Analysis of interatomic Contacts of Structural Units in PDB entry:
2XN4

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 2XN4 entry

There are 2 chains in PDB entry 2XN4 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	PRO 306	LYS 591
B	PRO 306	LYS 591

There are no helices in PDB entry 2XN4

There are 14 sheets in PDB entry 2XN4. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, AG, BA, BB, BC, BD, BE, BF, BG,

There are 4 strands in AA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	332	336	first strand
Strand 2	A	323	327	anti-parallel
Strand 3	A	307	312	anti-parallel
Strand 4	A	585	590	anti-parallel

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There are 4 strands in AB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	347	351	first strand
Strand 2	A	354	358	anti-parallel
Strand 3	A	370	374	anti-parallel
Strand 4	A	379	383	anti-parallel

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There are 4 strands in AC sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	394	398	first strand
Strand 2	A	401	408	anti-parallel
Strand 3	A	413	421	anti-parallel
Strand 4	A	426	430	anti-parallel

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There are 4 strands in AD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	441	445	first strand
Strand 2	A	448	452	anti-parallel
Strand 3	A	466	470	anti-parallel
Strand 4	A	475	479	anti-parallel

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There are 2 strands in AE sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	455	456	first strand
Strand 2	A	461	462	anti-parallel

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There are 4 strands in AF sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	490	494	first strand
Strand 2	A	497	501	anti-parallel
Strand 3	A	513	517	anti-parallel
Strand 4	A	522	526	anti-parallel

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There are 4 strands in AG sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	537	541	first strand
Strand 2	A	544	548	anti-parallel
Strand 3	A	560	563	anti-parallel
Strand 4	A	570	572	anti-parallel

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There are 4 strands in BA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	332	336	first strand
Strand 2	B	323	327	anti-parallel
Strand 3	B	307	312	anti-parallel
Strand 4	B	585	590	anti-parallel

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There are 4 strands in BB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	347	351	first strand
Strand 2	B	354	358	anti-parallel
Strand 3	B	370	374	anti-parallel
Strand 4	B	379	383	anti-parallel

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There are 4 strands in BC sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	394	398	first strand
Strand 2	B	401	405	anti-parallel
Strand 3	B	417	421	anti-parallel
Strand 4	B	426	430	anti-parallel

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There are 4 strands in BD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	441	445	first strand
Strand 2	B	448	452	anti-parallel
Strand 3	B	466	470	anti-parallel
Strand 4	B	475	478	anti-parallel

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There are 2 strands in BE sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	455	456	first strand
Strand 2	B	461	462	anti-parallel

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There are 4 strands in BF sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	490	494	first strand
Strand 2	B	497	501	anti-parallel
Strand 3	B	513	517	anti-parallel
Strand 4	B	522	526	anti-parallel

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There are 4 strands in BG sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	537	541	first strand
Strand 2	B	544	548	anti-parallel
Strand 3	B	560	563	anti-parallel
Strand 4	B	570	572	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: 2XN4

Analysis of interatomic Contacts of Structural Units in PDB entry:
2XN4