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


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 3IAA entry

There are 2 chains in PDB entry 3IAA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MSE 1ALA 396
B
 MSE 1ALA 396
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 48 helices in PDB entry 3IAA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
11 16Right-handed alpha
Helix 2
2
A
18 28Right-handed alpha
Helix 3
3
A
37 39Right-handed 310
Helix 4
4
A
40 47Right-handed alpha
Helix 5
5
A
57 61Right-handed 310
Helix 6
6
A
62 69Right-handed alpha
Helix 7
7
A
73 96Right-handed alpha
Helix 8
8
A
109 121Right-handed alpha
Helix 9
9
A
138 148Right-handed alpha
Helix 10
10
A
151 154Right-handed 310
Helix 11
11
A
155 169Right-handed alpha
Helix 12
12
A
174 180Right-handed alpha
Helix 13
13
A
197 201Right-handed 310
Helix 14
14
A
215 219Right-handed 310
Helix 15
15
A
242 253Right-handed alpha
Helix 16
16
A
269 274Right-handed 310
Helix 17
17
A
287 294Right-handed alpha
Helix 18
18
A
303 313Right-handed alpha
Helix 19
19
A
323 325Right-handed 310
Helix 20
20
A
326 336Right-handed alpha
Helix 21
21
A
343 347Right-handed 310
Helix 22
22
A
348 361Right-handed alpha
Helix 23
23
A
362 379Right-handed alpha
Helix 24
24
A
380 396Right-handed alpha
Helix 25
25
B
11 16Right-handed alpha
Helix 26
26
B
18 28Right-handed alpha
Helix 27
27
B
37 39Right-handed 310
Helix 28
28
B
40 47Right-handed alpha
Helix 29
29
B
57 61Right-handed 310
Helix 30
30
B
62 67Right-handed alpha
Helix 31
31
B
73 96Right-handed alpha
Helix 32
32
B
109 121Right-handed alpha
Helix 33
33
B
140 148Right-handed alpha
Helix 34
34
B
151 154Right-handed 310
Helix 35
35
B
155 169Right-handed alpha
Helix 36
36
B
174 180Right-handed alpha
Helix 37
37
B
197 201Right-handed 310
Helix 38
38
B
215 219Right-handed 310
Helix 39
39
B
242 253Right-handed alpha
Helix 40
40
B
269 274Right-handed 310
Helix 41
41
B
287 294Right-handed alpha
Helix 42
42
B
303 313Right-handed alpha
Helix 43
43
B
323 325Right-handed 310
Helix 44
44
B
326 336Right-handed alpha
Helix 45
45
B
343 347Right-handed 310
Helix 46
46
B
348 361Right-handed alpha
Helix 47
47
B
362 379Right-handed alpha
Helix 48
48
B
381 396Right-handed alpha
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There are 4 sheets in PDB entry 3IAA. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
50 53first strand
Strand 2
A
31 36parallel
Strand 3
A
3 7parallel
Strand 4
A
102 106parallel
Strand 5
A
124 128parallel
Strand 6
A
186 188parallel
Strand 7
A
205 206parallel
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There are 6 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
280 283first strand
Strand 2
A
259 263parallel
Strand 3
A
230 234parallel
Strand 4
A
295 300parallel
Strand 5
A
317 319parallel
Strand 6
A
339 341parallel
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There are 7 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
50 53first strand
Strand 2
B
31 36parallel
Strand 3
B
3 7parallel
Strand 4
B
102 106parallel
Strand 5
B
124 128parallel
Strand 6
B
186 188parallel
Strand 7
B
205 207parallel
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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
B
280 283first strand
Strand 2
B
259 263parallel
Strand 3
B
230 234parallel
Strand 4
B
297 300parallel
Strand 5
B
317 319parallel
Strand 6
B
339 341parallel
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