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


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 1RAM entry

There are 4 chains in PDB entry 1RAM (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
C
 C 1 G 20
D
 C 1 G 20
A
 PRO 19ASP 291
B
 PRO 19ASP 291
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 1RAM. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
37 39Right-handed 310
Helix 2
2
A
123 135Right-handed 310
Helix 3
3
A
146 148Right-handed 310
Helix 4
4
A
221 223Right-handed 310
Helix 5
5
A
241 243Right-handed 310
Helix 6
6
A
245 247Right-handed 310
Helix 7
7
A
275 277Right-handed 310
Helix 8
8
B
126 135Right-handed alpha
Helix 9
9
B
145 147Right-handed 310
Helix 10
10
B
241 243Right-handed 310
Helix 11
11
B
245 247Right-handed 310
Helix 12
12
B
275 277Right-handed 310
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There are 10 sheets in PDB entry 1RAM. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

There are 3 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
20 25first strand
Strand 2
A
60 64anti-parallel
Strand 3
A
110 112anti-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
89 92first strand
Strand 2
A
116 119anti-parallel
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There are 4 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
196 199first strand
Strand 2
A
211 216anti-parallel
Strand 3
A
249 253anti-parallel
Strand 4
A
244 245anti-parallel
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There are 5 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
203 205first strand
Strand 2
A
284 289parallel
Strand 3
A
266 274anti-parallel
Strand 4
A
225 230anti-parallel
Strand 5
A
233 236anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
203 205first strand
Strand 2
A
284 289parallel
Strand 3
A
266 274anti-parallel
Strand 4
A
279 280anti-parallel
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There are 3 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
20 25first strand
Strand 2
B
60 64anti-parallel
Strand 3
B
110 112anti-parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
89 92first strand
Strand 2
B
116 119anti-parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
196 199first strand
Strand 2
B
211 216anti-parallel
Strand 3
B
249 253anti-parallel
Strand 4
B
244 245anti-parallel
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There are 5 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
203 205first strand
Strand 2
B
284 289parallel
Strand 3
B
266 274anti-parallel
Strand 4
B
225 230anti-parallel
Strand 5
B
233 236anti-parallel
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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
203 205first strand
Strand 2
B
284 289parallel
Strand 3
B
266 274anti-parallel
Strand 4
B
279 280anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il