Analysis of interatomic Contacts of Structural Units in PDB entry:
1KCA


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 1KCA entry

There are 8 chains in PDB entry 1KCA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 136GLY 236
B
 ALA 136GLY 236
C
 ALA 136GLY 236
D
 ALA 136GLY 236
E
 ALA 136GLY 236
F
 ALA 136GLY 236
G
 ALA 136GLY 236
H
 ALA 136GLY 236
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 9 helices in PDB entry 1KCA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
231 236Right-handed 310
Helix 2
2
B
231 236Right-handed 310
Helix 3
3
C
231 236Right-handed 310
Helix 4
4
D
231 236Right-handed 310
Helix 5
5
E
231 235Right-handed 310
Helix 6
6
F
231 236Right-handed 310
Helix 7
7
G
231 236Right-handed 310
Helix 8
8
H
147 151Right-handed 310
Helix 9
9
H
231 236Right-handed 310
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There are 8 sheets in PDB entry 1KCA. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 7 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
141 144first strand
Strand 2
A
165 169anti-parallel
Strand 3
A
220 229anti-parallel
Strand 4
A
179 183anti-parallel
Strand 5
A
189 197anti-parallel
Strand 6
A
200 204anti-parallel
Strand 7
A
213 214anti-parallel
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There are 7 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
141 144first strand
Strand 2
B
165 169anti-parallel
Strand 3
B
220 229anti-parallel
Strand 4
B
179 183anti-parallel
Strand 5
B
191 196anti-parallel
Strand 6
B
201 204anti-parallel
Strand 7
B
213 214anti-parallel
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There are 7 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
141 144first strand
Strand 2
C
165 169anti-parallel
Strand 3
C
219 229anti-parallel
Strand 4
C
179 184anti-parallel
Strand 5
C
188 197anti-parallel
Strand 6
C
200 204anti-parallel
Strand 7
C
213 214anti-parallel
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There are 7 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
141 144first strand
Strand 2
D
165 169anti-parallel
Strand 3
D
220 229anti-parallel
Strand 4
D
179 183anti-parallel
Strand 5
D
189 197anti-parallel
Strand 6
D
200 204anti-parallel
Strand 7
D
213 214anti-parallel
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There are 7 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
141 144first strand
Strand 2
E
165 169anti-parallel
Strand 3
E
220 229anti-parallel
Strand 4
E
179 183anti-parallel
Strand 5
E
189 196anti-parallel
Strand 6
E
201 204anti-parallel
Strand 7
E
213 214anti-parallel
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There are 7 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
141 144first strand
Strand 2
F
165 169anti-parallel
Strand 3
F
219 229anti-parallel
Strand 4
F
179 184anti-parallel
Strand 5
F
191 196anti-parallel
Strand 6
F
201 204anti-parallel
Strand 7
F
213 214anti-parallel
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There are 7 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
141 144first strand
Strand 2
G
165 169anti-parallel
Strand 3
G
219 229anti-parallel
Strand 4
G
179 184anti-parallel
Strand 5
G
189 197anti-parallel
Strand 6
G
200 204anti-parallel
Strand 7
G
213 214anti-parallel
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There are 7 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
141 144first strand
Strand 2
H
165 169anti-parallel
Strand 3
H
220 229anti-parallel
Strand 4
H
179 183anti-parallel
Strand 5
H
189 197anti-parallel
Strand 6
H
200 204anti-parallel
Strand 7
H
213 214anti-parallel
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