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


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 3PHQ entry

There are 2 chains in PDB entry 3PHQ (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ILE 2CYS 217
B
 GLU 1ARG 216
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 9 helices in PDB entry 3PHQ. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
83 87Right-handed 310
Helix 2
2
A
124 130Right-handed alpha
Helix 3
3
A
186 190Right-handed alpha
Helix 4
4
A
215 217Right-handed 310
Helix 5
5
B
28 32Right-handed 310
Helix 6
6
B
52 52Right-handed 310
Helix 7
7
B
83 87Right-handed 310
Helix 8
8
B
159 161Right-handed 310
Helix 9
9
B
203 206Right-handed 310
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There are 9 sheets in PDB entry 3PHQ. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I,

There are 4 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
4 7first strand
Strand 2
A
19 25anti-parallel
Strand 3
A
74 79anti-parallel
Strand 4
A
66 71anti-parallel
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There are 6 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
10 14first strand
Strand 2
A
105 110parallel
Strand 3
A
88 94anti-parallel
Strand 4
A
37 42anti-parallel
Strand 5
A
49 53anti-parallel
Strand 6
A
57 58anti-parallel
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There are 4 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
117 121first strand
Strand 2
A
132 142anti-parallel
Strand 3
A
176 185anti-parallel
Strand 4
A
162 166anti-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
156 158first strand
Strand 2
A
148 153anti-parallel
Strand 3
A
194 200anti-parallel
Strand 4
A
208 213anti-parallel
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There are 4 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
3 7first strand
Strand 2
B
18 25anti-parallel
Strand 3
B
75 80anti-parallel
Strand 4
B
65 70anti-parallel
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There are 6 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
11 12first strand
Strand 2
B
110 114parallel
Strand 3
B
88 94anti-parallel
Strand 4
B
34 39anti-parallel
Strand 5
B
46 51anti-parallel
Strand 6
B
55 57anti-parallel
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There are 4 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
123 127first strand
Strand 2
B
138 148anti-parallel
Strand 3
B
177 187anti-parallel
Strand 4
B
166 168anti-parallel
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There are 4 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
123 127first strand
Strand 2
B
138 148anti-parallel
Strand 3
B
177 187anti-parallel
Strand 4
B
172 174anti-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
154 157first strand
Strand 2
B
197 202anti-parallel
Strand 3
B
207 212anti-parallel
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