Analysis of interatomic Contacts of Structural Units in PDB entry:
5CN1

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).
This page provides analyses of contacts formed by:

chains
helices
sheets
residues

For analysis of ligand-protein contacts, use:

LPC software

3D structure can be seen in additional window with STING software for 5CN1 entry

There are 4 chains in PDB entry 5CN1 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLN 443	PRO 555
B	GLN 443	PRO 555
C	GLN 443	PRO 555
D	GLN 443	THR 556

There are 3 helices in PDB entry 5CN1. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	522	527	Right-handed alpha
Helix 2	AA2	B	523	528	Right-handed alpha
Helix 3	AA3	D	523	527	Right-handed 310

There are 5 sheets in PDB entry 5CN1. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5,

There are 10 strands in AA1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	444	449	first strand
Strand 2	A	453	461	anti-parallel
Strand 3	A	466	475	anti-parallel
Strand 4	A	514	521	anti-parallel
Strand 5	A	495	498	anti-parallel
Strand 6	C	495	501	anti-parallel
Strand 7	C	510	521	anti-parallel
Strand 8	C	466	475	anti-parallel
Strand 9	C	453	461	anti-parallel
Strand 10	C	445	449	anti-parallel

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There are 3 strands in AA2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	482	488	first strand
Strand 2	A	532	541	anti-parallel
Strand 3	A	544	553	anti-parallel

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There are 10 strands in AA3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	444	449	first strand
Strand 2	B	453	461	anti-parallel
Strand 3	B	466	475	anti-parallel
Strand 4	B	514	522	anti-parallel
Strand 5	B	494	498	anti-parallel
Strand 6	D	495	498	anti-parallel
Strand 7	D	514	521	anti-parallel
Strand 8	D	466	475	anti-parallel
Strand 9	D	453	461	anti-parallel
Strand 10	D	445	449	anti-parallel

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There are 6 strands in AA4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	545	554	first strand
Strand 2	B	531	540	anti-parallel
Strand 3	B	482	488	anti-parallel
Strand 4	D	482	489	anti-parallel
Strand 5	D	532	540	anti-parallel
Strand 6	D	545	553	anti-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	C	482	488	first strand
Strand 2	C	531	540	anti-parallel
Strand 3	C	545	554	anti-parallel

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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il

Analysis of interatomic Contacts of Structural Units in PDB entry: 5CN1

Analysis of interatomic Contacts of Structural Units in PDB entry:
5CN1