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


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 1XAH entry

There are 2 chains in PDB entry 1XAH (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1TYR 352
B
 MET 1TYR 352
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 37 helices in PDB entry 1XAH. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
19 21Right-handed 310
Helix 2
2
A
22 29Right-handed alpha
Helix 3
3
A
40 51Right-handed alpha
Helix 4
4
A
66 71Right-handed 310
Helix 5
5
A
72 85Right-handed alpha
Helix 6
6
A
99 113Right-handed alpha
Helix 7
7
A
114 116Right-handed 310
Helix 8
8
A
127 132Right-handed alpha
Helix 9
9
A
162 167Right-handed 310
Helix 10
10
A
168 187Right-handed alpha
Helix 11
11
A
187 198Right-handed alpha
Helix 12
12
A
200 207Right-handed alpha
Helix 13
13
A
209 228Right-handed alpha
Helix 14
14
A
233 240Right-handed 310
Helix 15
15
A
242 253Right-handed alpha
Helix 16
16
A
255 275Right-handed alpha
Helix 17
17
A
280 292Right-handed alpha
Helix 18
18
A
338 352Right-handed alpha
Helix 19
19
B
19 23Right-handed 310
Helix 20
20
B
24 29Right-handed alpha
Helix 21
21
B
40 51Right-handed alpha
Helix 22
22
B
66 71Right-handed 310
Helix 23
23
B
72 85Right-handed alpha
Helix 24
24
B
99 113Right-handed alpha
Helix 25
25
B
114 116Right-handed 310
Helix 26
26
B
127 132Right-handed alpha
Helix 27
27
B
162 167Right-handed 310
Helix 28
28
B
168 187Right-handed alpha
Helix 29
29
B
187 198Right-handed alpha
Helix 30
30
B
200 207Right-handed alpha
Helix 31
31
B
209 228Right-handed alpha
Helix 32
32
B
233 240Right-handed 310
Helix 33
33
B
241 253Right-handed alpha
Helix 34
34
B
255 276Right-handed alpha
Helix 35
35
B
280 292Right-handed alpha
Helix 36
36
B
305 309Right-handed 310
Helix 37
37
B
338 352Right-handed alpha
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There are 6 sheets in PDB entry 1XAH. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 7 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
2 4first strand
Strand 2
A
13 17anti-parallel
Strand 3
A
156 160parallel
Strand 4
A
118 123parallel
Strand 5
A
93 98parallel
Strand 6
A
34 39parallel
Strand 7
A
59 64parallel
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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
136 139first strand
Strand 2
A
148 151anti-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
324 328first strand
Strand 2
A
331 334anti-parallel
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There are 7 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
2 4first strand
Strand 2
B
13 17anti-parallel
Strand 3
B
156 160parallel
Strand 4
B
118 123parallel
Strand 5
B
93 98parallel
Strand 6
B
34 39parallel
Strand 7
B
59 64parallel
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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
B
136 139first strand
Strand 2
B
148 151anti-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
324 328first strand
Strand 2
B
331 334anti-parallel
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