Analysis of interatomic Contacts of Structural Units in PDB entry:
2CH8


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 2CH8 entry

There are 4 chains in PDB entry 2CH8 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 VAL 21LEU 219
B
 VAL 21SER 220
C
 VAL 21SER 220
D
 VAL 21LEU 219
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 11 helices in PDB entry 2CH8. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
40 44Right-handed 310
Helix 2
2
A
72 74Right-handed 310
Helix 3
3
A
95 99Right-handed 310
Helix 4
4
B
40 44Right-handed 310
Helix 5
5
B
72 75Right-handed 310
Helix 6
6
B
95 99Right-handed 310
Helix 7
7
C
72 74Right-handed 310
Helix 8
8
C
95 99Right-handed 310
Helix 9
9
D
40 44Right-handed 310
Helix 10
10
D
72 74Right-handed 310
Helix 11
11
D
95 99Right-handed 310
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There are 10 sheets in PDB entry 2CH8. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, BA, BB, BC, BD, CA, A,

There are 6 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
22 24first strand
Strand 2
A
111 133parallel
Strand 3
A
100 108anti-parallel
Strand 4
A
45 51anti-parallel
Strand 5
A
57 64anti-parallel
Strand 6
A
67 70anti-parallel
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There are 5 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
22 24first strand
Strand 2
A
111 133parallel
Strand 3
A
142 151anti-parallel
Strand 4
A
183 191anti-parallel
Strand 5
A
176 177anti-parallel
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There are 3 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
29 34first strand
Strand 2
A
86 91anti-parallel
Strand 3
A
78 83anti-parallel
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There are 6 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
154 159first strand
Strand 2
A
199 205anti-parallel
Strand 3
A
208 216anti-parallel
Strand 4
D
208 216anti-parallel
Strand 5
D
199 205anti-parallel
Strand 6
D
154 159anti-parallel
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There are 6 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
22 24first strand
Strand 2
B
111 133parallel
Strand 3
B
100 108anti-parallel
Strand 4
B
45 51anti-parallel
Strand 5
B
57 64anti-parallel
Strand 6
B
67 70anti-parallel
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There are 5 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
22 24first strand
Strand 2
B
111 133parallel
Strand 3
B
142 151anti-parallel
Strand 4
B
183 191anti-parallel
Strand 5
B
176 177anti-parallel
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There are 3 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
29 34first strand
Strand 2
B
86 91anti-parallel
Strand 3
B
78 83anti-parallel
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There are 6 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
154 159first strand
Strand 2
B
199 205anti-parallel
Strand 3
B
208 216anti-parallel
Strand 4
C
208 216anti-parallel
Strand 5
C
199 205anti-parallel
Strand 6
C
154 159anti-parallel
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There are 3 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
29 34first strand
Strand 2
C
86 91anti-parallel
Strand 3
C
78 83anti-parallel
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There are 3 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
29 34first strand
Strand 2
D
86 91anti-parallel
Strand 3
D
78 83anti-parallel
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