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


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 1SYO entry

There are 2 chains in PDB entry 1SYO (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 7VAL 432
B
 ALA 1007VAL 1432
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 23 helices in PDB entry 1SYO. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
9 13Right-handed 310
Helix 2
2
A
38 42Right-handed 310
Helix 3
3
A
120 123Right-handed 310
Helix 4
4
A
125 129Right-handed 310
Helix 5
5
A
149 152Right-handed 310
Helix 6
6
A
234 238Right-handed 310
Helix 7
7
A
265 267Right-handed 310
Helix 8
8
A
277 280Right-handed 310
Helix 9
9
A
281 285Right-handed alpha
Helix 10
10
A
293 298Right-handed alpha
Helix 11
11
A
304 308Right-handed 310
Helix 12
12
A
336 340Right-handed 310
Helix 13
13
A
428 431Right-handed 310
Helix 14
14
B
1009 1013Right-handed 310
Helix 15
15
B
1120 1123Right-handed 310
Helix 16
16
B
1149 1152Right-handed 310
Helix 17
17
B
1184 1189Right-handed alpha
Helix 18
18
B
1277 1280Right-handed 310
Helix 19
19
B
1281 1284Right-handed 310
Helix 20
20
B
1293 1298Right-handed alpha
Helix 21
21
B
1304 1308Right-handed 310
Helix 22
22
B
1336 1340Right-handed 310
Helix 23
23
B
1428 1431Right-handed 310
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There are 17 sheets in PDB entry 1SYO. 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, N, O, P, Q,

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
17 21first strand
Strand 2
A
26 30anti-parallel
Strand 3
A
45 51anti-parallel
Strand 4
A
56 62anti-parallel
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There are 5 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
66 68first strand
Strand 2
A
72 80anti-parallel
Strand 3
A
87 96anti-parallel
Strand 4
A
112 119parallel
Strand 5
A
103 108anti-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
137 139first strand
Strand 2
A
145 147anti-parallel
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There are 4 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
158 159first strand
Strand 2
A
167 171anti-parallel
Strand 3
A
196 200anti-parallel
Strand 4
A
205 206anti-parallel
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There are 3 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
209 210first strand
Strand 2
A
222 227anti-parallel
Strand 3
A
215 216anti-parallel
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There are 5 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
209 210first strand
Strand 2
A
222 227anti-parallel
Strand 3
A
243 249anti-parallel
Strand 4
A
269 275parallel
Strand 5
A
261 264anti-parallel
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There are 6 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
286 287first strand
Strand 2
A
362 371anti-parallel
Strand 3
A
374 380anti-parallel
Strand 4
A
392 399anti-parallel
Strand 5
A
420 427parallel
Strand 6
A
411 416anti-parallel
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There are 2 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
291 292first strand
Strand 2
A
301 302anti-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
317 320first strand
Strand 2
A
324 328anti-parallel
Strand 3
A
346 350anti-parallel
Strand 4
A
353 359anti-parallel
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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
1017 1021first strand
Strand 2
B
1026 1030anti-parallel
Strand 3
B
1045 1051anti-parallel
Strand 4
B
1056 1062anti-parallel
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There are 5 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
1066 1069first strand
Strand 2
B
1072 1076anti-parallel
Strand 3
B
1089 1096anti-parallel
Strand 4
B
1112 1119parallel
Strand 5
B
1103 1108anti-parallel
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There are 2 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
1137 1139first strand
Strand 2
B
1145 1147anti-parallel
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There are 6 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
1158 1160first strand
Strand 2
B
1167 1171anti-parallel
Strand 3
B
1196 1200anti-parallel
Strand 4
B
1203 1210anti-parallel
Strand 5
B
1221 1227anti-parallel
Strand 6
B
1215 1218anti-parallel
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There are 8 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
1158 1160first strand
Strand 2
B
1167 1171anti-parallel
Strand 3
B
1196 1200anti-parallel
Strand 4
B
1203 1210anti-parallel
Strand 5
B
1221 1227anti-parallel
Strand 6
B
1243 1249anti-parallel
Strand 7
B
1269 1275parallel
Strand 8
B
1261 1265anti-parallel
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There are 6 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
1286 1287first strand
Strand 2
B
1366 1371anti-parallel
Strand 3
B
1374 1379anti-parallel
Strand 4
B
1392 1399anti-parallel
Strand 5
B
1420 1427parallel
Strand 6
B
1412 1417anti-parallel
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There are 2 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
1291 1292first strand
Strand 2
B
1301 1302anti-parallel
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There are 4 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
1317 1320first strand
Strand 2
B
1324 1328anti-parallel
Strand 3
B
1346 1350anti-parallel
Strand 4
B
1357 1359anti-parallel
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