Analysis of interatomic Contacts of Structural Units in PDB entry:
4EZ1


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 4EZ1 entry

There are 10 chains in PDB entry 4EZ1 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LEU 0ARG 207
B
 LEU 0ARG 207
C
 ASP -4ARG 207
D
 ASP -4ARG 207
E
 SER 2ARG 207
K
 GLY 1CYS 13
L
 GLY 1CYS 13
M
 GLY 1CYS 13
N
 GLY 1CYS 13
O
 GLY 1CYS 13
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 23 helices in PDB entry 4EZ1. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
0 12Right-handed alpha
Helix 2
2
A
68 73Right-handed 310
Helix 3
3
A
83 85Right-handed 310
Helix 4
4
B
1 14Right-handed alpha
Helix 5
5
B
63 66Right-handed 310
Helix 6
6
B
68 73Right-handed 310
Helix 7
7
B
83 85Right-handed 310
Helix 8
8
C
-3 14Right-handed alpha
Helix 9
9
C
63 66Right-handed 310
Helix 10
10
C
68 73Right-handed 310
Helix 11
11
C
83 85Right-handed 310
Helix 12
12
D
-3 14Right-handed alpha
Helix 13
13
D
63 66Right-handed 310
Helix 14
14
D
68 73Right-handed 310
Helix 15
15
D
83 85Right-handed 310
Helix 16
16
E
3 14Right-handed alpha
Helix 17
17
E
68 73Right-handed 310
Helix 18
18
E
83 85Right-handed 310
Helix 19
19
K
5 13Right-handed alpha
Helix 20
20
L
5 13Right-handed alpha
Helix 21
21
M
5 13Right-handed alpha
Helix 22
22
N
5 13Right-handed alpha
Helix 23
23
O
5 13Right-handed alpha
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There are 15 sheets in PDB entry 4EZ1. 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,

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 81first strand
Strand 2
A
106 110anti-parallel
Strand 3
A
112 117anti-parallel
Strand 4
A
49 66anti-parallel
Strand 5
A
120 126anti-parallel
Strand 6
A
100 101anti-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
77 81first strand
Strand 2
A
106 110anti-parallel
Strand 3
A
112 117anti-parallel
Strand 4
A
49 66anti-parallel
Strand 5
A
29 44anti-parallel
Strand 6
A
154 157parallel
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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
A
90 92first strand
Strand 2
A
138 146anti-parallel
Strand 3
A
195 206anti-parallel
Strand 4
A
174 186anti-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
B
77 81first strand
Strand 2
B
106 110anti-parallel
Strand 3
B
114 117anti-parallel
Strand 4
B
49 61anti-parallel
Strand 5
B
120 126anti-parallel
Strand 6
B
100 101anti-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 81first strand
Strand 2
B
106 110anti-parallel
Strand 3
B
114 117anti-parallel
Strand 4
B
49 61anti-parallel
Strand 5
B
29 44anti-parallel
Strand 6
B
154 157parallel
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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
B
90 92first strand
Strand 2
B
138 146anti-parallel
Strand 3
B
194 206anti-parallel
Strand 4
B
174 187anti-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
C
77 81first strand
Strand 2
C
106 110anti-parallel
Strand 3
C
114 117anti-parallel
Strand 4
C
49 61anti-parallel
Strand 5
C
120 126anti-parallel
Strand 6
C
100 101anti-parallel
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There are 6 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
77 81first strand
Strand 2
C
106 110anti-parallel
Strand 3
C
114 117anti-parallel
Strand 4
C
49 61anti-parallel
Strand 5
C
29 44anti-parallel
Strand 6
C
154 157parallel
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There are 4 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
90 92first strand
Strand 2
C
138 146anti-parallel
Strand 3
C
195 206anti-parallel
Strand 4
C
174 186anti-parallel
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There are 6 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
77 81first strand
Strand 2
D
106 110anti-parallel
Strand 3
D
114 117anti-parallel
Strand 4
D
49 61anti-parallel
Strand 5
D
120 126anti-parallel
Strand 6
D
100 101anti-parallel
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There are 6 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
77 81first strand
Strand 2
D
106 110anti-parallel
Strand 3
D
114 117anti-parallel
Strand 4
D
49 61anti-parallel
Strand 5
D
29 44anti-parallel
Strand 6
D
154 157parallel
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There are 4 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
90 92first strand
Strand 2
D
138 146anti-parallel
Strand 3
D
195 206anti-parallel
Strand 4
D
174 186anti-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
E
77 81first strand
Strand 2
E
106 110anti-parallel
Strand 3
E
112 117anti-parallel
Strand 4
E
49 66anti-parallel
Strand 5
E
120 126anti-parallel
Strand 6
E
100 101anti-parallel
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There are 6 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
77 81first strand
Strand 2
E
106 110anti-parallel
Strand 3
E
112 117anti-parallel
Strand 4
E
49 66anti-parallel
Strand 5
E
29 44anti-parallel
Strand 6
E
154 158parallel
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There are 4 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
90 92first strand
Strand 2
E
138 146anti-parallel
Strand 3
E
195 206anti-parallel
Strand 4
E
174 186anti-parallel
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