Analysis of interatomic Contacts of Structural Units in PDB entry:
3I4C


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 3I4C entry

There are 6 chains in PDB entry 3I4C (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1PRO 347
B
 MET 1PRO 347
C
 MET 1PRO 347
D
 MET 1PRO 347
E
 MET 1PRO 347
H
 MET 1PRO 347
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 86 helices in PDB entry 3I4C. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
39 47Right-handed alpha
Helix 2
2
A
101 106Right-handed alpha
Helix 3
3
A
108 112Right-handed 310
Helix 4
4
A
134 136Right-handed 310
Helix 5
5
A
145 150Right-handed alpha
Helix 6
6
A
151 153Right-handed 310
Helix 7
7
A
154 166Right-handed alpha
Helix 8
8
A
181 195Right-handed alpha
Helix 9
9
A
205 215Right-handed alpha
Helix 10
10
A
227 236Right-handed alpha
Helix 11
11
A
250 257Right-handed alpha
Helix 12
12
A
281 288Right-handed alpha
Helix 13
13
A
298 311Right-handed alpha
Helix 14
14
A
323 325Right-handed 310
Helix 15
15
A
326 336Right-handed alpha
Helix 16
16
B
39 45Right-handed alpha
Helix 17
17
B
101 106Right-handed alpha
Helix 18
18
B
108 112Right-handed 310
Helix 19
19
B
134 136Right-handed 310
Helix 20
20
B
145 150Right-handed alpha
Helix 21
21
B
151 153Right-handed 310
Helix 22
22
B
154 166Right-handed alpha
Helix 23
23
B
181 195Right-handed alpha
Helix 24
24
B
205 216Right-handed alpha
Helix 25
25
B
227 236Right-handed alpha
Helix 26
26
B
250 257Right-handed alpha
Helix 27
27
B
281 288Right-handed alpha
Helix 28
28
B
298 311Right-handed alpha
Helix 29
29
B
326 332Right-handed alpha
Helix 30
30
C
101 106Right-handed alpha
Helix 31
31
C
108 112Right-handed 310
Helix 32
32
C
134 136Right-handed 310
Helix 33
33
C
145 150Right-handed alpha
Helix 34
34
C
151 153Right-handed 310
Helix 35
35
C
154 166Right-handed alpha
Helix 36
36
C
181 195Right-handed alpha
Helix 37
37
C
205 216Right-handed alpha
Helix 38
38
C
227 236Right-handed alpha
Helix 39
39
C
250 257Right-handed alpha
Helix 40
40
C
281 288Right-handed alpha
Helix 41
41
C
298 311Right-handed alpha
Helix 42
42
C
323 325Right-handed 310
Helix 43
43
C
326 333Right-handed alpha
Helix 44
44
D
39 45Right-handed alpha
Helix 45
45
D
101 106Right-handed alpha
Helix 46
46
D
108 112Right-handed 310
Helix 47
47
D
134 136Right-handed 310
Helix 48
48
D
145 150Right-handed alpha
Helix 49
49
D
151 153Right-handed 310
Helix 50
50
D
154 166Right-handed alpha
Helix 51
51
D
181 195Right-handed alpha
Helix 52
52
D
205 216Right-handed alpha
Helix 53
53
D
227 236Right-handed alpha
Helix 54
54
D
250 257Right-handed alpha
Helix 55
55
D
281 288Right-handed alpha
Helix 56
56
D
298 311Right-handed alpha
Helix 57
57
D
326 336Right-handed alpha
Helix 58
58
E
39 46Right-handed alpha
Helix 59
59
E
101 106Right-handed alpha
Helix 60
60
E
108 112Right-handed 310
Helix 61
61
E
134 136Right-handed 310
Helix 62
62
E
145 150Right-handed alpha
Helix 63
63
E
151 153Right-handed 310
Helix 64
64
E
154 166Right-handed alpha
Helix 65
65
E
181 195Right-handed alpha
Helix 66
66
E
205 216Right-handed alpha
Helix 67
67
E
227 236Right-handed alpha
Helix 68
68
E
250 257Right-handed alpha
Helix 69
69
E
280 288Right-handed alpha
Helix 70
70
E
298 311Right-handed alpha
Helix 71
71
E
326 333Right-handed alpha
Helix 72
72
H
39 46Right-handed alpha
Helix 73
73
H
101 106Right-handed alpha
Helix 74
74
H
108 112Right-handed 310
Helix 75
75
H
134 136Right-handed 310
Helix 76
76
H
145 150Right-handed alpha
Helix 77
77
H
151 153Right-handed 310
Helix 78
78
H
154 166Right-handed alpha
Helix 79
79
H
181 195Right-handed alpha
Helix 80
80
H
205 216Right-handed alpha
Helix 81
81
H
227 236Right-handed alpha
Helix 82
82
H
250 257Right-handed alpha
Helix 83
83
H
280 288Right-handed alpha
Helix 84
84
H
298 311Right-handed alpha
Helix 85
85
H
323 325Right-handed 310
Helix 86
86
H
326 335Right-handed alpha
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There are 30 sheets in PDB entry 3I4C. 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, U, V, W, X, Y, Z, AA, AB, AC, AD,

