Analysis of interatomic Contacts of Structural Units in PDB entry:
3KR3


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 3KR3 entry

There are 3 chains in PDB entry 3KR3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
D
 SER 5ALA 64
H
 GLU 1LYS 223
L
 GLN 1GLU 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 12 helices in PDB entry 3KR3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
D
9 21Right-handed alpha
Helix 2
2
D
30 35Right-handed alpha
Helix 3
3
D
36 49Right-handed alpha
Helix 4
4
D
52 59Right-handed alpha
Helix 5
5
H
28 32Right-handed 310
Helix 6
6
H
62 65Right-handed 310
Helix 7
7
H
87 91Right-handed 310
Helix 8
8
H
165 167Right-handed 310
Helix 9
9
H
210 213Right-handed 310
Helix 10
10
L
80 84Right-handed 310
Helix 11
11
L
122 128Right-handed alpha
Helix 12
12
L
184 189Right-handed alpha
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There are 10 sheets in PDB entry 3KR3. 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 7first 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
116 120parallel
Strand 3
H
92 99anti-parallel
Strand 4
H
34 39anti-parallel
Strand 5
H
45 51anti-parallel
Strand 6
H
58 60anti-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
116 120parallel
Strand 3
H
92 99anti-parallel
Strand 4
H
109 112anti-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
129 133first strand
Strand 2
H
144 154anti-parallel
Strand 3
H
185 194anti-parallel
Strand 4
H
172 174anti-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
129 133first strand
Strand 2
H
144 154anti-parallel
Strand 3
H
185 194anti-parallel
Strand 4
H
178 179anti-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
160 163first strand
Strand 2
H
204 209anti-parallel
Strand 3
H
214 219anti-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
5 8first strand
Strand 2
L
20 26anti-parallel
Strand 3
L
72 76anti-parallel
Strand 4
L
63 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
11 15first strand
Strand 2
L
103 108parallel
Strand 3
L
85 91anti-parallel
Strand 4
L
34 39anti-parallel
Strand 5
L
46 50anti-parallel
Strand 6
L
54 55anti-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
115 119first strand
Strand 2
L
130 140anti-parallel
Strand 3
L
174 183anti-parallel
Strand 4
L
160 164anti-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
154 155first strand
Strand 2
L
146 151anti-parallel
Strand 3
L
192 198anti-parallel
Strand 4
L
206 211anti-parallel
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