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


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 4NKQ entry

There are 3 chains in PDB entry 4NKQ (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 25THR 436
C
 GLU 14PRO 118
B
 UNK 23PHE 296
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 13 helices in PDB entry 4NKQ. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
27 33Right-handed alpha
Helix 2
2
A
51 55Right-handed alpha
Helix 3
3
A
126 130Right-handed 310
Helix 4
4
A
267 271Right-handed 310
Helix 5
5
A
333 337Right-handed 310
Helix 6
6
A
382 386Right-handed 310
Helix 7
7
C
15 29Right-handed alpha
Helix 8
8
C
32 38Right-handed alpha
Helix 9
9
C
55 64Right-handed alpha
Helix 10
10
C
67 72Right-handed 310
Helix 11
11
C
73 84Right-handed alpha
Helix 12
12
C
103 117Right-handed alpha
Helix 13
13
B
228 230Right-handed 310
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There are 13 sheets in PDB entry 4NKQ. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M,

There are 4 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
34 37first strand
Strand 2
A
43 46anti-parallel
Strand 3
A
91 98anti-parallel
Strand 4
A
48 50anti-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
34 37first strand
Strand 2
A
43 46anti-parallel
Strand 3
A
91 98anti-parallel
Strand 4
A
75 77anti-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
A
70 72first strand
Strand 2
A
59 64anti-parallel
Strand 3
A
110 115anti-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
A
137 144first strand
Strand 2
A
147 153anti-parallel
Strand 3
A
194 197anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
186 190first strand
Strand 2
A
169 177anti-parallel
Strand 3
A
207 216anti-parallel
Strand 4
A
233 236anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
246 252first strand
Strand 2
A
257 265anti-parallel
Strand 3
A
301 309anti-parallel
Strand 4
A
292 297anti-parallel
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There are 3 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
287 288first strand
Strand 2
A
274 279anti-parallel
Strand 3
A
320 325anti-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
A
344 350first strand
Strand 2
A
353 359anti-parallel
Strand 3
A
396 398anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
388 392first strand
Strand 2
A
370 377anti-parallel
Strand 3
A
408 416anti-parallel
Strand 4
A
432 434anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
39 41first strand
Strand 2
C
100 102anti-parallel
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There are 2 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
108 110first strand
Strand 2
B
114 116anti-parallel
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There are 3 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
203 207first strand
Strand 2
B
214 219anti-parallel
Strand 3
B
261 264anti-parallel
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There are 3 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
252 255first strand
Strand 2
B
232 237anti-parallel
Strand 3
B
276 281anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il