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


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 21IG entry

There are 2 chains in PDB entry 21IG (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 20ALA 378
B
 GLY 20GLY 382
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 36 helices in PDB entry 21IG. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
39 54Right-handed alpha
Helix 2
AA2
A
59 66Right-handed alpha
Helix 3
AA3
A
73 79Right-handed alpha
Helix 4
AA4
A
84 107Right-handed alpha
Helix 5
AA5
A
109 113Right-handed 310
Helix 6
AA6
A
114 131Right-handed alpha
Helix 7
AA7
A
140 157Right-handed alpha
Helix 8
AA8
A
158 163Right-handed alpha
Helix 9
AA9
A
164 186Right-handed alpha
Helix 10
AB1
A
190 201Right-handed alpha
Helix 11
AB2
A
203 214Right-handed alpha
Helix 12
AB3
A
226 253Right-handed alpha
Helix 13
AB4
A
261 271Right-handed alpha
Helix 14
AB5
A
273 301Right-handed alpha
Helix 15
AB6
A
307 328Right-handed alpha
Helix 16
AB7
A
368 373Right-handed 310
Helix 17
AB8
A
374 378Right-handed 310
Helix 18
AB9
B
39 54Right-handed alpha
Helix 19
AC1
B
59 69Right-handed alpha
Helix 20
AC2
B
70 72Right-handed 310
Helix 21
AC3
B
73 79Right-handed alpha
Helix 22
AC4
B
84 106Right-handed alpha
Helix 23
AC5
B
109 113Right-handed 310
Helix 24
AC6
B
114 131Right-handed alpha
Helix 25
AC7
B
140 157Right-handed alpha
Helix 26
AC8
B
158 163Right-handed alpha
Helix 27
AC9
B
164 186Right-handed alpha
Helix 28
AD1
B
190 201Right-handed alpha
Helix 29
AD2
B
203 214Right-handed alpha
Helix 30
AD3
B
221 226Right-handed alpha
Helix 31
AD4
B
226 253Right-handed alpha
Helix 32
AD5
B
261 271Right-handed alpha
Helix 33
AD6
B
273 301Right-handed alpha
Helix 34
AD7
B
307 329Right-handed alpha
Helix 35
AD8
B
365 373Right-handed 310
Helix 36
AD9
B
374 378Right-handed 310
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There are no sheets in PDB entry 21IG
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