Analysis of interatomic Contacts of Structural Units in PDB entry:
4R37


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 4R37 entry

There are 2 chains in PDB entry 4R37 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1ARG 255
B
 MET 1ARG 255
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 4R37. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
191 198Right-handed alpha
Helix 2
2
A
201 218Right-handed alpha
Helix 3
3
A
221 233Right-handed alpha
Helix 4
4
A
236 248Right-handed alpha
Helix 5
5
B
191 198Right-handed alpha
Helix 6
6
B
201 217Right-handed alpha
Helix 7
7
B
221 233Right-handed alpha
Helix 8
8
B
236 249Right-handed alpha
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There are 6 sheets in PDB entry 4R37. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 9 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
7 8first strand
Strand 2
A
25 26parallel
Strand 3
A
43 44parallel
Strand 4
A
61 62parallel
Strand 5
A
91 92parallel
Strand 6
A
115 116parallel
Strand 7
A
133 134parallel
Strand 8
A
151 152parallel
Strand 9
A
169 170parallel
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There are 8 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
13 14first strand
Strand 2
A
31 32parallel
Strand 3
A
48 50parallel
Strand 4
A
77 80parallel
Strand 5
A
101 104parallel
Strand 6
A
121 122parallel
Strand 7
A
139 140parallel
Strand 8
A
157 158parallel
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There are 10 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
19 20first strand
Strand 2
A
37 38parallel
Strand 3
A
55 56parallel
Strand 4
A
85 86parallel
Strand 5
A
109 110parallel
Strand 6
A
127 128parallel
Strand 7
A
145 146parallel
Strand 8
A
163 164parallel
Strand 9
A
178 181parallel
Strand 10
A
186 190anti-parallel
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There are 9 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
7 8first strand
Strand 2
B
25 26parallel
Strand 3
B
43 44parallel
Strand 4
B
61 62parallel
Strand 5
B
91 92parallel
Strand 6
B
115 116parallel
Strand 7
B
133 134parallel
Strand 8
B
151 152parallel
Strand 9
B
169 170parallel
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There are 8 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
13 14first strand
Strand 2
B
31 32parallel
Strand 3
B
48 50parallel
Strand 4
B
77 80parallel
Strand 5
B
101 104parallel
Strand 6
B
121 122parallel
Strand 7
B
139 140parallel
Strand 8
B
157 158parallel
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There are 10 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
19 20first strand
Strand 2
B
37 38parallel
Strand 3
B
55 56parallel
Strand 4
B
85 86parallel
Strand 5
B
109 110parallel
Strand 6
B
127 128parallel
Strand 7
B
145 146parallel
Strand 8
B
163 164parallel
Strand 9
B
178 181parallel
Strand 10
B
186 190anti-parallel
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