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

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 5IRB entry

There are 2 chains in PDB entry 5IRB (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	LEU 182	ASP 494
B	ASN 183	GLU 496

There are 12 helices in PDB entry 5IRB. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	203	208	Right-handed alpha
Helix 2	AA2	A	252	258	Right-handed alpha
Helix 3	AA3	A	309	312	Right-handed 310
Helix 4	AA4	A	356	362	Right-handed alpha
Helix 5	AA5	A	410	416	Right-handed alpha
Helix 6	AA6	A	460	466	Right-handed alpha
Helix 7	AA7	B	203	208	Right-handed alpha
Helix 8	AA8	B	252	258	Right-handed alpha
Helix 9	AA9	B	309	312	Right-handed 310
Helix 10	AB1	B	356	362	Right-handed alpha
Helix 11	AB2	B	411	416	Right-handed alpha
Helix 12	AB3	B	460	466	Right-handed alpha

There are 18 sheets in PDB entry 5IRB. 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, AB7, AB8, AB9,

There are 3 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	189	193	first strand
Strand 2	A	210	219	anti-parallel
Strand 3	A	245	251	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	201	202	first strand
Strand 2	A	286	287	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	234	239	first strand
Strand 2	A	224	231	anti-parallel
Strand 3	A	262	270	anti-parallel
Strand 4	A	276	284	anti-parallel

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There are 3 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	293	297	first strand
Strand 2	A	314	323	anti-parallel
Strand 3	A	349	355	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	305	306	first strand
Strand 2	A	388	389	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	338	343	first strand
Strand 2	A	330	335	anti-parallel
Strand 3	A	364	372	anti-parallel
Strand 4	A	378	386	anti-parallel

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There are 3 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	397	400	first strand
Strand 2	A	417	425	anti-parallel
Strand 3	A	453	459	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	408	409	first strand
Strand 2	A	492	493	parallel

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There are 4 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	442	447	first strand
Strand 2	A	434	439	anti-parallel
Strand 3	A	468	476	anti-parallel
Strand 4	A	482	490	anti-parallel

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There are 3 strands in AB1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	189	193	first strand
Strand 2	B	210	219	anti-parallel
Strand 3	B	245	251	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	B	201	202	first strand
Strand 2	B	286	287	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	234	239	first strand
Strand 2	B	224	231	anti-parallel
Strand 3	B	262	270	anti-parallel
Strand 4	B	276	284	anti-parallel

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There are 3 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	293	297	first strand
Strand 2	B	314	323	anti-parallel
Strand 3	B	349	355	anti-parallel

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There are 2 strands in AB5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	305	307	first strand
Strand 2	B	388	390	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	B	338	343	first strand
Strand 2	B	330	335	anti-parallel
Strand 3	B	364	372	anti-parallel
Strand 4	B	378	386	anti-parallel

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There are 3 strands in AB7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	397	400	first strand
Strand 2	B	417	425	anti-parallel
Strand 3	B	453	459	anti-parallel

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There are 2 strands in AB8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	408	410	first strand
Strand 2	B	492	494	parallel

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There are 4 strands in AB9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	442	447	first strand
Strand 2	B	434	439	anti-parallel
Strand 3	B	468	476	anti-parallel
Strand 4	B	482	490	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: 5IRB

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