Analysis of interatomic Contacts of Structural Units in PDB entry:
2PA4


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 2PA4 entry

There are 4 chains in PDB entry 2PA4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 VAL 12ALA 305
B
 ASN 10ILE 308
C
 ASN 10ILE 308
D
 ALA 11ILE 308
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 68 helices in PDB entry 2PA4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
23 27Right-handed 310
Helix 2
2
A
28 32Right-handed 310
Helix 3
3
A
34 37Right-handed 310
Helix 4
4
A
45 56Right-handed alpha
Helix 5
5
A
70 75Right-handed alpha
Helix 6
6
A
79 89Right-handed alpha
Helix 7
7
A
91 98Right-handed alpha
Helix 8
8
A
99 105Right-handed alpha
Helix 9
9
A
117 124Right-handed alpha
Helix 10
10
A
125 129Right-handed 310
Helix 11
11
A
149 160Right-handed alpha
Helix 12
12
A
172 178Right-handed 310
Helix 13
13
A
222 231Right-handed alpha
Helix 14
14
A
234 238Right-handed 310
Helix 15
15
A
240 251Right-handed alpha
Helix 16
16
A
269 283Right-handed alpha
Helix 17
17
A
287 305Right-handed alpha
Helix 18
18
B
23 27Right-handed 310
Helix 19
19
B
28 32Right-handed 310
Helix 20
20
B
34 37Right-handed 310
Helix 21
21
B
45 56Right-handed alpha
Helix 22
22
B
70 75Right-handed alpha
Helix 23
23
B
79 88Right-handed alpha
Helix 24
24
B
91 98Right-handed alpha
Helix 25
25
B
99 105Right-handed alpha
Helix 26
26
B
117 124Right-handed alpha
Helix 27
27
B
125 129Right-handed 310
Helix 28
28
B
149 162Right-handed alpha
Helix 29
29
B
175 178Right-handed 310
Helix 30
30
B
204 208Right-handed 310
Helix 31
31
B
223 231Right-handed alpha
Helix 32
32
B
234 238Right-handed 310
Helix 33
33
B
240 251Right-handed alpha
Helix 34
34
B
269 284Right-handed alpha
Helix 35
35
B
287 308Right-handed alpha
Helix 36
36
C
23 27Right-handed 310
Helix 37
37
C
28 32Right-handed 310
Helix 38
38
C
34 37Right-handed 310
Helix 39
39
C
45 56Right-handed alpha
Helix 40
40
C
70 75Right-handed alpha
Helix 41
41
C
79 89Right-handed alpha
Helix 42
42
C
91 98Right-handed alpha
Helix 43
43
C
99 105Right-handed alpha
Helix 44
44
C
117 124Right-handed alpha
Helix 45
45
C
125 129Right-handed 310
Helix 46
46
C
149 162Right-handed alpha
Helix 47
47
C
172 177Right-handed alpha
Helix 48
48
C
204 208Right-handed 310
Helix 49
49
C
222 229Right-handed alpha
Helix 50
50
C
234 238Right-handed 310
Helix 51
51
C
240 251Right-handed alpha
Helix 52
52
C
269 283Right-handed alpha
Helix 53
53
C
287 308Right-handed alpha
Helix 54
54
D
23 27Right-handed 310
Helix 55
55
D
28 32Right-handed 310
Helix 56
56
D
34 37Right-handed 310
Helix 57
57
D
45 56Right-handed alpha
Helix 58
58
D
69 75Right-handed alpha
Helix 59
59
D
79 87Right-handed alpha
Helix 60
60
D
94 105Right-handed alpha
Helix 61
61
D
117 124Right-handed alpha
Helix 62
62
D
125 129Right-handed 310
Helix 63
63
D
149 162Right-handed alpha
Helix 64
64
D
172 176Right-handed 310
Helix 65
65
D
223 231Right-handed alpha
Helix 66
66
D
240 251Right-handed alpha
Helix 67
67
D
269 283Right-handed alpha
Helix 68
68
D
287 308Right-handed alpha
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There are 12 sheets in PDB entry 2PA4. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 10 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
106 111first strand
Strand 2
A
60 65parallel
Strand 3
A
14 18parallel
Strand 4
A
135 139parallel
Strand 5
A
212 221anti-parallel
Strand 6
A
180 186anti-parallel
Strand 7
A
193 201anti-parallel
Strand 8
A
255 259anti-parallel
Strand 9
A
164 170parallel
Strand 10
A
212 221anti-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
39 40first strand
Strand 2
A
43 44anti-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
143 146first strand
Strand 2
A
263 266anti-parallel
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There are 10 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
106 111first strand
Strand 2
B
60 65parallel
Strand 3
B
14 18parallel
Strand 4
B
135 139parallel
Strand 5
B
212 221anti-parallel
Strand 6
B
180 186anti-parallel
Strand 7
B
193 201anti-parallel
Strand 8
B
255 259anti-parallel
Strand 9
B
164 170parallel
Strand 10
B
212 221anti-parallel
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There are 2 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
39 40first strand
Strand 2
B
43 44anti-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
143 145first strand
Strand 2
B
264 266anti-parallel
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There are 10 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
106 111first strand
Strand 2
C
60 65parallel
Strand 3
C
14 18parallel
Strand 4
C
135 139parallel
Strand 5
C
212 221anti-parallel
Strand 6
C
180 187anti-parallel
Strand 7
C
193 201anti-parallel
Strand 8
C
255 259anti-parallel
Strand 9
C
164 170parallel
Strand 10
C
212 221anti-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
C
39 40first strand
Strand 2
C
43 44anti-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
143 145first strand
Strand 2
C
264 266anti-parallel
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There are 10 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
106 111first strand
Strand 2
D
60 65parallel
Strand 3
D
14 18parallel
Strand 4
D
135 139parallel
Strand 5
D
212 221anti-parallel
Strand 6
D
180 186anti-parallel
Strand 7
D
193 201anti-parallel
Strand 8
D
255 259anti-parallel
Strand 9
D
164 170parallel
Strand 10
D
212 221anti-parallel
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There are 2 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
39 40first strand
Strand 2
D
43 44anti-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
143 146first strand
Strand 2
D
263 266anti-parallel
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