Analysis of interatomic Contacts of Structural Units in PDB entry:
4USX

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 4USX entry

There are 3 chains in PDB entry 4USX (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	PRO 678	ASN 891
B	GLY 677	VAL 890
C	GLY 677	GLY 892

There are 9 helices in PDB entry 4USX. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	695	707	Right-handed alpha
Helix 2	2	A	738	747	Right-handed alpha
Helix 3	3	A	848	875	Right-handed alpha
Helix 4	4	B	695	707	Right-handed alpha
Helix 5	5	B	738	747	Right-handed alpha
Helix 6	6	B	848	877	Right-handed alpha
Helix 7	7	C	695	707	Right-handed alpha
Helix 8	8	C	738	747	Right-handed alpha
Helix 9	9	C	848	875	Right-handed alpha

There are 16 sheets in PDB entry 4USX. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, BA, AE, BB, BC, BD, CA, BE, CB, CC, CD, CE, CF,

There are 2 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	711	712	first strand
Strand 2	A	719	720	anti-parallel

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There are 2 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	724	727	first strand
Strand 2	A	733	736	anti-parallel

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There are 5 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	754	756	first strand
Strand 2	C	771	773	anti-parallel
Strand 3	C	785	787	parallel
Strand 4	C	818	821	parallel
Strand 5	A	829	832	parallel

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There are 2 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	764	765	first strand
Strand 2	A	778	779	parallel

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There are 5 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	754	757	first strand
Strand 2	A	770	773	anti-parallel
Strand 3	A	785	787	parallel
Strand 4	A	818	821	parallel
Strand 5	B	829	832	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	801	804	first strand
Strand 2	A	807	810	anti-parallel

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There are 2 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	711	712	first strand
Strand 2	B	719	720	anti-parallel

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There are 2 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	724	727	first strand
Strand 2	B	733	736	anti-parallel

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There are 2 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	764	765	first strand
Strand 2	B	778	779	parallel

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There are 5 strands in CA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	754	756	first strand
Strand 2	B	771	773	anti-parallel
Strand 3	B	785	787	parallel
Strand 4	B	818	821	parallel
Strand 5	C	829	832	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	801	804	first strand
Strand 2	B	807	810	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	711	712	first strand
Strand 2	C	719	720	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	724	727	first strand
Strand 2	C	733	736	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	764	765	first strand
Strand 2	C	778	779	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	801	804	first strand
Strand 2	C	807	810	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	882	883	first strand
Strand 2	C	890	891	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: 4USX

Analysis of interatomic Contacts of Structural Units in PDB entry:
4USX