Analysis of interatomic Contacts of Structural Units in PDB entry:
2XA8


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 2XA8 entry

There are 2 chains in PDB entry 2XA8 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
H
 GLU 1VAL 219
L
 ASP 1CYS 218
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 8 helices in PDB entry 2XA8. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
H
62 65Right-handed 310
Helix 2
2
H
87 91Right-handed 310
Helix 3
3
H
135 139Right-handed 310
Helix 4
4
H
193 197Right-handed 310
Helix 5
5
H
209 212Right-handed 310
Helix 6
6
L
83 87Right-handed 310
Helix 7
7
L
125 130Right-handed alpha
Helix 8
8
L
187 192Right-handed alpha
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There are 15 sheets in PDB entry 2XA8. Click on sheet of interest to get list of strands forming it: HA, HB, HC, HD, HE, HF, HG, HH, LA, LB, LC, LD, LE, LF, LG,

There are 4 strands in HA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
3 7first strand
Strand 2
H
18 25anti-parallel
Strand 3
H
78 83anti-parallel
Strand 4
H
68 73anti-parallel
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There are 4 strands in HB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
10 12first strand
Strand 2
H
115 119parallel
Strand 3
H
92 98anti-parallel
Strand 4
H
110 111anti-parallel
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There are 6 strands in HC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
10 12first strand
Strand 2
H
115 119parallel
Strand 3
H
92 98anti-parallel
Strand 4
H
34 40anti-parallel
Strand 5
H
46 53anti-parallel
Strand 6
H
58 60anti-parallel
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There are 2 strands in HD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
110 111first strand
Strand 2
H
92 98anti-parallel
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There are 4 strands in HE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
128 132first strand
Strand 2
H
144 153anti-parallel
Strand 3
H
184 192anti-parallel
Strand 4
H
177 178parallel
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There are 4 strands in HF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
128 132first strand
Strand 2
H
144 153anti-parallel
Strand 3
H
184 192anti-parallel
Strand 4
H
171 173anti-parallel
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There are 2 strands in HG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
177 178first strand
Strand 2
H
184 192parallel
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There are 3 strands in HH sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
159 162first strand
Strand 2
H
203 208anti-parallel
Strand 3
H
213 218anti-parallel
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There are 4 strands in LA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
4 7first strand
Strand 2
L
19 25anti-parallel
Strand 3
L
74 79anti-parallel
Strand 4
L
66 71anti-parallel
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There are 4 strands in LB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
10 14first strand
Strand 2
L
106 111parallel
Strand 3
L
88 94anti-parallel
Strand 4
L
101 102anti-parallel
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There are 6 strands in LC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
10 14first strand
Strand 2
L
106 111parallel
Strand 3
L
88 94anti-parallel
Strand 4
L
37 42anti-parallel
Strand 5
L
49 53anti-parallel
Strand 6
L
57 58anti-parallel
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There are 2 strands in LD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
101 102first strand
Strand 2
L
88 94anti-parallel
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There are 2 strands in LE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
30 31first strand
Strand 2
L
34 35anti-parallel
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There are 4 strands in LF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
118 122first strand
Strand 2
L
133 143anti-parallel
Strand 3
L
177 186anti-parallel
Strand 4
L
163 167anti-parallel
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There are 4 strands in LG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
157 159first strand
Strand 2
L
149 154anti-parallel
Strand 3
L
195 201anti-parallel
Strand 4
L
209 214anti-parallel
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