Analysis of interatomic Contacts of Structural Units in PDB entry:
2IX2


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 2IX2 entry

There are 3 chains in PDB entry 2IX2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PHE 2LEU 249
B
 MET 1ASP 245
C
 ASN 10VAL 259
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 18 helices in PDB entry 2IX2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
8 19Right-handed alpha
Helix 2
2
A
55 57Right-handed 310
Helix 3
3
A
72 83Right-handed alpha
Helix 4
4
A
139 154Right-handed alpha
Helix 5
5
A
202 211Right-handed alpha
Helix 6
6
B
7 22Right-handed alpha
Helix 7
7
B
54 56Right-handed 310
Helix 8
8
B
72 80Right-handed alpha
Helix 9
9
B
136 147Right-handed alpha
Helix 10
10
B
198 203Right-handed alpha
Helix 11
11
B
204 210Right-handed 310
Helix 12
12
B
231 233Right-handed 310
Helix 13
13
C
22 37Right-handed alpha
Helix 14
14
C
69 71Right-handed 310
Helix 15
15
C
86 96Right-handed alpha
Helix 16
16
C
151 163Right-handed alpha
Helix 17
17
C
213 219Right-handed alpha
Helix 18
18
C
220 225Right-handed 310
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There are 7 sheets in PDB entry 2IX2. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, BA, BB, CA,

There are 9 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
59 61first strand
Strand 2
A
3 6anti-parallel
Strand 3
A
87 91anti-parallel
Strand 4
A
98 104anti-parallel
Strand 5
A
110 115anti-parallel
Strand 6
C
188 191anti-parallel
Strand 7
C
177 180anti-parallel
Strand 8
C
167 172anti-parallel
Strand 9
C
207 212anti-parallel
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There are 9 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
66 71first strand
Strand 2
A
25 31anti-parallel
Strand 3
A
34 40anti-parallel
Strand 4
A
46 53anti-parallel
Strand 5
A
240 245anti-parallel
Strand 6
A
229 234anti-parallel
Strand 7
A
219 223anti-parallel
Strand 8
A
134 138anti-parallel
Strand 9
A
189 192anti-parallel
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There are 5 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
186 187first strand
Strand 2
A
177 183parallel
Strand 3
A
165 170anti-parallel
Strand 4
A
156 162anti-parallel
Strand 5
A
197 201anti-parallel
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There are 7 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
186 187first strand
Strand 2
A
177 183parallel
Strand 3
B
106 112anti-parallel
Strand 4
B
96 102anti-parallel
Strand 5
B
87 92anti-parallel
Strand 6
B
2 5anti-parallel
Strand 7
B
59 60anti-parallel
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There are 9 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
66 71first strand
Strand 2
B
24 30anti-parallel
Strand 3
B
33 39anti-parallel
Strand 4
B
45 52anti-parallel
Strand 5
B
235 240anti-parallel
Strand 6
B
222 229anti-parallel
Strand 7
B
213 219anti-parallel
Strand 8
B
130 135anti-parallel
Strand 9
B
186 189anti-parallel
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There are 9 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
193 197first strand
Strand 2
B
152 158anti-parallel
Strand 3
B
161 167anti-parallel
Strand 4
B
171 177anti-parallel
Strand 5
C
122 127anti-parallel
Strand 6
C
111 116anti-parallel
Strand 7
C
102 108anti-parallel
Strand 8
C
16 20anti-parallel
Strand 9
C
73 76anti-parallel
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There are 9 strands in CA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
80 85first strand
Strand 2
C
39 44anti-parallel
Strand 3
C
48 54anti-parallel
Strand 4
C
60 67anti-parallel
Strand 5
C
250 255anti-parallel
Strand 6
C
237 244anti-parallel
Strand 7
C
228 234anti-parallel
Strand 8
C
145 150anti-parallel
Strand 9
C
198 203anti-parallel
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