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


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 1BQH entry

There are 10 chains in PDB entry 1BQH (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 1TRP 274
B
 ILE 1MET 99
C
 ARG 1LEU 8
D
 GLY 1TRP 274
E
 ILE 1MET 99
F
 ARG 1LEU 8
G
 LYS 1VAL 122
H
 LYS 1ALA 125
I
 ALA 4ALA 125
K
 LYS 1ALA 125
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 1BQH. 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 52Right-handed 310
Helix 2
2
A
57 84Right-handed alpha
Helix 3
3
A
118 120Right-handed 310
Helix 4
4
A
138 150Right-handed alpha
Helix 5
5
A
152 161Right-handed alpha
Helix 6
6
A
163 180Right-handed alpha
Helix 7
7
A
253 256Right-handed 310
Helix 8
8
D
28 30Right-handed 310
Helix 9
9
D
50 52Right-handed 310
Helix 10
10
D
57 84Right-handed alpha
Helix 11
11
D
138 150Right-handed alpha
Helix 12
12
D
152 161Right-handed alpha
Helix 13
13
D
163 179Right-handed alpha
Helix 14
14
D
254 256Right-handed 310
Helix 15
15
G
94 96Right-handed 310
Helix 16
16
H
68 70Right-handed 310
Helix 17
17
I
67 69Right-handed 310
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There are 23 sheets in PDB entry 1BQH. 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, Q, R, S, T, U, V, W,

There are 5 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
31 37first strand
Strand 2
A
21 28anti-parallel
Strand 3
A
3 12anti-parallel
Strand 4
A
94 103anti-parallel
Strand 5
A
109 118anti-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
124 126first strand
Strand 2
A
133 135anti-parallel
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There are 4 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
186 194first strand
Strand 2
A
198 206anti-parallel
Strand 3
A
243 250anti-parallel
Strand 4
A
228 230anti-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
214 219first strand
Strand 2
A
257 262anti-parallel
Strand 3
A
270 272anti-parallel
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There are 3 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
9 11first strand
Strand 2
B
20 30anti-parallel
Strand 3
B
62 71anti-parallel
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There are 3 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
35 41first strand
Strand 2
B
78 84anti-parallel
Strand 3
B
91 94anti-parallel
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There are 6 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
111 118first strand
Strand 2
D
94 102anti-parallel
Strand 3
D
5 12anti-parallel
Strand 4
D
21 28anti-parallel
Strand 5
D
31 37anti-parallel
Strand 6
D
45 47anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
124 126first strand
Strand 2
D
133 135anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
186 194first strand
Strand 2
D
198 206anti-parallel
Strand 3
D
243 250anti-parallel
Strand 4
D
228 230anti-parallel
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There are 3 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
213 219first strand
Strand 2
D
257 263anti-parallel
Strand 3
D
270 272anti-parallel
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There are 3 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
9 11first strand
Strand 2
E
20 27anti-parallel
Strand 3
E
64 71anti-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
E
35 41first strand
Strand 2
E
78 84anti-parallel
Strand 3
E
91 94anti-parallel
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There are 4 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
6 10first strand
Strand 2
G
22 29anti-parallel
Strand 3
G
84 89anti-parallel
Strand 4
G
75 80anti-parallel
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There are 5 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
110 112first strand
Strand 2
G
99 105anti-parallel
Strand 3
G
36 41anti-parallel
Strand 4
G
51 56anti-parallel
Strand 5
G
63 65anti-parallel
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There are 4 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
6 10first strand
Strand 2
H
22 29anti-parallel
Strand 3
H
84 89anti-parallel
Strand 4
H
75 79anti-parallel
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There are 6 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
13 16first strand
Strand 2
H
116 120parallel
Strand 3
H
98 103anti-parallel
Strand 4
H
36 42anti-parallel
Strand 5
H
50 56anti-parallel
Strand 6
H
63 65anti-parallel
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There are 2 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
103 106first strand
Strand 2
H
109 112anti-parallel
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There are 4 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
6 10first strand
Strand 2
I
22 29anti-parallel
Strand 3
I
84 89anti-parallel
Strand 4
I
75 80anti-parallel
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There are 2 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
14 16first strand
Strand 2
I
118 120parallel
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There are 5 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
109 112first strand
Strand 2
I
98 106anti-parallel
Strand 3
I
36 42anti-parallel
Strand 4
I
51 56anti-parallel
Strand 5
I
63 65anti-parallel
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There are 4 strands in U sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
K
6 10first strand
Strand 2
K
22 29anti-parallel
Strand 3
K
84 89anti-parallel
Strand 4
K
76 79anti-parallel
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There are 5 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
K
116 118first strand
Strand 2
K
98 103anti-parallel
Strand 3
K
36 42anti-parallel
Strand 4
K
52 56anti-parallel
Strand 5
K
63 65anti-parallel
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There are 2 strands in W sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
K
103 106first strand
Strand 2
K
109 112anti-parallel
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