Analysis of interatomic Contacts of Structural Units in PDB entry:
1B25


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 1B25 entry

There are 4 chains in PDB entry 1B25 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1GLU 619
B
 MET 1GLU 619
C
 MET 1GLU 619
D
 MET 1GLU 619
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 are120 helices in PDB entry 1B25. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
25 31Right-handed alpha
Helix 2
2
A
34 45Right-handed alpha
Helix 3
3
A
96 103Right-handed alpha
Helix 4
4
A
141 152Right-handed alpha
Helix 5
5
A
163 166Right-handed alpha
Helix 6
6
A
187 194Right-handed alpha
Helix 7
7
A
212 228Right-handed alpha
Helix 8
8
A
232 249Right-handed alpha
Helix 9
9
A
266 269Right-handed 310
Helix 10
10
A
271 277Right-handed alpha
Helix 11
11
A
307 313Right-handed alpha
Helix 12
12
A
315 317Right-handed 310
Helix 13
13
A
322 335Right-handed alpha
Helix 14
14
A
339 354Right-handed alpha
Helix 15
15
A
367 378Right-handed alpha
Helix 16
16
A
383 390Right-handed alpha
Helix 17
17
A
392 399Right-handed alpha
Helix 18
18
A
402 404Right-handed 310
Helix 19
19
A
422 430Right-handed alpha
Helix 20
20
A
443 447Right-handed alpha
Helix 21
21
A
468 481Right-handed 310
Helix 22
22
A
484 487Right-handed alpha
Helix 23
23
A
493 498Right-handed alpha
Helix 24
24
A
502 513Right-handed 310
Helix 25
25
A
519 540Right-handed alpha
Helix 26
26
A
547 550Right-handed 310
Helix 27
27
A
554 558Right-handed 310
Helix 28
28
A
573 587Right-handed alpha
Helix 29
29
A
597 602Right-handed alpha
Helix 30
30
A
606 613Right-handed alpha
Helix 31
31
B
25 31Right-handed alpha
Helix 32
32
B
34 45Right-handed alpha
Helix 33
33
B
96 103Right-handed alpha
Helix 34
34
B
141 152Right-handed alpha
Helix 35
35
B
163 166Right-handed alpha
Helix 36
36
B
187 194Right-handed alpha
Helix 37
37
B
212 228Right-handed alpha
Helix 38
38
B
232 249Right-handed alpha
Helix 39
39
B
266 269Right-handed 310
Helix 40
40
B
271 277Right-handed alpha
Helix 41
41
B
307 313Right-handed alpha
Helix 42
42
B
315 317Right-handed 310
Helix 43
43
B
322 335Right-handed alpha
Helix 44
44
B
339 354Right-handed alpha
Helix 45
45
B
367 378Right-handed alpha
Helix 46
46
B
382 390Right-handed alpha
Helix 47
47
B
392 399Right-handed alpha
Helix 48
48
B
402 404Right-handed 310
Helix 49
49
B
422 430Right-handed alpha
Helix 50
50
B
443 447Right-handed alpha
Helix 51
51
B
468 481Right-handed 310
Helix 52
52
B
484 487Right-handed alpha
Helix 53
53
B
493 498Right-handed alpha
Helix 54
54
B
502 513Right-handed 310
Helix 55
55
B
519 540Right-handed alpha
Helix 56
56
B
547 550Right-handed 310
Helix 57
57
B
554 558Right-handed 310
Helix 58
58
B
573 587Right-handed alpha
Helix 59
59
B
597 602Right-handed alpha
Helix 60
60
B
606 613Right-handed alpha
Helix 61
61
C
25 31Right-handed alpha
Helix 62
62
C
34 45Right-handed alpha
Helix 63
63
C
96 103Right-handed alpha
Helix 64
64
C
141 152Right-handed alpha
Helix 65
65
C
163 166Right-handed alpha
Helix 66
66
C
187 194Right-handed alpha
Helix 67
67
C
212 227Right-handed alpha
Helix 68
68
C
232 249Right-handed alpha
Helix 69
69
C
266 269Right-handed 310
Helix 70
70
C
271 277Right-handed alpha
Helix 71
71
C
307 313Right-handed alpha
Helix 72
72
C
315 317Right-handed 310
Helix 73
73
C
322 335Right-handed alpha
Helix 74
74
C
339 354Right-handed alpha
Helix 75
75
C
367 378Right-handed alpha
Helix 76
76
C
382 390Right-handed alpha
Helix 77
77
C
392 399Right-handed alpha
Helix 78
78
C
402 404Right-handed 310
Helix 79
79
C
422 430Right-handed alpha
Helix 80
80
C
443 447Right-handed alpha
Helix 81
81
C
468 481Right-handed 310
Helix 82
82
C
484 487Right-handed alpha
Helix 83
83
C
493 498Right-handed alpha
Helix 84
84
C
502 513Right-handed 310
Helix 85
85
C
519 540Right-handed alpha
Helix 86
86
C
547 550Right-handed 310
Helix 87
87
C
554 558Right-handed 310
Helix 88
88
C
573 587Right-handed alpha
Helix 89
89
C
597 602Right-handed alpha
Helix 90
90
C
606 613Right-handed alpha
Helix 91
91
D
25 31Right-handed alpha
Helix 92
92
D
34 45Right-handed alpha
Helix 93
93
D
96 103Right-handed alpha
Helix 94
94
D
141 152Right-handed alpha
Helix 95
95
D
163 166Right-handed alpha
Helix 96
96
D
187 194Right-handed alpha
Helix 97
97
D
212 227Right-handed alpha
Helix 98
98
D
232 249Right-handed alpha
Helix 99
99
D
266 269Right-handed 310
Helix 100
100
D
271 277Right-handed alpha
Helix 101
101
D
307 313Right-handed alpha
Helix 102
102
D
315 317Right-handed 310
Helix 103
103
D
322 335Right-handed alpha
Helix 104
104
D
339 354Right-handed alpha
Helix 105
105
D
367 378Right-handed alpha
Helix 106
106
D
382 390Right-handed alpha
Helix 107
107
D
392 399Right-handed alpha
Helix 108
108
D
402 404Right-handed 310
Helix 109
109
D
422 430Right-handed alpha
Helix 110
110
D
443 447Right-handed alpha
Helix 111
111
D
468 481Right-handed 310
Helix 112
112
D
484 487Right-handed alpha
Helix 113
113
D
493 498Right-handed alpha
Helix 114
114
D
502 513Right-handed 310
Helix 115
115
D
519 540Right-handed alpha
Helix 116
116
D
547 550Right-handed 310
Helix 117
117
D
554 558Right-handed 310
Helix 118
118
D
573 587Right-handed alpha
Helix 119
119
D
597 602Right-handed alpha
Helix 120
120
D
606 613Right-handed alpha
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There are 16 sheets in PDB entry 1B25. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P,

