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


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 4XSH entry

There are 2 chains in PDB entry 4XSH (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 3LEU 179
B
 LYS 15LYS 219
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 4XSH. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
17 28Right-handed alpha
Helix 2
AA2
A
63 67Right-handed 310
Helix 3
AA3
A
69 74Right-handed 310
Helix 4
AA4
A
88 98Right-handed alpha
Helix 5
AA5
A
98 107Right-handed alpha
Helix 6
AA6
A
118 122Right-handed 310
Helix 7
AA7
A
124 133Right-handed alpha
Helix 8
AA8
A
140 151Right-handed alpha
Helix 9
AA9
A
166 179Right-handed alpha
Helix 10
AB1
B
21 31Right-handed alpha
Helix 11
AB2
B
37 50Right-handed alpha
Helix 12
AB3
B
51 61Right-handed alpha
Helix 13
AB4
B
68 84Right-handed alpha
Helix 14
AB5
B
100 105Right-handed 310
Helix 15
AB6
B
109 111Right-handed 310
Helix 16
AB7
B
119 131Right-handed alpha
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There are 4 sheets in PDB entry 4XSH. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4,

There are 6 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
42 48first strand
Strand 2
A
51 58anti-parallel
Strand 3
A
4 12parallel
Strand 4
A
79 85parallel
Strand 5
A
112 117parallel
Strand 6
A
155 158parallel
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There are 5 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
93 99first strand
Strand 2
B
157 163anti-parallel
Strand 3
B
210 218parallel
Strand 4
B
193 203anti-parallel
Strand 5
B
134 136anti-parallel
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There are 2 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
113 114first strand
Strand 2
B
117 118anti-parallel
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There are 3 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
141 144first strand
Strand 2
B
185 188anti-parallel
Strand 3
B
170 172anti-parallel
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