Analysis of interatomic Contacts of Structural Units in PDB entry:
4RS2


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 4RS2 entry

There are 2 chains in PDB entry 4RS2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 HIS -7ARG 172
B
 HIS -10ARG 172
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 18 helices in PDB entry 4RS2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
7 9Right-handed 310
Helix 2
2
A
10 22Right-handed alpha
Helix 3
3
A
25 38Right-handed alpha
Helix 4
4
A
81 84Right-handed 310
Helix 5
5
A
87 103Right-handed alpha
Helix 6
6
A
113 118Right-handed alpha
Helix 7
7
A
119 121Right-handed 310
Helix 8
8
A
126 128Right-handed 310
Helix 9
9
A
161 165Right-handed 310
Helix 10
10
B
7 9Right-handed 310
Helix 11
11
B
10 22Right-handed alpha
Helix 12
12
B
25 37Right-handed alpha
Helix 13
13
B
81 84Right-handed 310
Helix 14
14
B
87 103Right-handed alpha
Helix 15
15
B
113 118Right-handed alpha
Helix 16
16
B
119 121Right-handed 310
Helix 17
17
B
126 128Right-handed 310
Helix 18
18
B
161 165Right-handed 310
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There are 4 sheets in PDB entry 4RS2. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
2 5first strand
Strand 2
A
42 47anti-parallel
Strand 3
A
53 64anti-parallel
Strand 4
A
67 79anti-parallel
Strand 5
A
107 111parallel
Strand 6
A
141 145anti-parallel
Strand 7
A
123 124anti-parallel
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There are 5 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
2 5first strand
Strand 2
A
42 47anti-parallel
Strand 3
A
53 64anti-parallel
Strand 4
A
156 159anti-parallel
Strand 5
A
130 131parallel
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There are 8 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
-8 -4first strand
Strand 2
B
-1 5anti-parallel
Strand 3
B
42 47anti-parallel
Strand 4
B
53 64anti-parallel
Strand 5
B
67 79anti-parallel
Strand 6
B
107 111parallel
Strand 7
B
141 145anti-parallel
Strand 8
B
123 124anti-parallel
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There are 6 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
-8 -4first strand
Strand 2
B
-1 5anti-parallel
Strand 3
B
42 47anti-parallel
Strand 4
B
53 64anti-parallel
Strand 5
B
156 159anti-parallel
Strand 6
B
130 131parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il