Analysis of interatomic Contacts of Structural Units in PDB entry:
2IA2


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 2IA2 entry

There are 4 chains in PDB entry 2IA2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 TYR 16ARG 265
B
 VAL 17ARG 265
C
 VAL 17VAL 263
D
 TYR 16ASN 264
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 45 helices in PDB entry 2IA2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
17 29Right-handed alpha
Helix 2
2
A
39 46Right-handed alpha
Helix 3
3
A
49 63Right-handed alpha
Helix 4
4
A
77 82Right-handed 310
Helix 5
5
A
83 88Right-handed alpha
Helix 6
6
A
91 108Right-handed alpha
Helix 7
7
A
148 157Right-handed alpha
Helix 8
8
A
159 170Right-handed alpha
Helix 9
9
A
182 197Right-handed alpha
Helix 10
10
A
234 236Right-handed 310
Helix 11
11
A
237 245Right-handed alpha
Helix 12
12
A
245 265Right-handed alpha
Helix 13
13
B
17 29Right-handed alpha
Helix 14
14
B
49 63Right-handed alpha
Helix 15
15
B
77 82Right-handed 310
Helix 16
16
B
83 88Right-handed alpha
Helix 17
17
B
91 108Right-handed alpha
Helix 18
18
B
148 157Right-handed alpha
Helix 19
19
B
159 170Right-handed alpha
Helix 20
20
B
182 197Right-handed alpha
Helix 21
21
B
234 236Right-handed 310
Helix 22
22
B
237 245Right-handed alpha
Helix 23
23
B
245 264Right-handed alpha
Helix 24
24
C
17 29Right-handed alpha
Helix 25
25
C
39 46Right-handed alpha
Helix 26
26
C
49 64Right-handed alpha
Helix 27
27
C
79 91Right-handed alpha
Helix 28
28
C
91 108Right-handed alpha
Helix 29
29
C
148 157Right-handed alpha
Helix 30
30
C
159 170Right-handed alpha
Helix 31
31
C
182 197Right-handed alpha
Helix 32
32
C
234 236Right-handed 310
Helix 33
33
C
237 245Right-handed alpha
Helix 34
34
C
245 261Right-handed alpha
Helix 35
35
D
17 29Right-handed alpha
Helix 36
36
D
38 47Right-handed alpha
Helix 37
37
D
49 63Right-handed alpha
Helix 38
38
D
79 90Right-handed alpha
Helix 39
39
D
91 108Right-handed alpha
Helix 40
40
D
148 157Right-handed alpha
Helix 41
41
D
159 169Right-handed alpha
Helix 42
42
D
182 197Right-handed alpha
Helix 43
43
D
234 236Right-handed 310
Helix 44
44
D
237 244Right-handed alpha
Helix 45
45
D
244 264Right-handed alpha
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There are 10 sheets in PDB entry 2IA2. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

There are 3 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
37 38first strand
Strand 2
A
72 75anti-parallel
Strand 3
A
66 68anti-parallel
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There are 6 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
142 144first strand
Strand 2
A
120 127anti-parallel
Strand 3
A
110 117anti-parallel
Strand 4
A
223 232anti-parallel
Strand 5
A
209 217anti-parallel
Strand 6
A
199 202anti-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
133 134first strand
Strand 2
C
134 135anti-parallel
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There are 3 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
37 38first strand
Strand 2
B
72 75anti-parallel
Strand 3
B
66 68anti-parallel
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There are 6 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
142 144first strand
Strand 2
B
120 127anti-parallel
Strand 3
B
110 117anti-parallel
Strand 4
B
223 232anti-parallel
Strand 5
B
209 217anti-parallel
Strand 6
B
199 202anti-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
133 135first strand
Strand 2
D
133 135anti-parallel
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There are 3 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
37 38first strand
Strand 2
C
72 75anti-parallel
Strand 3
C
66 68anti-parallel
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There are 6 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
142 144first strand
Strand 2
C
120 127anti-parallel
Strand 3
C
110 117anti-parallel
Strand 4
C
223 232anti-parallel
Strand 5
C
209 217anti-parallel
Strand 6
C
199 202anti-parallel
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There are 3 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
36 37first strand
Strand 2
D
73 75anti-parallel
Strand 3
D
66 67anti-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
142 144first strand
Strand 2
D
120 127anti-parallel
Strand 3
D
110 117anti-parallel
Strand 4
D
223 232anti-parallel
Strand 5
D
209 217anti-parallel
Strand 6
D
199 202anti-parallel
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