Analysis of interatomic Contacts of Structural Units in PDB entry:
3SRI


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 3SRI entry

There are 2 chains in PDB entry 3SRI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 108PRO 442
B
 LYS 2027ASN 2051
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 3SRI. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
110 115Right-handed alpha
Helix 2
2
A
118 123Right-handed alpha
Helix 3
3
A
175 179Right-handed 310
Helix 4
4
A
195 202Right-handed alpha
Helix 5
5
A
212 223Right-handed alpha
Helix 6
6
A
282 285Right-handed 310
Helix 7
7
A
297 302Right-handed alpha
Helix 8
8
A
333 345Right-handed alpha
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There are 6 sheets in PDB entry 3SRI. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 2 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
133 137first strand
Strand 2
A
140 144anti-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
151 152first strand
Strand 2
A
287 290anti-parallel
Strand 3
A
238 241anti-parallel
Strand 4
A
246 249anti-parallel
Strand 5
A
193 194anti-parallel
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There are 2 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
154 158first strand
Strand 2
A
276 280anti-parallel
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There are 4 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
186 187first strand
Strand 2
B
2047 2050anti-parallel
Strand 3
B
2037 2040anti-parallel
Strand 4
A
224 225anti-parallel
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There are 6 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
319 322first strand
Strand 2
A
306 316anti-parallel
Strand 3
A
418 429anti-parallel
Strand 4
A
399 403anti-parallel
Strand 5
A
408 412anti-parallel
Strand 6
A
327 330anti-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
A
319 322first strand
Strand 2
A
306 316anti-parallel
Strand 3
A
437 438parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il