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


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 1USU entry

There are 2 chains in PDB entry 1USU (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 272ASP 527
B
 VAL 12ASP 153
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 15 helices in PDB entry 1USU. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
275 279Right-handed 310
Helix 2
2
A
280 284Right-handed 310
Helix 3
3
A
285 298Right-handed alpha
Helix 4
4
A
359 363Right-handed 310
Helix 5
5
A
386 409Right-handed alpha
Helix 6
6
A
410 432Right-handed alpha
Helix 7
7
A
435 441Right-handed alpha
Helix 8
8
A
457 463Right-handed alpha
Helix 9
9
A
478 484Right-handed alpha
Helix 10
10
A
487 494Right-handed alpha
Helix 11
11
A
503 514Right-handed alpha
Helix 12
12
B
16 29Right-handed alpha
Helix 13
13
B
103 107Right-handed 310
Helix 14
14
B
122 131Right-handed alpha
Helix 15
15
B
131 151Right-handed alpha
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There are 6 sheets in PDB entry 1USU. Click on sheet of interest to get list of strands forming it: AA, AB, AC, BA, BB, BC,

There are 5 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
305 311first strand
Strand 2
A
317 323anti-parallel
Strand 3
A
366 371anti-parallel
Strand 4
A
341 345parallel
Strand 5
A
348 351anti-parallel
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There are 2 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
444 447first strand
Strand 2
A
450 456anti-parallel
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There are 4 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
498 501first strand
Strand 2
A
470 475parallel
Strand 3
A
519 523parallel
Strand 4
A
515 516anti-parallel
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There are 2 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
14 15first strand
Strand 2
B
55 56anti-parallel
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There are 4 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
32 33first strand
Strand 2
B
41 44anti-parallel
Strand 3
B
68 78anti-parallel
Strand 4
B
49 53anti-parallel
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There are 5 strands in BC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
32 33first strand
Strand 2
B
41 44anti-parallel
Strand 3
B
68 78anti-parallel
Strand 4
B
88 99anti-parallel
Strand 5
B
110 113anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il