Analysis of interatomic Contacts of Structural Units in PDB entry:
1C9U


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 1C9U entry

There are 2 chains in PDB entry 1C9U (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 1THR 450
B
 ASP 1LYS 452
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 12 helices in PDB entry 1C9U. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
5 11Right-handed alpha
Helix 2
2
A
168 172Right-handed 310
Helix 3
3
A
183 189Right-handed alpha
Helix 4
4
A
282 285Right-handed 310
Helix 5
5
A
308 312Right-handed 310
Helix 6
6
A
335 339Right-handed 310
Helix 7
7
A
341 346Right-handed 310
Helix 8
8
B
5 11Right-handed alpha
Helix 9
9
B
168 172Right-handed 310
Helix 10
10
B
183 189Right-handed alpha
Helix 11
11
B
282 285Right-handed 310
Helix 12
12
B
308 312Right-handed 310
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There are 17 sheets in PDB entry 1C9U. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q,

There are 4 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
19 23first strand
Strand 2
A
446 449anti-parallel
Strand 3
A
419 423anti-parallel
Strand 4
A
407 412anti-parallel
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There are 4 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
29 34first strand
Strand 2
A
40 44anti-parallel
Strand 3
A
49 53anti-parallel
Strand 4
A
60 65anti-parallel
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There are 4 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
79 84first strand
Strand 2
A
93 101anti-parallel
Strand 3
A
112 122anti-parallel
Strand 4
A
127 138anti-parallel
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There are 4 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
146 151first strand
Strand 2
A
157 161anti-parallel
Strand 3
A
198 202anti-parallel
Strand 4
A
222 225anti-parallel
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There are 4 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
229 235first strand
Strand 2
A
241 246anti-parallel
Strand 3
A
252 257anti-parallel
Strand 4
A
322 324anti-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
A
279 280first strand
Strand 2
A
306 307anti-parallel
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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
355 356first strand
Strand 2
A
370 374anti-parallel
Strand 3
A
381 385anti-parallel
Strand 4
A
398 400anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
429 430first strand
Strand 2
A
436 437anti-parallel
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There are 4 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
17 23first strand
Strand 2
B
446 451anti-parallel
Strand 3
B
418 423anti-parallel
Strand 4
B
407 412anti-parallel
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There are 4 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
29 34first strand
Strand 2
B
40 44anti-parallel
Strand 3
B
49 53anti-parallel
Strand 4
B
62 65anti-parallel
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There are 4 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
79 84first strand
Strand 2
B
93 101anti-parallel
Strand 3
B
112 122anti-parallel
Strand 4
B
127 138anti-parallel
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There are 4 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
146 151first strand
Strand 2
B
157 161anti-parallel
Strand 3
B
198 202anti-parallel
Strand 4
B
222 225anti-parallel
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There are 2 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
214 215first strand
Strand 2
B
218 219anti-parallel
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There are 4 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
229 235first strand
Strand 2
B
241 246anti-parallel
Strand 3
B
252 256anti-parallel
Strand 4
B
322 324anti-parallel
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There are 2 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
279 280first strand
Strand 2
B
306 307anti-parallel
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There are 4 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
355 357first strand
Strand 2
B
370 374anti-parallel
Strand 3
B
381 386anti-parallel
Strand 4
B
393 398anti-parallel
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There are 2 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
429 430first strand
Strand 2
B
436 437anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il