Analysis of interatomic Contacts of Structural Units in PDB entry:
2XEC


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 2XEC entry

There are 4 chains in PDB entry 2XEC (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ILE 3VAL 248
B
 MET 1ASP 245
C
 ILE 3ASP 245
D
 GLY 2SER 246
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 52 helices in PDB entry 2XEC. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
16 26Right-handed alpha
Helix 2
2
A
46 55Right-handed alpha
Helix 3
3
A
56 65Right-handed alpha
Helix 4
4
A
66 68Right-handed 310
Helix 5
5
A
77 82Right-handed alpha
Helix 6
6
A
86 101Right-handed alpha
Helix 7
7
A
111 122Right-handed alpha
Helix 8
8
A
134 148Right-handed alpha
Helix 9
9
A
162 167Right-handed alpha
Helix 10
10
A
170 180Right-handed alpha
Helix 11
11
A
199 211Right-handed alpha
Helix 12
12
A
217 229Right-handed alpha
Helix 13
13
A
239 242Right-handed 310
Helix 14
14
A
243 248Right-handed alpha
Helix 15
15
B
16 26Right-handed alpha
Helix 16
16
B
46 55Right-handed alpha
Helix 17
17
B
56 66Right-handed alpha
Helix 18
18
B
77 82Right-handed alpha
Helix 19
19
B
86 103Right-handed alpha
Helix 20
20
B
111 122Right-handed alpha
Helix 21
21
B
134 148Right-handed alpha
Helix 22
22
B
162 167Right-handed alpha
Helix 23
23
B
170 180Right-handed alpha
Helix 24
24
B
199 201Right-handed 310
Helix 25
25
B
202 211Right-handed alpha
Helix 26
26
B
217 229Right-handed alpha
Helix 27
27
B
239 244Right-handed 310
Helix 28
28
C
15 26Right-handed alpha
Helix 29
29
C
46 55Right-handed alpha
Helix 30
30
C
56 66Right-handed alpha
Helix 31
31
C
76 81Right-handed alpha
Helix 32
32
C
86 102Right-handed alpha
Helix 33
33
C
111 122Right-handed alpha
Helix 34
34
C
134 148Right-handed alpha
Helix 35
35
C
162 167Right-handed alpha
Helix 36
36
C
170 181Right-handed alpha
Helix 37
37
C
199 201Right-handed 310
Helix 38
38
C
202 211Right-handed alpha
Helix 39
39
C
217 229Right-handed alpha
Helix 40
40
D
15 26Right-handed alpha
Helix 41
41
D
46 55Right-handed alpha
Helix 42
42
D
56 66Right-handed alpha
Helix 43
43
D
77 82Right-handed alpha
Helix 44
44
D
86 102Right-handed alpha
Helix 45
45
D
111 123Right-handed alpha
Helix 46
46
D
134 148Right-handed alpha
Helix 47
47
D
162 168Right-handed alpha
Helix 48
48
D
170 181Right-handed alpha
Helix 49
49
D
199 201Right-handed 310
Helix 50
50
D
202 211Right-handed alpha
Helix 51
51
D
217 229Right-handed alpha
Helix 52
52
D
238 243Right-handed alpha
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There are 8 sheets in PDB entry 2XEC. Click on sheet of interest to get list of strands forming it: AA, AB, BA, BB, CA, CB, A, DB,

There are 4 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
33 40first strand
Strand 2
A
4 11parallel
Strand 3
A
71 74parallel
Strand 4
A
107 110parallel
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There are 4 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
151 157first strand
Strand 2
A
126 131parallel
Strand 3
A
188 192parallel
Strand 4
A
214 216parallel
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There are 4 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
33 40first strand
Strand 2
B
4 11parallel
Strand 3
B
71 74parallel
Strand 4
B
107 110parallel
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There are 4 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
151 157first strand
Strand 2
B
126 131parallel
Strand 3
B
188 192parallel
Strand 4
B
214 216parallel
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There are 4 strands in CA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
33 40first strand
Strand 2
C
4 11parallel
Strand 3
C
71 74parallel
Strand 4
C
107 110parallel
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There are 4 strands in CB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
151 157first strand
Strand 2
C
126 131parallel
Strand 3
C
188 192parallel
Strand 4
C
214 216parallel
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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
D
32 40first strand
Strand 2
D
3 11parallel
Strand 3
D
71 74parallel
Strand 4
D
107 110parallel
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There are 4 strands in DB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
151 157first strand
Strand 2
D
126 131parallel
Strand 3
D
188 192parallel
Strand 4
D
214 216parallel
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