Analysis of interatomic Contacts of Structural Units in PDB entry:
4I9F


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 4I9F entry

There are 2 chains in PDB entry 4I9F (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 2ASP 344
B
 MET 1THR 352
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 4I9F. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
4 8Right-handed 310
Helix 2
2
A
28 35Right-handed alpha
Helix 3
3
A
50 61Right-handed alpha
Helix 4
4
A
66 68Right-handed 310
Helix 5
5
A
73 85Right-handed alpha
Helix 6
6
A
96 106Right-handed alpha
Helix 7
7
A
113 117Right-handed 310
Helix 8
8
A
130 143Right-handed alpha
Helix 9
9
A
165 178Right-handed alpha
Helix 10
10
A
189 198Right-handed alpha
Helix 11
11
A
213 221Right-handed alpha
Helix 12
12
A
234 241Right-handed alpha
Helix 13
13
A
242 246Right-handed 310
Helix 14
14
A
253 259Right-handed 310
Helix 15
15
A
260 265Right-handed alpha
Helix 16
16
A
299 313Right-handed alpha
Helix 17
17
A
328 338Right-handed alpha
Helix 18
18
B
3 8Right-handed 310
Helix 19
19
B
28 35Right-handed alpha
Helix 20
20
B
50 61Right-handed alpha
Helix 21
21
B
66 68Right-handed 310
Helix 22
22
B
73 83Right-handed alpha
Helix 23
23
B
96 106Right-handed alpha
Helix 24
24
B
113 117Right-handed 310
Helix 25
25
B
130 143Right-handed alpha
Helix 26
26
B
165 178Right-handed alpha
Helix 27
27
B
189 199Right-handed alpha
Helix 28
28
B
213 221Right-handed alpha
Helix 29
29
B
233 240Right-handed alpha
Helix 30
30
B
242 246Right-handed 310
Helix 31
31
B
253 259Right-handed 310
Helix 32
32
B
260 265Right-handed alpha
Helix 33
33
B
299 311Right-handed alpha
Helix 34
34
B
328 338Right-handed alpha
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There are 10 sheets in PDB entry 4I9F. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

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
70 72first strand
Strand 2
A
39 44parallel
Strand 3
A
10 14parallel
Strand 4
A
204 208parallel
Strand 5
A
225 228parallel
Strand 6
A
249 251parallel
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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
20 21first strand
Strand 2
A
24 25anti-parallel
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There are 5 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
109 111first strand
Strand 2
A
90 94parallel
Strand 3
A
120 123parallel
Strand 4
A
146 149parallel
Strand 5
A
182 183parallel
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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 158first strand
Strand 2
A
161 164anti-parallel
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There are 3 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
272 277first strand
Strand 2
A
280 285anti-parallel
Strand 3
A
323 326parallel
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There are 6 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
70 72first strand
Strand 2
B
39 44parallel
Strand 3
B
10 14parallel
Strand 4
B
204 208parallel
Strand 5
B
225 228parallel
Strand 6
B
249 251parallel
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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
20 21first strand
Strand 2
B
24 25anti-parallel
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There are 5 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
109 111first strand
Strand 2
B
90 94parallel
Strand 3
B
120 123parallel
Strand 4
B
146 149parallel
Strand 5
B
182 183parallel
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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
B
155 158first strand
Strand 2
B
161 164anti-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
B
272 277first strand
Strand 2
B
280 285anti-parallel
Strand 3
B
323 326parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il