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


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 1LEI entry

There are 6 chains in PDB entry 1LEI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
C
 C 1 A 17
D
 T 1 G 4
D
 A 6 C 7
D
 C 11 G 17
A
 ALA 19ASP 291
B
 GLY 39GLU 350
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 9 helices in PDB entry 1LEI. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
122 124Right-handed 310
Helix 2
2
A
125 135Right-handed alpha
Helix 3
3
A
144 148Right-handed 310
Helix 4
4
A
220 224Right-handed 310
Helix 5
5
A
240 242Right-handed 310
Helix 6
6
B
145 157Right-handed alpha
Helix 7
7
B
170 174Right-handed 310
Helix 8
8
B
189 203Right-handed alpha
Helix 9
9
B
299 301Right-handed 310
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There are 13 sheets in PDB entry 1LEI. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M,

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
20 25first strand
Strand 2
A
60 64anti-parallel
Strand 3
A
110 112anti-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
178 184first strand
Strand 2
A
156 166anti-parallel
Strand 3
A
71 77anti-parallel
Strand 4
A
99 103anti-parallel
Strand 5
A
95 96anti-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
178 184first strand
Strand 2
A
156 166anti-parallel
Strand 3
A
172 174anti-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
89 91first strand
Strand 2
A
117 119anti-parallel
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There are 4 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 199first strand
Strand 2
A
211 216anti-parallel
Strand 3
A
249 253anti-parallel
Strand 4
A
244 245anti-parallel
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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
203 205first strand
Strand 2
A
284 289parallel
Strand 3
A
266 274anti-parallel
Strand 4
A
225 230anti-parallel
Strand 5
A
233 236anti-parallel
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There are 4 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
203 205first strand
Strand 2
A
284 289parallel
Strand 3
A
266 274anti-parallel
Strand 4
A
279 280anti-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
42 44first strand
Strand 2
B
81 84anti-parallel
Strand 3
B
131 133anti-parallel
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There are 3 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
56 57first strand
Strand 2
B
139 141parallel
Strand 3
B
110 111anti-parallel
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There are 5 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
227 233first strand
Strand 2
B
209 218anti-parallel
Strand 3
B
92 98anti-parallel
Strand 4
B
120 124anti-parallel
Strand 5
B
116 117anti-parallel
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There are 3 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
227 233first strand
Strand 2
B
209 218anti-parallel
Strand 3
B
237 238anti-parallel
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There are 4 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
250 253first strand
Strand 2
B
265 270anti-parallel
Strand 3
B
308 312anti-parallel
Strand 4
B
303 304anti-parallel
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There are 5 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
257 259first strand
Strand 2
B
343 348parallel
Strand 3
B
325 332anti-parallel
Strand 4
B
279 284anti-parallel
Strand 5
B
292 295anti-parallel
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