Analysis of interatomic Contacts of Structural Units in PDB entry:
3C1A


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 3C1A entry

There are 2 chains in PDB entry 3C1A (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 8SER 314
B
 SER 8SER 314
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 24 helices in PDB entry 3C1A. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
23 31Right-handed alpha
Helix 2
2
A
43 48Right-handed alpha
Helix 3
3
A
60 65Right-handed alpha
Helix 4
4
A
77 79Right-handed 310
Helix 5
5
A
80 91Right-handed alpha
Helix 6
6
A
104 119Right-handed alpha
Helix 7
7
A
126 130Right-handed 310
Helix 8
8
A
131 140Right-handed alpha
Helix 9
9
A
140 145Right-handed alpha
Helix 10
10
A
166 184Right-handed alpha
Helix 11
11
A
277 290Right-handed alpha
Helix 12
12
A
299 314Right-handed alpha
Helix 13
13
B
23 30Right-handed alpha
Helix 14
14
B
43 48Right-handed alpha
Helix 15
15
B
59 65Right-handed alpha
Helix 16
16
B
77 79Right-handed 310
Helix 17
17
B
80 92Right-handed alpha
Helix 18
18
B
104 119Right-handed alpha
Helix 19
19
B
126 130Right-handed 310
Helix 20
20
B
131 140Right-handed alpha
Helix 21
21
B
141 145Right-handed 310
Helix 22
22
B
166 184Right-handed alpha
Helix 23
23
B
277 290Right-handed alpha
Helix 24
24
B
299 313Right-handed alpha
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There are 4 sheets in PDB entry 3C1A. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 6 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
55 57first strand
Strand 2
A
34 41parallel
Strand 3
A
10 16parallel
Strand 4
A
71 75parallel
Strand 5
A
94 98parallel
Strand 6
A
122 125parallel
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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
189 200first strand
Strand 2
A
203 214anti-parallel
Strand 3
A
217 224anti-parallel
Strand 4
A
147 157parallel
Strand 5
A
226 237anti-parallel
Strand 6
A
241 245anti-parallel
Strand 7
A
253 255anti-parallel
Strand 8
A
269 270anti-parallel
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There are 6 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
55 57first strand
Strand 2
B
34 41parallel
Strand 3
B
10 16parallel
Strand 4
B
71 75parallel
Strand 5
B
94 98parallel
Strand 6
B
122 125parallel
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There are 8 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
189 200first strand
Strand 2
B
203 214anti-parallel
Strand 3
B
217 224anti-parallel
Strand 4
B
147 157parallel
Strand 5
B
226 237anti-parallel
Strand 6
B
241 245anti-parallel
Strand 7
B
253 255anti-parallel
Strand 8
B
269 270anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il