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


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 9ECI entry

There are 2 chains in PDB entry 9ECI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
H
 GLN 1PRO 216
L
 ASP 1GLU 219
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 9ECI. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
H
28 32Right-handed 310
Helix 2
AA2
H
74 76Right-handed 310
Helix 3
AA3
H
87 91Right-handed 310
Helix 4
AA4
H
159 161Right-handed 310
Helix 5
AA5
H
190 192Right-handed 310
Helix 6
AA6
H
204 207Right-handed 310
Helix 7
AA7
L
85 89Right-handed 310
Helix 8
AA8
L
127 132Right-handed alpha
Helix 9
AA9
L
189 195Right-handed alpha
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There are 10 sheets in PDB entry 9ECI. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1,

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
H
3 6first 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 6 strands in AA2 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
110 114parallel
Strand 3
H
92 98anti-parallel
Strand 4
H
34 39anti-parallel
Strand 5
H
46 51anti-parallel
Strand 6
H
58 60anti-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
H
123 127first strand
Strand 2
H
138 148anti-parallel
Strand 3
H
179 188anti-parallel
Strand 4
H
166 168anti-parallel
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There are 4 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
123 127first strand
Strand 2
H
138 148anti-parallel
Strand 3
H
179 188anti-parallel
Strand 4
H
172 173anti-parallel
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There are 3 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
154 157first strand
Strand 2
H
198 203anti-parallel
Strand 3
H
208 213anti-parallel
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There are 4 strands in AA6 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
76 81anti-parallel
Strand 4
L
68 73anti-parallel
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There are 6 strands in AA7 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
108 113parallel
Strand 3
L
90 96anti-parallel
Strand 4
L
39 44anti-parallel
Strand 5
L
51 55anti-parallel
Strand 6
L
59 60anti-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
L
10 14first strand
Strand 2
L
108 113parallel
Strand 3
L
90 96anti-parallel
Strand 4
L
103 104anti-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
L
120 124first strand
Strand 2
L
135 145anti-parallel
Strand 3
L
179 188anti-parallel
Strand 4
L
165 169anti-parallel
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There are 4 strands in AB1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
159 160first strand
Strand 2
L
151 156anti-parallel
Strand 3
L
197 203anti-parallel
Strand 4
L
211 216anti-parallel
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