Analysis of interatomic Contacts of Structural Units in PDB entry:
3K2M


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 3K2M entry

There are 4 chains in PDB entry 3K2M (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 140ARG 239
B
 GLU 142LYS 238
C
 GLY 1CYS 101
D
 GLY 1CYS 101
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 3K2M. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
140 144Right-handed 310
Helix 2
2
A
152 160Right-handed alpha
Helix 3
3
A
213 224Right-handed alpha
Helix 4
4
B
152 162Right-handed alpha
Helix 5
5
B
213 224Right-handed alpha
Helix 6
6
D
29 32Right-handed 310
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There are 10 sheets in PDB entry 3K2M. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

There are 5 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
147 149first strand
Strand 2
A
167 172parallel
Strand 3
A
180 186anti-parallel
Strand 4
A
189 197anti-parallel
Strand 5
A
203 204anti-parallel
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There are 3 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
147 149first strand
Strand 2
A
167 172parallel
Strand 3
A
234 235parallel
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There are 5 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
147 149first strand
Strand 2
B
167 172parallel
Strand 3
B
180 186anti-parallel
Strand 4
B
189 197anti-parallel
Strand 5
B
203 204anti-parallel
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There are 3 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
147 149first strand
Strand 2
B
167 172parallel
Strand 3
B
234 235parallel
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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
C
2 5first strand
Strand 2
D
10 17anti-parallel
Strand 3
D
20 25anti-parallel
Strand 4
D
61 64anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
61 64first strand
Strand 2
C
20 25anti-parallel
Strand 3
C
10 17anti-parallel
Strand 4
D
3 5anti-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
C
51 56first strand
Strand 2
C
36 43anti-parallel
Strand 3
C
72 82anti-parallel
Strand 4
C
88 90anti-parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
51 56first strand
Strand 2
C
36 43anti-parallel
Strand 3
C
72 82anti-parallel
Strand 4
C
94 99anti-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
D
51 56first strand
Strand 2
D
34 43anti-parallel
Strand 3
D
73 82anti-parallel
Strand 4
D
88 90anti-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
D
51 56first strand
Strand 2
D
34 43anti-parallel
Strand 3
D
73 82anti-parallel
Strand 4
D
94 98anti-parallel
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