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


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 1XKB entry

There are 6 chains in PDB entry 1XKB (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 48LYS 62
A
 GLY 64GLU 138
C
 ILE 16ARG 245
B
 CYS 50LYS 62
B
 GLY 64ARG 139
D
 ILE 16THR 244
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 1XKB. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
92 95Right-handed 310
Helix 2
2
C
56 60Right-handed 310
Helix 3
3
C
125 131Right-handed alpha
Helix 4
4
C
165 171Right-handed alpha
Helix 5
5
C
231 233Right-handed 310
Helix 6
6
C
235 241Right-handed alpha
Helix 7
7
B
92 95Right-handed 310
Helix 8
8
D
56 60Right-handed 310
Helix 9
9
D
125 131Right-handed alpha
Helix 10
10
D
165 171Right-handed alpha
Helix 11
11
D
231 233Right-handed 310
Helix 12
12
D
235 241Right-handed alpha
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There are 12 sheets in PDB entry 1XKB. 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
99 102first strand
Strand 2
A
107 110anti-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
115 117first strand
Strand 2
A
124 126anti-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
C
81 84first strand
Strand 2
C
65 68anti-parallel
Strand 3
C
30 34anti-parallel
Strand 4
C
40 45anti-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
C
51 54first strand
Strand 2
C
104 108anti-parallel
Strand 3
C
85 90anti-parallel
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There are 2 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
135 140first strand
Strand 2
C
156 161anti-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
180 183first strand
Strand 2
C
226 230anti-parallel
Strand 3
C
206 216anti-parallel
Strand 4
C
198 203anti-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
B
99 103first strand
Strand 2
B
106 110anti-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
B
115 117first strand
Strand 2
B
124 126anti-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
81 83first strand
Strand 2
D
65 68anti-parallel
Strand 3
D
30 34anti-parallel
Strand 4
D
40 45anti-parallel
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There are 3 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 54first strand
Strand 2
D
104 108anti-parallel
Strand 3
D
85 90anti-parallel
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There are 2 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
135 140first strand
Strand 2
D
156 161anti-parallel
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There are 4 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
180 183first strand
Strand 2
D
226 230anti-parallel
Strand 3
D
206 216anti-parallel
Strand 4
D
198 203anti-parallel
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