Analysis of interatomic Contacts of Structural Units in PDB entry:
1XI8


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 1XI8 entry

There are 2 chains in PDB entry 1XI8 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 6TYR 396
B
 ARG 6TYR 396
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 16 helices in PDB entry 1XI8. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
9 20Right-handed alpha
Helix 2
2
A
33 35Right-handed 310
Helix 3
3
A
162 173Right-handed alpha
Helix 4
4
A
211 223Right-handed alpha
Helix 5
5
A
236 251Right-handed alpha
Helix 6
6
A
299 310Right-handed alpha
Helix 7
7
A
310 320Right-handed alpha
Helix 8
8
A
366 371Right-handed alpha
Helix 9
9
B
9 20Right-handed alpha
Helix 10
10
B
33 36Right-handed 310
Helix 11
11
B
162 172Right-handed alpha
Helix 12
12
B
211 223Right-handed alpha
Helix 13
13
B
236 251Right-handed alpha
Helix 14
14
B
299 310Right-handed alpha
Helix 15
15
B
310 320Right-handed alpha
Helix 16
16
B
366 371Right-handed alpha
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There are 10 sheets in PDB entry 1XI8. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

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
27 31first strand
Strand 2
A
176 180anti-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
44 45first strand
Strand 2
A
153 155anti-parallel
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There are 6 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
226 232first strand
Strand 2
A
184 189parallel
Strand 3
A
253 256parallel
Strand 4
A
293 295parallel
Strand 5
A
288 290anti-parallel
Strand 6
A
276 277anti-parallel
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There are 7 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
281 282first strand
Strand 2
A
343 351parallel
Strand 3
A
374 379anti-parallel
Strand 4
A
390 395anti-parallel
Strand 5
A
327 332anti-parallel
Strand 6
A
354 357parallel
Strand 7
A
343 351anti-parallel
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There are 2 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
336 337first strand
Strand 2
A
384 385anti-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
27 31first strand
Strand 2
B
176 180anti-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
44 45first strand
Strand 2
B
153 155anti-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
226 233first strand
Strand 2
B
184 190parallel
Strand 3
B
253 257parallel
Strand 4
B
293 296parallel
Strand 5
B
288 290anti-parallel
Strand 6
B
276 277anti-parallel
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There are 7 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
281 282first strand
Strand 2
B
343 351parallel
Strand 3
B
374 378anti-parallel
Strand 4
B
390 395anti-parallel
Strand 5
B
327 332anti-parallel
Strand 6
B
354 357parallel
Strand 7
B
343 351anti-parallel
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There are 2 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
336 337first strand
Strand 2
B
384 385anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il