Analysis of interatomic Contacts of Structural Units in PDB entry:
4C9U


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 4C9U entry

There are 4 chains in PDB entry 4C9U (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 22PRO 182
B
 ILE 39CYS 141
C
 ALA 28PRO 182
D
 ILE 39CYS 124
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 6 helices in PDB entry 4C9U. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
111 122Right-handed alpha
Helix 2
2
A
135 142Right-handed alpha
Helix 3
3
A
157 171Right-handed alpha
Helix 4
4
C
111 122Right-handed alpha
Helix 5
5
C
135 142Right-handed alpha
Helix 6
6
C
157 171Right-handed alpha
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There are 11 sheets in PDB entry 4C9U. Click on sheet of interest to get list of strands forming it: AA, BA, BB, BC, BD, BE, CA, A, DB, C, DD,

There are 8 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
31 41first strand
Strand 2
A
47 58anti-parallel
Strand 3
A
153 156anti-parallel
Strand 4
A
124 130parallel
Strand 5
A
93 98parallel
Strand 6
A
67 73parallel
Strand 7
A
174 179anti-parallel
Strand 8
A
31 41anti-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
B
43 47first strand
Strand 2
B
51 55anti-parallel
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There are 2 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
60 66first strand
Strand 2
B
69 75anti-parallel
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There are 2 strands in BC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
82 86first strand
Strand 2
B
91 95anti-parallel
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There are 2 strands in BD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
101 106first strand
Strand 2
B
109 113anti-parallel
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There are 2 strands in BE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
118 120first strand
Strand 2
B
123 125anti-parallel
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There are 8 strands in CA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
31 41first strand
Strand 2
C
47 58anti-parallel
Strand 3
C
153 156anti-parallel
Strand 4
C
124 130parallel
Strand 5
C
93 98parallel
Strand 6
C
67 73parallel
Strand 7
C
174 179anti-parallel
Strand 8
C
31 41anti-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
D
43 47first strand
Strand 2
D
51 55anti-parallel
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There are 2 strands in DB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
60 66first strand
Strand 2
D
69 75anti-parallel
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There are 2 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
82 86first strand
Strand 2
D
91 95anti-parallel
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There are 2 strands in DD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
101 104first strand
Strand 2
D
110 113anti-parallel
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