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


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 1XGN entry

There are 2 chains in PDB entry 1XGN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1GLU 295
B
 MET 1GLU 295
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 14 helices in PDB entry 1XGN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
3 23Right-handed alpha
Helix 2
2
A
30 44Right-handed alpha
Helix 3
3
A
106 121Right-handed alpha
Helix 4
4
A
128 141Right-handed alpha
Helix 5
5
A
217 230Right-handed alpha
Helix 6
6
A
237 240Right-handed 310
Helix 7
7
A
246 259Right-handed alpha
Helix 8
8
B
3 23Right-handed alpha
Helix 9
9
B
30 43Right-handed alpha
Helix 10
10
B
106 121Right-handed alpha
Helix 11
11
B
128 140Right-handed alpha
Helix 12
12
B
217 229Right-handed alpha
Helix 13
13
B
238 240Right-handed 310
Helix 14
14
B
246 258Right-handed alpha
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There are 8 sheets in PDB entry 1XGN. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 3 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
53 56first strand
Strand 2
A
78 87anti-parallel
Strand 3
A
90 99anti-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
165 167first strand
Strand 2
A
151 155anti-parallel
Strand 3
A
183 191anti-parallel
Strand 4
A
276 285anti-parallel
Strand 5
A
290 292anti-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
205 208first strand
Strand 2
A
262 265anti-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
A
197 203first strand
Strand 2
A
266 270anti-parallel
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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
78 87first strand
Strand 2
B
90 99anti-parallel
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There are 3 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
153 155first strand
Strand 2
B
183 191anti-parallel
Strand 3
B
276 284anti-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
197 199first strand
Strand 2
B
268 270anti-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
B
234 236first strand
Strand 2
B
205 208anti-parallel
Strand 3
B
262 265anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il