Analysis of interatomic Contacts of Structural Units in PDB entry:
1RL4


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 1RL4 entry

There are 2 chains in PDB entry 1RL4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 66ASP 230
B
 LYS 66LYS 232
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 12 helices in PDB entry 1RL4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
72 77Right-handed 310
Helix 2
2
A
86 103Right-handed alpha
Helix 3
3
A
111 114Right-handed 310
Helix 4
4
A
189 204Right-handed alpha
Helix 5
5
A
207 212Right-handed 310
Helix 6
6
A
213 230Right-handed alpha
Helix 7
7
B
72 77Right-handed 310
Helix 8
8
B
86 103Right-handed alpha
Helix 9
9
B
111 114Right-handed 310
Helix 10
10
B
189 204Right-handed alpha
Helix 11
11
B
207 212Right-handed 310
Helix 12
12
B
213 231Right-handed alpha
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There are 4 sheets in PDB entry 1RL4. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 5 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
107 109first strand
Strand 2
A
119 122anti-parallel
Strand 3
A
136 145anti-parallel
Strand 4
A
172 177anti-parallel
Strand 5
A
183 188anti-parallel
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There are 2 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
149 154first strand
Strand 2
A
164 169anti-parallel
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There are 5 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
107 109first strand
Strand 2
B
119 122anti-parallel
Strand 3
B
136 145anti-parallel
Strand 4
B
172 177anti-parallel
Strand 5
B
183 188anti-parallel
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There are 2 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
149 154first strand
Strand 2
B
164 169anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il