Analysis of interatomic Contacts of Structural Units in PDB entry:
1CHD


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 1CHD entry

There is 1 chain in PDB entry 1CHD (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LEU 152ILE 349
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 10 helices in PDB entry 1CHD. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
A
A
167 176Right-handed alpha
Helix 2
B
A
195 206Right-handed alpha
Helix 3
C
A
260 270Right-handed alpha
Helix 4
D
A
288 297Right-handed alpha
Helix 5
E
A
314 320Right-handed alpha
Helix 6
F
A
330 341Right-handed 310
Helix 7
L1
A
191 194Polyproline
Helix 8
L2
A
250 253Polyproline
Helix 9
L3
A
329 332Right-handed 310
Helix 10
L4
A
306 309Right-handed alpha
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There are 2 sheets in PDB entry 1CHD. Click on sheet of interest to get list of strands forming it: SH1, SH2,

There are 7 strands in SH1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
326 329first strand
Strand 2
A
300 305parallel
Strand 3
A
275 280parallel
Strand 4
A
158 163parallel
Strand 5
A
184 190parallel
Strand 6
A
224 228parallel
Strand 7
A
210 214parallel
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There are 2 strands in SH2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
233 239first strand
Strand 2
A
242 248anti-parallel
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