Analysis of interatomic Contacts of Structural Units in PDB entry:
4N91


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 4N91 entry

There is 1 chain in PDB entry 4N91 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 30ALA 337
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 4N91. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
43 61Right-handed alpha
Helix 2
2
A
76 86Right-handed alpha
Helix 3
3
A
96 100Right-handed alpha
Helix 4
4
A
101 102Right-handed 310
Helix 5
5
A
103 111Right-handed 310
Helix 6
6
A
117 126Right-handed alpha
Helix 7
7
A
127 136Right-handed alpha
Helix 8
8
A
138 141Right-handed 310
Helix 9
9
A
165 170Right-handed 310
Helix 10
10
A
179 189Right-handed alpha
Helix 11
11
A
197 199Right-handed 310
Helix 12
12
A
200 207Right-handed alpha
Helix 13
13
A
217 222Right-handed alpha
Helix 14
14
A
224 228Right-handed 310
Helix 15
15
A
248 254Right-handed alpha
Helix 16
16
A
255 291Right-handed alpha
Helix 17
17
A
300 318Right-handed alpha
Helix 18
18
A
321 335Right-handed alpha
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There are 3 sheets in PDB entry 4N91. Click on sheet of interest to get list of strands forming it: A, B, C,

There are 5 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
64 69first strand
Strand 2
A
31 36parallel
Strand 3
A
91 95parallel
Strand 4
A
242 247anti-parallel
Strand 5
A
143 149anti-parallel
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There are 4 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
212 215first strand
Strand 2
A
154 158anti-parallel
Strand 3
A
231 238anti-parallel
Strand 4
A
294 296parallel
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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
173 176first strand
Strand 2
A
192 195parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il