Analysis of interatomic Contacts of Structural Units in PDB entry:
1NT4


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 1NT4 entry

There are 2 chains in PDB entry 1NT4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLN 1LYS 391
B
 GLN 1001LYS 1391
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 29 helices in PDB entry 1NT4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
24 26Right-handed 310
Helix 2
2
A
27 34Right-handed alpha
Helix 3
3
A
50 71Right-handed alpha
Helix 4
4
A
92 107Right-handed alpha
Helix 5
5
A
136 153Right-handed alpha
Helix 6
6
A
155 167Right-handed alpha
Helix 7
7
A
168 171Right-handed 310
Helix 8
8
A
201 219Right-handed alpha
Helix 9
9
A
225 230Right-handed 310
Helix 10
10
A
235 253Right-handed alpha
Helix 11
11
A
254 262Right-handed alpha
Helix 12
12
A
262 273Right-handed alpha
Helix 13
13
A
289 300Right-handed alpha
Helix 14
14
A
343 350Right-handed alpha
Helix 15
15
A
379 390Right-handed alpha
Helix 16
16
B
1024 1026Right-handed 310
Helix 17
17
B
1027 1034Right-handed alpha
Helix 18
18
B
1050 1071Right-handed alpha
Helix 19
19
B
1092 1107Right-handed alpha
Helix 20
20
B
1136 1151Right-handed alpha
Helix 21
21
B
1157 1167Right-handed alpha
Helix 22
22
B
1201 1220Right-handed alpha
Helix 23
23
B
1222 1230Right-handed 310
Helix 24
24
B
1236 1253Right-handed alpha
Helix 25
25
B
1254 1262Right-handed alpha
Helix 26
26
B
1262 1274Right-handed alpha
Helix 27
27
B
1289 1300Right-handed alpha
Helix 28
28
B
1343 1349Right-handed alpha
Helix 29
29
B
1379 1390Right-handed alpha
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There are 6 sheets in PDB entry 1NT4. 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
114 115first strand
Strand 2
A
85 89parallel
Strand 3
A
283 287parallel
Strand 4
A
7 16parallel
Strand 5
A
319 327anti-parallel
Strand 6
A
332 341anti-parallel
Strand 7
A
360 363anti-parallel
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There are 7 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
114 115first strand
Strand 2
A
85 89parallel
Strand 3
A
283 287parallel
Strand 4
A
7 16parallel
Strand 5
A
319 327anti-parallel
Strand 6
A
332 341anti-parallel
Strand 7
A
377 378anti-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
188 190first strand
Strand 2
A
198 200anti-parallel
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There are 6 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
1085 1087first strand
Strand 2
B
1283 1288parallel
Strand 3
B
1009 1017parallel
Strand 4
B
1319 1327anti-parallel
Strand 5
B
1332 1341anti-parallel
Strand 6
B
1360 1363anti-parallel
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There are 6 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
1085 1087first strand
Strand 2
B
1283 1288parallel
Strand 3
B
1009 1017parallel
Strand 4
B
1319 1327anti-parallel
Strand 5
B
1332 1341anti-parallel
Strand 6
B
1377 1378anti-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
1188 1189first strand
Strand 2
B
1199 1200anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il