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


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 1HAS entry

There are 5 chains in PDB entry 1HAS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLN 1SER 204
B
 GLN 1SER 204
C
 GLN 1SER 204
D
 GLN 1SER 204
E
 GLN 1SER 204
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 15 helices in PDB entry 1HAS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
146 148Right-handed 310
Helix 2
2
A
166 174Right-handed alpha
Helix 3
3
A
204 204Right-handed alpha
Helix 4
4
B
146 148Right-handed 310
Helix 5
5
B
166 174Right-handed alpha
Helix 6
6
B
204 204Right-handed alpha
Helix 7
7
C
146 148Right-handed 310
Helix 8
8
C
166 174Right-handed alpha
Helix 9
9
C
204 204Right-handed alpha
Helix 10
10
D
146 148Right-handed 310
Helix 11
11
D
166 174Right-handed alpha
Helix 12
12
D
204 204Right-handed alpha
Helix 13
13
E
146 148Right-handed 310
Helix 14
14
E
166 174Right-handed alpha
Helix 15
15
E
204 204Right-handed alpha
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There are 15 sheets in PDB entry 1HAS. 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,

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
197 200first strand
Strand 2
A
7 11anti-parallel
Strand 3
A
152 155anti-parallel
Strand 4
A
32 40anti-parallel
Strand 5
A
91 99anti-parallel
Strand 6
A
104 109anti-parallel
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There are 7 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
190 193first strand
Strand 2
A
19 22anti-parallel
Strand 3
A
130 133anti-parallel
Strand 4
A
47 53anti-parallel
Strand 5
A
61 67anti-parallel
Strand 6
A
70 75anti-parallel
Strand 7
A
78 83anti-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
34 36first strand
Strand 2
A
158 160anti-parallel
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There are 6 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
197 200first strand
Strand 2
B
7 11anti-parallel
Strand 3
B
152 155anti-parallel
Strand 4
B
32 40anti-parallel
Strand 5
B
91 99anti-parallel
Strand 6
B
104 109anti-parallel
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There are 7 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
190 193first strand
Strand 2
B
19 22anti-parallel
Strand 3
B
130 133anti-parallel
Strand 4
B
47 53anti-parallel
Strand 5
B
61 67anti-parallel
Strand 6
B
70 75anti-parallel
Strand 7
B
78 83anti-parallel
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There are 2 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
34 36first strand
Strand 2
B
158 160anti-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
C
197 200first strand
Strand 2
C
7 11anti-parallel
Strand 3
C
152 155anti-parallel
Strand 4
C
32 40anti-parallel
Strand 5
C
91 99anti-parallel
Strand 6
C
104 109anti-parallel
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There are 7 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
190 193first strand
Strand 2
C
19 22anti-parallel
Strand 3
C
130 133anti-parallel
Strand 4
C
47 53anti-parallel
Strand 5
C
61 67anti-parallel
Strand 6
C
70 75anti-parallel
Strand 7
C
78 83anti-parallel
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There are 2 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
34 36first strand
Strand 2
C
158 160anti-parallel
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There are 6 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
197 200first strand
Strand 2
D
7 11anti-parallel
Strand 3
D
152 155anti-parallel
Strand 4
D
32 40anti-parallel
Strand 5
D
91 99anti-parallel
Strand 6
D
104 109anti-parallel
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There are 7 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
190 193first strand
Strand 2
D
19 22anti-parallel
Strand 3
D
130 133anti-parallel
Strand 4
D
47 53anti-parallel
Strand 5
D
61 67anti-parallel
Strand 6
D
70 75anti-parallel
Strand 7
D
78 83anti-parallel
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There are 2 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
34 36first strand
Strand 2
D
158 160anti-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
E
197 200first strand
Strand 2
E
7 11anti-parallel
Strand 3
E
152 155anti-parallel
Strand 4
E
32 40anti-parallel
Strand 5
E
91 99anti-parallel
Strand 6
E
104 109anti-parallel
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There are 7 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
190 193first strand
Strand 2
E
19 22anti-parallel
Strand 3
E
130 133anti-parallel
Strand 4
E
47 53anti-parallel
Strand 5
E
61 67anti-parallel
Strand 6
E
70 75anti-parallel
Strand 7
E
78 83anti-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
E
34 36first strand
Strand 2
E
158 160anti-parallel
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