Analysis of interatomic Contacts of Structural Units in PDB entry:
1A4M


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 1A4M entry

There are 4 chains in PDB entry 1A4M (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 4GLN 352
B
 THR 504GLN 852
C
 THR 1004GLN 1352
D
 THR 1504GLN 1852
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 76 helices in PDB entry 1A4M. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
18 20Right-handed 310
Helix 2
2
A
24 34Right-handed alpha
Helix 3
3
A
43 50Right-handed alpha
Helix 4
4
A
58 72Right-handed alpha
Helix 5
5
A
76 93Right-handed alpha
Helix 6
6
A
105 107Right-handed 310
Helix 7
7
A
116 118Right-handed 310
Helix 8
8
A
126 144Right-handed alpha
Helix 9
9
A
159 171Right-handed 310
Helix 10
10
A
191 193Right-handed 310
Helix 11
11
A
195 207Right-handed alpha
Helix 12
12
A
221 229Right-handed alpha
Helix 13
13
A
240 244Right-handed 310
Helix 14
14
A
246 254Right-handed alpha
Helix 15
15
A
263 268Right-handed alpha
Helix 16
16
A
279 285Right-handed alpha
Helix 17
17
A
304 313Right-handed alpha
Helix 18
18
A
319 331Right-handed alpha
Helix 19
19
A
337 350Right-handed alpha
Helix 20
20
B
518 520Right-handed 310
Helix 21
21
B
524 534Right-handed alpha
Helix 22
22
B
543 550Right-handed alpha
Helix 23
23
B
558 572Right-handed alpha
Helix 24
24
B
576 593Right-handed alpha
Helix 25
25
B
605 607Right-handed 310
Helix 26
26
B
616 618Right-handed 310
Helix 27
27
B
626 644Right-handed alpha
Helix 28
28
B
659 671Right-handed 310
Helix 29
29
B
691 693Right-handed 310
Helix 30
30
B
695 706Right-handed alpha
Helix 31
31
B
721 729Right-handed alpha
Helix 32
32
B
740 744Right-handed 310
Helix 33
33
B
746 754Right-handed alpha
Helix 34
34
B
763 768Right-handed alpha
Helix 35
35
B
779 785Right-handed alpha
Helix 36
36
B
804 813Right-handed alpha
Helix 37
37
B
819 832Right-handed alpha
Helix 38
38
B
837 850Right-handed alpha
Helix 39
39
C
1018 1020Right-handed 310
Helix 40
40
C
1024 1034Right-handed alpha
Helix 41
41
C
1043 1050Right-handed alpha
Helix 42
42
C
1058 1072Right-handed alpha
Helix 43
43
C
1076 1093Right-handed alpha
Helix 44
44
C
1105 1107Right-handed 310
Helix 45
45
C
1116 1118Right-handed 310
Helix 46
46
C
1126 1144Right-handed alpha
Helix 47
47
C
1159 1171Right-handed alpha
Helix 48
48
C
1191 1193Right-handed 310
Helix 49
49
C
1195 1207Right-handed alpha
Helix 50
50
C
1221 1229Right-handed alpha
Helix 51
51
C
1240 1244Right-handed 310
Helix 52
52
C
1246 1254Right-handed alpha
Helix 53
53
C
1263 1268Right-handed alpha
Helix 54
54
C
1279 1285Right-handed alpha
Helix 55
55
C
1304 1313Right-handed alpha
Helix 56
56
C
1319 1331Right-handed alpha
Helix 57
57
C
1337 1350Right-handed alpha
Helix 58
58
D
1518 1520Right-handed 310
Helix 59
59
D
1524 1534Right-handed alpha
Helix 60
60
D
1543 1550Right-handed alpha
Helix 61
61
D
1558 1572Right-handed alpha
Helix 62
62
D
1576 1592Right-handed alpha
Helix 63
63
D
1604 1607Right-handed 310
Helix 64
64
D
1616 1618Right-handed 310
Helix 65
65
D
1626 1644Right-handed alpha
Helix 66
66
D
1659 1671Right-handed alpha
Helix 67
67
D
1691 1693Right-handed 310
Helix 68
68
D
1695 1707Right-handed alpha
Helix 69
69
D
1721 1729Right-handed alpha
Helix 70
70
D
1740 1744Right-handed 310
Helix 71
71
D
1746 1754Right-handed alpha
Helix 72
72
D
1763 1768Right-handed alpha
Helix 73
73
D
1779 1785Right-handed alpha
Helix 74
74
D
1804 1813Right-handed alpha
Helix 75
75
D
1819 1831Right-handed alpha
Helix 76
76
D
1837 1850Right-handed alpha
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There are 8 sheets in PDB entry 1A4M. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

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
11 13first strand
Strand 2
A
95 102parallel
Strand 3
A
147 155parallel
Strand 4
A
177 183parallel
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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
212 215first strand
Strand 2
A
235 238parallel
Strand 3
A
258 261parallel
Strand 4
A
290 292parallel
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There are 4 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
511 513first strand
Strand 2
B
595 602parallel
Strand 3
B
647 655parallel
Strand 4
B
677 683parallel
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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
B
712 715first strand
Strand 2
B
735 738parallel
Strand 3
B
758 761parallel
Strand 4
B
789 792parallel
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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
C
1011 1013first strand
Strand 2
C
1095 1102parallel
Strand 3
C
1147 1155parallel
Strand 4
C
1177 1183parallel
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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
C
1212 1215first strand
Strand 2
C
1235 1238parallel
Strand 3
C
1258 1261parallel
Strand 4
C
1289 1292parallel
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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
1511 1513first strand
Strand 2
D
1595 1602parallel
Strand 3
D
1647 1655parallel
Strand 4
D
1677 1683parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
1712 1715first strand
Strand 2
D
1735 1738parallel
Strand 3
D
1758 1761parallel
Strand 4
D
1789 1792parallel
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