Analysis of interatomic Contacts of Structural Units in PDB entry:
2X3L


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 2X3L entry

There are 2 chains in PDB entry 2X3L (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 5VAL 443
B
 PRO 5VAL 443
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 32 helices in PDB entry 2X3L. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
5 16Right-handed alpha
Helix 2
2
A
33 37Right-handed 310
Helix 3
3
A
38 42Right-handed 310
Helix 4
4
A
57 67Right-handed alpha
Helix 5
5
A
79 91Right-handed alpha
Helix 6
6
A
106 117Right-handed alpha
Helix 7
7
A
163 174Right-handed alpha
Helix 8
8
A
196 201Right-handed 310
Helix 9
9
A
208 213Right-handed alpha
Helix 10
10
A
230 242Right-handed alpha
Helix 11
11
A
247 264Right-handed alpha
Helix 12
12
A
266 283Right-handed alpha
Helix 13
13
A
304 315Right-handed alpha
Helix 14
14
A
341 351Right-handed alpha
Helix 15
15
A
388 390Right-handed 310
Helix 16
16
A
416 429Right-handed alpha
Helix 17
17
B
5 16Right-handed alpha
Helix 18
18
B
33 37Right-handed 310
Helix 19
19
B
38 42Right-handed 310
Helix 20
20
B
57 67Right-handed alpha
Helix 21
21
B
79 91Right-handed alpha
Helix 22
22
B
106 117Right-handed alpha
Helix 23
23
B
163 174Right-handed alpha
Helix 24
24
B
196 201Right-handed 310
Helix 25
25
B
208 213Right-handed alpha
Helix 26
26
B
230 242Right-handed alpha
Helix 27
27
B
247 264Right-handed alpha
Helix 28
28
B
266 283Right-handed alpha
Helix 29
29
B
304 314Right-handed alpha
Helix 30
30
B
341 352Right-handed alpha
Helix 31
31
B
388 390Right-handed 310
Helix 32
32
B
416 429Right-handed alpha
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There are 12 sheets in PDB entry 2X3L. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, BA, BB, BC, BD, BE, BF,

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
19 21first strand
Strand 2
A
317 319parallel
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There are 8 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
72 77first strand
Strand 2
A
220 225anti-parallel
Strand 3
A
204 207anti-parallel
Strand 4
A
178 181parallel
Strand 5
A
149 153parallel
Strand 6
A
99 101parallel
Strand 7
A
120 122parallel
Strand 8
A
372 374anti-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
124 127first strand
Strand 2
A
134 138anti-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
286 289first strand
Strand 2
A
295 299anti-parallel
Strand 3
A
327 330anti-parallel
Strand 4
A
321 322anti-parallel
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There are 3 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
385 386first strand
Strand 2
A
440 441anti-parallel
Strand 3
A
436 437anti-parallel
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There are 2 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
400 402first strand
Strand 2
A
432 434anti-parallel
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There are 2 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
19 21first strand
Strand 2
B
317 319parallel
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There are 8 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
72 77first strand
Strand 2
B
220 225anti-parallel
Strand 3
B
204 207anti-parallel
Strand 4
B
178 181parallel
Strand 5
B
149 153parallel
Strand 6
B
99 101parallel
Strand 7
B
120 122parallel
Strand 8
B
372 374anti-parallel
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There are 2 strands in BC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
124 127first strand
Strand 2
B
134 138anti-parallel
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There are 4 strands in BD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
286 289first strand
Strand 2
B
295 299anti-parallel
Strand 3
B
327 330anti-parallel
Strand 4
B
321 322anti-parallel
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There are 3 strands in BE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
383 386first strand
Strand 2
B
440 443anti-parallel
Strand 3
B
436 437anti-parallel
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There are 2 strands in BF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
400 402first strand
Strand 2
B
432 434anti-parallel
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