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


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 4ASK entry

There are 2 chains in PDB entry 4ASK (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 1177PRO 1638
B
 LYS 1180PRO 1638
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 39 helices in PDB entry 4ASK. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
1177 1182Right-handed alpha
Helix 2
2
A
1192 1197Right-handed alpha
Helix 3
3
A
1198 1207Right-handed alpha
Helix 4
4
A
1217 1222Right-handed alpha
Helix 5
5
A
1225 1229Right-handed 310
Helix 6
6
A
1230 1239Right-handed alpha
Helix 7
7
A
1277 1292Right-handed alpha
Helix 8
8
A
1340 1347Right-handed alpha
Helix 9
9
A
1348 1350Right-handed 310
Helix 10
10
A
1351 1355Right-handed 310
Helix 11
11
A
1362 1366Right-handed 310
Helix 12
12
A
1392 1396Right-handed 310
Helix 13
13
A
1414 1416Right-handed 310
Helix 14
14
A
1417 1428Right-handed alpha
Helix 15
15
A
1440 1447Right-handed alpha
Helix 16
16
A
1489 1506Right-handed alpha
Helix 17
17
A
1513 1525Right-handed alpha
Helix 18
18
A
1529 1558Right-handed alpha
Helix 19
19
A
1602 1609Right-handed alpha
Helix 20
20
A
1623 1634Right-handed alpha
Helix 21
21
B
1192 1197Right-handed alpha
Helix 22
22
B
1198 1207Right-handed alpha
Helix 23
23
B
1217 1222Right-handed alpha
Helix 24
24
B
1225 1229Right-handed 310
Helix 25
25
B
1230 1239Right-handed alpha
Helix 26
26
B
1277 1291Right-handed alpha
Helix 27
27
B
1340 1347Right-handed alpha
Helix 28
28
B
1348 1350Right-handed 310
Helix 29
29
B
1351 1355Right-handed 310
Helix 30
30
B
1362 1366Right-handed 310
Helix 31
31
B
1392 1396Right-handed 310
Helix 32
32
B
1414 1416Right-handed 310
Helix 33
33
B
1417 1428Right-handed alpha
Helix 34
34
B
1440 1447Right-handed alpha
Helix 35
35
B
1489 1506Right-handed alpha
Helix 36
36
B
1513 1525Right-handed alpha
Helix 37
37
B
1529 1558Right-handed alpha
Helix 38
38
B
1602 1609Right-handed alpha
Helix 39
39
B
1623 1634Right-handed alpha
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There are 8 sheets in PDB entry 4ASK. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, BA, BB, BC, BD,

There are 9 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
1187 1189first strand
Strand 2
A
1212 1216parallel
Strand 3
A
1461 1464anti-parallel
Strand 4
A
1397 1405anti-parallel
Strand 5
A
1478 1485anti-parallel
Strand 6
A
1377 1381anti-parallel
Strand 7
A
1325 1333anti-parallel
Strand 8
A
1242 1249anti-parallel
Strand 9
A
1271 1276anti-parallel
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There are 4 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
1386 1390first strand
Strand 2
A
1469 1474anti-parallel
Strand 3
A
1408 1413anti-parallel
Strand 4
A
1452 1456anti-parallel
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There are 4 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
1561 1563first strand
Strand 2
A
1617 1620parallel
Strand 3
A
1585 1590anti-parallel
Strand 4
A
1598 1601anti-parallel
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There are 2 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
1573 1574first strand
Strand 2
A
1581 1582anti-parallel
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There are 9 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
1187 1189first strand
Strand 2
B
1212 1216parallel
Strand 3
B
1461 1464anti-parallel
Strand 4
B
1397 1402anti-parallel
Strand 5
B
1478 1485anti-parallel
Strand 6
B
1377 1381anti-parallel
Strand 7
B
1325 1333anti-parallel
Strand 8
B
1242 1249anti-parallel
Strand 9
B
1271 1276anti-parallel
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There are 4 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
1386 1390first strand
Strand 2
B
1469 1474anti-parallel
Strand 3
B
1408 1413anti-parallel
Strand 4
B
1452 1456anti-parallel
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There are 4 strands in BC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
1561 1563first strand
Strand 2
B
1617 1620parallel
Strand 3
B
1585 1589anti-parallel
Strand 4
B
1599 1601anti-parallel
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There are 2 strands in BD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
1573 1574first strand
Strand 2
B
1581 1582anti-parallel
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