Analysis of interatomic Contacts of Structural Units in PDB entry:
3CO2


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 3CO2 entry

There are 4 chains in PDB entry 3CO2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 221LEU 346
B
 ARG 219LEU 346
C
 ARG 219ILE 337
D
 ARG 219GLU 347
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 23 helices in PDB entry 3CO2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
221 232Right-handed alpha
Helix 2
2
A
233 237Right-handed 310
Helix 3
3
A
240 251Right-handed alpha
Helix 4
4
A
298 303Right-handed alpha
Helix 5
5
A
324 329Right-handed alpha
Helix 6
6
A
334 346Right-handed alpha
Helix 7
7
B
219 231Right-handed alpha
Helix 8
8
B
232 237Right-handed 310
Helix 9
9
B
240 251Right-handed alpha
Helix 10
10
B
298 303Right-handed alpha
Helix 11
11
B
324 329Right-handed alpha
Helix 12
12
B
334 346Right-handed alpha
Helix 13
13
C
219 233Right-handed alpha
Helix 14
14
C
234 237Right-handed 310
Helix 15
15
C
240 250Right-handed alpha
Helix 16
16
C
298 303Right-handed alpha
Helix 17
17
C
324 329Right-handed alpha
Helix 18
18
D
219 232Right-handed alpha
Helix 19
19
D
233 237Right-handed 310
Helix 20
20
D
240 251Right-handed alpha
Helix 21
21
D
297 303Right-handed alpha
Helix 22
22
D
324 329Right-handed alpha
Helix 23
23
D
334 344Right-handed alpha
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There are 6 sheets in PDB entry 3CO2. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 4 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
252 256first strand
Strand 2
A
317 323anti-parallel
Strand 3
A
271 277anti-parallel
Strand 4
A
295 296anti-parallel
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There are 8 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
261 263first strand
Strand 2
A
311 313anti-parallel
Strand 3
A
280 282anti-parallel
Strand 4
A
289 290anti-parallel
Strand 5
D
294 296anti-parallel
Strand 6
D
271 277anti-parallel
Strand 7
D
317 323anti-parallel
Strand 8
D
252 256anti-parallel
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There are 8 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
252 256first strand
Strand 2
B
317 323anti-parallel
Strand 3
B
271 277anti-parallel
Strand 4
B
294 296anti-parallel
Strand 5
C
288 290anti-parallel
Strand 6
C
280 282anti-parallel
Strand 7
C
311 313anti-parallel
Strand 8
C
261 263anti-parallel
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There are 4 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
261 263first strand
Strand 2
B
311 313anti-parallel
Strand 3
B
280 282anti-parallel
Strand 4
B
288 290anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
252 256first strand
Strand 2
C
317 323anti-parallel
Strand 3
C
271 277anti-parallel
Strand 4
C
295 296anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
261 263first strand
Strand 2
D
310 313anti-parallel
Strand 3
D
280 283anti-parallel
Strand 4
D
288 290anti-parallel
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