Analysis of interatomic Contacts of Structural Units in PDB entry:
3I2C


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 3I2C entry

There are 2 chains in PDB entry 3I2C (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
L
 ASP 1CYS 218
H
 GLU 1CYS 222
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 3I2C. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
L
83 87Right-handed 310
Helix 2
2
L
125 130Right-handed alpha
Helix 3
3
L
187 192Right-handed alpha
Helix 4
4
H
28 32Right-handed 310
Helix 5
5
H
53 57Right-handed 310
Helix 6
6
H
64 67Right-handed 310
Helix 7
7
H
89 93Right-handed 310
Helix 8
8
H
163 165Right-handed 310
Helix 9
9
H
207 210Right-handed 310
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There are 10 sheets in PDB entry 3I2C. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

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
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 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
L
10 14first strand
Strand 2
L
106 111parallel
Strand 3
L
89 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 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
L
10 14first strand
Strand 2
L
106 111parallel
Strand 3
L
89 94anti-parallel
Strand 4
L
101 102anti-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
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 E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
157 158first strand
Strand 2
L
148 154anti-parallel
Strand 3
L
195 202anti-parallel
Strand 4
L
209 214anti-parallel
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There are 4 strands in F 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
80 85anti-parallel
Strand 4
H
70 75anti-parallel
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There are 6 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
11 12first strand
Strand 2
H
114 118parallel
Strand 3
H
94 101anti-parallel
Strand 4
H
34 39anti-parallel
Strand 5
H
46 51anti-parallel
Strand 6
H
60 62anti-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
H
11 12first strand
Strand 2
H
114 118parallel
Strand 3
H
94 101anti-parallel
Strand 4
H
107 110anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
127 131first strand
Strand 2
H
142 152anti-parallel
Strand 3
H
182 191anti-parallel
Strand 4
H
170 177anti-parallel
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There are 3 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
158 161first strand
Strand 2
H
201 206anti-parallel
Strand 3
H
211 216anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il