Analysis of interatomic Contacts of Structural Units in PDB entry:
3N4S


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 3N4S entry

There are 4 chains in PDB entry 3N4S (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 70LYS 181
B
 ASN 70ASN 180
C
 ASN 70ASN 180
D
 SER 71ASN 180
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 16 helices in PDB entry 3N4S. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
70 83Right-handed alpha
Helix 2
2
A
142 151Right-handed alpha
Helix 3
3
A
154 159Right-handed 310
Helix 4
4
A
167 180Right-handed alpha
Helix 5
5
B
71 83Right-handed alpha
Helix 6
6
B
142 153Right-handed alpha
Helix 7
7
B
154 159Right-handed 310
Helix 8
8
B
167 180Right-handed alpha
Helix 9
9
C
70 83Right-handed alpha
Helix 10
10
C
142 153Right-handed alpha
Helix 11
11
C
154 159Right-handed 310
Helix 12
12
C
167 180Right-handed alpha
Helix 13
13
D
71 83Right-handed alpha
Helix 14
14
D
142 153Right-handed alpha
Helix 15
15
D
154 159Right-handed 310
Helix 16
16
D
167 180Right-handed alpha
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There are 4 sheets in PDB entry 3N4S. 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
84 91first strand
Strand 2
A
96 102anti-parallel
Strand 3
A
116 122anti-parallel
Strand 4
A
131 137anti-parallel
Strand 5
A
161 164anti-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
B
84 88first strand
Strand 2
B
97 102anti-parallel
Strand 3
B
116 123anti-parallel
Strand 4
B
131 137anti-parallel
Strand 5
B
161 164anti-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
C
84 91first strand
Strand 2
C
96 103anti-parallel
Strand 3
C
115 123anti-parallel
Strand 4
C
131 136anti-parallel
Strand 5
C
161 164anti-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
D
84 88first strand
Strand 2
D
97 103anti-parallel
Strand 3
D
115 123anti-parallel
Strand 4
D
131 137anti-parallel
Strand 5
D
161 164anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il