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


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 21AL entry

There is 1 chain in PDB entry 21AL (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 27ASN 370
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 19 helices in PDB entry 21AL. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
52 61Right-handed alpha
Helix 2
AA2
A
62 68Right-handed alpha
Helix 3
AA3
A
72 83Right-handed alpha
Helix 4
AA4
A
85 94Right-handed alpha
Helix 5
AA5
A
129 150Right-handed alpha
Helix 6
AA6
A
152 158Right-handed alpha
Helix 7
AA7
A
159 173Right-handed alpha
Helix 8
AA8
A
175 182Right-handed alpha
Helix 9
AA9
A
190 200Right-handed alpha
Helix 10
AB1
A
202 213Right-handed alpha
Helix 11
AB2
A
218 231Right-handed alpha
Helix 12
AB3
A
235 245Right-handed alpha
Helix 13
AB4
A
250 254Right-handed 310
Helix 14
AB5
A
255 276Right-handed alpha
Helix 15
AB6
A
279 283Right-handed 310
Helix 16
AB7
A
288 298Right-handed 310
Helix 17
AB8
A
299 314Right-handed alpha
Helix 18
AB9
A
332 340Right-handed alpha
Helix 19
AC1
A
354 365Right-handed alpha
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There is 1 sheet (AA1) in PDB entry 21AL.

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
99 100first strand
Strand 2
A
114 115anti-parallel
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