Analysis of interatomic Contacts of Structural Units in PDB entry:
21ZG


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 21ZG entry

There is 1 chain in PDB entry 21ZG (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 43ALA 337
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 15 helices in PDB entry 21ZG. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
71 78Right-handed alpha
Helix 2
AA2
A
86 90Right-handed 310
Helix 3
AA3
A
113 119Right-handed alpha
Helix 4
AA4
A
127 132Right-handed 310
Helix 5
AA5
A
133 141Right-handed alpha
Helix 6
AA6
A
159 180Right-handed alpha
Helix 7
AA7
A
181 203Right-handed alpha
Helix 8
AA8
A
232 238Right-handed alpha
Helix 9
AA9
A
258 265Right-handed alpha
Helix 10
AB1
A
276 279Right-handed 310
Helix 11
AB2
A
287 294Right-handed alpha
Helix 12
AB3
A
295 300Right-handed alpha
Helix 13
AB4
A
301 306Right-handed alpha
Helix 14
AB5
A
315 319Right-handed 310
Helix 15
AB6
A
321 336Right-handed alpha
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There are 5 sheets in PDB entry 21ZG. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5,

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
A
45 49first strand
Strand 2
A
54 58anti-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
65 66first strand
Strand 2
A
123 126parallel
Strand 3
A
145 148parallel
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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
A
84 85first strand
Strand 2
A
103 104parallel
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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
A
218 221first strand
Strand 2
A
208 215anti-parallel
Strand 3
A
240 241parallel
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There are 4 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
218 221first strand
Strand 2
A
208 215anti-parallel
Strand 3
A
269 274parallel
Strand 4
A
309 311parallel
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