Analysis of interatomic Contacts of Structural Units in PDB entry:
3K9X


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 3K9X entry

There are 4 chains in PDB entry 3K9X (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 CYS 90GLU 178
B
 ILE 16PRO 248
C
 PRO 94GLU 178
D
 ILE 16PRO 248
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 10 helices in PDB entry 3K9X. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
131 136Right-handed 310
Helix 2
2
B
55 61Right-handed 310
Helix 3
3
B
124 131Right-handed alpha
Helix 4
4
B
164 172Right-handed alpha
Helix 5
5
B
234 243Right-handed alpha
Helix 6
6
C
131 136Right-handed 310
Helix 7
7
D
55 61Right-handed 310
Helix 8
8
D
124 131Right-handed alpha
Helix 9
9
D
164 172Right-handed alpha
Helix 10
10
D
234 244Right-handed alpha
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There are 12 sheets in PDB entry 3K9X. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 2 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
100 102first strand
Strand 2
A
109 111anti-parallel
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There are 2 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
116 117first strand
Strand 2
A
123 124anti-parallel
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There are 2 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
139 143first strand
Strand 2
A
146 150anti-parallel
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There are 2 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
155 157first strand
Strand 2
A
164 166anti-parallel
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There are 8 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
20 21first strand
Strand 2
B
156 163anti-parallel
Strand 3
B
180 183anti-parallel
Strand 4
B
226 230anti-parallel
Strand 5
B
206 215anti-parallel
Strand 6
B
198 203anti-parallel
Strand 7
B
135 140anti-parallel
Strand 8
B
156 163anti-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
B
81 83first strand
Strand 2
B
65 68anti-parallel
Strand 3
B
30 34anti-parallel
Strand 4
B
40 46anti-parallel
Strand 5
B
51 54anti-parallel
Strand 6
B
104 108anti-parallel
Strand 7
B
85 90anti-parallel
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There are 2 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
100 102first strand
Strand 2
C
109 111anti-parallel
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There are 2 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
116 117first strand
Strand 2
C
123 124anti-parallel
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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
139 143first strand
Strand 2
C
146 150anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
155 157first strand
Strand 2
C
164 166anti-parallel
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There are 8 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
20 21first strand
Strand 2
D
156 163anti-parallel
Strand 3
D
180 183anti-parallel
Strand 4
D
226 230anti-parallel
Strand 5
D
206 215anti-parallel
Strand 6
D
198 203anti-parallel
Strand 7
D
135 140anti-parallel
Strand 8
D
156 163anti-parallel
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There are 7 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
81 83first strand
Strand 2
D
65 68anti-parallel
Strand 3
D
30 34anti-parallel
Strand 4
D
40 46anti-parallel
Strand 5
D
51 54anti-parallel
Strand 6
D
104 108anti-parallel
Strand 7
D
85 90anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il