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
14 17first strand
Strand 2
A
2 6anti-parallel
Strand 3
A
64 65anti-parallel
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There are 5 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
129 132first strand
Strand 2
A
28 37anti-parallel
Strand 3
A
69 77anti-parallel
Strand 4
A
89 92anti-parallel
Strand 5
A
138 140anti-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
129 132first strand
Strand 2
A
28 37anti-parallel
Strand 3
A
342 345anti-parallel
Strand 4
A
319 322parallel
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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
95 96first strand
Strand 2
A
116 117anti-parallel
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There are 12 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
219 222first strand
Strand 2
A
198 203parallel
Strand 3
A
173 177parallel
Strand 4
A
241 247parallel
Strand 5
A
261 270parallel
Strand 6
A
290 294parallel
Strand 7
B
290 294anti-parallel
Strand 8
B
261 270parallel
Strand 9
B
241 247parallel
Strand 10
B
173 177parallel
Strand 11
B
198 203parallel
Strand 12
B
219 222parallel
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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
A
276 280first strand
Strand 2
B
276 280anti-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
5 6first strand
Strand 2
B
64 65anti-parallel
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There are 5 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
129 132first strand
Strand 2
B
28 36anti-parallel
Strand 3
B
69 77anti-parallel
Strand 4
B
89 92anti-parallel
Strand 5
B
138 140anti-parallel
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There are 4 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
129 132first strand
Strand 2
B
28 36anti-parallel
Strand 3
B
344 346anti-parallel
Strand 4
B
321 323parallel
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There are 2 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
95 96first strand
Strand 2
B
116 117anti-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
2 5first strand
Strand 2
C
14 17anti-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
C
129 132first strand
Strand 2
C
28 37anti-parallel
Strand 3
C
69 77anti-parallel
Strand 4
C
89 92anti-parallel
Strand 5
C
138 140anti-parallel
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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
C
129 132first strand
Strand 2
C
28 37anti-parallel
Strand 3
C
343 345anti-parallel
Strand 4
C
320 322parallel
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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
C
95 96first strand
Strand 2
C
116 117anti-parallel
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There are 12 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
219 222first strand
Strand 2
C
198 203parallel
Strand 3
C
173 177parallel
Strand 4
C
241 247parallel
Strand 5
C
261 270parallel
Strand 6
C
290 294parallel
Strand 7
D
290 294anti-parallel
Strand 8
D
261 270parallel
Strand 9
D
241 247parallel
Strand 10
D
173 177parallel
Strand 11
D
198 203parallel
Strand 12
D
219 222parallel
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There are 2 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
276 280first strand
Strand 2
D
276 280anti-parallel
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There are 3 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
14 17first strand
Strand 2
D
2 6anti-parallel
Strand 3
D
64 65anti-parallel
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There are 5 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
129 132first strand
Strand 2
D
28 37anti-parallel
Strand 3
D
69 77anti-parallel
Strand 4
D
89 92anti-parallel
Strand 5
D
138 140anti-parallel
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There are 4 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
129 132first strand
Strand 2
D
28 37anti-parallel
Strand 3
D
343 346anti-parallel
Strand 4
D
320 323parallel
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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
D
95 96first strand
Strand 2
D
116 117anti-parallel
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There are 3 strands in U sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
14 17first strand
Strand 2
E
2 6anti-parallel
Strand 3
E
64 65anti-parallel
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There are 5 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
129 132first strand
Strand 2
E
28 37anti-parallel
Strand 3
E
69 77anti-parallel
Strand 4
E
89 92anti-parallel
Strand 5
E
138 140anti-parallel
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There are 4 strands in W sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
129 132first strand
Strand 2
E
28 37anti-parallel
Strand 3
E
342 346anti-parallel
Strand 4
E
319 323parallel
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There are 2 strands in X sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
95 96first strand
Strand 2
E
116 117anti-parallel
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There are 6 strands in Y sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
219 222first strand
Strand 2
E
198 203parallel
Strand 3
E
173 177parallel
Strand 4
E
241 247parallel
Strand 5
E
261 270parallel
Strand 6
E
290 294parallel
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There are 3 strands in Z sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
14 17first strand
Strand 2
H
2 6anti-parallel
Strand 3
H
64 65anti-parallel
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There are 5 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
129 132first strand
Strand 2
H
28 37anti-parallel
Strand 3
H
69 77anti-parallel
Strand 4
H
89 92anti-parallel
Strand 5
H
138 140anti-parallel
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There are 4 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
129 132first strand
Strand 2
H
28 37anti-parallel
Strand 3
H
342 345anti-parallel
Strand 4
H
319 322parallel
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There are 2 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
95 96first strand
Strand 2
H
116 117anti-parallel
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There are 6 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
219 222first strand
Strand 2
H
198 203parallel
Strand 3
H
173 177parallel
Strand 4
H
241 247parallel
Strand 5
H
261 270parallel
Strand 6
H
290 294parallel
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