Analysis of interatomic Contacts of Structural Units in PDB entry:
4XLL


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 4XLL entry

There are 4 chains in PDB entry 4XLL (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 2ILE 103
A
 ALA 105TYR 185
B
 ALA 2ILE 103
B
 ALA 105TYR 185
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 20 helices in PDB entry 4XLL. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
14 28Right-handed alpha
Helix 2
AA2
A
58 61Right-handed 310
Helix 3
AA3
A
75 83Right-handed alpha
Helix 4
AA4
A
83 96Right-handed alpha
Helix 5
AA5
A
105 110Right-handed alpha
Helix 6
AA6
A
125 132Right-handed 310
Helix 7
AA7
A
133 137Right-handed 310
Helix 8
AA8
A
153 155Right-handed 310
Helix 9
AA9
A
156 169Right-handed alpha
Helix 10
AB1
A
170 182Right-handed alpha
Helix 11
AB2
B
14 28Right-handed alpha
Helix 12
AB3
B
58 61Right-handed 310
Helix 13
AB4
B
75 82Right-handed alpha
Helix 14
AB5
B
83 96Right-handed alpha
Helix 15
AB6
B
105 110Right-handed alpha
Helix 16
AB7
B
125 132Right-handed 310
Helix 17
AB8
B
133 137Right-handed 310
Helix 18
AB9
B
153 155Right-handed 310
Helix 19
AC1
B
156 169Right-handed alpha
Helix 20
AC2
B
170 182Right-handed alpha
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There are 3 sheets in PDB entry 4XLL. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3,

There are 7 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
55 56first strand
Strand 2
A
31 36parallel
Strand 3
A
4 9parallel
Strand 4
A
67 70parallel
Strand 5
A
99 103parallel
Strand 6
A
148 151parallel
Strand 7
A
142 145anti-parallel
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There are 4 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
42 44first strand
Strand 2
A
50 52anti-parallel
Strand 3
B
50 52anti-parallel
Strand 4
B
42 44anti-parallel
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There are 7 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
55 56first strand
Strand 2
B
31 36parallel
Strand 3
B
4 9parallel
Strand 4
B
67 70parallel
Strand 5
B
99 103parallel
Strand 6
B
148 151parallel
Strand 7
B
142 145anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il