Analysis of interatomic Contacts of Structural Units in PDB entry:
1A4E


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 1A4E entry

There are 4 chains in PDB entry 1A4E (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 15GLU 502
B
 ASP 15GLU 502
C
 ASP 15GLU 502
D
 ASP 15GLU 502
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 72 helices in PDB entry 1A4E. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
50 61Right-handed alpha
Helix 2
2
A
93 95Right-handed 310
Helix 3
3
A
153 163Right-handed 310
Helix 4
4
A
174 182Right-handed alpha
Helix 5
5
A
184 197Right-handed 310
Helix 6
6
A
199 201Right-handed 310
Helix 7
7
A
206 208Right-handed 310
Helix 8
8
A
244 253Right-handed alpha
Helix 9
9
A
257 267Right-handed alpha
Helix 10
10
A
283 288Right-handed alpha
Helix 11
11
A
322 325Right-handed alpha
Helix 12
12
A
346 362Right-handed alpha
Helix 13
13
A
367 369Right-handed 310
Helix 14
14
A
371 373Right-handed 310
Helix 15
15
A
441 454Right-handed alpha
Helix 16
16
A
459 473Right-handed alpha
Helix 17
17
A
476 487Right-handed alpha
Helix 18
18
A
491 500Right-handed alpha
Helix 19
19
B
50 61Right-handed alpha
Helix 20
20
B
93 95Right-handed 310
Helix 21
21
B
153 163Right-handed 310
Helix 22
22
B
174 182Right-handed alpha
Helix 23
23
B
184 196Right-handed 310
Helix 24
24
B
199 201Right-handed 310
Helix 25
25
B
206 208Right-handed 310
Helix 26
26
B
244 253Right-handed alpha
Helix 27
27
B
257 267Right-handed alpha
Helix 28
28
B
283 288Right-handed alpha
Helix 29
29
B
322 325Right-handed alpha
Helix 30
30
B
346 362Right-handed alpha
Helix 31
31
B
367 369Right-handed 310
Helix 32
32
B
371 373Right-handed 310
Helix 33
33
B
444 455Right-handed alpha
Helix 34
34
B
459 473Right-handed alpha
Helix 35
35
B
476 487Right-handed alpha
Helix 36
36
B
491 500Right-handed alpha
Helix 37
37
C
50 61Right-handed alpha
Helix 38
38
C
93 95Right-handed 310
Helix 39
39
C
153 163Right-handed 310
Helix 40
40
C
174 182Right-handed alpha
Helix 41
41
C
184 196Right-handed 310
Helix 42
42
C
199 201Right-handed 310
Helix 43
43
C
206 208Right-handed 310
Helix 44
44
C
244 253Right-handed alpha
Helix 45
45
C
257 267Right-handed alpha
Helix 46
46
C
283 288Right-handed alpha
Helix 47
47
C
322 325Right-handed alpha
Helix 48
48
C
346 362Right-handed alpha
Helix 49
49
C
367 369Right-handed 310
Helix 50
50
C
371 373Right-handed 310
Helix 51
51
C
444 454Right-handed alpha
Helix 52
52
C
459 473Right-handed alpha
Helix 53
53
C
476 487Right-handed alpha
Helix 54
54
C
491 500Right-handed alpha
Helix 55
55
D
50 61Right-handed alpha
Helix 56
56
D
93 95Right-handed 310
Helix 57
57
D
153 163Right-handed 310
Helix 58
58
D
174 182Right-handed alpha
Helix 59
59
D
184 196Right-handed 310
Helix 60
60
D
199 201Right-handed 310
Helix 61
61
D
206 208Right-handed 310
Helix 62
62
D
244 253Right-handed alpha
Helix 63
63
D
257 267Right-handed alpha
Helix 64
64
D
283 287Right-handed alpha
Helix 65
65
D
322 325Right-handed alpha
Helix 66
66
D
346 362Right-handed alpha
Helix 67
67
D
367 369Right-handed 310
Helix 68
68
D
371 373Right-handed 310
Helix 69
69
D
444 455Right-handed alpha
Helix 70
70
D
459 473Right-handed alpha
Helix 71
71
D
476 487Right-handed alpha
Helix 72
72
D
491 500Right-handed alpha
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There are 4 sheets in PDB entry 1A4E. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 9 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
136 143first strand
Strand 2
A
126 133anti-parallel
Strand 3
A
101 109anti-parallel
Strand 4
A
73 82anti-parallel
Strand 5
A
308 317anti-parallel
Strand 6
A
272 281anti-parallel
Strand 7
A
226 235anti-parallel
Strand 8
A
217 220anti-parallel
Strand 9
A
340 342anti-parallel
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There are 9 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
136 143first strand
Strand 2
B
126 133anti-parallel
Strand 3
B
101 109anti-parallel
Strand 4
B
73 82anti-parallel
Strand 5
B
308 317anti-parallel
Strand 6
B
272 281anti-parallel
Strand 7
B
226 235anti-parallel
Strand 8
B
217 220anti-parallel
Strand 9
B
340 342anti-parallel
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There are 9 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
136 143first strand
Strand 2
C
126 133anti-parallel
Strand 3
C
101 109anti-parallel
Strand 4
C
73 82anti-parallel
Strand 5
C
308 317anti-parallel
Strand 6
C
273 281anti-parallel
Strand 7
C
226 235anti-parallel
Strand 8
C
217 220anti-parallel
Strand 9
C
340 342anti-parallel
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There are 9 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
136 143first strand
Strand 2
D
126 133anti-parallel
Strand 3
D
101 109anti-parallel
Strand 4
D
73 82anti-parallel
Strand 5
D
308 317anti-parallel
Strand 6
D
273 281anti-parallel
Strand 7
D
226 235anti-parallel
Strand 8
D
217 220anti-parallel
Strand 9
D
340 342anti-parallel
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