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

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 1USX entry

There are 3 chains in PDB entry 1USX (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLY 124	GLY 570
B	GLY 124	GLY 570
C	GLY 124	GLY 570

There are 20 helices in PDB entry 1USX. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	147	149	Right-handed 310
Helix 2	2	A	257	262	Right-handed alpha
Helix 3	3	A	287	292	Right-handed alpha
Helix 4	4	A	324	329	Right-handed alpha
Helix 5	5	A	347	357	Right-handed alpha
Helix 6	6	A	358	360	Right-handed 310
Helix 7	7	A	361	365	Right-handed 310
Helix 8	8	B	147	149	Right-handed 310
Helix 9	9	B	257	263	Right-handed alpha
Helix 10	10	B	287	292	Right-handed alpha
Helix 11	11	B	324	331	Right-handed alpha
Helix 12	12	B	347	358	Right-handed alpha
Helix 13	13	B	361	365	Right-handed 310
Helix 14	14	C	129	133	Right-handed 310
Helix 15	15	C	147	149	Right-handed 310
Helix 16	16	C	257	262	Right-handed alpha
Helix 17	17	C	287	292	Right-handed alpha
Helix 18	18	C	324	330	Right-handed alpha
Helix 19	19	C	347	358	Right-handed alpha
Helix 20	20	C	361	365	Right-handed 310

There are 21 sheets in PDB entry 1USX. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, AG, AH, BA, BB, BC, BD, BE, BF, BG, CA, CB, CC, CD, CE, CF,

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	141	142	first strand
Strand 2	A	473	478	parallel
Strand 3	A	484	490	anti-parallel
Strand 4	A	503	506	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	151	153	first strand
Strand 2	A	556	567	anti-parallel
Strand 3	A	539	549	anti-parallel
Strand 4	A	524	534	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	172	180	first strand
Strand 2	A	185	192	anti-parallel
Strand 3	A	203	213	anti-parallel
Strand 4	A	219	229	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	235	243	first strand
Strand 2	A	246	253	anti-parallel
Strand 3	A	270	276	anti-parallel
Strand 4	A	281	285	anti-parallel

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There are 3 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	295	300	first strand
Strand 2	A	311	320	anti-parallel
Strand 3	A	306	308	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	295	300	first strand
Strand 2	A	311	320	anti-parallel
Strand 3	A	368	377	anti-parallel
Strand 4	A	387	389	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	402	407	first strand
Strand 2	A	410	415	anti-parallel
Strand 3	A	424	432	anti-parallel
Strand 4	A	442	444	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	402	407	first strand
Strand 2	A	410	415	anti-parallel
Strand 3	A	424	432	anti-parallel
Strand 4	A	435	438	anti-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	141	142	first strand
Strand 2	B	474	478	parallel
Strand 3	B	484	492	anti-parallel
Strand 4	B	501	506	anti-parallel
Strand 5	B	515	516	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	151	153	first strand
Strand 2	B	556	567	anti-parallel
Strand 3	B	539	549	anti-parallel
Strand 4	B	524	534	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	172	180	first strand
Strand 2	B	185	192	anti-parallel
Strand 3	B	203	213	anti-parallel
Strand 4	B	219	229	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	235	242	first strand
Strand 2	B	246	253	anti-parallel
Strand 3	B	269	276	anti-parallel
Strand 4	B	281	286	anti-parallel

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There are 3 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	295	300	first strand
Strand 2	B	311	320	anti-parallel
Strand 3	B	306	308	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	295	300	first strand
Strand 2	B	311	320	anti-parallel
Strand 3	B	368	377	anti-parallel
Strand 4	B	384	389	anti-parallel

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There are 7 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	402	407	first strand
Strand 2	B	410	415	anti-parallel
Strand 3	B	424	432	anti-parallel
Strand 4	B	435	438	anti-parallel
Strand 5	B	424	432	anti-parallel
Strand 6	B	442	444	anti-parallel
Strand 7	B	424	432	anti-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	141	142	first strand
Strand 2	C	474	478	parallel
Strand 3	C	484	492	anti-parallel
Strand 4	C	501	507	anti-parallel
Strand 5	C	511	516	anti-parallel

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There are 4 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	151	153	first strand
Strand 2	C	556	567	anti-parallel
Strand 3	C	539	549	anti-parallel
Strand 4	C	524	534	anti-parallel

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There are 4 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	172	180	first strand
Strand 2	C	185	192	anti-parallel
Strand 3	C	203	213	anti-parallel
Strand 4	C	219	229	anti-parallel

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There are 4 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	235	243	first strand
Strand 2	C	246	253	anti-parallel
Strand 3	C	269	275	anti-parallel
Strand 4	C	281	285	anti-parallel

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There are 7 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	295	300	first strand
Strand 2	C	311	320	anti-parallel
Strand 3	C	306	308	anti-parallel
Strand 4	C	311	320	anti-parallel
Strand 5	C	384	389	first strand
Strand 6	C	368	377	anti-parallel
Strand 7	C	311	320	anti-parallel

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There are 7 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	402	407	first strand
Strand 2	C	410	415	anti-parallel
Strand 3	C	424	430	anti-parallel
Strand 4	C	437	438	anti-parallel
Strand 5	C	424	430	anti-parallel
Strand 6	C	442	444	anti-parallel
Strand 7	C	424	430	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: 1USX

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