Analysis of interatomic Contacts of Structural Units in PDB entry:
3L1A


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 3L1A entry

There are 2 chains in PDB entry 3L1A (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 3ARG 266
B
 LEU 20ARG 266
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 15 helices in PDB entry 3L1A. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
12 21Right-handed alpha
Helix 2
2
A
38 49Right-handed alpha
Helix 3
3
A
94 98Right-handed 310
Helix 4
4
A
99 114Right-handed alpha
Helix 5
5
A
115 117Right-handed 310
Helix 6
6
A
172 177Right-handed 310
Helix 7
7
A
182 204Right-handed alpha
Helix 8
8
A
205 215Right-handed alpha
Helix 9
9
B
38 49Right-handed alpha
Helix 10
10
B
94 98Right-handed 310
Helix 11
11
B
99 114Right-handed alpha
Helix 12
12
B
115 117Right-handed 310
Helix 13
13
B
120 122Right-handed 310
Helix 14
14
B
182 204Right-handed alpha
Helix 15
15
B
205 215Right-handed alpha
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There are 3 sheets in PDB entry 3L1A. Click on sheet of interest to get list of strands forming it: A, B, C,

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
29 33first strand
Strand 2
A
56 60parallel
Strand 3
A
82 89anti-parallel
Strand 4
A
150 157anti-parallel
Strand 5
A
137 147anti-parallel
Strand 6
A
131 134anti-parallel
Strand 7
A
125 127anti-parallel
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There are 10 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
261 264first strand
Strand 2
A
222 226anti-parallel
Strand 3
A
232 240anti-parallel
Strand 4
A
246 250anti-parallel
Strand 5
A
253 257anti-parallel
Strand 6
B
253 257anti-parallel
Strand 7
B
246 250anti-parallel
Strand 8
B
231 240anti-parallel
Strand 9
B
222 227anti-parallel
Strand 10
B
262 264anti-parallel
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There are 7 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
29 32first strand
Strand 2
B
56 59parallel
Strand 3
B
81 89anti-parallel
Strand 4
B
150 158anti-parallel
Strand 5
B
137 147anti-parallel
Strand 6
B
131 134anti-parallel
Strand 7
B
124 127anti-parallel
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