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


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 4MEA entry

There are 2 chains in PDB entry 4MEA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 25PHE 348
B
 TYR 26PHE 348
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 36 helices in PDB entry 4MEA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
36 50Right-handed alpha
Helix 2
2
A
52 56Right-handed 310
Helix 3
3
A
94 97Right-handed 310
Helix 4
4
A
98 106Right-handed alpha
Helix 5
5
A
131 148Right-handed alpha
Helix 6
6
A
159 171Right-handed alpha
Helix 7
7
A
187 192Right-handed 310
Helix 8
8
A
204 210Right-handed alpha
Helix 9
9
A
214 223Right-handed alpha
Helix 10
10
A
223 236Right-handed alpha
Helix 11
11
A
238 242Right-handed 310
Helix 12
12
A
243 252Right-handed alpha
Helix 13
13
A
253 255Right-handed 310
Helix 14
14
A
256 269Right-handed alpha
Helix 15
15
A
269 283Right-handed alpha
Helix 16
16
A
302 312Right-handed alpha
Helix 17
17
A
315 317Right-handed 310
Helix 18
18
A
330 348Right-handed alpha
Helix 19
19
B
36 50Right-handed alpha
Helix 20
20
B
52 56Right-handed 310
Helix 21
21
B
94 97Right-handed 310
Helix 22
22
B
98 106Right-handed alpha
Helix 23
23
B
131 148Right-handed alpha
Helix 24
24
B
158 171Right-handed alpha
Helix 25
25
B
187 192Right-handed 310
Helix 26
26
B
204 210Right-handed alpha
Helix 27
27
B
214 223Right-handed alpha
Helix 28
28
B
223 236Right-handed alpha
Helix 29
29
B
238 242Right-handed 310
Helix 30
30
B
243 252Right-handed alpha
Helix 31
31
B
253 255Right-handed 310
Helix 32
32
B
256 269Right-handed alpha
Helix 33
33
B
269 283Right-handed alpha
Helix 34
34
B
302 312Right-handed alpha
Helix 35
35
B
315 317Right-handed 310
Helix 36
36
B
330 348Right-handed alpha
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There are 4 sheets in PDB entry 4MEA. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
61 68first strand
Strand 2
A
71 78anti-parallel
Strand 3
A
111 114anti-parallel
Strand 4
A
85 88parallel
Strand 5
A
152 157parallel
Strand 6
A
175 181parallel
Strand 7
A
291 296parallel
Strand 8
A
319 324parallel
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There are 2 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
196 197first strand
Strand 2
A
200 201anti-parallel
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There are 8 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
62 68first strand
Strand 2
B
71 78anti-parallel
Strand 3
B
111 114anti-parallel
Strand 4
B
85 88parallel
Strand 5
B
152 157parallel
Strand 6
B
175 181parallel
Strand 7
B
291 296parallel
Strand 8
B
319 324parallel
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There are 2 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
196 197first strand
Strand 2
B
200 201anti-parallel
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