Analysis of interatomic Contacts of Structural Units in PDB entry:
4A2Q


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 4A2Q entry

There are 2 chains in PDB entry 4A2Q (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1LEU 791
B
 MET 1LEU 644
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 are144 helices in PDB entry 4A2Q. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
2 12Right-handed alpha
Helix 2
2
A
12 18Right-handed alpha
Helix 3
3
A
22 27Right-handed alpha
Helix 4
4
A
28 30Right-handed 310
Helix 5
5
A
34 48Right-handed alpha
Helix 6
6
A
48 62Right-handed alpha
Helix 7
7
A
67 80Right-handed alpha
Helix 8
8
A
81 90Right-handed alpha
Helix 9
9
A
93 110Right-handed alpha
Helix 10
10
A
111 114Right-handed 310
Helix 11
11
A
117 126Right-handed alpha
Helix 12
12
A
130 144Right-handed alpha
Helix 13
13
A
145 159Right-handed alpha
Helix 14
14
A
164 176Right-handed alpha
Helix 15
15
A
178 186Right-handed alpha
Helix 16
16
A
247 259Right-handed alpha
Helix 17
17
A
272 287Right-handed alpha
Helix 18
18
A
302 318Right-handed alpha
Helix 19
19
A
319 321Right-handed 310
Helix 20
20
A
336 343Right-handed alpha
Helix 21
21
A
350 360Right-handed alpha
Helix 22
22
A
365 369Right-handed 310
Helix 23
23
A
376 380Right-handed 310
Helix 24
24
A
384 399Right-handed alpha
Helix 25
25
A
421 437Right-handed alpha
Helix 26
26
A
447 455Right-handed alpha
Helix 27
27
A
471 491Right-handed alpha
Helix 28
28
A
507 524Right-handed alpha
Helix 29
29
A
528 559Right-handed alpha
Helix 30
30
A
560 578Right-handed alpha
Helix 31
31
A
581 593Right-handed alpha
Helix 32
32
A
594 604Right-handed alpha
Helix 33
33
A
609 626Right-handed alpha
Helix 34
34
A
637 650Right-handed alpha
Helix 35
35
A
721 727Right-handed alpha
Helix 36
36
A
745 771Right-handed alpha
Helix 37
37
A
773 790Right-handed alpha
Helix 38
38
B
2 12Right-handed alpha
Helix 39
39
B
12 18Right-handed alpha
Helix 40
40
B
21 26Right-handed 310
Helix 41
41
B
26 30Right-handed 310
Helix 42
42
B
34 48Right-handed alpha
Helix 43
43
B
48 61Right-handed alpha
Helix 44
44
B
67 80Right-handed alpha
Helix 45
45
B
81 90Right-handed alpha
Helix 46
46
B
93 114Right-handed alpha
Helix 47
47
B
117 126Right-handed alpha
Helix 48
48
B
130 144Right-handed alpha
Helix 49
49
B
145 159Right-handed alpha
Helix 50
50
B
164 176Right-handed alpha
Helix 51
51
B
178 186Right-handed alpha
Helix 52
52
B
247 259Right-handed alpha
Helix 53
53
B
272 287Right-handed alpha
Helix 54
54
B
302 318Right-handed alpha
Helix 55
55
B
319 321Right-handed 310
Helix 56
56
B
336 343Right-handed alpha
Helix 57
57
B
350 360Right-handed alpha
Helix 58
58
B
365 369Right-handed 310
Helix 59
59
B
376 380Right-handed 310
Helix 60
60
B
384 399Right-handed alpha
Helix 61
61
B
421 437Right-handed alpha
Helix 62
62
B
447 455Right-handed alpha
Helix 63
63
B
471 491Right-handed alpha
Helix 64
64
B
507 524Right-handed alpha
Helix 65
65
B
528 559Right-handed alpha
Helix 66
66
B
560 578Right-handed alpha
Helix 67
67
B
581 593Right-handed alpha
Helix 68
68
B
594 604Right-handed alpha
Helix 69
69
B
609 626Right-handed alpha
Helix 70
70
B
637 650Right-handed alpha
Helix 71
71
B
721 727Right-handed alpha
Helix 72
72
B
745 771Right-handed alpha
Helix 73
73
B
773 790Right-handed alpha
Helix 74
74
D
3 12Right-handed alpha
Helix 75
75
D
13 18Right-handed alpha
Helix 76
76
D
21 25Right-handed 310
Helix 77
77
D
34 46Right-handed alpha
Helix 78
78
D
48 60Right-handed alpha
Helix 79
79
D
67 80Right-handed alpha
Helix 80
80
D
81 90Right-handed alpha
Helix 81
81
D
94 110Right-handed alpha
Helix 82
82
D
111 113Right-handed 310
Helix 83
83
D
117 126Right-handed alpha
Helix 84
84
D
130 144Right-handed alpha
Helix 85
85
D
145 158Right-handed alpha
Helix 86
86
D
164 177Right-handed alpha
Helix 87
87
D
178 184Right-handed alpha
Helix 88
88
D
247 259Right-handed alpha
Helix 89
89
D
272 287Right-handed alpha
Helix 90
90
D
302 318Right-handed alpha
Helix 91
91
D
319 321Right-handed 310
Helix 92
92
D
336 343Right-handed alpha
Helix 93
93
D
350 360Right-handed alpha
Helix 94
94
D
365 369Right-handed 310
Helix 95
95
D
377 380Right-handed 310
Helix 96
96
D
384 399Right-handed alpha
Helix 97
97
D
421 437Right-handed alpha
Helix 98
98
D
447 455Right-handed alpha
Helix 99
99
D
471 491Right-handed alpha
Helix 100
100
D
507 524Right-handed alpha
Helix 101
101
D
528 559Right-handed alpha
Helix 102
102
D
560 578Right-handed alpha
Helix 103
103
D
581 604Right-handed alpha
Helix 104
104
D
609 626Right-handed alpha
Helix 105
105
D
637 650Right-handed alpha
Helix 106
106
D
722 727Right-handed alpha
Helix 107
107
D
747 771Right-handed alpha
Helix 108
108
D
773 790Right-handed alpha
Helix 109
109
E
3 12Right-handed alpha
Helix 110
110
E
13 18Right-handed alpha
Helix 111
111
E
21 25Right-handed 310
Helix 112
112
E
34 46Right-handed alpha
Helix 113
113
E
48 60Right-handed alpha
Helix 114
114
E
67 80Right-handed alpha
Helix 115
115
E
81 90Right-handed alpha
Helix 116
116
E
94 110Right-handed alpha
Helix 117
117
E
111 114Right-handed 310
Helix 118
118
E
117 126Right-handed alpha
Helix 119
119
E
130 144Right-handed alpha
Helix 120
120
E
145 158Right-handed alpha
Helix 121
121
E
164 177Right-handed alpha
Helix 122
122
E
178 184Right-handed alpha
Helix 123
123
E
247 259Right-handed alpha
Helix 124
124
E
272 287Right-handed alpha
Helix 125
125
E
302 318Right-handed alpha
Helix 126
126
E
319 321Right-handed 310
Helix 127
127
E
336 343Right-handed alpha
Helix 128
128
E
350 360Right-handed alpha
Helix 129
129
E
365 369Right-handed 310
Helix 130
130
E
376 380Right-handed 310
Helix 131
131
E
384 399Right-handed alpha
Helix 132
132
E
421 437Right-handed alpha
Helix 133
133
E
447 455Right-handed alpha
Helix 134
134
E
471 491Right-handed alpha
Helix 135
135
E
507 524Right-handed alpha
Helix 136
136
E
528 559Right-handed alpha
Helix 137
137
E
560 578Right-handed alpha
Helix 138
138
E
581 604Right-handed alpha
Helix 139
139
E
605 608Right-handed 310
Helix 140
140
E
611 626Right-handed alpha
Helix 141
141
E
637 650Right-handed alpha
Helix 142
142
E
722 728Right-handed alpha
Helix 143
143
E
748 771Right-handed alpha
Helix 144
144
E
773 790Right-handed alpha
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There are 8 sheets in PDB entry 4A2Q. Click on sheet of interest to get list of strands forming it: AA, AB, BA, BB, A, DB, EA, EB,

