Analysis of interatomic Contacts of Structural Units in PDB entry:
3R23


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 3R23 entry

There are 2 chains in PDB entry 3R23 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 0GLY 303
B
 ALA 0GLY 303
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 24 helices in PDB entry 3R23. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
10 28Right-handed alpha
Helix 2
2
A
42 44Right-handed 310
Helix 3
3
A
45 50Right-handed alpha
Helix 4
4
A
62 67Right-handed alpha
Helix 5
5
A
68 78Right-handed alpha
Helix 6
6
A
85 93Right-handed alpha
Helix 7
7
A
94 105Right-handed alpha
Helix 8
8
A
151 164Right-handed alpha
Helix 9
9
A
221 239Right-handed alpha
Helix 10
10
A
271 280Right-handed alpha
Helix 11
11
A
283 302Right-handed alpha
Helix 12
12
B
10 28Right-handed alpha
Helix 13
13
B
42 44Right-handed 310
Helix 14
14
B
45 50Right-handed alpha
Helix 15
15
B
51 53Right-handed 310
Helix 16
16
B
62 67Right-handed alpha
Helix 17
17
B
68 77Right-handed alpha
Helix 18
18
B
85 94Right-handed alpha
Helix 19
19
B
94 105Right-handed alpha
Helix 20
20
B
122 127Right-handed alpha
Helix 21
21
B
153 166Right-handed alpha
Helix 22
22
B
221 239Right-handed alpha
Helix 23
23
B
271 280Right-handed alpha
Helix 24
24
B
283 303Right-handed alpha
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There are 10 sheets in PDB entry 3R23. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

There are 3 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
33 39first strand
Strand 2
A
1 7parallel
Strand 3
A
55 58parallel
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There are 4 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
112 116first strand
Strand 2
A
168 173anti-parallel
Strand 3
A
133 137anti-parallel
Strand 4
A
147 149anti-parallel
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There are 4 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
188 189first strand
Strand 2
A
178 185anti-parallel
Strand 3
A
193 197anti-parallel
Strand 4
A
213 217anti-parallel
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There are 4 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
188 189first strand
Strand 2
A
178 185anti-parallel
Strand 3
A
244 252anti-parallel
Strand 4
A
255 262anti-parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
200 202first strand
Strand 2
A
207 209anti-parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
33 39first strand
Strand 2
B
1 7parallel
Strand 3
B
55 58parallel
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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
112 116first strand
Strand 2
B
168 173anti-parallel
Strand 3
B
133 137anti-parallel
Strand 4
B
147 149anti-parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
188 189first strand
Strand 2
B
178 185anti-parallel
Strand 3
B
193 197anti-parallel
Strand 4
B
213 216anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
188 189first strand
Strand 2
B
178 185anti-parallel
Strand 3
B
245 252anti-parallel
Strand 4
B
255 262anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
200 202first strand
Strand 2
B
207 209anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il