Analysis of interatomic Contacts of Structural Units in PDB entry:
1C1A


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 1C1A entry

There are 2 chains in PDB entry 1C1A (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 52LYS 272
B
 LEU 55ASP 268
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 16 helices in PDB entry 1C1A. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
69 72Right-handed 310
Helix 2
2
A
97 113Right-handed alpha
Helix 3
3
A
123 128Right-handed alpha
Helix 4
4
A
128 139Right-handed alpha
Helix 5
5
A
153 174Right-handed alpha
Helix 6
6
A
182 184Right-handed 310
Helix 7
7
A
185 198Right-handed alpha
Helix 8
8
A
207 214Right-handed alpha
Helix 9
9
B
69 72Right-handed 310
Helix 10
10
B
97 113Right-handed alpha
Helix 11
11
B
123 128Right-handed alpha
Helix 12
12
B
128 138Right-handed alpha
Helix 13
13
B
153 174Right-handed alpha
Helix 14
14
B
182 184Right-handed 310
Helix 15
15
B
185 199Right-handed alpha
Helix 16
16
B
208 213Right-handed alpha
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There are 6 sheets in PDB entry 1C1A. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 3 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
61 67first strand
Strand 2
A
76 82anti-parallel
Strand 3
A
88 93anti-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
117 121first strand
Strand 2
A
141 145parallel
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There are 5 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
257 261first strand
Strand 2
A
246 251anti-parallel
Strand 3
A
233 242anti-parallel
Strand 4
A
223 227anti-parallel
Strand 5
A
265 267anti-parallel
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There are 3 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
61 67first strand
Strand 2
B
76 82anti-parallel
Strand 3
B
88 93anti-parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
117 118first strand
Strand 2
B
141 142parallel
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There are 5 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
257 261first strand
Strand 2
B
246 251anti-parallel
Strand 3
B
233 243anti-parallel
Strand 4
B
223 227anti-parallel
Strand 5
B
265 267anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il