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


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 4QLA entry

There are 2 chains in PDB entry 4QLA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LEU 33ASN 456
B
 LEU 33ASN 456
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 42 helices in PDB entry 4QLA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
41 47Right-handed 310
Helix 2
2
A
60 73Right-handed alpha
Helix 3
3
A
91 93Right-handed 310
Helix 4
4
A
94 105Right-handed alpha
Helix 5
5
A
107 116Right-handed alpha
Helix 6
6
A
157 163Right-handed 310
Helix 7
7
A
164 169Right-handed alpha
Helix 8
8
A
201 217Right-handed alpha
Helix 9
9
A
227 240Right-handed alpha
Helix 10
10
A
256 269Right-handed alpha
Helix 11
11
A
270 273Right-handed 310
Helix 12
12
A
278 282Right-handed 310
Helix 13
13
A
284 296Right-handed alpha
Helix 14
14
A
296 305Right-handed alpha
Helix 15
15
A
305 316Right-handed alpha
Helix 16
16
A
316 331Right-handed alpha
Helix 17
17
A
333 339Right-handed 310
Helix 18
18
A
349 362Right-handed alpha
Helix 19
19
A
365 377Right-handed alpha
Helix 20
20
A
378 383Right-handed alpha
Helix 21
21
A
408 416Right-handed alpha
Helix 22
22
A
431 436Right-handed alpha
Helix 23
23
A
436 455Right-handed alpha
Helix 24
24
B
41 45Right-handed 310
Helix 25
25
B
60 73Right-handed alpha
Helix 26
26
B
91 93Right-handed 310
Helix 27
27
B
94 105Right-handed alpha
Helix 28
28
B
107 116Right-handed alpha
Helix 29
29
B
157 162Right-handed 310
Helix 30
30
B
164 169Right-handed alpha
Helix 31
31
B
201 216Right-handed alpha
Helix 32
32
B
227 240Right-handed alpha
Helix 33
33
B
292 295Right-handed 310
Helix 34
34
B
296 303Right-handed alpha
Helix 35
35
B
305 316Right-handed alpha
Helix 36
36
B
316 331Right-handed alpha
Helix 37
37
B
333 339Right-handed 310
Helix 38
38
B
349 362Right-handed alpha
Helix 39
39
B
365 377Right-handed alpha
Helix 40
40
B
408 416Right-handed alpha
Helix 41
41
B
431 436Right-handed alpha
Helix 42
42
B
436 455Right-handed alpha
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There are 2 sheets in PDB entry 4QLA. Click on sheet of interest to get list of strands forming it: A, B,

There are 9 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
53 55first strand
Strand 2
A
120 125anti-parallel
Strand 3
A
128 135anti-parallel
Strand 4
A
177 184anti-parallel
Strand 5
A
144 151parallel
Strand 6
A
221 225parallel
Strand 7
A
244 249parallel
Strand 8
A
395 399parallel
Strand 9
A
419 424parallel
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There are 9 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
53 55first strand
Strand 2
B
120 125anti-parallel
Strand 3
B
128 135anti-parallel
Strand 4
B
177 184anti-parallel
Strand 5
B
144 151parallel
Strand 6
B
221 225parallel
Strand 7
B
244 249parallel
Strand 8
B
395 400parallel
Strand 9
B
419 425parallel
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