Analysis of interatomic Contacts of Structural Units in PDB entry:
1R4L


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 1R4L entry

There are 5 chains in PDB entry 1R4L (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 19ASP 615
B
 UNK 901UNK 906
C
 UNK 907UNK 926
D
 UNK 927UNK 944
E
 UNK 945UNK 958
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 34 helices in PDB entry 1R4L. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
24 29Right-handed alpha
Helix 2
2
A
29 51Right-handed alpha
Helix 3
3
A
56 82Right-handed alpha
Helix 4
4
A
90 102Right-handed alpha
Helix 5
5
A
104 108Right-handed 310
Helix 6
6
A
112 128Right-handed alpha
Helix 7
7
A
147 155Right-handed alpha
Helix 8
8
A
157 193Right-handed alpha
Helix 9
9
A
198 204Right-handed alpha
Helix 10
10
A
205 208Right-handed 310
Helix 11
11
A
218 232Right-handed alpha
Helix 12
12
A
233 242Right-handed alpha
Helix 13
13
A
245 250Right-handed alpha
Helix 14
14
A
274 278Right-handed 310
Helix 15
15
A
297 301Right-handed 310
Helix 16
16
A
303 316Right-handed alpha
Helix 17
17
A
317 319Right-handed 310
Helix 18
18
A
366 385Right-handed alpha
Helix 19
19
A
389 393Right-handed 310
Helix 20
20
A
397 410Right-handed alpha
Helix 21
21
A
414 422Right-handed alpha
Helix 22
22
A
431 466Right-handed alpha
Helix 23
23
A
469 471Right-handed 310
Helix 24
24
A
472 484Right-handed alpha
Helix 25
25
A
498 502Right-handed 310
Helix 26
26
A
513 530Right-handed alpha
Helix 27
27
A
531 533Right-handed 310
Helix 28
28
A
538 542Right-handed 310
Helix 29
29
A
547 559Right-handed alpha
Helix 30
30
A
565 574Right-handed alpha
Helix 31
31
A
581 588Right-handed alpha
Helix 32
32
A
588 600Right-handed alpha
Helix 33
33
D
927 942Right-handed alpha
Helix 34
34
E
949 953Right-handed 310
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There are 2 sheets in PDB entry 1R4L. Click on sheet of interest to get list of strands forming it: A, B,

There are 2 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
132 133first strand
Strand 2
A
141 142anti-parallel
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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
347 352first strand
Strand 2
A
355 359anti-parallel
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