Analysis of interatomic Contacts of Structural Units in PDB entry:
2IAH


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 2IAH entry

There are 4 chains in PDB entry 2IAH (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLN 44PHE 815
I
 ARG 3ARG 3
I
 LYS 6LYS 6
I
 THR 8THR 9
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 13 helices in PDB entry 2IAH. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
55 65Right-handed alpha
Helix 2
2
A
74 77Right-handed 310
Helix 3
3
A
90 99Right-handed alpha
Helix 4
4
A
161 165Right-handed 310
Helix 5
5
A
174 180Right-handed alpha
Helix 6
6
A
184 190Right-handed alpha
Helix 7
7
A
228 232Right-handed 310
Helix 8
8
A
239 241Right-handed 310
Helix 9
9
A
253 258Right-handed alpha
Helix 10
10
A
625 627Right-handed 310
Helix 11
11
A
647 652Right-handed alpha
Helix 12
12
A
722 726Right-handed 310
Helix 13
13
A
794 796Right-handed 310
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There are 9 sheets in PDB entry 2IAH. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I,

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
46 50first strand
Strand 2
A
85 89anti-parallel
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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
53 54first strand
Strand 2
A
81 82anti-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
A
69 72first strand
Strand 2
A
112 116parallel
Strand 3
A
105 109anti-parallel
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There are 5 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
168 173first strand
Strand 2
A
243 251anti-parallel
Strand 3
A
263 270anti-parallel
Strand 4
A
217 219parallel
Strand 5
A
222 223anti-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
A
196 201first strand
Strand 2
A
204 209anti-parallel
Strand 3
A
212 213anti-parallel
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There are 17 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
499 500first strand
Strand 2
A
441 466anti-parallel
Strand 3
A
411 430anti-parallel
Strand 4
A
392 405anti-parallel
Strand 5
A
344 358anti-parallel
Strand 6
A
326 341anti-parallel
Strand 7
A
307 319anti-parallel
Strand 8
A
290 300anti-parallel
Strand 9
A
278 286anti-parallel
Strand 10
A
806 812anti-parallel
Strand 11
A
776 782anti-parallel
Strand 12
A
760 770anti-parallel
Strand 13
A
728 737anti-parallel
Strand 14
A
711 720anti-parallel
Strand 15
A
685 693anti-parallel
Strand 16
A
664 682anti-parallel
Strand 17
A
696 697anti-parallel
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There are 11 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
499 500first strand
Strand 2
A
441 466anti-parallel
Strand 3
A
471 490anti-parallel
Strand 4
A
520 537anti-parallel
Strand 5
A
543 558anti-parallel
Strand 6
A
563 578anti-parallel
Strand 7
A
583 594anti-parallel
Strand 8
A
611 624anti-parallel
Strand 9
A
629 645anti-parallel
Strand 10
A
664 682anti-parallel
Strand 11
A
696 697anti-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
366 367first strand
Strand 2
A
798 801anti-parallel
Strand 3
A
790 792anti-parallel
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There are 2 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
740 746first strand
Strand 2
A
751 757anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il