Analysis of interatomic Contacts of Structural Units in PDB entry:
4CT3


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 4CT3 entry

There are 8 chains in PDB entry 4CT3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
E
 ALA 2GLN 53
E
 GLN 55ALA 165
G
 ALA 2GLN 53
G
 GLN 55ALA 165
I
 ALA 2GLN 53
I
 GLN 55ALA 165
K
 ALA 2GLN 53
K
 GLN 55ALA 165
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 4CT3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
E
5 18Right-handed alpha
Helix 2
2
E
55 66Right-handed alpha
Helix 3
3
E
75 82Right-handed 310
Helix 4
4
E
109 113Right-handed 310
Helix 5
5
G
5 18Right-handed alpha
Helix 6
6
G
55 66Right-handed alpha
Helix 7
7
G
75 82Right-handed 310
Helix 8
8
G
109 113Right-handed 310
Helix 9
9
I
5 17Right-handed alpha
Helix 10
10
I
55 66Right-handed alpha
Helix 11
11
I
75 82Right-handed 310
Helix 12
12
I
109 113Right-handed 310
Helix 13
13
K
5 17Right-handed alpha
Helix 14
14
K
55 66Right-handed alpha
Helix 15
15
K
75 82Right-handed 310
Helix 16
16
K
109 113Right-handed 310
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There are 8 sheets in PDB entry 4CT3. Click on sheet of interest to get list of strands forming it: AA, AB, BA, BB, CA, CB, A, DB,

There are 2 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
3 4first strand
Strand 2
E
163 164parallel
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There are 6 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
89 92first strand
Strand 2
E
155 160anti-parallel
Strand 3
E
104 107anti-parallel
Strand 4
E
117 123anti-parallel
Strand 5
E
130 134anti-parallel
Strand 6
E
146 150anti-parallel
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There are 2 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
3 4first strand
Strand 2
G
163 164parallel
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There are 6 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
89 92first strand
Strand 2
G
155 160anti-parallel
Strand 3
G
104 107anti-parallel
Strand 4
G
117 123anti-parallel
Strand 5
G
130 134anti-parallel
Strand 6
G
146 150anti-parallel
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There are 2 strands in CA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
3 4first strand
Strand 2
I
163 164parallel
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There are 6 strands in CB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
89 92first strand
Strand 2
I
155 160anti-parallel
Strand 3
I
104 107anti-parallel
Strand 4
I
117 123anti-parallel
Strand 5
I
130 134anti-parallel
Strand 6
I
146 150anti-parallel
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There are 2 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
K
3 4first strand
Strand 2
K
163 164parallel
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There are 6 strands in DB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
K
89 92first strand
Strand 2
K
155 160anti-parallel
Strand 3
K
104 107anti-parallel
Strand 4
K
117 123anti-parallel
Strand 5
K
130 134anti-parallel
Strand 6
K
146 150anti-parallel
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