Analysis of interatomic Contacts of Structural Units in PDB entry:
2CA6


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 2CA6 entry

There are 2 chains in PDB entry 2CA6 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 2GLU 345
B
 ALA 2GLU 345
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 31 helices in PDB entry 2CA6. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
18 23Right-handed alpha
Helix 2
2
A
25 31Right-handed alpha
Helix 3
3
A
45 55Right-handed alpha
Helix 4
4
A
75 78Right-handed 310
Helix 5
5
A
79 91Right-handed alpha
Helix 6
6
A
110 121Right-handed alpha
Helix 7
7
A
134 157Right-handed alpha
Helix 8
8
A
172 174Right-handed 310
Helix 9
9
A
175 186Right-handed alpha
Helix 10
10
A
200 210Right-handed alpha
Helix 11
11
A
211 215Right-handed 310
Helix 12
12
A
228 240Right-handed alpha
Helix 13
13
A
241 243Right-handed 310
Helix 14
14
A
257 270Right-handed alpha
Helix 15
15
A
287 302Right-handed alpha
Helix 16
16
A
319 333Right-handed alpha
Helix 17
17
B
45 59Right-handed alpha
Helix 18
18
B
75 78Right-handed 310
Helix 19
19
B
79 91Right-handed alpha
Helix 20
20
B
107 109Right-handed 310
Helix 21
21
B
110 119Right-handed alpha
Helix 22
22
B
134 157Right-handed alpha
Helix 23
23
B
172 174Right-handed 310
Helix 24
24
B
175 186Right-handed alpha
Helix 25
25
B
200 211Right-handed alpha
Helix 26
26
B
212 215Right-handed 310
Helix 27
27
B
228 240Right-handed alpha
Helix 28
28
B
241 243Right-handed 310
Helix 29
29
B
257 269Right-handed alpha
Helix 30
30
B
287 302Right-handed alpha
Helix 31
31
B
320 333Right-handed alpha
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There are 4 sheets in PDB entry 2CA6. Click on sheet of interest to get list of strands forming it: AA, AB, BA, BB,

There are 12 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
3 5first strand
Strand 2
A
36 38parallel
Strand 3
A
64 66parallel
Strand 4
A
98 100parallel
Strand 5
A
126 128parallel
Strand 6
A
163 165parallel
Strand 7
A
191 193parallel
Strand 8
A
220 222parallel
Strand 9
A
248 250parallel
Strand 10
A
278 280parallel
Strand 11
A
307 309parallel
Strand 12
A
336 337parallel
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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
12 13first strand
Strand 2
A
43 44parallel
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There are 12 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
3 5first strand
Strand 2
B
36 38parallel
Strand 3
B
64 66parallel
Strand 4
B
98 100parallel
Strand 5
B
126 128parallel
Strand 6
B
163 165parallel
Strand 7
B
191 193parallel
Strand 8
B
220 222parallel
Strand 9
B
248 250parallel
Strand 10
B
278 280parallel
Strand 11
B
307 309parallel
Strand 12
B
336 337parallel
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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
12 13first strand
Strand 2
B
43 44parallel
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