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


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 1QSF entry

There are 5 chains in PDB entry 1QSF (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 1TRP 274
B
 MET 0MET 99
C
 LEU 1VAL 9
D
 LYS 1SER 206
E
 GLY 3ASP 246
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 11 helices in PDB entry 1QSF. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
49 53Right-handed 310
Helix 2
2
A
56 85Right-handed alpha
Helix 3
3
A
138 151Right-handed alpha
Helix 4
4
A
151 162Right-handed alpha
Helix 5
5
A
162 175Right-handed alpha
Helix 6
6
A
175 180Right-handed alpha
Helix 7
7
D
81 85Right-handed 310
Helix 8
8
D
188 193Right-handed alpha
Helix 9
9
E
83 87Right-handed 310
Helix 10
10
E
133 139Right-handed alpha
Helix 11
11
E
200 204Right-handed alpha
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There are 18 sheets in PDB entry 1QSF. Click on sheet of interest to get list of strands forming it: A, B, B1, C, D, D1, E, F, G, H, H1, I, I1, J, K, K1, L, M,

There are 8 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
46 47first strand
Strand 2
A
31 37anti-parallel
Strand 3
A
21 28anti-parallel
Strand 4
A
3 12anti-parallel
Strand 5
A
94 103anti-parallel
Strand 6
A
109 118anti-parallel
Strand 7
A
121 126anti-parallel
Strand 8
A
133 135anti-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
188 193first strand
Strand 2
A
198 208anti-parallel
Strand 3
A
241 250anti-parallel
Strand 4
A
229 230anti-parallel
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There are 4 strands in B1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
188 193first strand
Strand 2
A
198 208anti-parallel
Strand 3
A
241 250anti-parallel
Strand 4
A
234 235anti-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
214 219first strand
Strand 2
A
257 262anti-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
B
6 11first strand
Strand 2
B
21 30anti-parallel
Strand 3
B
62 70anti-parallel
Strand 4
B
50 51anti-parallel
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There are 4 strands in D1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
6 11first strand
Strand 2
B
21 30anti-parallel
Strand 3
B
62 70anti-parallel
Strand 4
B
55 56anti-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
B
44 45first strand
Strand 2
B
36 41anti-parallel
Strand 3
B
78 83anti-parallel
Strand 4
B
91 94anti-parallel
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There are 5 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
3 5first strand
Strand 2
D
18 24anti-parallel
Strand 3
D
72 77anti-parallel
Strand 4
D
62 67anti-parallel
Strand 5
D
54 55anti-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
D
12 13first strand
Strand 2
D
114 115parallel
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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
D
44 49first strand
Strand 2
D
31 37anti-parallel
Strand 3
D
87 93anti-parallel
Strand 4
D
105 106anti-parallel
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There are 4 strands in H1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
44 49first strand
Strand 2
D
31 37anti-parallel
Strand 3
D
87 93anti-parallel
Strand 4
D
110 111anti-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
124 128first strand
Strand 2
D
137 142anti-parallel
Strand 3
D
173 182anti-parallel
Strand 4
D
158 159anti-parallel
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There are 4 strands in I1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
124 128first strand
Strand 2
D
137 142anti-parallel
Strand 3
D
173 182anti-parallel
Strand 4
D
164 168anti-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
E
4 7first strand
Strand 2
E
19 25anti-parallel
Strand 3
E
77 79anti-parallel
Strand 4
E
66 67anti-parallel
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There are 5 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
56 57first strand
Strand 2
E
42 49anti-parallel
Strand 3
E
31 38anti-parallel
Strand 4
E
88 95anti-parallel
Strand 5
E
107 108anti-parallel
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There are 6 strands in K1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
56 57first strand
Strand 2
E
42 49anti-parallel
Strand 3
E
31 38anti-parallel
Strand 4
E
88 95anti-parallel
Strand 5
E
112 116anti-parallel
Strand 6
E
10 14parallel
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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
E
126 127first strand
Strand 2
E
142 152anti-parallel
Strand 3
E
190 199anti-parallel
Strand 4
E
179 180anti-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
E
166 168first strand
Strand 2
E
157 163anti-parallel
Strand 3
E
210 216anti-parallel
Strand 4
E
236 241anti-parallel
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