Analysis of interatomic Contacts of Structural Units in PDB entry:
4I9B


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 4I9B entry

There are 2 chains in PDB entry 4I9B (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 VAL 6PRO 501
B
 VAL 6PRO 501
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 35 helices in PDB entry 4I9B. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
46 63Right-handed alpha
Helix 2
2
A
63 68Right-handed alpha
Helix 3
3
A
70 88Right-handed alpha
Helix 4
4
A
88 101Right-handed alpha
Helix 5
5
A
103 129Right-handed alpha
Helix 6
6
A
163 178Right-handed alpha
Helix 7
7
A
191 205Right-handed alpha
Helix 8
8
A
217 227Right-handed alpha
Helix 9
9
A
239 252Right-handed alpha
Helix 10
10
A
275 289Right-handed alpha
Helix 11
11
A
290 293Right-handed 310
Helix 12
12
A
307 321Right-handed alpha
Helix 13
13
A
339 356Right-handed alpha
Helix 14
14
A
388 393Right-handed alpha
Helix 15
15
A
407 416Right-handed alpha
Helix 16
16
A
430 441Right-handed alpha
Helix 17
17
A
463 465Right-handed 310
Helix 18
18
A
472 479Right-handed alpha
Helix 19
19
B
46 63Right-handed alpha
Helix 20
20
B
70 88Right-handed alpha
Helix 21
21
B
88 101Right-handed alpha
Helix 22
22
B
103 129Right-handed alpha
Helix 23
23
B
163 178Right-handed alpha
Helix 24
24
B
191 204Right-handed alpha
Helix 25
25
B
217 227Right-handed alpha
Helix 26
26
B
239 252Right-handed alpha
Helix 27
27
B
275 289Right-handed alpha
Helix 28
28
B
290 293Right-handed 310
Helix 29
29
B
307 321Right-handed alpha
Helix 30
30
B
339 355Right-handed alpha
Helix 31
31
B
388 393Right-handed alpha
Helix 32
32
B
407 417Right-handed alpha
Helix 33
33
B
430 441Right-handed alpha
Helix 34
34
B
463 465Right-handed 310
Helix 35
35
B
472 479Right-handed alpha
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There are 8 sheets in PDB entry 4I9B. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

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
13 15first strand
Strand 2
A
18 20anti-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
27 31first strand
Strand 2
A
38 43anti-parallel
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There are 10 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
133 136first strand
Strand 2
A
143 151anti-parallel
Strand 3
A
481 489anti-parallel
Strand 4
B
445 448parallel
Strand 5
B
425 427parallel
Strand 6
B
265 269parallel
Strand 7
B
298 304parallel
Strand 8
B
399 405parallel
Strand 9
B
379 382parallel
Strand 10
B
359 362anti-parallel
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There are 6 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
211 213first strand
Strand 2
A
181 185parallel
Strand 3
A
154 158parallel
Strand 4
A
233 237parallel
Strand 5
A
257 260parallel
Strand 6
A
467 468anti-parallel
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There are 10 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
359 362first strand
Strand 2
A
379 382anti-parallel
Strand 3
A
399 405parallel
Strand 4
A
298 304parallel
Strand 5
A
265 269parallel
Strand 6
A
425 427parallel
Strand 7
A
445 448parallel
Strand 8
B
481 489parallel
Strand 9
B
143 151anti-parallel
Strand 10
B
133 136anti-parallel
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There are 2 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
13 15first strand
Strand 2
B
18 20anti-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
27 31first strand
Strand 2
B
38 43anti-parallel
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There are 6 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
211 213first strand
Strand 2
B
181 185parallel
Strand 3
B
154 158parallel
Strand 4
B
233 237parallel
Strand 5
B
257 260parallel
Strand 6
B
467 468anti-parallel
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