Analysis of interatomic Contacts of Structural Units in PDB entry:
1LK1


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 1LK1 entry

There are 7 chains in PDB entry 1LK1 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 2PRO 211
B
 ASN 2PRO 225
C
 ILE 1GLY 74
D
 ASN 2PRO 219
E
 GLU 2PRO 211
F
 ILE 1GLY 74
G
 VAL 2PRO 217
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 16 helices in PDB entry 1LK1. 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 15Right-handed alpha
Helix 2
2
A
63 66Right-handed 310
Helix 3
3
A
83 85Right-handed 310
Helix 4
4
B
3 12Right-handed alpha
Helix 5
5
B
65 68Right-handed 310
Helix 6
6
B
83 87Right-handed 310
Helix 7
7
D
3 15Right-handed alpha
Helix 8
8
D
83 85Right-handed 310
Helix 9
9
D
152 156Right-handed 310
Helix 10
10
E
3 15Right-handed alpha
Helix 11
11
E
63 66Right-handed 310
Helix 12
12
E
83 85Right-handed 310
Helix 13
13
G
3 15Right-handed alpha
Helix 14
14
G
63 66Right-handed 310
Helix 15
15
G
83 85Right-handed 310
Helix 16
16
G
164 169Right-handed alpha
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There are 22 sheets in PDB entry 1LK1. 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, S, T, U, V,

There are 6 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
157 159first strand
Strand 2
A
30 44parallel
Strand 3
A
49 61anti-parallel
Strand 4
A
115 118anti-parallel
Strand 5
A
107 111anti-parallel
Strand 6
A
78 81anti-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
157 159first strand
Strand 2
A
30 44parallel
Strand 3
A
49 61anti-parallel
Strand 4
A
121 127anti-parallel
Strand 5
A
101 102anti-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
90 92first strand
Strand 2
A
141 148anti-parallel
Strand 3
A
197 209anti-parallel
Strand 4
A
176 189anti-parallel
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There are 6 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
159 161first strand
Strand 2
B
32 46parallel
Strand 3
B
51 63anti-parallel
Strand 4
B
117 120anti-parallel
Strand 5
B
110 112anti-parallel
Strand 6
B
81 82anti-parallel
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There are 5 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
159 161first strand
Strand 2
B
32 46parallel
Strand 3
B
51 63anti-parallel
Strand 4
B
123 129anti-parallel
Strand 5
B
103 104anti-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
B
92 94first strand
Strand 2
B
144 150anti-parallel
Strand 3
B
212 223anti-parallel
Strand 4
B
190 194anti-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
B
92 94first strand
Strand 2
B
144 150anti-parallel
Strand 3
B
212 223anti-parallel
Strand 4
B
197 202anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
2 6first strand
Strand 2
C
11 15anti-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
C
37 45first strand
Strand 2
C
22 30anti-parallel
Strand 3
C
56 60anti-parallel
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There are 6 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
157 159first strand
Strand 2
D
30 44parallel
Strand 3
D
49 61anti-parallel
Strand 4
D
115 118anti-parallel
Strand 5
D
107 111anti-parallel
Strand 6
D
77 81anti-parallel
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There are 5 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
157 159first strand
Strand 2
D
30 44parallel
Strand 3
D
49 61anti-parallel
Strand 4
D
121 127anti-parallel
Strand 5
D
101 102anti-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
D
90 92first strand
Strand 2
D
140 148anti-parallel
Strand 3
D
205 217anti-parallel
Strand 4
D
184 188anti-parallel
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There are 4 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
90 92first strand
Strand 2
D
140 148anti-parallel
Strand 3
D
205 217anti-parallel
Strand 4
D
191 197anti-parallel
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There are 6 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
157 159first strand
Strand 2
E
30 44parallel
Strand 3
E
49 61anti-parallel
Strand 4
E
115 118anti-parallel
Strand 5
E
107 111anti-parallel
Strand 6
E
77 81anti-parallel
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There are 5 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
157 159first strand
Strand 2
E
30 44parallel
Strand 3
E
49 61anti-parallel
Strand 4
E
121 127anti-parallel
Strand 5
E
101 102anti-parallel
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There are 4 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
90 92first strand
Strand 2
E
142 148anti-parallel
Strand 3
E
197 209anti-parallel
Strand 4
E
176 189anti-parallel
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There are 2 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
2 6first strand
Strand 2
F
11 15anti-parallel
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There are 3 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
37 45first strand
Strand 2
F
22 30anti-parallel
Strand 3
F
56 60anti-parallel
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There are 6 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
77 81first strand
Strand 2
G
107 111anti-parallel
Strand 3
G
115 118anti-parallel
Strand 4
G
57 61anti-parallel
Strand 5
G
29 34anti-parallel
Strand 6
G
156 159parallel
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There are 4 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
37 44first strand
Strand 2
G
49 55anti-parallel
Strand 3
G
121 127anti-parallel
Strand 4
G
101 102anti-parallel
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There are 4 strands in U sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
193 199first strand
Strand 2
G
203 215anti-parallel
Strand 3
G
142 148anti-parallel
Strand 4
G
90 92anti-parallel
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There are 3 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
193 199first strand
Strand 2
G
203 215anti-parallel
Strand 3
G
186 190anti-parallel
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