Analysis of interatomic Contacts of Structural Units in PDB entry:
3BT2


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 3BT2 entry

There are 5 chains in PDB entry 3BT2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 9ALA 132
B
 GLN 2PRO 41
L
 ASP 1GLU 212
H
 GLY 1ALA 208
U
 SER 1ASP 275
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 17 helices in PDB entry 3BT2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
23 26Right-handed 310
Helix 2
2
A
78 82Right-handed 310
Helix 3
3
A
90 95Right-handed alpha
Helix 4
4
B
33 38Right-handed alpha
Helix 5
5
L
79 83Right-handed 310
Helix 6
6
L
120 126Right-handed alpha
Helix 7
7
L
182 187Right-handed alpha
Helix 8
8
H
28 32Right-handed 310
Helix 9
9
H
61 64Right-handed 310
Helix 10
10
H
73 75Right-handed 310
Helix 11
11
H
83 87Right-handed 310
Helix 12
12
H
151 153Right-handed 310
Helix 13
13
H
195 198Right-handed 310
Helix 14
14
U
75 79Right-handed 310
Helix 15
15
U
101 103Right-handed 310
Helix 16
16
U
183 187Right-handed 310
Helix 17
17
U
244 248Right-handed 310
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There are 16 sheets in PDB entry 3BT2. 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 2 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 21first strand
Strand 2
A
29 32anti-parallel
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There are 2 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
37 38first strand
Strand 2
A
44 45anti-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
112 117first strand
Strand 2
A
120 125anti-parallel
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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
L
4 7first strand
Strand 2
L
19 25anti-parallel
Strand 3
L
70 75anti-parallel
Strand 4
L
62 67anti-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
L
10 13first strand
Strand 2
L
102 106parallel
Strand 3
L
84 90anti-parallel
Strand 4
L
33 38anti-parallel
Strand 5
L
45 49anti-parallel
Strand 6
L
53 54anti-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
L
113 117first strand
Strand 2
L
128 138anti-parallel
Strand 3
L
172 181anti-parallel
Strand 4
L
158 162anti-parallel
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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
L
152 154first strand
Strand 2
L
144 149anti-parallel
Strand 3
L
190 196anti-parallel
Strand 4
L
204 209anti-parallel
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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
H
3 6first strand
Strand 2
H
18 25anti-parallel
Strand 3
H
77 82anti-parallel
Strand 4
H
67 72anti-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
H
10 12first strand
Strand 2
H
107 111parallel
Strand 3
H
88 95anti-parallel
Strand 4
H
34 39anti-parallel
Strand 5
H
46 51anti-parallel
Strand 6
H
57 59anti-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
H
10 12first strand
Strand 2
H
107 111parallel
Strand 3
H
88 95anti-parallel
Strand 4
H
100 103anti-parallel
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There are 4 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
120 124first strand
Strand 2
H
132 140anti-parallel
Strand 3
H
169 177anti-parallel
Strand 4
H
158 160anti-parallel
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There are 4 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
120 124first strand
Strand 2
H
132 140anti-parallel
Strand 3
H
169 177anti-parallel
Strand 4
H
164 166anti-parallel
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There are 3 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
146 149first strand
Strand 2
H
189 194anti-parallel
Strand 3
H
199 204anti-parallel
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There are 2 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
U
2 6first strand
Strand 2
U
12 16anti-parallel
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There are 11 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
U
36 46first strand
Strand 2
U
23 33anti-parallel
Strand 3
U
62 71anti-parallel
Strand 4
U
53 59anti-parallel
Strand 5
U
143 149anti-parallel
Strand 6
U
121 129anti-parallel
Strand 7
U
164 171anti-parallel
Strand 8
U
155 161anti-parallel
Strand 9
U
234 242anti-parallel
Strand 10
U
189 199anti-parallel
Strand 11
U
211 216anti-parallel
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There are 9 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
U
111 114first strand
Strand 2
U
94 99anti-parallel
Strand 3
U
143 149anti-parallel
Strand 4
U
121 129anti-parallel
Strand 5
U
164 171anti-parallel
Strand 6
U
155 161anti-parallel
Strand 7
U
234 242anti-parallel
Strand 8
U
221 229anti-parallel
Strand 9
U
262 266anti-parallel
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