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


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 3ERC entry

There are 8 chains in PDB entry 3ERC (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1PRO 297
B
 MET 1PRO 297
C
 ASN 12PHE 479
D
 ASN 12PHE 479
E
 C 601 C 605
F
 C 606 C 610
G
 C 500 C 503
I
 C 700 C 704
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 66 helices in PDB entry 3ERC. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
12 16Right-handed 310
Helix 2
2
A
37 56Right-handed alpha
Helix 3
3
A
74 85Right-handed alpha
Helix 4
4
A
100 104Right-handed 310
Helix 5
5
A
117 129Right-handed alpha
Helix 6
6
A
149 168Right-handed alpha
Helix 7
7
A
180 184Right-handed 310
Helix 8
8
A
225 242Right-handed alpha
Helix 9
9
A
257 268Right-handed alpha
Helix 10
10
A
278 295Right-handed alpha
Helix 11
11
B
12 16Right-handed 310
Helix 12
12
B
37 56Right-handed alpha
Helix 13
13
B
74 85Right-handed alpha
Helix 14
14
B
100 104Right-handed 310
Helix 15
15
B
117 129Right-handed alpha
Helix 16
16
B
149 168Right-handed alpha
Helix 17
17
B
180 184Right-handed 310
Helix 18
18
B
225 242Right-handed alpha
Helix 19
19
B
257 268Right-handed alpha
Helix 20
20
B
278 295Right-handed alpha
Helix 21
21
C
12 23Right-handed alpha
Helix 22
22
C
27 36Right-handed alpha
Helix 23
23
C
37 46Right-handed alpha
Helix 24
24
C
48 64Right-handed alpha
Helix 25
25
C
70 82Right-handed alpha
Helix 26
26
C
83 87Right-handed 310
Helix 27
27
C
90 112Right-handed alpha
Helix 28
28
C
113 116Right-handed 310
Helix 29
29
C
131 133Right-handed 310
Helix 30
30
C
134 146Right-handed alpha
Helix 31
31
C
163 179Right-handed alpha
Helix 32
32
C
187 193Right-handed alpha
Helix 33
33
C
209 225Right-handed alpha
Helix 34
34
C
258 265Right-handed alpha
Helix 35
35
C
277 289Right-handed alpha
Helix 36
36
C
291 296Right-handed alpha
Helix 37
37
C
303 320Right-handed alpha
Helix 38
38
C
349 351Right-handed 310
Helix 39
39
C
362 373Right-handed alpha
Helix 40
40
C
381 386Right-handed alpha
Helix 41
41
C
391 395Right-handed 310
Helix 42
42
C
413 431Right-handed alpha
Helix 43
43
C
435 445Right-handed alpha
Helix 44
44
D
12 23Right-handed alpha
Helix 45
45
D
27 36Right-handed alpha
Helix 46
46
D
37 46Right-handed alpha
Helix 47
47
D
48 64Right-handed alpha
Helix 48
48
D
70 82Right-handed alpha
Helix 49
49
D
83 87Right-handed 310
Helix 50
50
D
90 112Right-handed alpha
Helix 51
51
D
113 116Right-handed 310
Helix 52
52
D
131 133Right-handed 310
Helix 53
53
D
134 146Right-handed alpha
Helix 54
54
D
163 179Right-handed alpha
Helix 55
55
D
187 193Right-handed alpha
Helix 56
56
D
209 225Right-handed alpha
Helix 57
57
D
258 265Right-handed alpha
Helix 58
58
D
277 289Right-handed alpha
Helix 59
59
D
291 296Right-handed alpha
Helix 60
60
D
303 320Right-handed alpha
Helix 61
61
D
349 351Right-handed 310
Helix 62
62
D
362 373Right-handed alpha
Helix 63
63
D
381 386Right-handed alpha
Helix 64
64
D
391 395Right-handed 310
Helix 65
65
D
413 431Right-handed alpha
Helix 66
66
D
435 445Right-handed alpha
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There are 13 sheets in PDB entry 3ERC. 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,

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
109 112first strand
Strand 2
A
90 94parallel
Strand 3
A
63 67parallel
Strand 4
A
133 137parallel
Strand 5
A
171 174parallel
Strand 6
A
208 213anti-parallel
Strand 7
A
194 197anti-parallel
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There are 4 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
188 191first strand
Strand 2
A
219 224anti-parallel
Strand 3
B
218 224anti-parallel
Strand 4
B
188 191anti-parallel
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There are 7 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
109 112first strand
Strand 2
B
90 94parallel
Strand 3
B
63 67parallel
Strand 4
B
133 137parallel
Strand 5
B
171 174parallel
Strand 6
B
208 213anti-parallel
Strand 7
B
194 197anti-parallel
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There are 7 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
184 186first strand
Strand 2
C
204 207anti-parallel
Strand 3
C
252 256parallel
Strand 4
C
240 244anti-parallel
Strand 5
C
230 233anti-parallel
Strand 6
C
468 471anti-parallel
Strand 7
C
476 478anti-parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
267 269first strand
Strand 2
C
274 276anti-parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
346 347first strand
Strand 2
C
356 360anti-parallel
Strand 3
C
396 399parallel
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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
C
379 380first strand
Strand 2
C
388 389anti-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
C
406 408first strand
Strand 2
C
411 412anti-parallel
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There are 7 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
184 186first strand
Strand 2
D
204 207anti-parallel
Strand 3
D
252 256parallel
Strand 4
D
240 244anti-parallel
Strand 5
D
230 233anti-parallel
Strand 6
D
468 471anti-parallel
Strand 7
D
476 478anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
267 269first strand
Strand 2
D
274 276anti-parallel
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There are 3 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
346 347first strand
Strand 2
D
356 360anti-parallel
Strand 3
D
396 399parallel
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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
D
379 380first strand
Strand 2
D
388 389anti-parallel
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There are 2 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
406 408first strand
Strand 2
D
411 412anti-parallel
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