Analysis of interatomic Contacts of Structural Units in PDB entry:
1ECF


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 1ECF entry

There are 2 chains in PDB entry 1ECF (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 CYS 1GLN 492
B
 CYS 1MET 500
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 35 helices in PDB entry 1ECF. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
13 26Right-handed alpha
Helix 2
2
A
51 54Right-handed alpha
Helix 3
3
A
57 62Right-handed alpha
Helix 4
4
A
107 118Right-handed alpha
Helix 5
5
A
127 141Right-handed alpha
Helix 6
6
A
149 162Right-handed alpha
Helix 7
7
A
210 216Right-handed 310
Helix 8
8
A
253 257Right-handed alpha
Helix 9
9
A
271 289Right-handed alpha
Helix 10
10
A
304 316Right-handed 310
Helix 11
11
A
354 356Right-handed 310
Helix 12
12
A
373 384Right-handed alpha
Helix 13
13
A
412 414Right-handed 310
Helix 14
14
A
422 429Right-handed alpha
Helix 15
15
A
439 449Right-handed alpha
Helix 16
16
A
459 462Right-handed alpha
Helix 17
17
A
472 491Right-handed alpha
Helix 18
18
B
13 26Right-handed alpha
Helix 19
19
B
51 54Right-handed alpha
Helix 20
20
B
57 62Right-handed alpha
Helix 21
21
B
107 118Right-handed alpha
Helix 22
22
B
127 141Right-handed alpha
Helix 23
23
B
149 162Right-handed alpha
Helix 24
24
B
210 215Right-handed 310
Helix 25
25
B
253 257Right-handed alpha
Helix 26
26
B
271 289Right-handed alpha
Helix 27
27
B
306 316Right-handed alpha
Helix 28
28
B
345 349Right-handed alpha
Helix 29
29
B
354 356Right-handed 310
Helix 30
30
B
373 384Right-handed alpha
Helix 31
31
B
412 414Right-handed 310
Helix 32
32
B
422 429Right-handed alpha
Helix 33
33
B
439 449Right-handed alpha
Helix 34
34
B
459 462Right-handed alpha
Helix 35
35
B
472 498Right-handed alpha
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There are 8 sheets in PDB entry 1ECF. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 7 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
219 223first strand
Strand 2
A
191 198anti-parallel
Strand 3
A
201 207anti-parallel
Strand 4
A
2 7anti-parallel
Strand 5
A
67 73anti-parallel
Strand 6
A
30 36anti-parallel
Strand 7
A
42 48anti-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
88 90first strand
Strand 2
A
96 104anti-parallel
Strand 3
A
165 173anti-parallel
Strand 4
A
177 182anti-parallel
Strand 5
A
228 233anti-parallel
Strand 6
A
238 242anti-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
297 300first strand
Strand 2
A
362 365parallel
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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
324 326first strand
Strand 2
A
350 352anti-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
219 223first strand
Strand 2
B
191 198anti-parallel
Strand 3
B
201 207anti-parallel
Strand 4
B
2 7anti-parallel
Strand 5
B
67 73anti-parallel
Strand 6
B
30 36anti-parallel
Strand 7
B
42 48anti-parallel
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There are 6 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
88 90first strand
Strand 2
B
96 104anti-parallel
Strand 3
B
165 173anti-parallel
Strand 4
B
177 182anti-parallel
Strand 5
B
228 233anti-parallel
Strand 6
B
238 242anti-parallel
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There are 4 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
297 300first strand
Strand 2
B
362 366parallel
Strand 3
B
390 394parallel
Strand 4
B
433 436parallel
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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
324 326first strand
Strand 2
B
350 352anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il