Analysis of interatomic Contacts of Structural Units in PDB entry:
4IUG


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 4IUG entry


Note, this PDB entry contains modified residue(s) PHOSPHOSERINE (SEP) . This residue is treated as heterogroup (ligand) both in the PDB entry and in LPC/CSU analysis.

There are 2 chains in PDB entry 4IUG (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 40ASN 568
A
 ALA 570TYR 1005
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 26 helices in PDB entry 4IUG. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
69 72Right-handed 310
Helix 2
2
A
74 76Right-handed 310
Helix 3
3
A
77 88Right-handed alpha
Helix 4
4
A
98 103Right-handed alpha
Helix 5
5
A
112 116Right-handed 310
Helix 6
6
A
117 128Right-handed alpha
Helix 7
7
A
143 148Right-handed 310
Helix 8
8
A
149 155Right-handed 310
Helix 9
9
A
163 170Right-handed alpha
Helix 10
10
A
170 184Right-handed alpha
Helix 11
11
A
185 189Right-handed 310
Helix 12
12
A
213 225Right-handed alpha
Helix 13
13
A
280 289Right-handed alpha
Helix 14
14
A
311 319Right-handed alpha
Helix 15
15
A
320 333Right-handed alpha
Helix 16
16
A
349 353Right-handed 310
Helix 17
17
A
376 391Right-handed alpha
Helix 18
18
A
392 396Right-handed 310
Helix 19
19
A
567 571Right-handed alpha
Helix 20
20
A
589 595Right-handed alpha
Helix 21
21
A
671 675Right-handed 310
Helix 22
22
A
683 687Right-handed 310
Helix 23
23
A
717 722Right-handed 310
Helix 24
24
A
811 815Right-handed 310
Helix 25
25
A
828 832Right-handed 310
Helix 26
26
A
858 864Right-handed alpha
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There are 13 sheets in PDB entry 4IUG. 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,

There are 3 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
46 48first strand
Strand 2
A
53 55anti-parallel
Strand 3
A
58 60anti-parallel
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There are 7 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
192 197first strand
Strand 2
A
130 136parallel
Strand 3
A
92 96parallel
Strand 4
A
62 67parallel
Strand 5
A
338 345parallel
Strand 6
A
295 300parallel
Strand 7
A
257 259parallel
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There are 7 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
414 420first strand
Strand 2
A
426 432anti-parallel
Strand 3
A
471 479anti-parallel
Strand 4
A
482 487anti-parallel
Strand 5
A
512 518anti-parallel
Strand 6
A
541 547anti-parallel
Strand 7
A
534 538anti-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
440 443first strand
Strand 2
A
463 466anti-parallel
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There are 2 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
445 449first strand
Strand 2
A
452 456anti-parallel
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There are 5 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
490 497first strand
Strand 2
A
500 507anti-parallel
Strand 3
A
560 566parallel
Strand 4
A
553 557anti-parallel
Strand 5
A
524 527anti-parallel
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There are 5 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
573 574first strand
Strand 2
A
598 600anti-parallel
Strand 3
A
625 630anti-parallel
Strand 4
A
656 660anti-parallel
Strand 5
A
649 650anti-parallel
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There are 4 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
604 611first strand
Strand 2
A
614 620anti-parallel
Strand 3
A
638 641parallel
Strand 4
A
644 646anti-parallel
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There are 6 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
876 877first strand
Strand 2
A
678 681anti-parallel
Strand 3
A
888 899anti-parallel
Strand 4
A
953 964anti-parallel
Strand 5
A
919 925anti-parallel
Strand 6
A
928 934anti-parallel
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There are 6 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
696 697first strand
Strand 2
A
833 837anti-parallel
Strand 3
A
728 735anti-parallel
Strand 4
A
790 797anti-parallel
Strand 5
A
755 759anti-parallel
Strand 6
A
762 767anti-parallel
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There are 3 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
775 781first strand
Strand 2
A
742 748anti-parallel
Strand 3
A
818 824anti-parallel
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There are 2 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
904 905first strand
Strand 2
A
983 984anti-parallel
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There are 3 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
942 945first strand
Strand 2
A
908 912anti-parallel
Strand 3
A
975 979anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il