Analysis of interatomic Contacts of Structural Units in PDB entry:
1A26


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 1A26 entry

There is 1 chain in PDB entry 1A26 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 662SER 1012
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 14 helices in PDB entry 1A26. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
667 676Right-handed alpha
Helix 2
2
A
679 688Right-handed alpha
Helix 3
3
A
698 700Right-handed 310
Helix 4
4
A
703 721Right-handed alpha
Helix 5
5
A
726 739Right-handed alpha
Helix 6
6
A
755 778Right-handed alpha
Helix 7
7
A
789 797Right-handed alpha
Helix 8
8
A
809 820Right-handed alpha
Helix 9
9
A
824 826Right-handed 310
Helix 10
10
A
844 853Right-handed alpha
Helix 11
11
A
866 875Right-handed 310
Helix 12
12
A
886 888Right-handed 310
Helix 13
13
A
901 907Right-handed alpha
Helix 14
14
A
994 996Right-handed 310
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There are 4 sheets in PDB entry 1A26. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 5 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
799 803first strand
Strand 2
A
829 841anti-parallel
Strand 3
A
997 1009anti-parallel
Strand 4
A
916 925anti-parallel
Strand 5
A
857 863anti-parallel
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There are 4 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
895 897first strand
Strand 2
A
988 991anti-parallel
Strand 3
A
947 950anti-parallel
Strand 4
A
929 932parallel
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There are 2 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
954 956first strand
Strand 2
A
974 976anti-parallel
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There are 2 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
962 964first strand
Strand 2
A
967 969anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il