Analysis of interatomic Contacts of Structural Units in PDB entry:
3EX3


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 3EX3 entry

There are 2 chains in PDB entry 3EX3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 223GLY 479
B
 MET 223GLY 479
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 26 helices in PDB entry 3EX3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
226 231Right-handed alpha
Helix 2
2
A
237 251Right-handed alpha
Helix 3
3
A
262 274Right-handed alpha
Helix 4
4
A
275 277Right-handed 310
Helix 5
5
A
283 287Right-handed 310
Helix 6
6
A
291 306Right-handed alpha
Helix 7
7
A
318 328Right-handed alpha
Helix 8
8
A
332 336Right-handed 310
Helix 9
9
A
348 359Right-handed alpha
Helix 10
10
A
380 392Right-handed alpha
Helix 11
11
A
434 440Right-handed alpha
Helix 12
12
A
450 455Right-handed alpha
Helix 13
13
A
458 479Right-handed alpha
Helix 14
14
B
226 231Right-handed alpha
Helix 15
15
B
237 251Right-handed alpha
Helix 16
16
B
262 274Right-handed alpha
Helix 17
17
B
275 277Right-handed 310
Helix 18
18
B
283 287Right-handed 310
Helix 19
19
B
291 306Right-handed alpha
Helix 20
20
B
318 328Right-handed alpha
Helix 21
21
B
332 337Right-handed alpha
Helix 22
22
B
348 359Right-handed alpha
Helix 23
23
B
380 392Right-handed alpha
Helix 24
24
B
434 440Right-handed alpha
Helix 25
25
B
450 455Right-handed alpha
Helix 26
26
B
458 479Right-handed alpha
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There are 4 sheets in PDB entry 3EX3. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 9 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
254 257first strand
Strand 2
A
279 282parallel
Strand 3
A
308 315parallel
Strand 4
A
339 343parallel
Strand 5
A
364 368parallel
Strand 6
A
397 401parallel
Strand 7
A
413 416parallel
Strand 8
A
446 449parallel
Strand 9
A
254 257parallel
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There are 2 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
424 425first strand
Strand 2
A
431 432anti-parallel
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There are 9 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
254 257first strand
Strand 2
B
279 282parallel
Strand 3
B
308 315parallel
Strand 4
B
339 343parallel
Strand 5
B
364 368parallel
Strand 6
B
397 401parallel
Strand 7
B
413 416parallel
Strand 8
B
446 449parallel
Strand 9
B
254 257parallel
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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
424 425first strand
Strand 2
B
431 432anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il