Analysis of interatomic Contacts of Structural Units in PDB entry:
2X4F


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 2X4F entry

There are 2 chains in PDB entry 2X4F (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 80GLN 373
B
 ILE 81LEU 370
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 30 helices in PDB entry 2X4F. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
99 102Right-handed 310
Helix 2
2
A
141 156Right-handed alpha
Helix 3
3
A
189 195Right-handed alpha
Helix 4
4
A
196 199Right-handed 310
Helix 5
5
A
200 221Right-handed alpha
Helix 6
6
A
229 231Right-handed 310
Helix 7
7
A
271 276Right-handed alpha
Helix 8
8
A
281 299Right-handed alpha
Helix 9
9
A
307 318Right-handed alpha
Helix 10
10
A
324 328Right-handed 310
Helix 11
11
A
331 340Right-handed alpha
Helix 12
12
A
345 349Right-handed 310
Helix 13
13
A
351 358Right-handed alpha
Helix 14
14
A
358 363Right-handed alpha
Helix 15
15
A
363 373Right-handed alpha
Helix 16
16
B
99 102Right-handed 310
Helix 17
17
B
141 156Right-handed alpha
Helix 18
18
B
189 195Right-handed alpha
Helix 19
19
B
196 199Right-handed 310
Helix 20
20
B
200 221Right-handed alpha
Helix 21
21
B
229 231Right-handed 310
Helix 22
22
B
271 276Right-handed alpha
Helix 23
23
B
281 299Right-handed alpha
Helix 24
24
B
307 317Right-handed alpha
Helix 25
25
B
324 328Right-handed 310
Helix 26
26
B
331 340Right-handed alpha
Helix 27
27
B
345 349Right-handed 310
Helix 28
28
B
351 358Right-handed alpha
Helix 29
29
B
358 363Right-handed alpha
Helix 30
30
B
363 370Right-handed alpha
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There are 6 sheets in PDB entry 2X4F. Click on sheet of interest to get list of strands forming it: AA, AB, AC, BA, BB, BC,

There are 6 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
96 97first strand
Strand 2
A
166 171parallel
Strand 3
A
175 181anti-parallel
Strand 4
A
131 138anti-parallel
Strand 5
A
120 125anti-parallel
Strand 6
A
104 111anti-parallel
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There are 3 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
187 188first strand
Strand 2
A
233 237anti-parallel
Strand 3
A
242 245anti-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
223 224first strand
Strand 2
A
252 253anti-parallel
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There are 6 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
96 97first strand
Strand 2
B
166 171parallel
Strand 3
B
175 181anti-parallel
Strand 4
B
131 138anti-parallel
Strand 5
B
120 125anti-parallel
Strand 6
B
104 113anti-parallel
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There are 3 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
187 188first strand
Strand 2
B
233 237anti-parallel
Strand 3
B
242 245anti-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
223 224first strand
Strand 2
B
252 253anti-parallel
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