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


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 3SKU entry

There are 6 chains in PDB entry 3SKU (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 23LEU 252
B
 LEU 28SER 250
C
 PRO 23SER 250
E
 VAL 32LEU 241
D
 VAL 32LEU 241
F
 VAL 32LEU 241
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 20 helices in PDB entry 3SKU. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
76 82Right-handed alpha
Helix 2
2
A
87 91Right-handed 310
Helix 3
3
A
157 161Right-handed 310
Helix 4
4
A
204 211Right-handed alpha
Helix 5
5
A
213 218Right-handed alpha
Helix 6
6
A
224 240Right-handed alpha
Helix 7
7
B
76 82Right-handed alpha
Helix 8
8
B
157 161Right-handed 310
Helix 9
9
B
204 211Right-handed alpha
Helix 10
10
B
224 240Right-handed alpha
Helix 11
11
C
76 82Right-handed alpha
Helix 12
12
C
87 91Right-handed 310
Helix 13
13
C
157 161Right-handed 310
Helix 14
14
C
204 211Right-handed alpha
Helix 15
15
C
213 218Right-handed alpha
Helix 16
16
C
224 240Right-handed alpha
Helix 17
17
E
93 95Right-handed 310
Helix 18
18
E
115 119Right-handed 310
Helix 19
19
E
230 233Right-handed 310
Helix 20
20
F
230 233Right-handed 310
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There are 23 sheets in PDB entry 3SKU. 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, W,

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
35 37first strand
Strand 2
A
129 131parallel
Strand 3
A
109 116anti-parallel
Strand 4
A
95 101anti-parallel
Strand 5
A
162 170anti-parallel
Strand 6
A
173 176anti-parallel
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There are 8 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
35 37first strand
Strand 2
A
129 131parallel
Strand 3
A
109 116anti-parallel
Strand 4
A
95 101anti-parallel
Strand 5
A
162 170anti-parallel
Strand 6
A
179 183anti-parallel
Strand 7
A
58 62parallel
Strand 8
A
250 251anti-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
69 71first strand
Strand 2
A
151 153anti-parallel
Strand 3
A
142 144anti-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
134 135first strand
Strand 2
A
220 221anti-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
B
35 37first strand
Strand 2
B
129 131parallel
Strand 3
B
107 116anti-parallel
Strand 4
B
95 102anti-parallel
Strand 5
B
162 170anti-parallel
Strand 6
B
173 176anti-parallel
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There are 7 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
58 62first strand
Strand 2
B
179 183parallel
Strand 3
B
162 170anti-parallel
Strand 4
B
95 102anti-parallel
Strand 5
B
107 116anti-parallel
Strand 6
B
134 135anti-parallel
Strand 7
B
220 221anti-parallel
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There are 3 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
69 71first strand
Strand 2
B
151 153anti-parallel
Strand 3
B
142 144anti-parallel
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There are 6 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
35 37first strand
Strand 2
C
129 131parallel
Strand 3
C
109 116anti-parallel
Strand 4
C
95 101anti-parallel
Strand 5
C
162 170anti-parallel
Strand 6
C
134 135first strand
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There are 6 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
58 62first strand
Strand 2
C
179 183parallel
Strand 3
C
162 170anti-parallel
Strand 4
C
95 101anti-parallel
Strand 5
C
109 116anti-parallel
Strand 6
C
173 176first strand
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There are 3 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
69 71first strand
Strand 2
C
151 153anti-parallel
Strand 3
C
142 144anti-parallel
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There are 2 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
33 35first strand
Strand 2
E
51 53anti-parallel
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There are 6 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
38 42first strand
Strand 2
E
134 143parallel
Strand 3
E
120 128anti-parallel
Strand 4
E
62 70anti-parallel
Strand 5
E
75 80anti-parallel
Strand 6
E
88 89anti-parallel
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There are 3 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
47 49first strand
Strand 2
E
109 111anti-parallel
Strand 3
E
97 99anti-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
E
147 149first strand
Strand 2
E
173 177anti-parallel
Strand 3
E
205 209anti-parallel
Strand 4
E
195 199anti-parallel
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There are 3 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
183 186first strand
Strand 2
E
225 228anti-parallel
Strand 3
E
235 236anti-parallel
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There are 6 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
38 42first strand
Strand 2
D
135 143parallel
Strand 3
D
120 126anti-parallel
Strand 4
D
65 68anti-parallel
Strand 5
D
77 81anti-parallel
Strand 6
D
87 89anti-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
D
47 49first strand
Strand 2
D
109 111anti-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
D
148 151first strand
Strand 2
D
171 177anti-parallel
Strand 3
D
205 210anti-parallel
Strand 4
D
195 199anti-parallel
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There are 3 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
183 186first strand
Strand 2
D
225 230anti-parallel
Strand 3
D
233 238anti-parallel
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There are 6 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
38 42first strand
Strand 2
F
134 143parallel
Strand 3
F
120 128anti-parallel
Strand 4
F
62 70anti-parallel
Strand 5
F
76 81anti-parallel
Strand 6
F
87 89anti-parallel
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There are 3 strands in U sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
47 49first strand
Strand 2
F
109 111anti-parallel
Strand 3
F
97 99anti-parallel
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There are 4 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
147 149first strand
Strand 2
F
171 177anti-parallel
Strand 3
F
205 210anti-parallel
Strand 4
F
195 199anti-parallel
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There are 3 strands in W sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
183 186first strand
Strand 2
F
225 228anti-parallel
Strand 3
F
235 238anti-parallel
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