Analysis of interatomic Contacts of Structural Units in PDB entry:
4Z18


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 4Z18 entry

There are 2 chains in PDB entry 4Z18 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PHE 19PRO 230
B
 MET 18PRO 227
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 8 helices in PDB entry 4Z18. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
49 52Right-handed 310
Helix 2
AA2
A
74 77Right-handed 310
Helix 3
AA3
A
78 82Right-handed 310
Helix 4
AA4
A
89 93Right-handed 310
Helix 5
AA5
A
105 109Right-handed 310
Helix 6
AA6
B
78 82Right-handed 310
Helix 7
AA7
B
88 93Right-handed alpha
Helix 8
AA8
B
105 109Right-handed 310
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There are 7 sheets in PDB entry 4Z18. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7,

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
27 31first strand
Strand 2
A
121 131parallel
Strand 3
A
110 117anti-parallel
Strand 4
A
54 59anti-parallel
Strand 5
A
62 68anti-parallel
Strand 6
A
71 72anti-parallel
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There are 3 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
36 41first strand
Strand 2
A
96 101anti-parallel
Strand 3
A
85 87anti-parallel
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There are 8 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
177 183first strand
Strand 2
A
191 200anti-parallel
Strand 3
A
150 159anti-parallel
Strand 4
A
138 145anti-parallel
Strand 5
B
137 145parallel
Strand 6
B
150 159anti-parallel
Strand 7
B
191 200anti-parallel
Strand 8
B
178 183anti-parallel
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There are 4 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
174 175first strand
Strand 2
A
164 169anti-parallel
Strand 3
A
206 213anti-parallel
Strand 4
A
218 225anti-parallel
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There are 6 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
27 31first strand
Strand 2
B
121 131parallel
Strand 3
B
110 117anti-parallel
Strand 4
B
54 59anti-parallel
Strand 5
B
62 68anti-parallel
Strand 6
B
71 73anti-parallel
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There are 3 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
36 41first strand
Strand 2
B
96 101anti-parallel
Strand 3
B
85 87anti-parallel
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There are 3 strands in AA7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
164 169first strand
Strand 2
B
206 213anti-parallel
Strand 3
B
218 225anti-parallel
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