Analysis of interatomic Contacts of Structural Units in PDB entry:
4ECK


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 4ECK entry

There are 2 chains in PDB entry 4ECK (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 3VAL 610
B
 LYS 3VAL 610
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 30 helices in PDB entry 4ECK. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
28 40Right-handed alpha
Helix 2
2
A
81 86Right-handed alpha
Helix 3
3
A
129 136Right-handed alpha
Helix 4
4
A
155 162Right-handed alpha
Helix 5
5
A
287 289Right-handed 310
Helix 6
6
A
290 295Right-handed alpha
Helix 7
7
A
324 338Right-handed alpha
Helix 8
8
A
374 388Right-handed alpha
Helix 9
9
A
392 397Right-handed alpha
Helix 10
10
A
403 407Right-handed 310
Helix 11
11
A
408 414Right-handed alpha
Helix 12
12
A
428 436Right-handed alpha
Helix 13
13
A
453 463Right-handed alpha
Helix 14
14
A
516 536Right-handed alpha
Helix 15
15
A
556 564Right-handed alpha
Helix 16
16
B
28 38Right-handed alpha
Helix 17
17
B
81 85Right-handed alpha
Helix 18
18
B
129 135Right-handed alpha
Helix 19
19
B
157 162Right-handed alpha
Helix 20
20
B
290 299Right-handed alpha
Helix 21
21
B
324 338Right-handed alpha
Helix 22
22
B
374 388Right-handed alpha
Helix 23
23
B
391 397Right-handed alpha
Helix 24
24
B
408 414Right-handed alpha
Helix 25
25
B
428 435Right-handed alpha
Helix 26
26
B
453 465Right-handed alpha
Helix 27
27
B
480 484Right-handed 310
Helix 28
28
B
516 536Right-handed alpha
Helix 29
29
B
555 557Right-handed 310
Helix 30
30
B
558 563Right-handed alpha
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There are 12 sheets in PDB entry 4ECK. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 4 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
9 11first strand
Strand 2
A
166 174parallel
Strand 3
A
241 250anti-parallel
Strand 4
A
227 232anti-parallel
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There are 8 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
125 126first strand
Strand 2
A
97 102parallel
Strand 3
A
75 80parallel
Strand 4
A
148 150parallel
Strand 5
A
5 7parallel
Strand 6
A
166 174parallel
Strand 7
A
241 250anti-parallel
Strand 8
A
236 238anti-parallel
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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
16 18first strand
Strand 2
A
182 183anti-parallel
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There are 4 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
339 341first strand
Strand 2
A
349 351anti-parallel
Strand 3
A
542 553anti-parallel
Strand 4
A
355 360anti-parallel
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There are 5 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
339 341first strand
Strand 2
A
349 351anti-parallel
Strand 3
A
542 553anti-parallel
Strand 4
A
503 513parallel
Strand 5
A
490 497anti-parallel
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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
573 576first strand
Strand 2
A
593 596anti-parallel
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There are 8 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
124 127first strand
Strand 2
B
98 102parallel
Strand 3
B
76 80parallel
Strand 4
B
148 150parallel
Strand 5
B
5 11parallel
Strand 6
B
167 174parallel
Strand 7
B
241 250anti-parallel
Strand 8
B
227 228anti-parallel
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There are 8 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
124 127first strand
Strand 2
B
98 102parallel
Strand 3
B
76 80parallel
Strand 4
B
148 150parallel
Strand 5
B
5 11parallel
Strand 6
B
167 174parallel
Strand 7
B
241 250anti-parallel
Strand 8
B
236 238anti-parallel
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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
16 18first strand
Strand 2
B
182 183anti-parallel
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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
339 341first strand
Strand 2
B
349 351anti-parallel
Strand 3
B
542 553anti-parallel
Strand 4
B
356 360anti-parallel
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There are 6 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
339 341first strand
Strand 2
B
349 351anti-parallel
Strand 3
B
542 553anti-parallel
Strand 4
B
503 513parallel
Strand 5
B
490 497anti-parallel
Strand 6
B
472 474anti-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
B
573 576first strand
Strand 2
B
593 596anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il