Analysis of interatomic Contacts of Structural Units in PDB entry:
3O23


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 3O23 entry

There is 1 chain in PDB entry 3O23 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 991GLU 1283
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 14 helices in PDB entry 3O23. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
995 997Right-handed 310
Helix 2
2
A
1040 1055Right-handed alpha
Helix 3
3
A
1086 1100Right-handed alpha
Helix 4
4
A
1108 1129Right-handed alpha
Helix 5
5
A
1137 1139Right-handed 310
Helix 6
6
A
1161 1165Right-handed 310
Helix 7
7
A
1180 1187Right-handed alpha
Helix 8
8
A
1190 1208Right-handed alpha
Helix 9
9
A
1217 1227Right-handed alpha
Helix 10
10
A
1238 1249Right-handed alpha
Helix 11
11
A
1252 1256Right-handed 310
Helix 12
12
A
1258 1265Right-handed alpha
Helix 13
13
A
1266 1271Right-handed 310
Helix 14
14
A
1272 1278Right-handed alpha
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There are 2 sheets in PDB entry 3O23. Click on sheet of interest to get list of strands forming it: A, B,

There are 5 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
999 1007first strand
Strand 2
A
1012 1019anti-parallel
Strand 3
A
1027 1034anti-parallel
Strand 4
A
1076 1080anti-parallel
Strand 5
A
1065 1069anti-parallel
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There are 2 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
1141 1143first strand
Strand 2
A
1149 1151anti-parallel
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