Analysis of interatomic Contacts of Structural Units in PDB entry:
1E3A


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 1E3A entry

There are 2 chains in PDB entry 1E3A (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 3TYR 260
B
 PRO 261ARG 820
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 35 helices in PDB entry 1E3A. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
23 40Right-handed alpha
Helix 2
2
A
39 52Right-handed alpha
Helix 3
3
A
54 59Right-handed alpha
Helix 4
4
A
62 72Right-handed alpha
Helix 5
5
A
74 84Right-handed alpha
Helix 6
6
A
86 110Right-handed alpha
Helix 7
7
A
110 115Right-handed alpha
Helix 8
8
A
116 123Right-handed alpha
Helix 9
9
A
130 143Right-handed alpha
Helix 10
10
A
151 167Right-handed alpha
Helix 11
11
A
167 179Right-handed alpha
Helix 12
12
A
202 206Right-handed 310
Helix 13
13
A
208 212Right-handed 310
Helix 14
14
A
219 224Right-handed 310
Helix 15
15
A
237 253Right-handed alpha
Helix 16
16
A
254 256Right-handed 310
Helix 17
17
B
271 273Right-handed 310
Helix 18
18
B
409 420Right-handed alpha
Helix 19
19
B
421 423Right-handed 310
Helix 20
20
B
425 434Right-handed alpha
Helix 21
21
B
485 489Right-handed 310
Helix 22
22
B
526 536Right-handed alpha
Helix 23
23
B
541 555Right-handed alpha
Helix 24
24
B
558 571Right-handed alpha
Helix 25
25
B
577 588Right-handed alpha
Helix 26
26
B
605 621Right-handed alpha
Helix 27
27
B
621 626Right-handed alpha
Helix 28
28
B
629 634Right-handed 310
Helix 29
29
B
653 664Right-handed alpha
Helix 30
30
B
665 668Right-handed 310
Helix 31
31
B
681 702Right-handed alpha
Helix 32
32
B
704 708Right-handed 310
Helix 33
33
B
729 733Right-handed 310
Helix 34
34
B
787 793Right-handed alpha
Helix 35
35
B
802 809Right-handed alpha
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There are 8 sheets in PDB entry 1E3A. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 2 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
8 11first strand
Strand 2
A
17 20anti-parallel
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There are 5 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
499 502first strand
Strand 2
B
263 269anti-parallel
Strand 3
B
279 286anti-parallel
Strand 4
B
746 751anti-parallel
Strand 5
B
760 765anti-parallel
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There are 3 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
295 302first strand
Strand 2
B
305 312anti-parallel
Strand 3
B
320 322anti-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
B
326 332first strand
Strand 2
B
440 446anti-parallel
Strand 3
B
451 456anti-parallel
Strand 4
B
491 493anti-parallel
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There are 3 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
338 344first strand
Strand 2
B
398 404anti-parallel
Strand 3
B
388 393anti-parallel
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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
352 355first strand
Strand 2
B
358 361anti-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
B
363 369first strand
Strand 2
B
377 383anti-parallel
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There are 2 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
715 717first strand
Strand 2
B
734 736anti-parallel
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