Analysis of interatomic Contacts of Structural Units in PDB entry:
4CNC


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 4CNC entry

There are 2 chains in PDB entry 4CNC (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 60CYS 344
B
 ASP 60CYS 344
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 21 helices in PDB entry 4CNC. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
194 205Right-handed alpha
Helix 2
2
A
206 208Right-handed 310
Helix 3
3
A
226 233Right-handed alpha
Helix 4
4
A
274 283Right-handed alpha
Helix 5
5
A
299 301Right-handed 310
Helix 6
6
A
302 312Right-handed alpha
Helix 7
7
A
317 321Right-handed 310
Helix 8
8
A
326 330Right-handed 310
Helix 9
9
A
334 337Right-handed 310
Helix 10
10
A
338 342Right-handed 310
Helix 11
11
B
194 205Right-handed alpha
Helix 12
12
B
206 208Right-handed 310
Helix 13
13
B
226 233Right-handed alpha
Helix 14
14
B
253 257Right-handed 310
Helix 15
15
B
274 282Right-handed alpha
Helix 16
16
B
299 301Right-handed 310
Helix 17
17
B
302 312Right-handed alpha
Helix 18
18
B
317 321Right-handed 310
Helix 19
19
B
326 330Right-handed 310
Helix 20
20
B
334 337Right-handed 310
Helix 21
21
B
338 342Right-handed 310
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There are 6 sheets in PDB entry 4CNC. Click on sheet of interest to get list of strands forming it: AA, AB, AC, BA, BB, BC,

There are 11 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
67 69first strand
Strand 2
A
74 76anti-parallel
Strand 3
A
95 97parallel
Strand 4
A
122 124parallel
Strand 5
A
146 148parallel
Strand 6
A
177 179parallel
Strand 7
A
214 216parallel
Strand 8
A
238 240parallel
Strand 9
A
262 264parallel
Strand 10
A
288 290parallel
Strand 11
A
315 316parallel
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There are 3 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
104 106first strand
Strand 2
A
130 133parallel
Strand 3
A
156 157parallel
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There are 2 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
296 297first strand
Strand 2
A
323 325parallel
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There are 11 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
67 69first strand
Strand 2
B
74 76anti-parallel
Strand 3
B
95 97parallel
Strand 4
B
122 124parallel
Strand 5
B
146 148parallel
Strand 6
B
177 179parallel
Strand 7
B
214 216parallel
Strand 8
B
238 240parallel
Strand 9
B
262 264parallel
Strand 10
B
288 290parallel
Strand 11
B
315 316parallel
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There are 3 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
104 106first strand
Strand 2
B
130 133parallel
Strand 3
B
156 157parallel
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There are 2 strands in BC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
296 297first strand
Strand 2
B
323 325parallel
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