Analysis of interatomic Contacts of Structural Units in PDB entry:
3EC3


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 3EC3 entry

There are 2 chains in PDB entry 3EC3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 282ILE 512
B
 SER 282PRO 510
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 16 helices in PDB entry 3EC3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
290 301Right-handed alpha
Helix 2
2
A
315 329Right-handed alpha
Helix 3
3
A
339 347Right-handed alpha
Helix 4
4
A
358 362Right-handed 310
Helix 5
6
A
402 407Right-handed alpha
Helix 6
7
A
425 441Right-handed alpha
Helix 7
8
A
456 463Right-handed alpha
Helix 8
9
A
492 505Right-handed alpha
Helix 9
10
B
290 301Right-handed alpha
Helix 10
11
B
315 328Right-handed alpha
Helix 11
12
B
339 347Right-handed alpha
Helix 12
13
B
358 362Right-handed 310
Helix 13
15
B
402 407Right-handed alpha
Helix 14
16
B
425 441Right-handed alpha
Helix 15
17
B
456 463Right-handed alpha
Helix 16
18
B
492 505Right-handed alpha
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There are 4 sheets in PDB entry 3EC3. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 5 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
286 287first strand
Strand 2
A
334 337parallel
Strand 3
A
305 309parallel
Strand 4
A
352 356anti-parallel
Strand 5
A
370 373anti-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
395 398first strand
Strand 2
A
447 452parallel
Strand 3
A
412 417parallel
Strand 4
A
473 477anti-parallel
Strand 5
A
483 485anti-parallel
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There are 5 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
286 287first strand
Strand 2
B
334 337parallel
Strand 3
B
305 309parallel
Strand 4
B
352 356anti-parallel
Strand 5
B
369 373anti-parallel
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There are 5 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
395 398first strand
Strand 2
B
447 452parallel
Strand 3
B
412 417parallel
Strand 4
B
473 477anti-parallel
Strand 5
B
483 485anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il