45
D
135 142Right-handed alpha
Helix 46
46
D
157 162Right-handed 310
Helix 47
47
D
163 166Right-handed 310
Helix 48
48
D
167 180Right-handed alpha
Helix 49
49
D
189 198Right-handed 310
Helix 50
50
D
212 217Right-handed alpha
Helix 51
51
D
218 223Right-handed 310
Helix 52
52
D
232 240Right-handed alpha
Helix 53
53
D
267 284Right-handed alpha
Helix 54
54
E
23 31Right-handed alpha
Helix 55
55
E
76 90Right-handed alpha
Helix 56
56
E
107 111Right-handed 310
Helix 57
57
E
115 131Right-handed alpha
Helix 58
58
E
135 142Right-handed alpha
Helix 59
59
E
157 162Right-handed 310
Helix 60
60
E
163 166Right-handed 310
Helix 61
61
E
167 180Right-handed alpha
Helix 62
62
E
189 198Right-handed 310
Helix 63
63
E
212 217Right-handed alpha
Helix 64
64
E
218 223Right-handed 310
Helix 65
65
E
232 240Right-handed alpha
Helix 66
66
E
267 284Right-handed alpha
Helix 67
67
F
23 31Right-handed alpha
Helix 68
68
F
76 90Right-handed alpha
Helix 69
69
F
107 111Right-handed 310
Helix 70
70
F
115 131Right-handed alpha
Helix 71
71
F
135 140Right-handed alpha
Helix 72
72
F
157 162Right-handed 310
Helix 73
73
F
163 166Right-handed 310
Helix 74
74
F
167 180Right-handed alpha
Helix 75
75
F
189 198Right-handed 310
Helix 76
76
F
212 217Right-handed alpha
Helix 77
77
F
218 223Right-handed 310
Helix 78
78
F
232 240Right-handed alpha
Helix 79
79
F
267 284Right-handed alpha
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There are 18 sheets in PDB entry 4I2N. 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,

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
11 12first strand
Strand 2
A
19 21anti-parallel
Strand 3
A
70 72parallel
Strand 4
A
62 64anti-parallel
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There are 7 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
133 134first strand
Strand 2
A
93 98parallel
Strand 3
A
52 56parallel
Strand 4
A
149 154parallel
Strand 5
A
183 187parallel
Strand 6
A
259 262parallel
Strand 7
A
253 256anti-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
207 208first strand
Strand 2
A
243 244parallel
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There are 4 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
11 12first strand
Strand 2
B
19 21anti-parallel
Strand 3
B
70 72parallel
Strand 4
B
62 64anti-parallel
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There are 7 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
133 134first strand
Strand 2
B
93 98parallel
Strand 3
B
52 56parallel
Strand 4
B
149 154parallel
Strand 5
B
183 187parallel
Strand 6
B
259 262parallel
Strand 7
B
253 256anti-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
207 208first strand
Strand 2
B
243 244parallel
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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
C
11 12first strand
Strand 2
C
19 21anti-parallel
Strand 3
C
70 72parallel
Strand 4
C
62 64anti-parallel
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There are 7 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
133 134first strand
Strand 2
C
93 98parallel
Strand 3
C
52 56parallel
Strand 4
C
149 154parallel
Strand 5
C
183 187parallel
Strand 6
C
259 262parallel
Strand 7
C
253 256anti-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
C
207 208first strand
Strand 2
C
243 244parallel
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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
D
11 12first strand
Strand 2
D
19 21anti-parallel
Strand 3
D
70 72parallel
Strand 4
D
62 64anti-parallel
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There are 7 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
133 134first strand
Strand 2
D
93 98parallel
Strand 3
D
52 56parallel
Strand 4
D
149 154parallel
Strand 5
D
183 187parallel
Strand 6
D
259 262parallel
Strand 7
D
253 256anti-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
D
207 208first strand
Strand 2
D
243 244parallel
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There are 4 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
11 12first strand
Strand 2
E
19 21anti-parallel
Strand 3
E
70 72parallel
Strand 4
E
62 64anti-parallel
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There are 7 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
133 134first strand
Strand 2
E
93 98parallel
Strand 3
E
52 56parallel
Strand 4
E
149 154parallel
Strand 5
E
183 187parallel
Strand 6
E
259 262parallel
Strand 7
E
253 256anti-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
E
207 208first strand
Strand 2
E
243 244parallel
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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
F
11 12first strand
Strand 2
F
19 21anti-parallel
Strand 3
F
70 72parallel
Strand 4
F
62 64anti-parallel
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There are 7 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
133 134first strand
Strand 2
F
93 98parallel
Strand 3
F
52 56parallel
Strand 4
F
149 154parallel
Strand 5
F
183 187parallel
Strand 6
F
259 262parallel
Strand 7
F
253 256anti-parallel
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There are 2 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
207 208first strand
Strand 2
F
243 244parallel
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