There are 7 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
324 327first strand
Strand 2
A
346 349parallel
Strand 3
A
296 299parallel
Strand 4
A
371 374parallel
Strand 5
A
406 411parallel
Strand 6
A
263 266parallel
Strand 7
A
440 442parallel
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There are 6 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
461 464first strand
Strand 2
A
739 743parallel
Strand 3
A
712 716parallel
Strand 4
A
631 635parallel
Strand 5
A
694 698parallel
Strand 6
A
660 661parallel
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There are 7 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
324 327first strand
Strand 2
B
346 349parallel
Strand 3
B
296 299parallel
Strand 4
B
371 374parallel
Strand 5
B
406 411parallel
Strand 6
B
263 266parallel
Strand 7
B
440 442parallel
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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
461 464first strand
Strand 2
B
739 743parallel
Strand 3
B
712 716parallel
Strand 4
B
631 635parallel
Strand 5
B
694 698parallel
Strand 6
B
660 661parallel
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There are 7 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
324 327first strand
Strand 2
D
346 349parallel
Strand 3
D
296 299parallel
Strand 4
D
371 375parallel
Strand 5
D
406 411parallel
Strand 6
D
263 266parallel
Strand 7
D
440 442parallel
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There are 6 strands in DB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
460 464first strand
Strand 2
D
739 743parallel
Strand 3
D
712 716parallel
Strand 4
D
631 634parallel
Strand 5
D
694 697parallel
Strand 6
D
660 661parallel
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There are 7 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
324 327first strand
Strand 2
E
346 349parallel
Strand 3
E
296 299parallel
Strand 4
E
371 374parallel
Strand 5
E
406 411parallel
Strand 6
E
263 266parallel
Strand 7
E
440 442parallel
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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
460 464first strand
Strand 2
E
739 743parallel
Strand 3
E
712 716parallel
Strand 4
E
631 634parallel
Strand 5
E
694 697parallel
Strand 6
E
660 661parallel
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