Analysis of interatomic Contacts of Structural Units in PDB entry:
4IS6


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 4IS6 entry

There are 3 chains in PDB entry 4IS6 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 3ASP 181
B
 ASP 2ARG 189
C
 ARG 306LEU 318
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 7 helices in PDB entry 4IS6. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
45 50Right-handed alpha
Helix 2
2
A
56 77Right-handed alpha
Helix 3
3
B
51 53Right-handed 310
Helix 4
4
B
54 64Right-handed alpha
Helix 5
5
B
64 72Right-handed alpha
Helix 6
6
B
73 78Right-handed alpha
Helix 7
7
B
78 87Right-handed alpha
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There are 7 sheets in PDB entry 4IS6. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G,

There are 8 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
40 43first strand
Strand 2
A
29 35anti-parallel
Strand 3
A
19 26anti-parallel
Strand 4
A
5 15anti-parallel
Strand 5
B
7 18anti-parallel
Strand 6
B
23 32anti-parallel
Strand 7
B
35 41anti-parallel
Strand 8
B
47 49anti-parallel
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There are 4 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
88 93first strand
Strand 2
A
103 112anti-parallel
Strand 3
A
145 153anti-parallel
Strand 4
A
133 134anti-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
88 93first strand
Strand 2
A
103 112anti-parallel
Strand 3
A
145 153anti-parallel
Strand 4
A
138 139anti-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
126 127first strand
Strand 2
A
118 123anti-parallel
Strand 3
A
160 166anti-parallel
Strand 4
A
174 179anti-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
B
98 103first strand
Strand 2
B
113 122anti-parallel
Strand 3
B
155 163anti-parallel
Strand 4
B
142 144anti-parallel
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There are 4 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
98 103first strand
Strand 2
B
113 122anti-parallel
Strand 3
B
155 163anti-parallel
Strand 4
B
148 149anti-parallel
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There are 3 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
128 133first strand
Strand 2
B
171 176anti-parallel
Strand 3
B
184 188anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il