Analysis of interatomic Contacts of Structural Units in PDB entry:
1F3U


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 1F3U entry

There are 8 chains in PDB entry 1F3U (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 2ALA 119
B
 GLY 5ARG 153
C
 ALA 2ALA 119
D
 SER 7ASN 168
E
 ALA 2ALA 119
F
 GLY 5ASN 168
G
 ALA 2ALA 119
H
 SER 7ARG 153
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 14 helices in PDB entry 1F3U. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
9 14Right-handed alpha
Helix 2
2
A
25 32Right-handed alpha
Helix 3
3
A
61 64Right-handed alpha
Helix 4
1
C
9 14Right-handed alpha
Helix 5
2
C
25 32Right-handed alpha
Helix 6
3
C
60 64Right-handed alpha
Helix 7
4
D
157 168Right-handed alpha
Helix 8
1
E
9 14Right-handed alpha
Helix 9
2
E
25 32Right-handed alpha
Helix 10
3
E
60 64Right-handed alpha
Helix 11
4
F
159 168Right-handed alpha
Helix 12
1
G
9 14Right-handed alpha
Helix 13
2
G
25 32Right-handed alpha
Helix 14
3
G
60 64Right-handed alpha
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There are 12 sheets in PDB entry 1F3U. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

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
6 8first strand
Strand 2
A
104 110parallel
Strand 3
A
91 99anti-parallel
Strand 4
B
24 32anti-parallel
Strand 5
B
140 148parallel
Strand 6
B
109 114anti-parallel
Strand 7
B
98 102anti-parallel
Strand 8
B
45 49anti-parallel
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There are 8 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
17 24first strand
Strand 2
B
122 129anti-parallel
Strand 3
B
135 139anti-parallel
Strand 4
B
10 17parallel
Strand 5
A
39 48anti-parallel
Strand 6
A
51 58anti-parallel
Strand 7
A
80 86anti-parallel
Strand 8
A
111 116anti-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
B
58 61first strand
Strand 2
B
84 87anti-parallel
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There are 8 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
6 8first strand
Strand 2
C
104 110parallel
Strand 3
C
91 99anti-parallel
Strand 4
D
24 32anti-parallel
Strand 5
D
142 148parallel
Strand 6
D
109 114anti-parallel
Strand 7
D
98 102anti-parallel
Strand 8
D
45 49anti-parallel
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There are 8 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
17 24first strand
Strand 2
D
122 129anti-parallel
Strand 3
D
135 139anti-parallel
Strand 4
D
10 17parallel
Strand 5
C
39 48anti-parallel
Strand 6
C
51 58anti-parallel
Strand 7
C
80 86anti-parallel
Strand 8
C
111 116anti-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
D
55 61first strand
Strand 2
D
84 90anti-parallel
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There are 8 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
6 8first strand
Strand 2
E
104 110parallel
Strand 3
E
91 99anti-parallel
Strand 4
F
24 32anti-parallel
Strand 5
F
140 148parallel
Strand 6
F
109 114anti-parallel
Strand 7
F
98 102anti-parallel
Strand 8
F
45 49anti-parallel
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There are 8 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
17 24first strand
Strand 2
F
122 129anti-parallel
Strand 3
F
135 139anti-parallel
Strand 4
F
12 17parallel
Strand 5
E
39 48anti-parallel
Strand 6
E
51 58anti-parallel
Strand 7
E
80 86anti-parallel
Strand 8
E
111 116anti-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
F
55 61first strand
Strand 2
F
84 90anti-parallel
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There are 8 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
6 8first strand
Strand 2
G
104 110parallel
Strand 3
G
91 99anti-parallel
Strand 4
H
25 32anti-parallel
Strand 5
H
140 148parallel
Strand 6
H
109 114anti-parallel
Strand 7
H
98 102anti-parallel
Strand 8
H
45 49anti-parallel
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There are 8 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
17 24first strand
Strand 2
H
122 129anti-parallel
Strand 3
H
135 139anti-parallel
Strand 4
H
12 17parallel
Strand 5
G
39 48anti-parallel
Strand 6
G
51 58anti-parallel
Strand 7
G
80 86anti-parallel
Strand 8
G
111 116anti-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
H
58 61first strand
Strand 2
H
84 87anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il