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


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 1SIO entry

There are 6 chains in PDB entry 1SIO (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1PRO 357
B
 ALA 2PRO 357
C
 THR 4LEU 356
D
 ILE 2PRO 3
E
 ILE 2PRO 3
F
 ILE 2PRO 3
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 43 helices in PDB entry 1SIO. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
7 15Right-handed alpha
Helix 2
2
A
38 50Right-handed alpha
Helix 3
3
A
75 90Right-handed alpha
Helix 4
4
A
103 116Right-handed alpha
Helix 5
5
A
134 136Right-handed 310
Helix 6
6
A
137 155Right-handed alpha
Helix 7
7
A
165 169Right-handed 310
Helix 8
8
A
228 232Right-handed 310
Helix 9
9
A
258 261Right-handed 310
Helix 10
10
A
276 278Right-handed 310
Helix 11
11
A
279 296Right-handed alpha
Helix 12
12
A
302 309Right-handed alpha
Helix 13
13
A
310 312Right-handed 310
Helix 14
14
A
347 356Right-handed alpha
Helix 15
15
B
7 15Right-handed alpha
Helix 16
16
B
38 50Right-handed alpha
Helix 17
17
B
75 90Right-handed alpha
Helix 18
18
B
103 117Right-handed alpha
Helix 19
19
B
134 136Right-handed 310
Helix 20
20
B
137 154Right-handed alpha
Helix 21
21
B
210 215Right-handed alpha
Helix 22
22
B
228 232Right-handed 310
Helix 23
23
B
276 278Right-handed 310
Helix 24
24
B
279 296Right-handed alpha
Helix 25
25
B
302 307Right-handed alpha
Helix 26
26
B
308 309Right-handed 310
Helix 27
27
B
310 312Right-handed 310
Helix 28
28
B
347 356Right-handed alpha
Helix 29
29
C
7 15Right-handed alpha
Helix 30
30
C
38 49Right-handed alpha
Helix 31
31
C
74 90Right-handed alpha
Helix 32
32
C
103 117Right-handed alpha
Helix 33
33
C
134 136Right-handed 310
Helix 34
34
C
137 155Right-handed alpha
Helix 35
35
C
165 169Right-handed 310
Helix 36
36
C
210 215Right-handed alpha
Helix 37
37
C
228 232Right-handed 310
Helix 38
38
C
258 261Right-handed 310
Helix 39
39
C
276 278Right-handed 310
Helix 40
40
C
279 296Right-handed alpha
Helix 41
41
C
302 309Right-handed alpha
Helix 42
42
C
310 312Right-handed 310
Helix 43
43
C
347 355Right-handed alpha
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There are 18 sheets in PDB entry 1SIO. 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 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
5 6first strand
Strand 2
A
262 267parallel
Strand 3
A
270 274anti-parallel
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There are 7 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
56 60first strand
Strand 2
A
94 99parallel
Strand 3
A
27 32parallel
Strand 4
A
124 127parallel
Strand 5
A
157 161parallel
Strand 6
A
188 198parallel
Strand 7
A
201 207anti-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
A
56 60first strand
Strand 2
A
94 99parallel
Strand 3
A
27 32parallel
Strand 4
A
124 127parallel
Strand 5
A
157 161parallel
Strand 6
A
188 198parallel
Strand 7
A
253 256parallel
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There are 3 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
179 180first strand
Strand 2
A
129 132anti-parallel
Strand 3
D
2 3anti-parallel
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There are 2 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
220 221first strand
Strand 2
A
249 250anti-parallel
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There are 2 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
314 315first strand
Strand 2
A
345 346anti-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
4 6first strand
Strand 2
B
261 267parallel
Strand 3
B
270 274anti-parallel
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There are 7 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
56 60first strand
Strand 2
B
94 99parallel
Strand 3
B
27 32parallel
Strand 4
B
124 127parallel
Strand 5
B
157 161parallel
Strand 6
B
188 198parallel
Strand 7
B
201 207anti-parallel
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There are 7 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 60first strand
Strand 2
B
94 99parallel
Strand 3
B
27 32parallel
Strand 4
B
124 127parallel
Strand 5
B
157 161parallel
Strand 6
B
188 198parallel
Strand 7
B
253 256parallel
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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
B
179 180first strand
Strand 2
B
129 132anti-parallel
Strand 3
E
2 3anti-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
B
220 221first strand
Strand 2
B
249 250anti-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
314 315first strand
Strand 2
B
345 346anti-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
C
5 6first strand
Strand 2
C
262 267parallel
Strand 3
C
270 274anti-parallel
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There are 7 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
56 60first strand
Strand 2
C
94 99parallel
Strand 3
C
27 32parallel
Strand 4
C
124 127parallel
Strand 5
C
157 161parallel
Strand 6
C
188 198parallel
Strand 7
C
201 207anti-parallel
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There are 7 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
56 60first strand
Strand 2
C
94 99parallel
Strand 3
C
27 32parallel
Strand 4
C
124 127parallel
Strand 5
C
157 161parallel
Strand 6
C
188 198parallel
Strand 7
C
253 256parallel
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There are 3 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
179 180first strand
Strand 2
C
129 132anti-parallel
Strand 3
F
2 3anti-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
C
220 221first strand
Strand 2
C
249 250anti-parallel
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There are 2 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
314 315first strand
Strand 2
C
345 346anti-parallel
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