Analysis of interatomic Contacts of Structural Units in PDB entry:
2R3U


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 2R3U entry

There are 3 chains in PDB entry 2R3U (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 42ASP 251
B
 MET 42GLY 252
C
 MET 42ASP 251
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 11 helices in PDB entry 2R3U. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
47 55Right-handed alpha
Helix 2
2
A
160 164Right-handed 310
Helix 3
3
A
238 249Right-handed alpha
Helix 4
4
B
47 55Right-handed alpha
Helix 5
5
B
95 99Right-handed alpha
Helix 6
6
B
160 164Right-handed 310
Helix 7
7
B
238 250Right-handed alpha
Helix 8
8
C
47 55Right-handed alpha
Helix 9
9
C
95 99Right-handed alpha
Helix 10
10
C
160 164Right-handed 310
Helix 11
11
C
238 250Right-handed alpha
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There are 6 sheets in PDB entry 2R3U. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 7 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
113 115first strand
Strand 2
A
103 107anti-parallel
Strand 3
A
58 66anti-parallel
Strand 4
A
74 86anti-parallel
Strand 5
A
90 94anti-parallel
Strand 6
A
127 131anti-parallel
Strand 7
A
117 122anti-parallel
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There are 7 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
154 159first strand
Strand 2
A
167 177anti-parallel
Strand 3
A
189 192anti-parallel
Strand 4
A
233 237anti-parallel
Strand 5
A
212 219anti-parallel
Strand 6
A
204 207anti-parallel
Strand 7
A
154 159anti-parallel
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There are 7 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
58 63first strand
Strand 2
B
81 86anti-parallel
Strand 3
B
90 94anti-parallel
Strand 4
B
127 131anti-parallel
Strand 5
B
113 122anti-parallel
Strand 6
B
104 107anti-parallel
Strand 7
B
58 63anti-parallel
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There are 7 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
154 159first strand
Strand 2
B
167 175anti-parallel
Strand 3
B
190 192anti-parallel
Strand 4
B
233 237anti-parallel
Strand 5
B
212 216anti-parallel
Strand 6
B
204 207anti-parallel
Strand 7
B
154 159anti-parallel
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There are 7 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
58 64first strand
Strand 2
C
78 86anti-parallel
Strand 3
C
90 94anti-parallel
Strand 4
C
127 131anti-parallel
Strand 5
C
113 122anti-parallel
Strand 6
C
103 107anti-parallel
Strand 7
C
58 64anti-parallel
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There are 7 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
154 159first strand
Strand 2
C
167 175anti-parallel
Strand 3
C
190 192anti-parallel
Strand 4
C
233 237anti-parallel
Strand 5
C
212 216anti-parallel
Strand 6
C
204 207anti-parallel
Strand 7
C
154 159anti-parallel
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