Analysis of interatomic Contacts of Structural Units in PDB entry:
2PI2


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 2PI2 entry

There are 8 chains in PDB entry 2PI2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 41PRO 176
B
 ARG 42SER 174
C
 ALA 43ASN 173
D
 ALA 43SER 174
E
 VAL 2VAL 118
F
 VAL 2HIS 120
G
 VAL 2GLN 119
H
 VAL 2VAL 118
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 23 helices in PDB entry 2PI2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
50 57Right-handed alpha
Helix 2
2
A
152 173Right-handed alpha
Helix 3
3
B
50 56Right-handed alpha
Helix 4
4
B
152 174Right-handed alpha
Helix 5
5
C
50 56Right-handed alpha
Helix 6
6
C
152 173Right-handed alpha
Helix 7
7
D
50 57Right-handed alpha
Helix 8
8
D
152 173Right-handed alpha
Helix 9
9
E
3 7Right-handed 310
Helix 10
10
E
13 20Right-handed 310
Helix 11
11
E
95 109Right-handed alpha
Helix 12
12
E
110 113Right-handed 310
Helix 13
13
F
3 7Right-handed 310
Helix 14
14
F
13 20Right-handed 310
Helix 15
15
F
95 109Right-handed alpha
Helix 16
16
F
110 113Right-handed 310
Helix 17
17
G
3 7Right-handed 310
Helix 18
18
G
13 20Right-handed 310
Helix 19
19
G
95 109Right-handed alpha
Helix 20
20
G
110 113Right-handed 310
Helix 21
21
H
13 20Right-handed 310
Helix 22
22
H
95 109Right-handed alpha
Helix 23
23
H
110 113Right-handed 310
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There are 12 sheets in PDB entry 2PI2. 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 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
47 48first strand
Strand 2
A
73 85parallel
Strand 3
A
125 135anti-parallel
Strand 4
A
138 148anti-parallel
Strand 5
A
102 107parallel
Strand 6
A
89 95anti-parallel
Strand 7
A
73 85anti-parallel
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There are 3 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
58 60first strand
Strand 2
A
63 66anti-parallel
Strand 3
A
69 71anti-parallel
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There are 7 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
47 48first strand
Strand 2
B
73 86parallel
Strand 3
B
125 135anti-parallel
Strand 4
B
138 148anti-parallel
Strand 5
B
102 107parallel
Strand 6
B
89 95anti-parallel
Strand 7
B
73 86anti-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
58 59first strand
Strand 2
B
64 66anti-parallel
Strand 3
B
69 71anti-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
C
46 48first strand
Strand 2
C
73 85parallel
Strand 3
C
125 133anti-parallel
Strand 4
C
140 148anti-parallel
Strand 5
C
102 107parallel
Strand 6
C
89 95anti-parallel
Strand 7
C
73 85anti-parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
58 59first strand
Strand 2
C
64 66anti-parallel
Strand 3
C
69 71anti-parallel
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There are 7 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
47 48first strand
Strand 2
D
73 85parallel
Strand 3
D
125 134anti-parallel
Strand 4
D
139 148anti-parallel
Strand 5
D
102 107parallel
Strand 6
D
89 95anti-parallel
Strand 7
D
73 85anti-parallel
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There are 3 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
58 60first strand
Strand 2
D
63 66anti-parallel
Strand 3
D
69 71anti-parallel
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There are 7 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
10 12first strand
Strand 2
E
24 34parallel
Strand 3
E
66 73anti-parallel
Strand 4
E
79 86anti-parallel
Strand 5
E
50 54parallel
Strand 6
E
40 44anti-parallel
Strand 7
E
24 34anti-parallel
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There are 7 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
10 12first strand
Strand 2
F
24 34parallel
Strand 3
F
66 73anti-parallel
Strand 4
F
79 86anti-parallel
Strand 5
F
50 55parallel
Strand 6
F
40 44anti-parallel
Strand 7
F
24 34anti-parallel
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There are 7 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
10 12first strand
Strand 2
G
24 34parallel
Strand 3
G
66 73anti-parallel
Strand 4
G
79 86anti-parallel
Strand 5
G
50 54parallel
Strand 6
G
40 44anti-parallel
Strand 7
G
24 34anti-parallel
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There are 7 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
10 12first strand
Strand 2
H
24 34parallel
Strand 3
H
66 73anti-parallel
Strand 4
H
79 86anti-parallel
Strand 5
H
50 55parallel
Strand 6
H
40 44anti-parallel
Strand 7
H
24 34anti-parallel
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