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


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 3AHI entry

There is 1 chain in PDB entry 3AHI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 VAL 5VAL 806
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 40 helices in PDB entry 3AHI. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
18 42Right-handed alpha
Helix 2
2
A
53 57Right-handed 310
Helix 3
3
A
67 86Right-handed alpha
Helix 4
4
A
95 97Right-handed 310
Helix 5
5
A
98 110Right-handed alpha
Helix 6
6
A
110 116Right-handed alpha
Helix 7
7
A
122 133Right-handed alpha
Helix 8
8
A
159 169Right-handed alpha
Helix 9
9
A
183 186Right-handed 310
Helix 10
10
A
187 194Right-handed alpha
Helix 11
11
A
195 199Right-handed 310
Helix 12
12
A
223 228Right-handed alpha
Helix 13
13
A
229 240Right-handed alpha
Helix 14
14
A
255 282Right-handed alpha
Helix 15
15
A
316 320Right-handed 310
Helix 16
16
A
330 344Right-handed alpha
Helix 17
17
A
345 349Right-handed 310
Helix 18
18
A
357 362Right-handed alpha
Helix 19
19
A
366 370Right-handed 310
Helix 20
20
A
374 382Right-handed 310
Helix 21
21
A
390 395Right-handed 310
Helix 22
22
A
397 403Right-handed alpha
Helix 23
23
A
411 426Right-handed alpha
Helix 24
24
A
443 449Right-handed 310
Helix 25
25
A
478 492Right-handed alpha
Helix 26
26
A
503 507Right-handed 310
Helix 27
27
A
508 526Right-handed alpha
Helix 28
28
A
550 554Right-handed 310
Helix 29
29
A
557 564Right-handed alpha
Helix 30
30
A
580 594Right-handed alpha
Helix 31
31
A
613 624Right-handed alpha
Helix 32
32
A
648 665Right-handed alpha
Helix 33
33
A
676 681Right-handed 310
Helix 34
34
A
691 700Right-handed alpha
Helix 35
35
A
712 720Right-handed alpha
Helix 36
36
A
725 727Right-handed 310
Helix 37
37
A
742 750Right-handed alpha
Helix 38
38
A
753 767Right-handed alpha
Helix 39
39
A
770 792Right-handed alpha
Helix 40
40
A
795 800Right-handed alpha
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There are 6 sheets in PDB entry 3AHI. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

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
92 93first strand
Strand 2
A
175 181parallel
Strand 3
A
207 214parallel
Strand 4
A
291 297parallel
Strand 5
A
242 248parallel
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There are 2 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
307 308first strand
Strand 2
A
311 312anti-parallel
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There are 2 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
406 410first strand
Strand 2
A
607 610anti-parallel
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There are 6 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
473 475first strand
Strand 2
A
430 434parallel
Strand 3
A
495 501parallel
Strand 4
A
535 540parallel
Strand 5
A
598 602parallel
Strand 6
A
573 577parallel
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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
452 453first strand
Strand 2
A
467 468parallel
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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
625 627first strand
Strand 2
A
669 674anti-parallel
Strand 3
A
642 647parallel
Strand 4
A
705 709parallel
Strand 5
A
729 732parallel
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