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


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 3EXI entry

There are 2 chains in PDB entry 3EXI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER -9SER 361
B
 LEU 1ILE 329
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 28 helices in PDB entry 3EXI. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
29 55Right-handed alpha
Helix 2
2
A
68 78Right-handed alpha
Helix 3
3
A
91 98Right-handed alpha
Helix 4
4
A
101 110Right-handed alpha
Helix 5
5
A
140 156Right-handed alpha
Helix 6
6
A
168 170Right-handed 310
Helix 7
7
A
172 186Right-handed alpha
Helix 8
8
A
212 216Right-handed 310
Helix 9
9
A
229 246Right-handed alpha
Helix 10
10
A
286 298Right-handed alpha
Helix 11
11
A
302 327Right-handed alpha
Helix 12
12
A
331 335Right-handed 310
Helix 13
13
B
5 20Right-handed alpha
Helix 14
14
B
42 51Right-handed alpha
Helix 15
15
B
58 72Right-handed alpha
Helix 16
16
B
82 88Right-handed 310
Helix 17
17
B
89 95Right-handed alpha
Helix 18
18
B
99 104Right-handed alpha
Helix 19
19
B
125 129Right-handed 310
Helix 20
20
B
132 138Right-handed alpha
Helix 21
21
B
149 163Right-handed alpha
Helix 22
22
B
183 188Right-handed alpha
Helix 23
23
B
214 228Right-handed alpha
Helix 24
24
B
245 257Right-handed alpha
Helix 25
25
B
270 282Right-handed alpha
Helix 26
26
B
284 288Right-handed 310
Helix 27
27
B
305 311Right-handed alpha
Helix 28
28
B
315 328Right-handed alpha
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There are 6 sheets in PDB entry 3EXI. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 2 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
4 8first strand
Strand 2
A
24 28anti-parallel
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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
13 15first strand
Strand 2
A
222 226anti-parallel
Strand 3
A
251 257parallel
Strand 4
A
189 196parallel
Strand 5
A
161 166parallel
Strand 6
A
84 86parallel
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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
346 349first strand
Strand 2
A
356 359anti-parallel
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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
B
2 4first strand
Strand 2
B
179 181anti-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
52 54first strand
Strand 2
B
23 27parallel
Strand 3
B
75 79parallel
Strand 4
B
113 117parallel
Strand 5
B
167 171parallel
Strand 6
B
143 145parallel
Strand 7
B
240 242anti-parallel
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There are 5 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
199 202first strand
Strand 2
B
233 237anti-parallel
Strand 3
B
207 211parallel
Strand 4
B
259 262parallel
Strand 5
B
293 295parallel
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