Analysis of interatomic Contacts of Structural Units in PDB entry:
2XE4


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 2XE4 entry

There are 2 chains in PDB entry 2XE4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 10ARG 730
B
 ARG 2VAL 3
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 22 helices in PDB entry 2XE4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
48 52Right-handed 310
Helix 2
2
A
58 77Right-handed alpha
Helix 3
3
A
79 93Right-handed alpha
Helix 4
4
A
144 148Right-handed alpha
Helix 5
5
A
237 241Right-handed 310
Helix 6
6
A
407 410Right-handed 310
Helix 7
7
A
454 456Right-handed 310
Helix 8
8
A
508 510Right-handed 310
Helix 9
9
A
511 516Right-handed alpha
Helix 10
10
A
534 539Right-handed alpha
Helix 11
11
A
542 546Right-handed 310
Helix 12
12
A
547 563Right-handed alpha
Helix 13
13
A
567 569Right-handed 310
Helix 14
14
A
577 590Right-handed alpha
Helix 15
15
A
591 594Right-handed 310
Helix 16
16
A
605 611Right-handed alpha
Helix 17
17
A
617 622Right-handed alpha
Helix 18
18
A
630 641Right-handed alpha
Helix 19
19
A
642 646Right-handed 310
Helix 20
20
A
667 681Right-handed alpha
Helix 21
21
A
702 721Right-handed alpha
Helix 22
22
A
726 730Right-handed 310
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There are 12 sheets in PDB entry 2XE4. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, AG, AH, AI, AJ, AK, AL,

There are 2 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
22 25first strand
Strand 2
A
42 45anti-parallel
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There are 2 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
98 99first strand
Strand 2
A
108 114anti-parallel
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There are 2 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
103 105first strand
Strand 2
A
108 114anti-parallel
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There are 4 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
139 143first strand
Strand 2
A
122 127anti-parallel
Strand 3
A
108 114anti-parallel
Strand 4
A
103 105anti-parallel
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There are 4 strands in AE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
139 143first strand
Strand 2
A
122 127anti-parallel
Strand 3
A
108 114anti-parallel
Strand 4
A
98 99anti-parallel
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There are 4 strands in AF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
155 161first strand
Strand 2
A
168 174anti-parallel
Strand 3
A
181 187anti-parallel
Strand 4
A
199 202anti-parallel
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There are 4 strands in AG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
207 208first strand
Strand 2
A
214 220anti-parallel
Strand 3
A
226 233anti-parallel
Strand 4
A
242 246anti-parallel
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There are 4 strands in AH sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
253 258first strand
Strand 2
A
264 270anti-parallel
Strand 3
A
275 281anti-parallel
Strand 4
A
292 293anti-parallel
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There are 4 strands in AI sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
303 308first strand
Strand 2
A
312 317anti-parallel
Strand 3
A
326 331anti-parallel
Strand 4
A
341 343anti-parallel
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There are 4 strands in AJ sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
349 356first strand
Strand 2
A
360 367anti-parallel
Strand 3
A
370 377anti-parallel
Strand 4
A
392 393anti-parallel
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There are 4 strands in AK sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
402 405first strand
Strand 2
A
418 424anti-parallel
Strand 3
A
427 434anti-parallel
Strand 4
A
441 446anti-parallel
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There are 8 strands in AL sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
458 466first strand
Strand 2
A
472 480anti-parallel
Strand 3
A
520 524anti-parallel
Strand 4
A
491 494parallel
Strand 5
A
571 576parallel
Strand 6
A
596 600parallel
Strand 7
A
653 659parallel
Strand 8
A
687 692parallel
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