Analysis of interatomic Contacts of Structural Units in PDB entry:
4I1Y


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 4I1Y entry

There are 4 chains in PDB entry 4I1Y (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1GLU 297
B
 SER 0GLU 297
C
 PRO -2GLU 297
D
 GLY -1ARG 298
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 47 helices in PDB entry 4I1Y. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
6 11Right-handed 310
Helix 2
2
A
36 38Right-handed 310
Helix 3
3
A
43 58Right-handed alpha
Helix 4
4
A
73 87Right-handed alpha
Helix 5
5
A
99 109Right-handed alpha
Helix 6
6
A
117 119Right-handed 310
Helix 7
7
A
120 136Right-handed alpha
Helix 8
8
A
152 166Right-handed alpha
Helix 9
9
A
181 194Right-handed alpha
Helix 10
10
A
246 260Right-handed alpha
Helix 11
11
A
264 280Right-handed alpha
Helix 12
12
A
281 284Right-handed 310
Helix 13
13
B
6 11Right-handed 310
Helix 14
14
B
36 38Right-handed 310
Helix 15
15
B
43 58Right-handed alpha
Helix 16
16
B
75 87Right-handed alpha
Helix 17
17
B
99 109Right-handed alpha
Helix 18
18
B
117 119Right-handed 310
Helix 19
19
B
120 136Right-handed alpha
Helix 20
20
B
152 166Right-handed alpha
Helix 21
21
B
181 194Right-handed alpha
Helix 22
22
B
246 260Right-handed alpha
Helix 23
23
B
264 280Right-handed alpha
Helix 24
24
B
281 284Right-handed 310
Helix 25
25
C
6 11Right-handed 310
Helix 26
26
C
36 38Right-handed 310
Helix 27
27
C
43 58Right-handed alpha
Helix 28
28
C
73 87Right-handed alpha
Helix 29
29
C
99 109Right-handed alpha
Helix 30
30
C
117 119Right-handed 310
Helix 31
31
C
120 136Right-handed alpha
Helix 32
32
C
152 166Right-handed alpha
Helix 33
33
C
181 194Right-handed alpha
Helix 34
34
C
246 260Right-handed alpha
Helix 35
35
C
264 280Right-handed alpha
Helix 36
36
C
281 284Right-handed 310
Helix 37
37
D
6 11Right-handed 310
Helix 38
38
D
36 38Right-handed 310
Helix 39
39
D
43 58Right-handed alpha
Helix 40
40
D
76 87Right-handed alpha
Helix 41
41
D
99 109Right-handed alpha
Helix 42
42
D
120 136Right-handed alpha
Helix 43
43
D
152 166Right-handed alpha
Helix 44
44
D
181 194Right-handed alpha
Helix 45
45
D
247 260Right-handed alpha
Helix 46
46
D
264 280Right-handed alpha
Helix 47
47
D
281 284Right-handed 310
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There are 8 sheets in PDB entry 4I1Y. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 7 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
3 4first strand
Strand 2
D
16 18parallel
Strand 3
D
29 34anti-parallel
Strand 4
D
287 292parallel
Strand 5
D
172 176parallel
Strand 6
D
198 204parallel
Strand 7
D
239 243parallel
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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
239 242first strand
Strand 2
A
198 203parallel
Strand 3
A
172 176parallel
Strand 4
A
287 292parallel
Strand 5
A
29 34parallel
Strand 6
A
16 18anti-parallel
Strand 7
D
3 4parallel
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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
112 116first strand
Strand 2
A
89 95parallel
Strand 3
A
66 70parallel
Strand 4
A
139 140parallel
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There are 7 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
3 4first strand
Strand 2
C
16 18parallel
Strand 3
C
29 34anti-parallel
Strand 4
C
287 292parallel
Strand 5
C
172 176parallel
Strand 6
C
198 203parallel
Strand 7
C
239 242parallel
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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
239 243first strand
Strand 2
B
198 204parallel
Strand 3
B
172 176parallel
Strand 4
B
287 292parallel
Strand 5
B
29 34parallel
Strand 6
B
16 18anti-parallel
Strand 7
C
3 4parallel
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There are 4 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
112 116first strand
Strand 2
B
89 95parallel
Strand 3
B
66 70parallel
Strand 4
B
139 140parallel
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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
112 116first strand
Strand 2
C
89 95parallel
Strand 3
C
66 70parallel
Strand 4
C
139 140parallel
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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
D
112 116first strand
Strand 2
D
89 95parallel
Strand 3
D
66 70parallel
Strand 4
D
139 140parallel
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