Analysis of interatomic Contacts of Structural Units in PDB entry:
3X3G


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 3X3G entry

There are 2 chains in PDB entry 3X3G (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
H
 GLN 1SER 226
L
 GLU 1CYS 214
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 9 helices in PDB entry 3X3G. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
H
28 30Right-handed 310
Helix 2
2
H
61 65Right-handed 310
Helix 3
3
H
87 91Right-handed 310
Helix 4
4
H
106 111Right-handed alpha
Helix 5
5
H
169 171Right-handed 310
Helix 6
6
H
200 202Right-handed 310
Helix 7
7
L
79 83Right-handed 310
Helix 8
8
L
121 126Right-handed alpha
Helix 9
9
L
183 188Right-handed alpha
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There are 10 sheets in PDB entry 3X3G. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

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
H
3 6first strand
Strand 2
H
18 25anti-parallel
Strand 3
H
78 83anti-parallel
Strand 4
H
68 73anti-parallel
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There are 6 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
10 12first strand
Strand 2
H
120 124parallel
Strand 3
H
92 100anti-parallel
Strand 4
H
32 39anti-parallel
Strand 5
H
45 52anti-parallel
Strand 6
H
57 59anti-parallel
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There are 4 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
10 12first strand
Strand 2
H
120 124parallel
Strand 3
H
92 100anti-parallel
Strand 4
H
115 116anti-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
H
133 137first strand
Strand 2
H
148 158anti-parallel
Strand 3
H
189 198anti-parallel
Strand 4
H
176 178anti-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
H
133 137first strand
Strand 2
H
148 158anti-parallel
Strand 3
H
189 198anti-parallel
Strand 4
H
182 183anti-parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
164 167first strand
Strand 2
H
207 213anti-parallel
Strand 3
H
218 224anti-parallel
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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
4 7first strand
Strand 2
L
19 25anti-parallel
Strand 3
L
70 75anti-parallel
Strand 4
L
62 67anti-parallel
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There are 6 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
10 13first strand
Strand 2
L
102 106parallel
Strand 3
L
85 90anti-parallel
Strand 4
L
33 38anti-parallel
Strand 5
L
45 49anti-parallel
Strand 6
L
53 54anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
114 118first strand
Strand 2
L
129 139anti-parallel
Strand 3
L
173 182anti-parallel
Strand 4
L
159 163anti-parallel
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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
153 155first strand
Strand 2
L
145 150anti-parallel
Strand 3
L
191 197anti-parallel
Strand 4
L
205 210anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il