There are 6 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
18 22first strand
Strand 2
A
7 12anti-parallel
Strand 3
A
108 112parallel
Strand 4
A
58 61anti-parallel
Strand 5
A
75 81anti-parallel
Strand 6
A
88 94anti-parallel
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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
127 132first strand
Strand 2
A
119 124anti-parallel
Strand 3
A
196 202parallel
Strand 4
A
157 160anti-parallel
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There are 2 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
174 176first strand
Strand 2
A
180 182anti-parallel
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There are 3 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
302 305first strand
Strand 2
A
292 296anti-parallel
Strand 3
A
278 282anti-parallel
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There are 6 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
18 22first strand
Strand 2
B
7 12anti-parallel
Strand 3
B
108 112parallel
Strand 4
B
58 61anti-parallel
Strand 5
B
75 81anti-parallel
Strand 6
B
88 94anti-parallel
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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
B
127 132first strand
Strand 2
B
119 124anti-parallel
Strand 3
B
196 202parallel
Strand 4
B
157 160anti-parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
174 176first strand
Strand 2
B
180 182anti-parallel
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There are 3 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
302 305first strand
Strand 2
B
292 296anti-parallel
Strand 3
B
278 282anti-parallel
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There are 6 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
18 22first strand
Strand 2
C
7 12anti-parallel
Strand 3
C
108 112parallel
Strand 4
C
58 61anti-parallel
Strand 5
C
75 81anti-parallel
Strand 6
C
88 94anti-parallel
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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
127 132first strand
Strand 2
C
119 124anti-parallel
Strand 3
C
196 202parallel
Strand 4
C
157 160anti-parallel
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There are 2 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
174 176first strand
Strand 2
C
180 182anti-parallel
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There are 3 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
302 305first strand
Strand 2
C
292 296anti-parallel
Strand 3
C
278 282anti-parallel
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There are 6 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
18 22first strand
Strand 2
D
7 12anti-parallel
Strand 3
D
108 112parallel
Strand 4
D
58 61anti-parallel
Strand 5
D
75 81anti-parallel
Strand 6
D
88 94anti-parallel
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There are 4 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
127 132first strand
Strand 2
D
119 124anti-parallel
Strand 3
D
196 202parallel
Strand 4
D
157 160anti-parallel
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There are 2 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
174 176first strand
Strand 2
D
180 182anti-parallel
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There are 3 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
302 305first strand
Strand 2
D
292 296anti-parallel
Strand 3
D
278 282anti-parallel
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