Analysis of interatomic Contacts of Structural Units in PDB entry:
1SU3


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 1SU3 entry

There are 2 chains in PDB entry 1SU3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 32CYS 466
B
 VAL 31ASN 465
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 20 helices in PDB entry 1SU3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
32 42Right-handed alpha
Helix 2
2
A
58 71Right-handed alpha
Helix 3
3
A
80 88Right-handed alpha
Helix 4
4
A
126 143Right-handed alpha
Helix 5
5
A
211 224Right-handed alpha
Helix 6
6
A
249 261Right-handed alpha
Helix 7
7
A
318 320Right-handed 310
Helix 8
8
A
335 338Right-handed 310
Helix 9
9
A
364 369Right-handed alpha
Helix 10
10
A
415 419Right-handed alpha
Helix 11
11
B
31 42Right-handed alpha
Helix 12
12
B
58 71Right-handed alpha
Helix 13
13
B
80 89Right-handed alpha
Helix 14
14
B
126 143Right-handed alpha
Helix 15
15
B
211 225Right-handed alpha
Helix 16
16
B
249 261Right-handed alpha
Helix 17
17
B
318 320Right-handed 310
Helix 18
18
B
335 338Right-handed 310
Helix 19
19
B
364 369Right-handed alpha
Helix 20
20
B
415 419Right-handed alpha
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There are 14 sheets in PDB entry 1SU3. 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,

There are 5 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
148 151first strand
Strand 2
A
113 118parallel
Strand 3
A
159 164parallel
Strand 4
A
195 198parallel
Strand 5
A
182 184anti-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
286 290first strand
Strand 2
A
293 298anti-parallel
Strand 3
A
301 304anti-parallel
Strand 4
A
313 316anti-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
330 334first strand
Strand 2
A
339 344anti-parallel
Strand 3
A
347 352anti-parallel
Strand 4
A
355 356anti-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
330 334first strand
Strand 2
A
339 344anti-parallel
Strand 3
A
347 352anti-parallel
Strand 4
A
362 363anti-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
379 382first strand
Strand 2
A
388 393anti-parallel
Strand 3
A
396 401anti-parallel
Strand 4
A
406 407anti-parallel
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There are 4 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
379 382first strand
Strand 2
A
388 393anti-parallel
Strand 3
A
396 401anti-parallel
Strand 4
A
413 414anti-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
428 432first strand
Strand 2
A
435 440anti-parallel
Strand 3
A
443 448anti-parallel
Strand 4
A
453 459anti-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
148 151first strand
Strand 2
B
113 118parallel
Strand 3
B
159 164parallel
Strand 4
B
195 198parallel
Strand 5
B
182 184anti-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
286 290first strand
Strand 2
B
293 298anti-parallel
Strand 3
B
301 304anti-parallel
Strand 4
B
313 316anti-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
330 334first strand
Strand 2
B
339 344anti-parallel
Strand 3
B
347 352anti-parallel
Strand 4
B
355 356anti-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
330 334first strand
Strand 2
B
339 344anti-parallel
Strand 3
B
347 352anti-parallel
Strand 4
B
362 363anti-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
379 382first strand
Strand 2
B
388 393anti-parallel
Strand 3
B
396 401anti-parallel
Strand 4
B
406 407anti-parallel
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There are 4 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
379 382first strand
Strand 2
B
388 393anti-parallel
Strand 3
B
396 401anti-parallel
Strand 4
B
413 414anti-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
428 432first strand
Strand 2
B
435 440anti-parallel
Strand 3
B
443 448anti-parallel
Strand 4
B
453 459anti-parallel
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