Analysis of interatomic Contacts of Structural Units in PDB entry:
4NU1


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 4NU1 entry


Note, this PDB entry contains modified residue(s) PHOSPHOSERINE (SEP) . This residue is treated as heterogroup (ligand) both in the PDB entry and in LPC/CSU analysis.

There are 3 chains in PDB entry 4NU1 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 6THR 8
A
 PHE 10ARG 383
B
 VAL 383ARG 401
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 19 helices in PDB entry 4NU1. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
96 102Right-handed alpha
Helix 2
2
A
139 149Right-handed alpha
Helix 3
3
A
154 174Right-handed alpha
Helix 4
4
A
183 185Right-handed 310
Helix 5
5
A
224 229Right-handed alpha
Helix 6
6
A
236 253Right-handed alpha
Helix 7
7
A
261 274Right-handed alpha
Helix 8
8
A
277 285Right-handed alpha
Helix 9
9
A
286 289Right-handed 310
Helix 10
10
A
300 305Right-handed alpha
Helix 11
11
A
310 321Right-handed alpha
Helix 12
12
A
324 328Right-handed 310
Helix 13
13
A
330 336Right-handed alpha
Helix 14
14
A
337 339Right-handed 310
Helix 15
15
A
340 345Right-handed alpha
Helix 16
16
A
370 372Right-handed 310
Helix 17
17
A
373 378Right-handed alpha
Helix 18
18
A
379 383Right-handed 310
Helix 19
19
B
384 401Right-handed alpha
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There are 3 sheets in PDB entry 4NU1. Click on sheet of interest to get list of strands forming it: A, B, C,

There are 8 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
27 28first strand
Strand 2
A
38 44anti-parallel
Strand 3
A
112 118anti-parallel
Strand 4
A
127 133anti-parallel
Strand 5
A
81 88anti-parallel
Strand 6
A
68 75anti-parallel
Strand 7
A
52 63anti-parallel
Strand 8
A
38 44anti-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
137 138first strand
Strand 2
A
187 190anti-parallel
Strand 3
A
195 198anti-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
177 178first strand
Strand 2
A
205 206anti-parallel
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