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


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 3IAY entry

There are 3 chains in PDB entry 3IAY (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
P
 A 1 A 11
T
 T 1 T 16
A
 SER 95VAL 985
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 34 helices in PDB entry 3IAY. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
167 171Right-handed 310
Helix 2
2
A
172 185Right-handed alpha
Helix 3
3
A
222 234Right-handed alpha
Helix 4
4
A
237 241Right-handed 310
Helix 5
5
A
253 263Right-handed alpha
Helix 6
6
A
281 285Right-handed 310
Helix 7
7
A
306 310Right-handed 310
Helix 8
8
A
378 394Right-handed alpha
Helix 9
9
A
406 418Right-handed alpha
Helix 10
10
A
464 472Right-handed alpha
Helix 11
11
A
478 488Right-handed alpha
Helix 12
12
A
498 504Right-handed alpha
Helix 13
13
A
506 531Right-handed alpha
Helix 14
14
A
532 545Right-handed alpha
Helix 15
15
A
549 554Right-handed alpha
Helix 16
16
A
555 571Right-handed alpha
Helix 17
17
A
611 620Right-handed alpha
Helix 18
18
A
623 625Right-handed 310
Helix 19
19
A
629 636Right-handed alpha
Helix 20
20
A
661 683Right-handed alpha
Helix 21
21
A
686 712Right-handed alpha
Helix 22
22
A
720 746Right-handed alpha
Helix 23
23
A
747 751Right-handed 310
Helix 24
24
A
774 791Right-handed alpha
Helix 25
25
A
835 839Right-handed 310
Helix 26
26
A
843 859Right-handed alpha
Helix 27
27
A
862 879Right-handed alpha
Helix 28
28
A
883 888Right-handed 310
Helix 29
29
A
901 915Right-handed alpha
Helix 30
30
A
934 937Right-handed 310
Helix 31
31
A
941 948Right-handed alpha
Helix 32
32
A
953 961Right-handed alpha
Helix 33
33
A
962 975Right-handed alpha
Helix 34
34
A
975 983Right-handed alpha
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There are 8 sheets in PDB entry 3IAY. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 7 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
278 279first strand
Strand 2
A
291 296anti-parallel
Strand 3
A
148 154parallel
Strand 4
A
135 143anti-parallel
Strand 5
A
113 124anti-parallel
Strand 6
A
269 272anti-parallel
Strand 7
A
301 303anti-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
159 163first strand
Strand 2
A
211 218anti-parallel
Strand 3
A
191 201anti-parallel
Strand 4
A
573 574parallel
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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
372 376first strand
Strand 2
A
356 362parallel
Strand 3
A
339 348anti-parallel
Strand 4
A
316 324anti-parallel
Strand 5
A
397 400parallel
Strand 6
A
460 463parallel
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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
439 443first strand
Strand 2
A
447 451anti-parallel
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There are 5 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
598 600first strand
Strand 2
A
799 812anti-parallel
Strand 3
A
604 609anti-parallel
Strand 4
A
765 769anti-parallel
Strand 5
A
757 760anti-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
598 600first strand
Strand 2
A
799 812anti-parallel
Strand 3
A
815 821anti-parallel
Strand 4
A
829 833anti-parallel
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There are 3 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
627 628first strand
Strand 2
A
652 654anti-parallel
Strand 3
A
644 646anti-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
889 892first strand
Strand 2
A
923 928anti-parallel
Strand 3
A
939 940anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il