Analysis of interatomic Contacts of Structural Units in PDB entry:
1AS8


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 1AS8 entry

There are 3 chains in PDB entry 1AS8 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 4GLY 339
B
 ALA 4GLY 339
C
 ALA 4GLY 339
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 12 helices in PDB entry 1AS8. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
2
A
105 111Right-handed 310
Helix 2
3
A
142 148Right-handed alpha
Helix 3
4
A
199 212Right-handed 310
Helix 4
6
A
308 312Right-handed alpha
Helix 5
8
B
105 111Right-handed 310
Helix 6
9
B
142 146Right-handed alpha
Helix 7
10
B
199 212Right-handed alpha
Helix 8
12
B
308 312Right-handed alpha
Helix 9
14
C
105 111Right-handed 310
Helix 10
15
C
142 148Right-handed alpha
Helix 11
16
C
199 212Right-handed alpha
Helix 12
18
C
308 312Right-handed alpha
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There are 18 sheets in PDB entry 1AS8. 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,

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
13 16first strand
Strand 2
A
37 45parallel
Strand 3
A
80 87parallel
Strand 4
A
118 125anti-parallel
Strand 5
B
331 335anti-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
45 51first strand
Strand 2
A
58 64anti-parallel
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There are 3 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
73 76first strand
Strand 2
A
151 157parallel
Strand 3
A
130 135anti-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
174 179first strand
Strand 2
A
240 247parallel
Strand 3
A
287 294anti-parallel
Strand 4
A
263 265anti-parallel
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There are 2 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
180 183first strand
Strand 2
A
217 220anti-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
A
233 236first strand
Strand 2
A
317 323parallel
Strand 3
A
299 305anti-parallel
Strand 4
A
254 257anti-parallel
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There are 5 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
13 16first strand
Strand 2
B
37 45parallel
Strand 3
B
80 87parallel
Strand 4
B
118 125anti-parallel
Strand 5
C
331 335anti-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
B
45 51first strand
Strand 2
B
58 64anti-parallel
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There are 3 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
73 76first strand
Strand 2
B
151 157parallel
Strand 3
B
130 135anti-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
174 179first strand
Strand 2
B
240 247parallel
Strand 3
B
287 294anti-parallel
Strand 4
B
263 265anti-parallel
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There are 2 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
180 183first strand
Strand 2
B
217 220anti-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
B
233 236first strand
Strand 2
B
317 323parallel
Strand 3
B
299 305anti-parallel
Strand 4
B
254 257anti-parallel
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There are 5 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
14 16first strand
Strand 2
C
38 45parallel
Strand 3
C
80 87parallel
Strand 4
C
118 125anti-parallel
Strand 5
A
331 335anti-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
C
45 51first strand
Strand 2
C
58 64anti-parallel
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There are 3 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
73 76first strand
Strand 2
C
151 157parallel
Strand 3
C
130 135anti-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
174 179first strand
Strand 2
C
240 247parallel
Strand 3
C
287 294anti-parallel
Strand 4
C
263 265anti-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
C
180 183first strand
Strand 2
C
217 220anti-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
C
233 236first strand
Strand 2
C
317 323parallel
Strand 3
C
299 305anti-parallel
Strand 4
C
254 257anti-parallel
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