Analysis of interatomic Contacts of Structural Units in PDB entry:
3GFA


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 3GFA entry

There are 2 chains in PDB entry 3GFA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MSE 1ARG 197
B
 ILE 2ARG 197
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 20 helices in PDB entry 3GFA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
1 9Right-handed alpha
Helix 2
2
A
21 34Right-handed alpha
Helix 3
3
A
37 41Right-handed 310
Helix 4
4
A
53 70Right-handed alpha
Helix 5
5
A
75 80Right-handed 310
Helix 6
6
A
81 95Right-handed alpha
Helix 7
7
A
114 142Right-handed alpha
Helix 8
8
A
150 154Right-handed 310
Helix 9
9
A
155 164Right-handed alpha
Helix 10
10
A
189 193Right-handed alpha
Helix 11
11
B
2 9Right-handed alpha
Helix 12
12
B
21 34Right-handed alpha
Helix 13
13
B
37 41Right-handed 310
Helix 14
14
B
50 70Right-handed alpha
Helix 15
15
B
75 80Right-handed 310
Helix 16
16
B
81 95Right-handed alpha
Helix 17
17
B
114 142Right-handed alpha
Helix 18
18
B
150 154Right-handed 310
Helix 19
19
B
155 164Right-handed alpha
Helix 20
20
B
189 193Right-handed alpha
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There are 2 sheets in PDB entry 3GFA. Click on sheet of interest to get list of strands forming it: A, B,

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
145 149first strand
Strand 2
A
168 176anti-parallel
Strand 3
A
97 103anti-parallel
Strand 4
A
44 49anti-parallel
Strand 5
B
194 197parallel
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There are 5 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
194 197first strand
Strand 2
B
44 49parallel
Strand 3
B
97 103anti-parallel
Strand 4
B
168 176anti-parallel
Strand 5
B
145 149anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il