Analysis of interatomic Contacts of Structural Units in PDB entry:
3SAQ


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 3SAQ entry

There are 2 chains in PDB entry 3SAQ (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 TYR 32VAL 535
B
 LEU 31ILE 546
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 24 helices in PDB entry 3SAQ. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
89 94Right-handed alpha
Helix 2
2
A
112 120Right-handed alpha
Helix 3
3
A
122 129Right-handed alpha
Helix 4
4
A
132 137Right-handed alpha
Helix 5
5
A
186 190Right-handed 310
Helix 6
6
A
198 206Right-handed alpha
Helix 7
7
A
279 295Right-handed alpha
Helix 8
8
A
391 395Right-handed 310
Helix 9
9
A
396 401Right-handed alpha
Helix 10
10
A
413 419Right-handed alpha
Helix 11
11
A
458 469Right-handed alpha
Helix 12
12
A
516 521Right-handed 310
Helix 13
13
B
89 94Right-handed alpha
Helix 14
14
B
112 120Right-handed alpha
Helix 15
15
B
122 131Right-handed alpha
Helix 16
16
B
132 137Right-handed alpha
Helix 17
17
B
186 189Right-handed 310
Helix 18
18
B
198 206Right-handed alpha
Helix 19
19
B
279 295Right-handed alpha
Helix 20
20
B
391 395Right-handed 310
Helix 21
21
B
396 401Right-handed alpha
Helix 22
22
B
413 419Right-handed alpha
Helix 23
23
B
458 469Right-handed alpha
Helix 24
24
B
516 521Right-handed 310
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There are 22 sheets in PDB entry 3SAQ. 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, R, S, T, U, V,

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
33 39first strand
Strand 2
A
210 218anti-parallel
Strand 3
A
65 75anti-parallel
Strand 4
A
152 158anti-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
33 39first strand
Strand 2
A
210 218anti-parallel
Strand 3
A
65 75anti-parallel
Strand 4
A
171 172anti-parallel
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There are 5 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
42 43first strand
Strand 2
A
53 58anti-parallel
Strand 3
A
178 184anti-parallel
Strand 4
A
95 102anti-parallel
Strand 5
A
105 111anti-parallel
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There are 2 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
78 79first strand
Strand 2
A
147 149anti-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
227 236first strand
Strand 2
A
522 535anti-parallel
Strand 3
A
252 262anti-parallel
Strand 4
A
475 478anti-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
243 246first strand
Strand 2
A
503 509anti-parallel
Strand 3
A
440 447anti-parallel
Strand 4
A
450 455anti-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
A
269 270first strand
Strand 2
A
421 422anti-parallel
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There are 3 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
296 299first strand
Strand 2
A
340 344anti-parallel
Strand 3
A
312 314anti-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
A
320 323first strand
Strand 2
A
326 333anti-parallel
Strand 3
A
365 373parallel
Strand 4
A
378 386anti-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
A
349 350first strand
Strand 2
A
359 360anti-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
32 39first strand
Strand 2
B
210 219anti-parallel
Strand 3
B
65 75anti-parallel
Strand 4
B
152 158anti-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
32 39first strand
Strand 2
B
210 219anti-parallel
Strand 3
B
65 75anti-parallel
Strand 4
B
171 172anti-parallel
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There are 5 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
42 45first strand
Strand 2
B
52 58anti-parallel
Strand 3
B
178 184anti-parallel
Strand 4
B
95 102anti-parallel
Strand 5
B
105 111anti-parallel
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There are 2 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
78 79first strand
Strand 2
B
147 149anti-parallel
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There are 3 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
139 141first strand
Strand 2
B
82 86anti-parallel
Strand 3
B
191 193anti-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
227 236first strand
Strand 2
B
522 536anti-parallel
Strand 3
B
252 262anti-parallel
Strand 4
B
475 478anti-parallel
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There are 3 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
227 236first strand
Strand 2
B
522 536anti-parallel
Strand 3
B
542 545anti-parallel
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There are 4 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
243 247first strand
Strand 2
B
502 509anti-parallel
Strand 3
B
440 447anti-parallel
Strand 4
B
450 455anti-parallel
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There are 2 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
269 270first strand
Strand 2
B
421 422anti-parallel
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There are 3 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
296 299first strand
Strand 2
B
340 344anti-parallel
Strand 3
B
312 314anti-parallel
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There are 4 strands in U sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
320 323first strand
Strand 2
B
326 333anti-parallel
Strand 3
B
365 373parallel
Strand 4
B
378 386anti-parallel
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There are 2 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
349 350first strand
Strand 2
B
359 360anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il