Analysis of interatomic Contacts of Structural Units in PDB entry:
1Q9W


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 1Q9W entry

There are 4 chains in PDB entry 1Q9W (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 1CYS 213
B
 GLU 1CYS 213
C
 ASP 1CYS 213
D
 GLU 1CYS 213
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 13 helices in PDB entry 1Q9W. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
79 83Right-handed 310
Helix 2
2
A
120 125Right-handed alpha
Helix 3
3
A
182 187Right-handed alpha
Helix 4
4
B
28 32Right-handed 310
Helix 5
5
B
83 87Right-handed 310
Helix 6
6
B
198 201Right-handed 310
Helix 7
7
C
79 83Right-handed 310
Helix 8
8
C
120 125Right-handed alpha
Helix 9
9
C
182 186Right-handed alpha
Helix 10
10
D
28 32Right-handed 310
Helix 11
11
D
83 87Right-handed 310
Helix 12
12
D
154 156Right-handed 310
Helix 13
13
D
198 201Right-handed 310
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There are 22 sheets in PDB entry 1Q9W. 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,

There are 4 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
4 7first strand
Strand 2
A
19 25anti-parallel
Strand 3
A
70 75anti-parallel
Strand 4
A
62 67anti-parallel
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There are 6 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
10 14first strand
Strand 2
A
101 106parallel
Strand 3
A
84 90anti-parallel
Strand 4
A
33 38anti-parallel
Strand 5
A
45 49anti-parallel
Strand 6
A
53 54anti-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
10 14first strand
Strand 2
A
101 106parallel
Strand 3
A
84 90anti-parallel
Strand 4
A
96 97anti-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
A
113 117first strand
Strand 2
A
128 138anti-parallel
Strand 3
A
172 181anti-parallel
Strand 4
A
158 162anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
152 154first strand
Strand 2
A
144 149anti-parallel
Strand 3
A
191 196anti-parallel
Strand 4
A
204 208anti-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
3 7first strand
Strand 2
B
18 25anti-parallel
Strand 3
B
75 80anti-parallel
Strand 4
B
65 70anti-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
B
10 12first strand
Strand 2
B
105 109parallel
Strand 3
B
88 94anti-parallel
Strand 4
B
34 39anti-parallel
Strand 5
B
46 51anti-parallel
Strand 6
B
55 57anti-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
B
10 12first strand
Strand 2
B
105 109parallel
Strand 3
B
88 94anti-parallel
Strand 4
B
100 101anti-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
B
118 122first strand
Strand 2
B
133 143anti-parallel
Strand 3
B
172 182anti-parallel
Strand 4
B
161 163anti-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
B
118 122first strand
Strand 2
B
133 143anti-parallel
Strand 3
B
172 182anti-parallel
Strand 4
B
167 169anti-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
B
149 151first strand
Strand 2
B
192 197anti-parallel
Strand 3
B
202 207anti-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
C
4 7first strand
Strand 2
C
19 25anti-parallel
Strand 3
C
70 75anti-parallel
Strand 4
C
62 67anti-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
C
10 14first strand
Strand 2
C
101 106parallel
Strand 3
C
84 90anti-parallel
Strand 4
C
33 38anti-parallel
Strand 5
C
45 49anti-parallel
Strand 6
C
53 54anti-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
C
10 14first strand
Strand 2
C
101 106parallel
Strand 3
C
84 90anti-parallel
Strand 4
C
96 97anti-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
C
113 117first strand
Strand 2
C
128 138anti-parallel
Strand 3
C
172 181anti-parallel
Strand 4
C
158 162anti-parallel
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There are 4 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
152 154first strand
Strand 2
C
143 149anti-parallel
Strand 3
C
191 197anti-parallel
Strand 4
C
204 208anti-parallel
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There are 4 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
3 7first strand
Strand 2
D
18 25anti-parallel
Strand 3
D
75 80anti-parallel
Strand 4
D
65 70anti-parallel
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There are 6 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
10 12first strand
Strand 2
D
105 109parallel
Strand 3
D
88 94anti-parallel
Strand 4
D
34 39anti-parallel
Strand 5
D
46 51anti-parallel
Strand 6
D
55 57anti-parallel
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There are 4 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
10 12first strand
Strand 2
D
105 109parallel
Strand 3
D
88 94anti-parallel
Strand 4
D
100 101anti-parallel
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There are 4 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
118 122first strand
Strand 2
D
134 143anti-parallel
Strand 3
D
172 181anti-parallel
Strand 4
D
161 163anti-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
D
118 122first strand
Strand 2
D
134 143anti-parallel
Strand 3
D
172 181anti-parallel
Strand 4
D
167 169anti-parallel
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There are 3 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
149 152first strand
Strand 2
D
192 197anti-parallel
Strand 3
D
202 207anti-parallel
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