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


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 1IXC entry

There are 2 chains in PDB entry 1IXC (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MSE 1ASP 294
B
 MSE 1ARG 289
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 26 helices in PDB entry 1IXC. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
2 16Right-handed alpha
Helix 2
2
A
17 26Right-handed alpha
Helix 3
3
A
28 44Right-handed alpha
Helix 4
4
A
58 88Right-handed alpha
Helix 5
5
A
99 103Right-handed 310
Helix 6
6
A
104 117Right-handed alpha
Helix 7
7
A
128 138Right-handed alpha
Helix 8
8
A
172 177Right-handed 310
Helix 9
9
A
182 187Right-handed 310
Helix 10
10
A
201 213Right-handed alpha
Helix 11
11
A
225 235Right-handed alpha
Helix 12
12
A
244 248Right-handed alpha
Helix 13
13
A
278 293Right-handed alpha
Helix 14
14
B
2 16Right-handed alpha
Helix 15
15
B
17 26Right-handed alpha
Helix 16
16
B
28 44Right-handed alpha
Helix 17
17
B
58 87Right-handed alpha
Helix 18
18
B
99 103Right-handed 310
Helix 19
19
B
104 116Right-handed alpha
Helix 20
20
B
128 138Right-handed alpha
Helix 21
21
B
172 174Right-handed 310
Helix 22
22
B
182 187Right-handed 310
Helix 23
23
B
201 213Right-handed alpha
Helix 24
24
B
225 235Right-handed alpha
Helix 25
25
B
244 248Right-handed alpha
Helix 26
26
B
278 289Right-handed alpha
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There are 6 sheets in PDB entry 1IXC. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 6 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
120 126first strand
Strand 2
A
91 97parallel
Strand 3
A
143 146parallel
Strand 4
A
265 273anti-parallel
Strand 5
A
155 170anti-parallel
Strand 6
A
239 243anti-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
A
120 126first strand
Strand 2
A
91 97parallel
Strand 3
A
143 146parallel
Strand 4
A
265 273anti-parallel
Strand 5
A
155 170anti-parallel
Strand 6
A
254 259anti-parallel
Strand 7
A
180 181parallel
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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
191 193first strand
Strand 2
A
219 222parallel
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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
B
48 51first strand
Strand 2
B
54 57anti-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
120 126first strand
Strand 2
B
91 97parallel
Strand 3
B
143 146parallel
Strand 4
B
265 273anti-parallel
Strand 5
B
155 170anti-parallel
Strand 6
B
239 243anti-parallel
Strand 7
B
190 193parallel
Strand 8
B
218 222parallel
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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
120 126first strand
Strand 2
B
91 97parallel
Strand 3
B
143 146parallel
Strand 4
B
265 273anti-parallel
Strand 5
B
155 170anti-parallel
Strand 6
B
254 259anti-parallel
Strand 7
B
180 181parallel
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