Analysis of interatomic Contacts of Structural Units in PDB entry:
3CA3


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 3CA3 entry

There is 1 chain in PDB entry 3CA3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 1PRO 257
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 3CA3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
9 13Right-handed 310
Helix 2
2
A
19 21Right-handed 310
Helix 3
3
A
36 40Right-handed 310
Helix 4
4
A
76 81Right-handed alpha
Helix 5
5
A
118 122Right-handed 310
Helix 6
6
A
138 142Right-handed 310
Helix 7
7
A
162 165Right-handed 310
Helix 8
8
A
204 208Right-handed 310
Helix 9
9
A
230 236Right-handed 310
Helix 10
10
A
246 250Right-handed 310
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There are 6 sheets in PDB entry 3CA3. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 8 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
98 100first strand
Strand 2
A
111 113anti-parallel
Strand 3
A
65 70anti-parallel
Strand 4
A
54 59anti-parallel
Strand 5
A
49 51anti-parallel
Strand 6
A
41 44anti-parallel
Strand 7
A
2 8anti-parallel
Strand 8
A
124 126anti-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
14 17first strand
Strand 2
A
28 31anti-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
A
196 200first strand
Strand 2
A
180 187anti-parallel
Strand 3
A
175 177anti-parallel
Strand 4
A
167 169anti-parallel
Strand 5
A
132 137anti-parallel
Strand 6
A
252 255anti-parallel
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There are 2 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
143 145first strand
Strand 2
A
154 156anti-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
A
210 211first strand
Strand 2
A
217 218anti-parallel
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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
225 228first strand
Strand 2
A
238 241anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il