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


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 2IHM entry

There are 8 chains in PDB entry 2IHM (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
T
 C 1 G 11
P
 C 1 T 6
D
 G 1 G 4
U
 C 1 G 11
Q
 C 1 T 6
E
 G 1 G 4
A
 SER 137ALA 496
B
 SER 137ALA 496
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 38 helices in PDB entry 2IHM. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
141 145Right-handed 310
Helix 2
2
A
153 170Right-handed alpha
Helix 3
3
A
172 189Right-handed alpha
Helix 4
4
A
195 200Right-handed 310
Helix 5
5
A
206 220Right-handed alpha
Helix 6
6
A
222 231Right-handed alpha
Helix 7
7
A
231 242Right-handed alpha
Helix 8
8
A
247 257Right-handed alpha
Helix 9
9
A
261 267Right-handed alpha
Helix 10
10
A
273 282Right-handed alpha
Helix 11
11
A
282 288Right-handed alpha
Helix 12
12
A
292 308Right-handed alpha
Helix 13
13
A
318 323Right-handed alpha
Helix 14
14
A
345 357Right-handed alpha
Helix 15
15
A
428 438Right-handed alpha
Helix 16
16
A
439 455Right-handed alpha
Helix 17
17
A
476 484Right-handed alpha
Helix 18
18
A
490 494Right-handed 310
Helix 19
19
B
141 145Right-handed 310
Helix 20
20
B
153 170Right-handed alpha
Helix 21
21
B
172 188Right-handed alpha
Helix 22
22
B
195 199Right-handed 310
Helix 23
23
B
206 220Right-handed alpha
Helix 24
24
B
222 231Right-handed alpha
Helix 25
25
B
231 242Right-handed alpha
Helix 26
26
B
247 258Right-handed alpha
Helix 27
27
B
262 266Right-handed 310
Helix 28
28
B
268 272Right-handed 310
Helix 29
29
B
273 282Right-handed alpha
Helix 30
30
B
282 287Right-handed alpha
Helix 31
31
B
292 308Right-handed alpha
Helix 32
32
B
318 323Right-handed alpha
Helix 33
33
B
345 356Right-handed alpha
Helix 34
34
B
425 427Right-handed 310
Helix 35
35
B
428 438Right-handed alpha
Helix 36
36
B
439 453Right-handed alpha
Helix 37
37
B
476 485Right-handed alpha
Helix 38
38
B
490 494Right-handed 310
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There are 6 sheets in PDB entry 2IHM. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

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
290 291first strand
Strand 2
A
327 328anti-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
A
314 317first strand
Strand 2
A
330 336anti-parallel
Strand 3
A
414 423parallel
Strand 4
A
389 397anti-parallel
Strand 5
A
360 366anti-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
457 458first strand
Strand 2
A
463 464anti-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
B
290 291first strand
Strand 2
B
327 328anti-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
B
314 317first strand
Strand 2
B
331 336anti-parallel
Strand 3
B
414 423parallel
Strand 4
B
389 397anti-parallel
Strand 5
B
360 362anti-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
457 458first strand
Strand 2
B
463 464anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il