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


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 3ECK entry

There are 4 chains in PDB entry 3ECK (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 4GLY 362
B
 GLU 4GLY 362
C
 ILE 5GLY 362
D
 ILE 5GLY 362
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 32 helices in PDB entry 3ECK. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
27 37Right-handed alpha
Helix 2
2
A
84 97Right-handed alpha
Helix 3
3
A
162 173Right-handed alpha
Helix 4
4
A
221 235Right-handed alpha
Helix 5
5
A
237 239Right-handed 310
Helix 6
6
A
301 307Right-handed alpha
Helix 7
7
A
328 334Right-handed alpha
Helix 8
8
A
355 357Right-handed 310
Helix 9
9
B
27 36Right-handed alpha
Helix 10
10
B
84 97Right-handed alpha
Helix 11
11
B
162 173Right-handed alpha
Helix 12
12
B
221 235Right-handed alpha
Helix 13
13
B
237 239Right-handed 310
Helix 14
14
B
301 307Right-handed alpha
Helix 15
15
B
328 334Right-handed alpha
Helix 16
16
B
355 357Right-handed 310
Helix 17
17
C
27 36Right-handed alpha
Helix 18
18
C
83 97Right-handed alpha
Helix 19
19
C
162 173Right-handed alpha
Helix 20
20
C
221 235Right-handed alpha
Helix 21
21
C
237 239Right-handed 310
Helix 22
22
C
301 307Right-handed alpha
Helix 23
23
C
328 335Right-handed alpha
Helix 24
24
C
355 357Right-handed 310
Helix 25
25
D
27 36Right-handed alpha
Helix 26
26
D
83 97Right-handed alpha
Helix 27
27
D
162 173Right-handed alpha
Helix 28
28
D
221 235Right-handed alpha
Helix 29
29
D
237 239Right-handed 310
Helix 30
30
D
301 307Right-handed alpha
Helix 31
31
D
328 334Right-handed alpha
Helix 32
32
D
355 357Right-handed 310
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There are 15 sheets in PDB entry 3ECK. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O,

There are 8 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
42 46first strand
Strand 2
A
50 54anti-parallel
Strand 3
A
64 68anti-parallel
Strand 4
A
15 25parallel
Strand 5
A
73 81anti-parallel
Strand 6
A
125 129parallel
Strand 7
A
115 119anti-parallel
Strand 8
A
101 104anti-parallel
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There are 9 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
241 247first strand
Strand 2
A
254 259anti-parallel
Strand 3
A
265 270anti-parallel
Strand 4
A
211 218parallel
Strand 5
A
152 160anti-parallel
Strand 6
A
202 206parallel
Strand 7
A
188 194anti-parallel
Strand 8
A
176 182anti-parallel
Strand 9
A
283 286parallel
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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
339 340first strand
Strand 2
A
351 352anti-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
A
359 361first strand
Strand 2
C
359 361anti-parallel
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There are 8 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
42 46first strand
Strand 2
B
50 54anti-parallel
Strand 3
B
64 68anti-parallel
Strand 4
B
15 25parallel
Strand 5
B
73 81anti-parallel
Strand 6
B
125 129parallel
Strand 7
B
115 119anti-parallel
Strand 8
B
101 104anti-parallel
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There are 9 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
241 247first strand
Strand 2
B
254 259anti-parallel
Strand 3
B
265 270anti-parallel
Strand 4
B
211 218parallel
Strand 5
B
152 160anti-parallel
Strand 6
B
202 206parallel
Strand 7
B
188 194anti-parallel
Strand 8
B
176 182anti-parallel
Strand 9
B
283 286parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
339 340first strand
Strand 2
B
351 352anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
359 361first strand
Strand 2
D
359 361anti-parallel
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There are 8 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
42 46first strand
Strand 2
C
50 54anti-parallel
Strand 3
C
64 68anti-parallel
Strand 4
C
15 25parallel
Strand 5
C
73 81anti-parallel
Strand 6
C
125 129parallel
Strand 7
C
115 119anti-parallel
Strand 8
C
101 104anti-parallel
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There are 9 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
241 247first strand
Strand 2
C
254 259anti-parallel
Strand 3
C
265 270anti-parallel
Strand 4
C
211 218parallel
Strand 5
C
152 160anti-parallel
Strand 6
C
202 206parallel
Strand 7
C
188 194anti-parallel
Strand 8
C
176 182anti-parallel
Strand 9
C
283 286parallel
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There are 5 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
241 247first strand
Strand 2
C
254 259anti-parallel
Strand 3
C
265 270anti-parallel
Strand 4
C
211 218parallel
Strand 5
C
309 310anti-parallel
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There are 2 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
339 340first strand
Strand 2
C
351 352anti-parallel
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There are 8 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
42 46first strand
Strand 2
D
50 54anti-parallel
Strand 3
D
64 68anti-parallel
Strand 4
D
15 25parallel
Strand 5
D
73 81anti-parallel
Strand 6
D
125 129parallel
Strand 7
D
115 119anti-parallel
Strand 8
D
101 104anti-parallel
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There are 9 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
241 247first strand
Strand 2
D
254 259anti-parallel
Strand 3
D
265 270anti-parallel
Strand 4
D
211 218parallel
Strand 5
D
152 160anti-parallel
Strand 6
D
202 206parallel
Strand 7
D
188 194anti-parallel
Strand 8
D
176 182anti-parallel
Strand 9
D
283 286parallel
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There are 2 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
339 340first strand
Strand 2
D
351 352anti-parallel
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