Analysis of interatomic Contacts of Structural Units in PDB entry:
1P91


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 1P91 entry

There are 2 chains in PDB entry 1P91 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 2TYR 269
B
 SER 2TYR 269
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 18 helices in PDB entry 1P91. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
51 63Right-handed alpha
Helix 2
2
A
67 82Right-handed alpha
Helix 3
3
A
99 106Right-handed alpha
Helix 4
4
A
118 129Right-handed alpha
Helix 5
5
A
160 167Right-handed alpha
Helix 6
6
A
184 189Right-handed alpha
Helix 7
7
A
224 233Right-handed alpha
Helix 8
8
A
236 240Right-handed 310
Helix 9
9
A
241 251Right-handed alpha
Helix 10
10
B
51 64Right-handed alpha
Helix 11
11
B
67 82Right-handed alpha
Helix 12
12
B
99 107Right-handed alpha
Helix 13
13
B
118 129Right-handed alpha
Helix 14
14
B
160 167Right-handed alpha
Helix 15
15
B
184 191Right-handed alpha
Helix 16
16
B
223 232Right-handed alpha
Helix 17
17
B
236 240Right-handed 310
Helix 18
18
B
241 251Right-handed alpha
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There are 4 sheets in PDB entry 1P91. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
13 15first strand
Strand 2
A
18 20anti-parallel
Strand 3
A
26 28anti-parallel
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There are 8 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
35 36first strand
Strand 2
A
133 136parallel
Strand 3
A
111 116parallel
Strand 4
A
88 92parallel
Strand 5
A
149 155parallel
Strand 6
A
168 179parallel
Strand 7
A
253 267anti-parallel
Strand 8
A
208 223anti-parallel
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There are 3 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
13 14first strand
Strand 2
B
18 20anti-parallel
Strand 3
B
27 28anti-parallel
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There are 8 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
35 36first strand
Strand 2
B
133 136parallel
Strand 3
B
111 116parallel
Strand 4
B
88 91parallel
Strand 5
B
149 155parallel
Strand 6
B
168 179parallel
Strand 7
B
254 267anti-parallel
Strand 8
B
208 222anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il