Analysis of interatomic Contacts of Structural Units in PDB entry:
1I9B


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 1I9B entry

There are 5 chains in PDB entry 1I9B (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PHE 1GLY 205
B
 PHE 1GLY 205
C
 PHE 1GLY 205
D
 PHE 1GLY 205
E
 PHE 1GLY 205
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 1I9B. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
2 14Right-handed alpha
Helix 2
2
A
61 64Right-handed 310
Helix 3
3
A
79 81Right-handed 310
Helix 4
4
B
2 14Right-handed alpha
Helix 5
5
B
61 64Right-handed 310
Helix 6
6
B
79 81Right-handed 310
Helix 7
7
C
2 14Right-handed alpha
Helix 8
8
C
61 64Right-handed 310
Helix 9
9
C
79 81Right-handed 310
Helix 10
10
D
2 14Right-handed alpha
Helix 11
11
D
61 64Right-handed 310
Helix 12
12
D
79 81Right-handed 310
Helix 13
13
E
2 14Right-handed alpha
Helix 14
14
E
61 64Right-handed 310
Helix 15
15
E
79 81Right-handed 310
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There are 15 sheets in PDB entry 1I9B. 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,

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
150 153first strand
Strand 2
A
27 42parallel
Strand 3
A
47 59anti-parallel
Strand 4
A
110 113anti-parallel
Strand 5
A
102 106anti-parallel
Strand 6
A
73 77anti-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
150 153first strand
Strand 2
A
27 42parallel
Strand 3
A
47 59anti-parallel
Strand 4
A
116 122anti-parallel
Strand 5
A
96 97anti-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
86 88first strand
Strand 2
A
134 142anti-parallel
Strand 3
A
188 203anti-parallel
Strand 4
A
171 185anti-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
150 153first strand
Strand 2
B
27 42parallel
Strand 3
B
47 59anti-parallel
Strand 4
B
110 113anti-parallel
Strand 5
B
102 106anti-parallel
Strand 6
B
73 77anti-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
150 153first strand
Strand 2
B
27 42parallel
Strand 3
B
47 59anti-parallel
Strand 4
B
116 122anti-parallel
Strand 5
B
96 97anti-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
86 88first strand
Strand 2
B
134 142anti-parallel
Strand 3
B
188 203anti-parallel
Strand 4
B
171 185anti-parallel
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There are 6 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
150 153first strand
Strand 2
C
27 42parallel
Strand 3
C
47 59anti-parallel
Strand 4
C
110 113anti-parallel
Strand 5
C
102 106anti-parallel
Strand 6
C
73 77anti-parallel
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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
C
150 153first strand
Strand 2
C
27 42parallel
Strand 3
C
47 59anti-parallel
Strand 4
C
116 122anti-parallel
Strand 5
C
96 97anti-parallel
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There are 4 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
86 88first strand
Strand 2
C
134 142anti-parallel
Strand 3
C
188 203anti-parallel
Strand 4
C
171 185anti-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
150 153first strand
Strand 2
D
27 42parallel
Strand 3
D
47 59anti-parallel
Strand 4
D
110 113anti-parallel
Strand 5
D
102 106anti-parallel
Strand 6
D
73 77anti-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
150 153first strand
Strand 2
D
27 42parallel
Strand 3
D
47 59anti-parallel
Strand 4
D
116 122anti-parallel
Strand 5
D
96 97anti-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
86 88first strand
Strand 2
D
134 142anti-parallel
Strand 3
D
188 203anti-parallel
Strand 4
D
171 185anti-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
E
150 153first strand
Strand 2
E
27 42parallel
Strand 3
E
47 59anti-parallel
Strand 4
E
110 113anti-parallel
Strand 5
E
102 106anti-parallel
Strand 6
E
73 77anti-parallel
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There are 5 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
150 153first strand
Strand 2
E
27 42parallel
Strand 3
E
47 59anti-parallel
Strand 4
E
116 122anti-parallel
Strand 5
E
96 97anti-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
E
86 88first strand
Strand 2
E
134 142anti-parallel
Strand 3
E
188 203anti-parallel
Strand 4
E
171 185anti-parallel
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