Analysis of interatomic Contacts of Structural Units in PDB entry:
1FS1


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 1FS1 entry

There are 4 chains in PDB entry 1FS1 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 TRP 109TRP 149
B
 PRO 2ASN 140
C
 TRP 109TRP 149
D
 PRO 2ASN 140
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 26 helices in PDB entry 1FS1. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
113 122Right-handed alpha
Helix 2
2
A
123 124Right-handed 310
Helix 3
3
A
125 127Right-handed 310
Helix 4
4
A
128 134Right-handed alpha
Helix 5
5
A
136 144Right-handed alpha
Helix 6
6
A
145 149Right-handed 310
Helix 7
7
B
19 23Right-handed 310
Helix 8
8
B
24 34Right-handed alpha
Helix 9
9
B
51 66Right-handed alpha
Helix 10
10
B
86 93Right-handed alpha
Helix 11
11
B
96 111Right-handed alpha
Helix 12
12
B
112 128Right-handed alpha
Helix 13
13
B
131 139Right-handed alpha
Helix 14
14
C
113 123Right-handed alpha
Helix 15
15
C
124 124Right-handed 310
Helix 16
16
C
125 127Right-handed 310
Helix 17
17
C
128 134Right-handed alpha
Helix 18
18
C
136 144Right-handed alpha
Helix 19
19
C
145 149Right-handed 310
Helix 20
20
D
18 22Right-handed alpha
Helix 21
21
D
24 33Right-handed alpha
Helix 22
22
D
51 66Right-handed alpha
Helix 23
23
D
86 93Right-handed alpha
Helix 24
24
D
96 111Right-handed alpha
Helix 25
25
D
112 126Right-handed alpha
Helix 26
26
D
131 140Right-handed alpha
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There are 2 sheets in PDB entry 1FS1. Click on sheet of interest to get list of strands forming it: A, B,

There are 3 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
13 17first strand
Strand 2
B
3 7anti-parallel
Strand 3
B
45 46parallel
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There are 3 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
13 17first strand
Strand 2
D
3 7anti-parallel
Strand 3
D
45 46parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il