Analysis of interatomic Contacts of Structural Units in PDB entry:
1AA1


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 1AA1 entry

There are 12 chains in PDB entry 1AA1 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
L
 LYS 21THR 200
L
 ASP 202LYS 463
S
 MET 1TYR 123
B
 LYS 21THR 200
B
 ASP 202LYS 463
C
 MET 1TYR 123
E
 LYS 21THR 200
E
 ASP 202LYS 463
F
 MET 1TYR 123
H
 LYS 21THR 200
H
 ASP 202LYS 463
I
 MET 1TYR 123
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 96 helices in PDB entry 1AA1. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
L
50 60Right-handed alpha
Helix 2
2
L
70 74Right-handed 310
Helix 3
3
L
77 79Right-handed 310
Helix 4
4
L
105 107Right-handed 310
Helix 5
5
L
113 121Right-handed alpha
Helix 6
6
L
124 126Right-handed 310
Helix 7
7
L
142 147Right-handed alpha
Helix 8
8
L
155 162Right-handed alpha
Helix 9
9
L
182 195Right-handed alpha
Helix 10
10
L
214 232Right-handed alpha
Helix 11
11
L
247 260Right-handed alpha
Helix 12
12
L
269 272Right-handed alpha
Helix 13
13
L
274 287Right-handed alpha
Helix 14
14
L
298 302Right-handed alpha
Helix 15
15
L
311 321Right-handed alpha
Helix 16
16
L
339 350Right-handed alpha
Helix 17
17
L
358 360Right-handed 310
Helix 18
18
L
384 394Right-handed 310
Helix 19
19
L
404 407Right-handed alpha
Helix 20
20
L
413 432Right-handed alpha
Helix 21
21
L
437 450Right-handed alpha
Helix 22
22
L
453 462Right-handed alpha
Helix 23
23
S
23 36Right-handed alpha
Helix 24
24
S
80 93Right-handed alpha
Helix 25
25
B
50 60Right-handed alpha
Helix 26
26
B
70 74Right-handed 310
Helix 27
27
B
77 79Right-handed 310
Helix 28
28
B
105 107Right-handed 310
Helix 29
29
B
113 121Right-handed alpha
Helix 30
30
B
124 126Right-handed 310
Helix 31
31
B
142 147Right-handed alpha
Helix 32
32
B
155 162Right-handed alpha
Helix 33
33
B
182 195Right-handed alpha
Helix 34
34
B
214 232Right-handed alpha
Helix 35
35
B
247 260Right-handed alpha
Helix 36
36
B
269 272Right-handed alpha
Helix 37
37
B
274 287Right-handed alpha
Helix 38
38
B
298 302Right-handed alpha
Helix 39
39
B
311 321Right-handed alpha
Helix 40
40
B
339 350Right-handed alpha
Helix 41
41
B
358 360Right-handed 310
Helix 42
42
B
384 394Right-handed 310
Helix 43
43
B
404 407Right-handed alpha
Helix 44
44
B
413 432Right-handed alpha
Helix 45
45
B
437 450Right-handed alpha
Helix 46
46
B
453 462Right-handed alpha
Helix 47
47
C
23 36Right-handed alpha
Helix 48
48
C
80 93Right-handed alpha
Helix 49
49
E
50 60Right-handed alpha
Helix 50
50
E
70 74Right-handed 310
Helix 51
51
E
77 79Right-handed 310
Helix 52
52
E
105 107Right-handed 310
Helix 53
53
E
113 121Right-handed alpha
Helix 54
54
E
124 126Right-handed 310
Helix 55
55
E
142 147Right-handed alpha
Helix 56
56
E
155 162Right-handed alpha
Helix 57
57
E
182 195Right-handed alpha
Helix 58
58
E
214 232Right-handed alpha
Helix 59
59
E
247 260Right-handed alpha
Helix 60
60
E
269 272Right-handed alpha
Helix 61
61
E
274 287Right-handed alpha
Helix 62
62
E
298 302Right-handed alpha
Helix 63
63
E
311 321Right-handed alpha
Helix 64
64
E
339 350Right-handed alpha
Helix 65
65
E
358 360Right-handed 310
Helix 66
66
E
384 394Right-handed 310
Helix 67
67
E
404 407Right-handed alpha
Helix 68
68
E
413 432Right-handed alpha
Helix 69
69
E
437 450Right-handed alpha
Helix 70
70
E
453 462Right-handed alpha
Helix 71
71
F
23 36Right-handed alpha
Helix 72
72
F
80 93Right-handed alpha
Helix 73
73
H
50 60Right-handed alpha
Helix 74
74
H
70 74Right-handed 310
Helix 75
75
H
77 79Right-handed 310
Helix 76
76
H
105 107Right-handed 310
Helix 77
77
H
113 121Right-handed alpha
Helix 78
78
H
124 126Right-handed 310
Helix 79
79
H
142 147Right-handed alpha
Helix 80
80
H
155 162Right-handed alpha
Helix 81
81
H
182 195Right-handed alpha
Helix 82
82
H
214 232Right-handed alpha
Helix 83
83
H
247 260Right-handed alpha
Helix 84
84
H
269 272Right-handed alpha
Helix 85
85
H
274 287Right-handed alpha
Helix 86
86
H
298 302Right-handed alpha
Helix 87
87
H
311 321Right-handed alpha
Helix 88
88
H
339 350Right-handed alpha
Helix 89
89
H
358 360Right-handed 310
Helix 90
90
H
384 394Right-handed 310
Helix 91
91
H
404 407Right-handed alpha
Helix 92
92
H
413 432Right-handed alpha
Helix 93
93
H
437 450Right-handed alpha
Helix 94
94
H
453 462Right-handed alpha
Helix 95
95
I
23 36Right-handed alpha
Helix 96
96
I
80 93Right-handed alpha
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There are 16 sheets in PDB entry 1AA1. Click on sheet of interest to get list of strands forming it: LA, LB, LC, SD, BA, BB, BC, CD, EA, EB, EC, FD, HA, HB, HC, ID,

