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


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 4KAQ entry

There are 2 chains in PDB entry 4KAQ (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
L
 VAL 3CYS 213
H
 VAL 2PRO 221
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 7 helices in PDB entry 4KAQ. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
L
78 82Right-handed 310
Helix 2
2
L
120 126Right-handed alpha
Helix 3
3
L
182 186Right-handed alpha
Helix 4
4
H
28 32Right-handed 310
Helix 5
5
H
87 91Right-handed 310
Helix 6
6
H
164 166Right-handed 310
Helix 7
7
H
209 212Right-handed 310
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There are 11 sheets in PDB entry 4KAQ. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K,

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
L
4 7first strand
Strand 2
L
19 25anti-parallel
Strand 3
L
69 74anti-parallel
Strand 4
L
61 66anti-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
L
10 13first strand
Strand 2
L
101 105parallel
Strand 3
L
84 89anti-parallel
Strand 4
L
33 37anti-parallel
Strand 5
L
44 48anti-parallel
Strand 6
L
52 53anti-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
L
10 13first strand
Strand 2
L
101 105parallel
Strand 3
L
84 89anti-parallel
Strand 4
L
96 97anti-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
L
113 117first strand
Strand 2
L
128 138anti-parallel
Strand 3
L
172 181anti-parallel
Strand 4
L
158 162anti-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
L
152 153first strand
Strand 2
L
144 149anti-parallel
Strand 3
L
190 196anti-parallel
Strand 4
L
204 209anti-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
H
3 5first 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 G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
9 12first strand
Strand 2
H
115 119parallel
Strand 3
H
92 102anti-parallel
Strand 4
H
34 40anti-parallel
Strand 5
H
44 51anti-parallel
Strand 6
H
58 60anti-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
H
9 12first strand
Strand 2
H
115 119parallel
Strand 3
H
92 102anti-parallel
Strand 4
H
105 111anti-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
H
128 132first strand
Strand 2
H
143 153anti-parallel
Strand 3
H
184 193anti-parallel
Strand 4
H
171 173anti-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
H
139 140first strand
Strand 2
H
143 153anti-parallel
Strand 3
H
184 193anti-parallel
Strand 4
H
177 178anti-parallel
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There are 3 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
159 162first strand
Strand 2
H
203 208anti-parallel
Strand 3
H
213 218anti-parallel
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