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


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 2XIT entry

There are 2 chains in PDB entry 2XIT (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 2GLU 288
B
 THR 4GLU 288
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 2XIT. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
17 32Right-handed alpha
Helix 2
2
A
46 62Right-handed alpha
Helix 3
3
A
77 82Right-handed alpha
Helix 4
4
A
85 104Right-handed alpha
Helix 5
5
A
116 125Right-handed alpha
Helix 6
6
A
136 141Right-handed alpha
Helix 7
7
A
142 144Right-handed 310
Helix 8
8
A
157 173Right-handed alpha
Helix 9
9
A
192 194Right-handed 310
Helix 10
10
A
195 211Right-handed alpha
Helix 11
11
A
221 228Right-handed alpha
Helix 12
12
A
229 231Right-handed 310
Helix 13
13
A
233 237Right-handed 310
Helix 14
14
A
247 264Right-handed alpha
Helix 15
15
A
266 270Right-handed 310
Helix 16
16
A
281 286Right-handed alpha
Helix 17
17
B
17 32Right-handed alpha
Helix 18
18
B
46 63Right-handed alpha
Helix 19
19
B
77 82Right-handed alpha
Helix 20
20
B
85 104Right-handed alpha
Helix 21
21
B
116 125Right-handed alpha
Helix 22
22
B
136 141Right-handed alpha
Helix 23
23
B
142 144Right-handed 310
Helix 24
24
B
157 173Right-handed alpha
Helix 25
25
B
192 194Right-handed 310
Helix 26
26
B
195 211Right-handed alpha
Helix 27
27
B
221 228Right-handed alpha
Helix 28
28
B
229 231Right-handed 310
Helix 29
29
B
233 237Right-handed 310
Helix 30
30
B
247 264Right-handed alpha
Helix 31
31
B
266 270Right-handed 310
Helix 32
32
B
281 286Right-handed alpha
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There are 3 sheets in PDB entry 2XIT. Click on sheet of interest to get list of strands forming it: AA, BA, BB,

There are 7 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
70 72first strand
Strand 2
A
36 40parallel
Strand 3
A
106 111parallel
Strand 4
A
6 10parallel
Strand 5
A
128 134parallel
Strand 6
A
180 186parallel
Strand 7
A
213 216parallel
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There are 7 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
70 72first strand
Strand 2
B
36 40parallel
Strand 3
B
106 111parallel
Strand 4
B
6 10parallel
Strand 5
B
128 134parallel
Strand 6
B
180 186parallel
Strand 7
B
213 216parallel
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There are 2 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
145 146first strand
Strand 2
B
153 155anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il