Analysis of interatomic Contacts of Structural Units in PDB entry:
2IA9


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 2IA9 entry

There are 6 chains in PDB entry 2IA9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN -1GLU 92
B
 ASN -1GLU 93
C
 ASN -1THR 86
D
 ASN -1SER 97
E
 ASN -1GLU 87
F
 SER -2GLU 93
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 6 helices in PDB entry 2IA9. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
65 91Right-handed alpha
Helix 2
2
B
65 93Right-handed alpha
Helix 3
3
C
65 84Right-handed alpha
Helix 4
4
D
65 97Right-handed alpha
Helix 5
5
E
65 81Right-handed alpha
Helix 6
6
F
65 89Right-handed alpha
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There are 17 sheets in PDB entry 2IA9. 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,

There are 4 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
3 10first strand
Strand 2
A
17 25anti-parallel
Strand 3
A
29 39anti-parallel
Strand 4
A
42 46anti-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
3 10first strand
Strand 2
A
17 25anti-parallel
Strand 3
A
29 39anti-parallel
Strand 4
B
61 63anti-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
49 51first strand
Strand 2
A
57 59anti-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
61 63first strand
Strand 2
B
29 38anti-parallel
Strand 3
B
17 25anti-parallel
Strand 4
B
3 9anti-parallel
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There are 3 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
61 63first strand
Strand 2
B
29 38anti-parallel
Strand 3
B
43 46anti-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
49 51first strand
Strand 2
B
57 59anti-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
C
3 10first strand
Strand 2
C
17 25anti-parallel
Strand 3
C
29 39anti-parallel
Strand 4
C
42 46anti-parallel
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There are 4 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
3 10first strand
Strand 2
C
17 25anti-parallel
Strand 3
C
29 39anti-parallel
Strand 4
D
61 63anti-parallel
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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
49 50first strand
Strand 2
C
58 59anti-parallel
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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
61 63first strand
Strand 2
D
29 39anti-parallel
Strand 3
D
17 25anti-parallel
Strand 4
D
3 9anti-parallel
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There are 3 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
61 63first strand
Strand 2
D
29 39anti-parallel
Strand 3
D
42 46anti-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
D
49 51first strand
Strand 2
D
57 59anti-parallel
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There are 4 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
3 10first strand
Strand 2
E
17 25anti-parallel
Strand 3
E
29 39anti-parallel
Strand 4
E
42 46anti-parallel
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There are 4 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
3 10first strand
Strand 2
E
17 25anti-parallel
Strand 3
E
29 39anti-parallel
Strand 4
F
61 63anti-parallel
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There are 2 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
49 50first strand
Strand 2
E
58 59anti-parallel
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There are 4 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
61 63first strand
Strand 2
F
29 38anti-parallel
Strand 3
F
17 25anti-parallel
Strand 4
F
3 10anti-parallel
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There are 3 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
61 63first strand
Strand 2
F
29 38anti-parallel
Strand 3
F
43 46anti-parallel
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