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


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 3IHX entry

There are 4 chains in PDB entry 3IHX (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 HIS 6VAL 146
B
 LEU 5GLN 148
C
 ARG 11GLN 148
D
 PRO 7ASN 147
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 12 helices in PDB entry 3IHX. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
15 20Right-handed alpha
Helix 2
2
A
95 100Right-handed 310
Helix 3
3
A
139 146Right-handed alpha
Helix 4
4
B
15 20Right-handed alpha
Helix 5
5
B
95 100Right-handed 310
Helix 6
6
B
139 148Right-handed alpha
Helix 7
7
C
15 20Right-handed alpha
Helix 8
8
C
95 100Right-handed 310
Helix 9
9
C
139 147Right-handed alpha
Helix 10
10
D
15 20Right-handed alpha
Helix 11
11
D
95 100Right-handed 310
Helix 12
12
D
139 147Right-handed alpha
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There are 11 sheets in PDB entry 3IHX. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K,

There are 2 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
25 27first strand
Strand 2
A
34 36anti-parallel
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There are 4 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
45 46first strand
Strand 2
A
120 124anti-parallel
Strand 3
A
111 115anti-parallel
Strand 4
A
136 138parallel
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There are 2 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
53 54first strand
Strand 2
A
85 86anti-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
B
26 27first strand
Strand 2
B
34 35anti-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
45 46first strand
Strand 2
B
119 124anti-parallel
Strand 3
B
111 116anti-parallel
Strand 4
B
135 138parallel
Strand 5
B
101 102parallel
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There are 3 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
53 54first strand
Strand 2
B
84 86anti-parallel
Strand 3
B
67 68anti-parallel
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There are 2 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
25 27first strand
Strand 2
C
34 36anti-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
45 46first strand
Strand 2
C
120 124anti-parallel
Strand 3
C
111 115anti-parallel
Strand 4
C
135 138parallel
Strand 5
C
101 102parallel
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There are 2 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
53 54first strand
Strand 2
C
85 86anti-parallel
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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
D
25 27first strand
Strand 2
D
34 36anti-parallel
Strand 3
D
133 134anti-parallel
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There are 4 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
45 46first strand
Strand 2
D
120 124anti-parallel
Strand 3
D
111 115anti-parallel
Strand 4
D
136 138parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il