Analysis of interatomic Contacts of Structural Units in PDB entry:
1SG3


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 1SG3 entry

There are 2 chains in PDB entry 1SG3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1TYR 343
B
 MET 1HIS 344
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 14 helices in PDB entry 1SG3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
5 7Right-handed 310
Helix 2
2
A
8 17Right-handed alpha
Helix 3
3
A
27 31Right-handed 310
Helix 4
4
A
44 50Right-handed 310
Helix 5
5
A
200 204Right-handed 310
Helix 6
6
A
217 221Right-handed 310
Helix 7
7
A
229 233Right-handed 310
Helix 8
8
B
5 7Right-handed 310
Helix 9
9
B
8 17Right-handed alpha
Helix 10
10
B
27 31Right-handed 310
Helix 11
11
B
44 50Right-handed 310
Helix 12
12
B
200 204Right-handed 310
Helix 13
13
B
217 221Right-handed 310
Helix 14
14
B
229 233Right-handed 310
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There are 12 sheets in PDB entry 1SG3. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

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
2 4first strand
Strand 2
A
148 152anti-parallel
Strand 3
A
93 101anti-parallel
Strand 4
A
177 184anti-parallel
Strand 5
A
23 24anti-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
33 37first strand
Strand 2
A
82 87anti-parallel
Strand 3
A
164 170anti-parallel
Strand 4
A
112 118anti-parallel
Strand 5
A
135 142anti-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
71 72first strand
Strand 2
A
174 175anti-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
196 197first strand
Strand 2
A
337 343anti-parallel
Strand 3
A
258 265anti-parallel
Strand 4
A
311 319anti-parallel
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There are 5 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
206 210first strand
Strand 2
A
246 251anti-parallel
Strand 3
A
324 330anti-parallel
Strand 4
A
276 282anti-parallel
Strand 5
A
298 305anti-parallel
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There are 2 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
234 235first strand
Strand 2
A
334 335anti-parallel
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There are 5 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
2 4first strand
Strand 2
B
148 152anti-parallel
Strand 3
B
93 101anti-parallel
Strand 4
B
177 184anti-parallel
Strand 5
B
23 24anti-parallel
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There are 5 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
33 37first strand
Strand 2
B
82 87anti-parallel
Strand 3
B
164 170anti-parallel
Strand 4
B
112 118anti-parallel
Strand 5
B
135 142anti-parallel
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There are 2 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
71 72first strand
Strand 2
B
174 175anti-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
196 197first strand
Strand 2
B
337 342anti-parallel
Strand 3
B
259 265anti-parallel
Strand 4
B
311 318anti-parallel
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There are 5 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
206 210first strand
Strand 2
B
246 251anti-parallel
Strand 3
B
324 330anti-parallel
Strand 4
B
276 282anti-parallel
Strand 5
B
298 305anti-parallel
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There are 2 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
234 235first strand
Strand 2
B
334 335anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il