Analysis of interatomic Contacts of Structural Units in PDB entry:
2PK3


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 2PK3 entry

There are 2 chains in PDB entry 2PK3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1ALA 309
B
 MET 1ALA 309
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 26 helices in PDB entry 2PK3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
10 23Right-handed alpha
Helix 2
2
A
50 62Right-handed alpha
Helix 3
3
A
74 79Right-handed alpha
Helix 4
4
A
81 104Right-handed alpha
Helix 5
5
A
116 118Right-handed 310
Helix 6
6
A
122 126Right-handed 310
Helix 7
7
A
138 159Right-handed alpha
Helix 8
8
A
179 193Right-handed alpha
Helix 9
9
A
214 228Right-handed alpha
Helix 10
10
A
244 255Right-handed alpha
Helix 11
11
A
265 268Right-handed 310
Helix 12
12
A
280 288Right-handed alpha
Helix 13
13
A
294 308Right-handed alpha
Helix 14
14
B
10 22Right-handed alpha
Helix 15
15
B
50 62Right-handed alpha
Helix 16
16
B
74 79Right-handed alpha
Helix 17
17
B
81 104Right-handed alpha
Helix 18
18
B
116 118Right-handed 310
Helix 19
19
B
122 126Right-handed 310
Helix 20
20
B
138 159Right-handed alpha
Helix 21
21
B
179 193Right-handed alpha
Helix 22
22
B
214 228Right-handed alpha
Helix 23
23
B
244 255Right-handed alpha
Helix 24
24
B
265 268Right-handed 310
Helix 25
25
B
280 288Right-handed alpha
Helix 26
26
B
294 308Right-handed alpha
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There are 6 sheets in PDB entry 2PK3. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

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
41 45first strand
Strand 2
A
26 31parallel
Strand 3
A
2 6parallel
Strand 4
A
65 68parallel
Strand 5
A
108 114parallel
Strand 6
A
161 167parallel
Strand 7
A
233 236parallel
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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
169 171first strand
Strand 2
A
208 213parallel
Strand 3
A
241 243anti-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
199 202first strand
Strand 2
A
260 263parallel
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There are 7 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
41 45first strand
Strand 2
B
26 31parallel
Strand 3
B
2 6parallel
Strand 4
B
65 68parallel
Strand 5
B
108 114parallel
Strand 6
B
161 167parallel
Strand 7
B
233 236parallel
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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
B
169 171first strand
Strand 2
B
208 213parallel
Strand 3
B
241 243anti-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
199 202first strand
Strand 2
B
260 263parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il