Analysis of interatomic Contacts of Structural Units in PDB entry:
1I1K


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 1I1K entry

There are 3 chains in PDB entry 1I1K (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 4GLN 308
B
 LYS 504GLN 808
C
 LYS 1004GLN 1308
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 30 helices in PDB entry 1I1K. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
16 20Right-handed 310
Helix 2
2
A
26 32Right-handed alpha
Helix 3
3
A
52 68Right-handed alpha
Helix 4
4
A
74 89Right-handed alpha
Helix 5
5
A
163 177Right-handed alpha
Helix 6
6
A
211 215Right-handed 310
Helix 7
7
A
219 232Right-handed alpha
Helix 8
8
A
244 249Right-handed alpha
Helix 9
9
A
273 276Right-handed 310
Helix 10
10
A
278 290Right-handed alpha
Helix 11
11
B
516 520Right-handed 310
Helix 12
12
B
526 532Right-handed alpha
Helix 13
13
B
552 568Right-handed alpha
Helix 14
14
B
574 589Right-handed alpha
Helix 15
15
B
663 677Right-handed alpha
Helix 16
16
B
711 715Right-handed 310
Helix 17
17
B
719 732Right-handed alpha
Helix 18
18
B
744 749Right-handed alpha
Helix 19
19
B
773 776Right-handed 310
Helix 20
20
B
778 790Right-handed alpha
Helix 21
21
C
1016 1020Right-handed 310
Helix 22
22
C
1026 1032Right-handed alpha
Helix 23
23
C
1052 1068Right-handed alpha
Helix 24
24
C
1074 1089Right-handed alpha
Helix 25
25
C
1163 1177Right-handed alpha
Helix 26
26
C
1211 1215Right-handed 310
Helix 27
27
C
1219 1232Right-handed alpha
Helix 28
28
C
1244 1249Right-handed alpha
Helix 29
29
C
1273 1276Right-handed 310
Helix 30
30
C
1278 1290Right-handed alpha
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There are 12 sheets in PDB entry 1I1K. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

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
13 15first strand
Strand 2
A
8 10anti-parallel
Strand 3
A
118 125anti-parallel
Strand 4
A
94 101anti-parallel
Strand 5
A
34 36anti-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
13 15first strand
Strand 2
A
8 10anti-parallel
Strand 3
A
118 125anti-parallel
Strand 4
A
94 101anti-parallel
Strand 5
A
39 44anti-parallel
Strand 6
A
47 51anti-parallel
Strand 7
A
303 305anti-parallel
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There are 8 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
236 238first strand
Strand 2
A
207 209parallel
Strand 3
A
198 202anti-parallel
Strand 4
A
251 256anti-parallel
Strand 5
A
260 267anti-parallel
Strand 6
A
139 143parallel
Strand 7
A
181 185parallel
Strand 8
A
191 194anti-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
A
236 238first strand
Strand 2
A
207 209parallel
Strand 3
A
198 202anti-parallel
Strand 4
A
251 256anti-parallel
Strand 5
A
260 267anti-parallel
Strand 6
A
270 271anti-parallel
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There are 5 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
513 515first strand
Strand 2
B
508 510anti-parallel
Strand 3
B
618 625anti-parallel
Strand 4
B
594 601anti-parallel
Strand 5
B
534 536anti-parallel
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There are 7 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
513 515first strand
Strand 2
B
508 510anti-parallel
Strand 3
B
618 625anti-parallel
Strand 4
B
594 601anti-parallel
Strand 5
B
539 544anti-parallel
Strand 6
B
547 551anti-parallel
Strand 7
B
803 805anti-parallel
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There are 8 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
736 738first strand
Strand 2
B
707 709parallel
Strand 3
B
698 702anti-parallel
Strand 4
B
751 756anti-parallel
Strand 5
B
760 767anti-parallel
Strand 6
B
639 643parallel
Strand 7
B
681 685parallel
Strand 8
B
691 694anti-parallel
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There are 6 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
736 738first strand
Strand 2
B
707 709parallel
Strand 3
B
698 702anti-parallel
Strand 4
B
751 756anti-parallel
Strand 5
B
760 767anti-parallel
Strand 6
B
770 771anti-parallel
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There are 5 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
1013 1015first strand
Strand 2
C
1008 1010anti-parallel
Strand 3
C
1118 1125anti-parallel
Strand 4
C
1094 1101anti-parallel
Strand 5
C
1034 1036anti-parallel
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There are 7 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
1013 1015first strand
Strand 2
C
1008 1010anti-parallel
Strand 3
C
1118 1125anti-parallel
Strand 4
C
1094 1101anti-parallel
Strand 5
C
1039 1044anti-parallel
Strand 6
C
1047 1051anti-parallel
Strand 7
C
1303 1305anti-parallel
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There are 8 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
1236 1238first strand
Strand 2
C
1207 1209parallel
Strand 3
C
1198 1202anti-parallel
Strand 4
C
1251 1256anti-parallel
Strand 5
C
1260 1267anti-parallel
Strand 6
C
1139 1143parallel
Strand 7
C
1181 1185parallel
Strand 8
C
1191 1194anti-parallel
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There are 6 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
1236 1238first strand
Strand 2
C
1207 1209parallel
Strand 3
C
1198 1202anti-parallel
Strand 4
C
1251 1256anti-parallel
Strand 5
C
1260 1267anti-parallel
Strand 6
C
1270 1271anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il