Analysis of interatomic Contacts of Structural Units in PDB entry:
1MA3


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 1MA3 entry

There are 3 chains in PDB entry 1MA3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1GLU 252
B
 ARG 8LYS 10
B
 LEU 12THR 16
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 12 helices in PDB entry 1MA3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
2 14Right-handed alpha
Helix 2
2
A
24 26Right-handed 310
Helix 3
3
A
53 56Right-handed alpha
Helix 4
4
A
61 69Right-handed alpha
Helix 5
5
A
71 74Right-handed alpha
Helix 6
6
A
81 90Right-handed alpha
Helix 7
7
A
105 108Right-handed alpha
Helix 8
8
A
139 143Right-handed alpha
Helix 9
9
A
171 183Right-handed alpha
Helix 10
10
A
199 208Right-handed alpha
Helix 11
11
A
224 226Right-handed 310
Helix 12
12
A
235 250Right-handed alpha
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There are 3 sheets in PDB entry 1MA3. Click on sheet of interest to get list of strands forming it: A, B, C,

There are 6 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
114 116first strand
Strand 2
A
94 99parallel
Strand 3
A
18 22parallel
Strand 4
A
186 190parallel
Strand 5
A
212 217parallel
Strand 6
A
229 232parallel
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There are 2 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
123 126first strand
Strand 2
A
158 160anti-parallel
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There are 3 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
195 197first strand
Strand 2
B
9 14anti-parallel
Strand 3
A
166 169anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il