Analysis of interatomic Contacts of Structural Units in PDB entry:
8X9A


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 8X9A entry

There are 3 chains in PDB entry 8X9A (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 74THR 296
B
 ILE 31GLU 244
C
 LYS 7THR 232
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 13 helices in PDB entry 8X9A. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
75 78Right-handed 310
Helix 2
AA2
A
79 84Right-handed alpha
Helix 3
AA3
A
116 124Right-handed alpha
Helix 4
AA4
B
35 37Right-handed 310
Helix 5
AA5
B
83 87Right-handed 310
Helix 6
AA6
B
162 166Right-handed 310
Helix 7
AA7
B
171 178Right-handed 310
Helix 8
AA8
C
42 46Right-handed 310
Helix 9
AA9
C
64 68Right-handed 310
Helix 10
AB1
C
94 98Right-handed 310
Helix 11
AB2
C
99 105Right-handed alpha
Helix 12
AB3
C
106 108Right-handed 310
Helix 13
AB4
C
145 152Right-handed alpha
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There are 9 sheets in PDB entry 8X9A. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9,

There are 4 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
88 95first strand
Strand 2
A
247 263anti-parallel
Strand 3
A
126 140anti-parallel
Strand 4
A
201 202anti-parallel
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There are 4 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
188 192first strand
Strand 2
A
126 140anti-parallel
Strand 3
A
247 263anti-parallel
Strand 4
C
39 40anti-parallel
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There are 4 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
107 110first strand
Strand 2
A
232 237anti-parallel
Strand 3
A
150 156anti-parallel
Strand 4
A
178 182anti-parallel
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There are 5 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
32 33first strand
Strand 2
B
190 195parallel
Strand 3
B
105 111anti-parallel
Strand 4
B
232 241anti-parallel
Strand 5
B
64 65anti-parallel
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There are 5 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
32 33first strand
Strand 2
B
190 195parallel
Strand 3
B
105 111anti-parallel
Strand 4
B
232 241anti-parallel
Strand 5
B
69 71anti-parallel
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There are 5 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
158 159first strand
Strand 2
B
78 82anti-parallel
Strand 3
B
212 223anti-parallel
Strand 4
B
119 128anti-parallel
Strand 5
B
180 182anti-parallel
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There are 4 strands in AA7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
51 52first strand
Strand 2
C
211 220anti-parallel
Strand 3
C
111 121anti-parallel
Strand 4
C
164 173anti-parallel
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There are 4 strands in AA8 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
71 74first strand
Strand 2
C
211 220anti-parallel
Strand 3
C
111 121anti-parallel
Strand 4
C
225 226anti-parallel
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There are 4 strands in AA9 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
84 87first strand
Strand 2
C
193 197anti-parallel
Strand 3
C
131 136anti-parallel
Strand 4
C
154 157anti-parallel
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