Analysis of interatomic Contacts of Structural Units in PDB entry:
4AP2


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 4AP2 entry

There are 2 chains in PDB entry 4AP2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 67ILE 336
B
 ARG 17ASN 381
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 38 helices in PDB entry 4AP2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
75 90Right-handed alpha
Helix 2
2
A
111 119Right-handed alpha
Helix 3
3
A
121 126Right-handed alpha
Helix 4
4
A
131 136Right-handed alpha
Helix 5
5
A
150 164Right-handed alpha
Helix 6
6
A
172 183Right-handed alpha
Helix 7
7
A
185 199Right-handed alpha
Helix 8
8
A
204 215Right-handed alpha
Helix 9
9
A
217 229Right-handed alpha
Helix 10
10
A
231 236Right-handed alpha
Helix 11
11
A
238 244Right-handed 310
Helix 12
12
A
245 255Right-handed alpha
Helix 13
13
A
262 277Right-handed alpha
Helix 14
14
A
277 282Right-handed alpha
Helix 15
15
A
284 292Right-handed alpha
Helix 16
16
A
298 305Right-handed alpha
Helix 17
17
A
309 315Right-handed alpha
Helix 18
18
A
315 336Right-handed alpha
Helix 19
19
B
26 46Right-handed alpha
Helix 20
20
B
53 67Right-handed alpha
Helix 21
21
B
69 88Right-handed alpha
Helix 22
22
B
88 95Right-handed alpha
Helix 23
23
B
100 123Right-handed alpha
Helix 24
24
B
123 134Right-handed alpha
Helix 25
25
B
138 151Right-handed alpha
Helix 26
26
B
155 174Right-handed alpha
Helix 27
27
B
179 193Right-handed alpha
Helix 28
28
B
198 205Right-handed alpha
Helix 29
29
B
205 228Right-handed alpha
Helix 30
30
B
229 251Right-handed alpha
Helix 31
31
B
253 255Right-handed 310
Helix 32
32
B
256 269Right-handed alpha
Helix 33
33
B
272 278Right-handed alpha
Helix 34
34
B
283 290Right-handed alpha
Helix 35
35
B
292 304Right-handed alpha
Helix 36
36
B
308 331Right-handed alpha
Helix 37
37
B
338 359Right-handed alpha
Helix 38
38
B
363 381Right-handed alpha
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There is 1 sheet ( AA) in PDB entry 4AP2.

There are 3 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
107 110first strand
Strand 2
A
96 99anti-parallel
Strand 3
A
137 139parallel
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