Analysis of interatomic Contacts of Structural Units in PDB entry:
1IA9


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 1IA9 entry

There are 2 chains in PDB entry 1IA9 (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 21 helices in PDB entry 1IA9. 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 1563Right-handed alpha
Helix 2
2
A
1564 1566Right-handed 310
Helix 3
3
A
1589 1593Right-handed 310
Helix 4
4
A
1592 1596Right-handed 310
Helix 5
5
A
1634 1636Right-handed 310
Helix 6
6
A
1649 1656Right-handed alpha
Helix 7
7
A
1663 1690Right-handed alpha
Helix 8
8
A
1740 1757Right-handed alpha
Helix 9
9
A
1785 1789Right-handed 310
Helix 10
10
A
1799 1808Right-handed alpha
Helix 11
11
A
1811 1817Right-handed alpha
Helix 12
12
B
1554 1563Right-handed alpha
Helix 13
13
B
1564 1566Right-handed 310
Helix 14
14
B
1589 1593Right-handed 310
Helix 15
15
B
1592 1596Right-handed 310
Helix 16
16
B
1634 1636Right-handed 310
Helix 17
17
B
1649 1658Right-handed alpha
Helix 18
18
B
1663 1690Right-handed alpha
Helix 19
19
B
1740 1757Right-handed alpha
Helix 20
20
B
1799 1808Right-handed alpha
Helix 21
21
B
1811 1817Right-handed alpha
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There are 8 sheets in PDB entry 1IA9. 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
1704 1708first strand
Strand 2
A
1578 1583anti-parallel
Strand 3
A
1605 1613anti-parallel
Strand 4
A
1622 1632anti-parallel
Strand 5
A
1641 1648anti-parallel
Strand 6
A
1713 1719anti-parallel
Strand 7
A
1704 1708anti-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 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
1761 1764first strand
Strand 2
A
1777 1780anti-parallel
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There are 4 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
1726 1727first strand
Strand 2
A
1767 1769anti-parallel
Strand 3
A
1772 1773anti-parallel
Strand 4
A
1699 1700parallel
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There are 9 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
1704 1708first strand
Strand 2
B
1578 1583anti-parallel
Strand 3
B
1605 1610anti-parallel
Strand 4
B
1622 1632anti-parallel
Strand 5
B
1616 1617anti-parallel
Strand 6
B
1622 1632anti-parallel
Strand 7
B
1641 1648anti-parallel
Strand 8
B
1713 1719anti-parallel
Strand 9
B
1704 1708anti-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
1726 1727first strand
Strand 2
B
1767 1769anti-parallel
Strand 3
B
1772 1773anti-parallel
Strand 4
B
1699 1700parallel
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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