Analysis of interatomic Contacts of Structural Units in PDB entry:
2R1B


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 2R1B entry

There are 2 chains in PDB entry 2R1B (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 80SER 294
B
 GLY 80PRO 292
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 8 helices in PDB entry 2R1B. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
101 105Right-handed 310
Helix 2
2
A
217 233Right-handed alpha
Helix 3
3
A
234 236Right-handed 310
Helix 4
4
A
267 274Right-handed alpha
Helix 5
5
B
101 105Right-handed 310
Helix 6
6
B
216 233Right-handed alpha
Helix 7
7
B
234 236Right-handed 310
Helix 8
8
B
267 274Right-handed alpha
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There are 4 sheets in PDB entry 2R1B. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 11 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
159 162first strand
Strand 2
A
147 153anti-parallel
Strand 3
A
138 144anti-parallel
Strand 4
A
124 131anti-parallel
Strand 5
A
240 245anti-parallel
Strand 6
A
86 99anti-parallel
Strand 7
A
256 263anti-parallel
Strand 8
A
110 118anti-parallel
Strand 9
A
174 181anti-parallel
Strand 10
A
184 189anti-parallel
Strand 11
A
195 197anti-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
159 162first strand
Strand 2
A
147 153anti-parallel
Strand 3
A
138 144anti-parallel
Strand 4
A
124 131anti-parallel
Strand 5
A
240 245anti-parallel
Strand 6
A
86 99anti-parallel
Strand 7
A
279 287anti-parallel
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There are 11 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
159 162first strand
Strand 2
B
147 153anti-parallel
Strand 3
B
138 144anti-parallel
Strand 4
B
124 131anti-parallel
Strand 5
B
240 245anti-parallel
Strand 6
B
86 99anti-parallel
Strand 7
B
256 263anti-parallel
Strand 8
B
110 118anti-parallel
Strand 9
B
174 181anti-parallel
Strand 10
B
184 189anti-parallel
Strand 11
B
195 197anti-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
159 162first strand
Strand 2
B
147 153anti-parallel
Strand 3
B
138 144anti-parallel
Strand 4
B
124 131anti-parallel
Strand 5
B
240 245anti-parallel
Strand 6
B
86 99anti-parallel
Strand 7
B
279 287anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il