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


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 4XYN entry

There are 5 chains in PDB entry 4XYN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
P
 ARG 57SER 65
A
 MET 1GLU 90
B
 MET 1HIS 91
C
 MET 1HIS 91
D
 MET 1PHE 88
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 18 helices in PDB entry 4XYN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
P
59 63Right-handed 310
Helix 2
AA2
A
2 20Right-handed alpha
Helix 3
AA3
A
29 41Right-handed alpha
Helix 4
AA4
A
50 62Right-handed alpha
Helix 5
AA5
A
70 87Right-handed alpha
Helix 6
AA6
A
88 90Right-handed 310
Helix 7
AA7
B
2 20Right-handed alpha
Helix 8
AA8
B
29 41Right-handed alpha
Helix 9
AA9
B
50 62Right-handed alpha
Helix 10
AB1
B
71 88Right-handed alpha
Helix 11
AB2
C
2 20Right-handed alpha
Helix 12
AB3
C
29 41Right-handed alpha
Helix 13
AB4
C
50 62Right-handed alpha
Helix 14
AB5
C
70 88Right-handed alpha
Helix 15
AB6
D
2 20Right-handed alpha
Helix 16
AB7
D
29 41Right-handed alpha
Helix 17
AB8
D
50 62Right-handed alpha
Helix 18
AB9
D
70 86Right-handed alpha
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There is 1 sheet (AA1) in PDB entry 4XYN.

There are 2 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
27 28first strand
Strand 2
B
69 70anti-parallel
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