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


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 1IAH entry

There are 2 chains in PDB entry 1IAH (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 TYR 1551THR 1828
B
 THR 1549THR 1828
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 1IAH. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
1554 1564Right-handed alpha
Helix 2
2
A
1589 1593Right-handed 310
Helix 3
3
A
1592 1596Right-handed 310
Helix 4
4
A
1634 1636Right-handed 310
Helix 5
5
A
1649 1657Right-handed alpha
Helix 6
6
A
1663 1690Right-handed alpha
Helix 7
7
A
1740 1757Right-handed alpha
Helix 8
8
A
1785 1789Right-handed 310
Helix 9
9
A
1799 1808Right-handed alpha
Helix 10
10
A
1811 1817Right-handed alpha
Helix 11
11
B
1554 1563Right-handed alpha
Helix 12
12
B
1564 1566Right-handed 310
Helix 13
13
B
1589 1593Right-handed 310
Helix 14
14
B
1592 1596Right-handed 310
Helix 15
15
B
1634 1636Right-handed 310
Helix 16
16
B
1649 1657Right-handed alpha
Helix 17
17
B
1663 1690Right-handed alpha
Helix 18
18
B
1740 1757Right-handed alpha
Helix 19
19
B
1799 1808Right-handed alpha
Helix 20
20
B
1811 1817Right-handed alpha
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There are 8 sheets in PDB entry 1IAH. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 7 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
1578 1583first strand
Strand 2
A
1605 1613anti-parallel
Strand 3
A
1622 1632anti-parallel
Strand 4
A
1641 1648anti-parallel
Strand 5
A
1713 1719anti-parallel
Strand 6
A
1704 1708anti-parallel
Strand 7
A
1578 1583anti-parallel
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There are 2 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
1585 1587first strand
Strand 2
A
1598 1600anti-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
1699 1700first strand
Strand 2
A
1772 1773parallel
Strand 3
A
1767 1769anti-parallel
Strand 4
A
1726 1727anti-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
1761 1764first strand
Strand 2
A
1777 1780anti-parallel
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There are 7 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
1578 1583first strand
Strand 2
B
1605 1610anti-parallel
Strand 3
B
1622 1632anti-parallel
Strand 4
B
1641 1648anti-parallel
Strand 5
B
1713 1719anti-parallel
Strand 6
B
1704 1708anti-parallel
Strand 7
B
1578 1583anti-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
B
1585 1587first strand
Strand 2
B
1598 1600anti-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
1699 1700first strand
Strand 2
B
1772 1773parallel
Strand 3
B
1767 1769anti-parallel
Strand 4
B
1726 1727anti-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
B
1761 1764first strand
Strand 2
B
1777 1780anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il