There are 4 strands in LA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
132 139first strand
Strand 2
L
36 43anti-parallel
Strand 3
L
97 103anti-parallel
Strand 4
L
83 89anti-parallel
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There are 6 strands in LB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
237 239first strand
Strand 2
L
199 201parallel
Strand 3
L
169 173parallel
Strand 4
L
398 401parallel
Strand 5
L
375 379parallel
Strand 6
L
325 327parallel
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There are 2 strands in LC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
264 268first strand
Strand 2
L
290 294parallel
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There are 4 strands in SD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
S
68 70first strand
Strand 2
S
39 45anti-parallel
Strand 3
S
98 104anti-parallel
Strand 4
S
113 118anti-parallel
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There are 4 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
132 139first strand
Strand 2
B
36 43anti-parallel
Strand 3
B
97 103anti-parallel
Strand 4
B
83 89anti-parallel
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There are 6 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
237 239first strand
Strand 2
B
199 201parallel
Strand 3
B
169 173parallel
Strand 4
B
398 401parallel
Strand 5
B
375 379parallel
Strand 6
B
325 327parallel
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There are 2 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
264 268first strand
Strand 2
B
290 294parallel
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There are 4 strands in CD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
68 70first strand
Strand 2
C
39 45anti-parallel
Strand 3
C
98 104anti-parallel
Strand 4
C
113 118anti-parallel
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There are 4 strands in EA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
132 139first strand
Strand 2
E
36 43anti-parallel
Strand 3
E
97 103anti-parallel
Strand 4
E
83 89anti-parallel
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There are 6 strands in EB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
237 239first strand
Strand 2
E
199 201parallel
Strand 3
E
169 173parallel
Strand 4
E
398 401parallel
Strand 5
E
375 379parallel
Strand 6
E
325 327parallel
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There are 2 strands in EC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
264 268first strand
Strand 2
E
290 294parallel
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There are 4 strands in FD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
68 70first strand
Strand 2
F
39 45anti-parallel
Strand 3
F
98 104anti-parallel
Strand 4
F
113 118anti-parallel
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There are 4 strands in HA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
132 139first strand
Strand 2
H
36 43anti-parallel
Strand 3
H
97 103anti-parallel
Strand 4
H
83 89anti-parallel
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There are 6 strands in HB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
237 239first strand
Strand 2
H
199 201parallel
Strand 3
H
169 173parallel
Strand 4
H
398 401parallel
Strand 5
H
375 379parallel
Strand 6
H
325 327parallel
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There are 2 strands in HC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
264 268first strand
Strand 2
H
290 294parallel
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There are 4 strands in ID sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
68 70first strand
Strand 2
I
39 45anti-parallel
Strand 3
I
98 104anti-parallel
Strand 4
I
113 118anti-parallel
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