Analysis of interatomic Contacts of Structural Units in PDB entry:
1EZ4


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 1EZ4 entry

There are 4 chains in PDB entry 1EZ4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 16ASN 334
B
 SER 16LYS 335
C
 SER 16ASN 334
D
 SER 16LYS 335
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 60 helices in PDB entry 1EZ4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
29 43Right-handed alpha
Helix 2
2
A
54 67Right-handed alpha
Helix 3
3
A
68 72Right-handed 310
Helix 4
4
A
82 87Right-handed 310
Helix 5
5
A
109 127Right-handed alpha
Helix 6
6
A
139 152Right-handed alpha
Helix 7
7
A
154 156Right-handed 310
Helix 8
8
A
163 179Right-handed alpha
Helix 9
9
A
181 183Right-handed 310
Helix 10
10
A
201 203Right-handed 310
Helix 11
11
A
211 218Right-handed alpha
Helix 12
12
A
222 245Right-handed alpha
Helix 13
13
A
248 264Right-handed alpha
Helix 14
14
A
279 281Right-handed 310
Helix 15
15
A
307 333Right-handed alpha
Helix 16
16
B
29 43Right-handed alpha
Helix 17
17
B
54 67Right-handed alpha
Helix 18
18
B
68 72Right-handed 310
Helix 19
19
B
82 87Right-handed 310
Helix 20
20
B
105 127Right-handed alpha
Helix 21
21
B
139 152Right-handed alpha
Helix 22
22
B
154 156Right-handed 310
Helix 23
23
B
163 179Right-handed alpha
Helix 24
24
B
181 183Right-handed 310
Helix 25
25
B
201 203Right-handed 310
Helix 26
26
B
211 218Right-handed alpha
Helix 27
27
B
222 245Right-handed alpha
Helix 28
28
B
248 264Right-handed alpha
Helix 29
29
B
279 281Right-handed 310
Helix 30
30
B
307 333Right-handed alpha
Helix 31
31
C
29 43Right-handed alpha
Helix 32
32
C
54 67Right-handed alpha
Helix 33
33
C
68 72Right-handed 310
Helix 34
34
C
82 87Right-handed 310
Helix 35
35
C
109 127Right-handed alpha
Helix 36
36
C
139 152Right-handed alpha
Helix 37
37
C
154 156Right-handed 310
Helix 38
38
C
163 179Right-handed alpha
Helix 39
39
C
181 183Right-handed 310
Helix 40
40
C
201 203Right-handed 310
Helix 41
41
C
211 218Right-handed alpha
Helix 42
42
C
222 245Right-handed alpha
Helix 43
43
C
248 264Right-handed alpha
Helix 44
44
C
279 281Right-handed 310
Helix 45
45
C
307 333Right-handed alpha
Helix 46
46
D
29 43Right-handed alpha
Helix 47
47
D
54 67Right-handed alpha
Helix 48
48
D
68 72Right-handed 310
Helix 49
49
D
82 87Right-handed 310
Helix 50
50
D
105 127Right-handed alpha
Helix 51
51
D
139 152Right-handed alpha
Helix 52
52
D
154 156Right-handed 310
Helix 53
53
D
163 179Right-handed alpha
Helix 54
54
D
181 183Right-handed 310
Helix 55
55
D
201 203Right-handed 310
Helix 56
56
D
211 218Right-handed alpha
Helix 57
57
D
222 245Right-handed alpha
Helix 58
58
D
248 264Right-handed alpha
Helix 59
59
D
279 281Right-handed 310
Helix 60
60
D
307 333Right-handed alpha
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There are 16 sheets in PDB entry 1EZ4. 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, P,

There are 6 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
77 80first strand
Strand 2
A
47 51parallel
Strand 3
A
22 26parallel
Strand 4
A
91 94parallel
Strand 5
A
132 135parallel
Strand 6
A
158 160parallel
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There are 3 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
185 186first strand
Strand 2
A
205 206anti-parallel
Strand 3
A
209 210anti-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
189 190first strand
Strand 2
A
198 199anti-parallel
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There are 3 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
268 277first strand
Strand 2
A
283 294anti-parallel
Strand 3
A
297 301anti-parallel
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There are 6 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
77 80first strand
Strand 2
B
47 51parallel
Strand 3
B
22 26parallel
Strand 4
B
91 94parallel
Strand 5
B
132 135parallel
Strand 6
B
158 160parallel
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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
B
185 186first strand
Strand 2
B
205 206anti-parallel
Strand 3
B
209 210anti-parallel
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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
189 190first strand
Strand 2
B
198 199anti-parallel
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There are 3 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
268 277first strand
Strand 2
B
283 294anti-parallel
Strand 3
B
297 301anti-parallel
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There are 6 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
77 80first strand
Strand 2
C
47 51parallel
Strand 3
C
22 26parallel
Strand 4
C
91 94parallel
Strand 5
C
132 135parallel
Strand 6
C
158 160parallel
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There are 3 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
185 186first strand
Strand 2
C
205 206anti-parallel
Strand 3
C
209 210anti-parallel
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There are 2 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
189 190first strand
Strand 2
C
198 199anti-parallel
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There are 3 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
268 277first strand
Strand 2
C
283 294anti-parallel
Strand 3
C
297 301anti-parallel
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There are 6 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
77 80first strand
Strand 2
D
47 51parallel
Strand 3
D
22 26parallel
Strand 4
D
91 94parallel
Strand 5
D
132 135parallel
Strand 6
D
158 160parallel
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There are 3 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
185 186first strand
Strand 2
D
205 206anti-parallel
Strand 3
D
209 210anti-parallel
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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
189 190first strand
Strand 2
D
198 199anti-parallel
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There are 3 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
268 277first strand
Strand 2
D
283 294anti-parallel
Strand 3
D
297 301anti-parallel
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