Analysis of interatomic Contacts of Structural Units in PDB entry:
9NU1

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 9NU1 entry

There are 4 chains in PDB entry 9NU1 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	LEU 329	PRO 580
C	LEU 329	SER 444
B	VAL 443	GLY 584
S	PRO 173	PRO 290

There are 3 helices in PDB entry 9NU1. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	346	353	Right-handed alpha
Helix 2	AA2	A	465	469	Right-handed 310
Helix 3	AA3	C	346	353	Right-handed alpha

There are 15 sheets in PDB entry 9NU1. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1, AB2, AB3, AB4, AB5, AB6,

There are 4 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	332	335	first strand
Strand 2	A	339	345	anti-parallel
Strand 3	A	376	383	anti-parallel
Strand 4	A	369	372	anti-parallel

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There are 2 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	358	359	first strand
Strand 2	A	408	409	anti-parallel

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There are 4 strands in AA3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	392	395	first strand
Strand 2	A	399	403	anti-parallel
Strand 3	A	418	428	anti-parallel
Strand 4	B	445	453	parallel

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There are 5 strands in AA4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	430	434	first strand
Strand 2	B	563	569	anti-parallel
Strand 3	B	503	509	anti-parallel
Strand 4	B	520	524	anti-parallel
Strand 5	B	527	528	anti-parallel

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There are 2 strands in AA5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	438	440	first strand
Strand 2	B	476	478	parallel

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There are 4 strands in AA6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	445	453	first strand
Strand 2	C	418	428	parallel
Strand 3	C	399	408	anti-parallel
Strand 4	C	392	395	anti-parallel

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There are 4 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	458	463	first strand
Strand 2	A	486	491	anti-parallel
Strand 3	A	545	550	anti-parallel
Strand 4	A	535	538	anti-parallel

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There are 2 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	476	478	first strand
Strand 2	C	438	440	parallel

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There are 5 strands in AA9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	527	528	first strand
Strand 2	A	520	524	anti-parallel
Strand 3	A	499	509	anti-parallel
Strand 4	A	563	572	anti-parallel
Strand 5	C	431	434	anti-parallel

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There are 4 strands in AB1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	332	335	first strand
Strand 2	C	339	345	anti-parallel
Strand 3	C	376	383	anti-parallel
Strand 4	C	369	372	anti-parallel

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There are 2 strands in AB2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	413	414	first strand
Strand 2	B	554	555	anti-parallel

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There are 4 strands in AB3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	458	462	first strand
Strand 2	B	484	491	anti-parallel
Strand 3	B	546	551	anti-parallel
Strand 4	B	536	539	anti-parallel

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There are 2 strands in AB4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	499	500	first strand
Strand 2	B	571	572	anti-parallel

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There are 4 strands in AB5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	S	178	181	first strand
Strand 2	S	201	206	parallel
Strand 3	S	272	276	anti-parallel
Strand 4	S	264	266	anti-parallel

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There are 4 strands in AB6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	S	254	262	first strand
Strand 2	S	245	251	anti-parallel
Strand 3	S	227	230	anti-parallel
Strand 4	S	284	286	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: 9NU1

Analysis of interatomic Contacts of Structural Units in PDB entry:
9NU1