Analysis of interatomic Contacts of Structural Units in PDB entry:
1L9R


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 1L9R entry

There are 3 chains in PDB entry 1L9R (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 4GLY 339
B
 ALA 4GLY 339
C
 ALA 4GLY 339
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 19 helices in PDB entry 1L9R. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
5 11Right-handed alpha
Helix 2
2
A
104 112Right-handed 310
Helix 3
3
A
141 147Right-handed alpha
Helix 4
4
A
198 201Right-handed 310
Helix 5
5
A
202 211Right-handed alpha
Helix 6
6
A
228 232Right-handed 310
Helix 7
7
A
307 313Right-handed alpha
Helix 8
8
B
5 12Right-handed alpha
Helix 9
9
B
104 112Right-handed 310
Helix 10
10
B
141 147Right-handed alpha
Helix 11
11
B
198 211Right-handed alpha
Helix 12
12
B
228 232Right-handed 310
Helix 13
13
B
307 313Right-handed alpha
Helix 14
14
C
5 11Right-handed alpha
Helix 15
15
C
104 112Right-handed 310
Helix 16
16
C
141 147Right-handed alpha
Helix 17
17
C
198 211Right-handed alpha
Helix 18
18
C
228 232Right-handed 310
Helix 19
19
C
307 313Right-handed alpha
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There are 18 sheets in PDB entry 1L9R. 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, N, O, P, Q, R,

There are 5 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
331 338first strand
Strand 2
A
118 125anti-parallel
Strand 3
A
80 87anti-parallel
Strand 4
A
38 51parallel
Strand 5
A
14 16parallel
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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
B
331 338first strand
Strand 2
A
118 125anti-parallel
Strand 3
A
80 87anti-parallel
Strand 4
A
38 51parallel
Strand 5
A
58 64anti-parallel
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There are 4 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
73 76first strand
Strand 2
A
151 157parallel
Strand 3
A
130 135anti-parallel
Strand 4
A
98 99anti-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
162 163first strand
Strand 2
A
169 170anti-parallel
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There are 6 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
217 220first strand
Strand 2
A
174 183anti-parallel
Strand 3
A
240 247parallel
Strand 4
A
287 294anti-parallel
Strand 5
A
261 265anti-parallel
Strand 6
A
275 278anti-parallel
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There are 4 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
233 236first strand
Strand 2
A
317 323parallel
Strand 3
A
299 305anti-parallel
Strand 4
A
254 257anti-parallel
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There are 5 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
331 338first strand
Strand 2
C
118 125anti-parallel
Strand 3
C
80 87anti-parallel
Strand 4
C
38 51parallel
Strand 5
C
14 16parallel
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There are 5 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
331 338first strand
Strand 2
C
118 125anti-parallel
Strand 3
C
80 87anti-parallel
Strand 4
C
38 51parallel
Strand 5
C
58 64anti-parallel
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There are 5 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
331 338first strand
Strand 2
B
118 125anti-parallel
Strand 3
B
80 87anti-parallel
Strand 4
B
38 51parallel
Strand 5
B
14 16parallel
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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
C
331 338first strand
Strand 2
B
118 125anti-parallel
Strand 3
B
80 87anti-parallel
Strand 4
B
38 51parallel
Strand 5
B
58 64anti-parallel
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There are 4 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
73 76first strand
Strand 2
B
151 157parallel
Strand 3
B
130 135anti-parallel
Strand 4
B
98 99anti-parallel
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There are 2 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
162 163first strand
Strand 2
B
169 170anti-parallel
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There are 6 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
217 220first strand
Strand 2
B
174 183anti-parallel
Strand 3
B
240 247parallel
Strand 4
B
287 294anti-parallel
Strand 5
B
261 265anti-parallel
Strand 6
B
275 278anti-parallel
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There are 4 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
233 236first strand
Strand 2
B
317 323parallel
Strand 3
B
299 305anti-parallel
Strand 4
B
254 257anti-parallel
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There are 4 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
73 76first strand
Strand 2
C
151 157parallel
Strand 3
C
130 135anti-parallel
Strand 4
C
98 99anti-parallel
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There are 2 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
162 163first strand
Strand 2
C
169 170anti-parallel
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There are 6 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
217 220first strand
Strand 2
C
174 183anti-parallel
Strand 3
C
240 247parallel
Strand 4
C
287 294anti-parallel
Strand 5
C
261 265anti-parallel
Strand 6
C
275 278anti-parallel
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There are 4 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
233 236first strand
Strand 2
C
317 323parallel
Strand 3
C
299 305anti-parallel
Strand 4
C
254 257anti-parallel
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