Analysis of interatomic Contacts of Structural Units in PDB entry:
9I4A


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 9I4A entry

There is 1 chain in PDB entry 9I4A (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 2GLU 274
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 9I4A. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
19 31Right-handed alpha
Helix 2
AA2
A
47 56Right-handed alpha
Helix 3
AA3
A
57 61Right-handed 310
Helix 4
AA4
A
68 82Right-handed alpha
Helix 5
AA5
A
91 98Right-handed alpha
Helix 6
AA6
A
105 115Right-handed alpha
Helix 7
AA7
A
126 136Right-handed alpha
Helix 8
AA8
A
150 154Right-handed 310
Helix 9
AA9
A
155 163Right-handed alpha
Helix 10
AB1
A
180 193Right-handed alpha
Helix 11
AB2
A
205 220Right-handed alpha
Helix 12
AB3
A
234 236Right-handed 310
Helix 13
AB4
A
237 244Right-handed alpha
Helix 14
AB5
A
255 272Right-handed alpha
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There are 4 sheets in PDB entry 9I4A. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4,

There are 5 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
34 37first strand
Strand 2
A
6 11parallel
Strand 3
A
196 200parallel
Strand 4
A
227 230parallel
Strand 5
A
246 250parallel
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There are 2 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
42 45first strand
Strand 2
A
173 176anti-parallel
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There are 2 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
63 66first strand
Strand 2
A
100 103parallel
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There are 2 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
144 148first strand
Strand 2
A
167 171parallel
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