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


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 4IXO entry

There are 4 chains in PDB entry 4IXO (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 HIS 0HIS 195
A
 ILE 197VAL 369
B
 MET 1HIS 195
B
 ILE 197SER 372
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 34 helices in PDB entry 4IXO. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
13 23Right-handed alpha
Helix 2
2
A
34 55Right-handed alpha
Helix 3
3
A
58 62Right-handed 310
Helix 4
4
A
71 82Right-handed alpha
Helix 5
5
A
95 100Right-handed alpha
Helix 6
6
A
101 104Right-handed 310
Helix 7
7
A
120 131Right-handed alpha
Helix 8
8
A
152 163Right-handed alpha
Helix 9
9
A
181 186Right-handed alpha
Helix 10
10
A
195 198Right-handed 310
Helix 11
11
A
223 227Right-handed 310
Helix 12
12
A
233 250Right-handed alpha
Helix 13
13
A
250 270Right-handed alpha
Helix 14
14
A
297 308Right-handed alpha
Helix 15
15
A
327 332Right-handed alpha
Helix 16
16
A
335 340Right-handed alpha
Helix 17
17
A
352 367Right-handed alpha
Helix 18
18
B
13 23Right-handed alpha
Helix 19
19
B
34 55Right-handed alpha
Helix 20
20
B
58 62Right-handed 310
Helix 21
21
B
71 82Right-handed alpha
Helix 22
22
B
95 100Right-handed alpha
Helix 23
23
B
101 104Right-handed 310
Helix 24
24
B
120 131Right-handed alpha
Helix 25
25
B
152 163Right-handed alpha
Helix 26
26
B
181 186Right-handed alpha
Helix 27
27
B
195 198Right-handed 310
Helix 28
28
B
223 227Right-handed 310
Helix 29
29
B
233 250Right-handed alpha
Helix 30
30
B
250 270Right-handed alpha
Helix 31
31
B
297 308Right-handed alpha
Helix 32
32
B
327 332Right-handed alpha
Helix 33
33
B
335 340Right-handed alpha
Helix 34
34
B
352 367Right-handed alpha
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There are 6 sheets in PDB entry 4IXO. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

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
2 3first strand
Strand 2
A
310 311parallel
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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
64 69first strand
Strand 2
A
204 209anti-parallel
Strand 3
A
189 193anti-parallel
Strand 4
A
166 170parallel
Strand 5
A
136 139parallel
Strand 6
A
87 91parallel
Strand 7
A
108 111parallel
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There are 3 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
276 277first strand
Strand 2
A
288 292anti-parallel
Strand 3
A
343 346anti-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
B
2 3first strand
Strand 2
B
310 311parallel
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There are 7 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
64 69first strand
Strand 2
B
204 209anti-parallel
Strand 3
B
189 193anti-parallel
Strand 4
B
166 170parallel
Strand 5
B
136 139parallel
Strand 6
B
87 91parallel
Strand 7
B
108 111parallel
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There are 3 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
276 277first strand
Strand 2
B
288 292anti-parallel
Strand 3
B
343 346anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il