Analysis of interatomic Contacts of Structural Units in PDB entry:
4EJ1


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 4EJ1 entry

There are 4 chains in PDB entry 4EJ1 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1ARG 159
B
 MET 1ARG 159
C
 GLN 3SER 128
D
 GLN 3SER 128
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 20 helices in PDB entry 4EJ1. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
9 13Right-handed 310
Helix 2
2
A
16 20Right-handed 310
Helix 3
3
A
24 36Right-handed alpha
Helix 4
4
A
44 51Right-handed alpha
Helix 5
5
A
77 85Right-handed alpha
Helix 6
6
A
96 104Right-handed alpha
Helix 7
7
A
105 107Right-handed 310
Helix 8
8
B
9 13Right-handed 310
Helix 9
9
B
24 36Right-handed alpha
Helix 10
10
B
44 51Right-handed alpha
Helix 11
11
B
77 85Right-handed alpha
Helix 12
12
B
96 104Right-handed alpha
Helix 13
13
B
105 107Right-handed 310
Helix 14
14
C
62 65Right-handed 310
Helix 15
15
C
87 91Right-handed 310
Helix 16
16
C
105 112Right-handed alpha
Helix 17
17
D
28 32Right-handed 310
Helix 18
18
D
74 76Right-handed 310
Helix 19
19
D
87 91Right-handed 310
Helix 20
20
D
105 112Right-handed alpha
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There are 8 sheets in PDB entry 4EJ1. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 8 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
73 75first strand
Strand 2
A
59 62parallel
Strand 3
A
40 43parallel
Strand 4
A
91 93parallel
Strand 5
A
2 8parallel
Strand 6
A
109 115parallel
Strand 7
A
151 158anti-parallel
Strand 8
A
133 141anti-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
B
73 75first strand
Strand 2
B
59 62parallel
Strand 3
B
40 43parallel
Strand 4
B
91 93parallel
Strand 5
B
2 8parallel
Strand 6
B
109 115parallel
Strand 7
B
151 158anti-parallel
Strand 8
B
133 141anti-parallel
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There are 4 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
4 7first strand
Strand 2
C
18 24anti-parallel
Strand 3
C
78 83anti-parallel
Strand 4
C
68 73anti-parallel
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There are 6 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
11 13first strand
Strand 2
C
122 127parallel
Strand 3
C
92 99anti-parallel
Strand 4
C
34 39anti-parallel
Strand 5
C
46 51anti-parallel
Strand 6
C
58 60anti-parallel
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There are 4 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
11 13first strand
Strand 2
C
122 127parallel
Strand 3
C
92 99anti-parallel
Strand 4
C
115 118anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
4 7first strand
Strand 2
D
18 24anti-parallel
Strand 3
D
78 83anti-parallel
Strand 4
D
68 73anti-parallel
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There are 6 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
10 12first strand
Strand 2
D
122 126parallel
Strand 3
D
92 99anti-parallel
Strand 4
D
34 39anti-parallel
Strand 5
D
45 51anti-parallel
Strand 6
D
58 60anti-parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
10 12first strand
Strand 2
D
122 126parallel
Strand 3
D
92 99anti-parallel
Strand 4
D
115 118anti-parallel
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