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

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 9ERH entry

There are 2 chains in PDB entry 9ERH (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	MET 1	ASN 347
B	MET 1	ASN 347

There are 8 helices in PDB entry 9ERH. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	14	18	Right-handed 310
Helix 2	AA2	A	128	132	Right-handed 310
Helix 3	AA3	A	297	301	Right-handed 310
Helix 4	AA4	A	339	346	Right-handed alpha
Helix 5	AA5	B	14	18	Right-handed 310
Helix 6	AA6	B	128	132	Right-handed 310
Helix 7	AA7	B	297	301	Right-handed 310
Helix 8	AA8	B	339	346	Right-handed alpha

There are 16 sheets in PDB entry 9ERH. 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,

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	5	6	first strand
Strand 2	A	331	338	anti-parallel
Strand 3	A	320	327	anti-parallel
Strand 4	A	309	317	anti-parallel

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There are 3 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	26	38	first strand
Strand 2	A	41	51	anti-parallel
Strand 3	A	101	109	anti-parallel

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There are 2 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	58	64	first strand
Strand 2	A	70	76	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	82	83	first strand
Strand 2	A	89	92	anti-parallel
Strand 3	A	95	98	anti-parallel

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There are 4 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	135	142	first strand
Strand 2	A	147	154	anti-parallel
Strand 3	A	159	166	anti-parallel
Strand 4	A	173	179	anti-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	183	188	first strand
Strand 2	A	197	203	anti-parallel
Strand 3	A	213	218	anti-parallel
Strand 4	A	225	231	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	242	244	first strand
Strand 2	A	256	263	anti-parallel
Strand 3	A	250	251	anti-parallel

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There are 4 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	242	244	first strand
Strand 2	A	256	263	anti-parallel
Strand 3	A	269	276	anti-parallel
Strand 4	A	284	287	anti-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	B	5	6	first strand
Strand 2	B	331	338	anti-parallel
Strand 3	B	320	327	anti-parallel
Strand 4	B	309	317	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	26	38	first strand
Strand 2	B	41	51	anti-parallel
Strand 3	B	101	109	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	58	64	first strand
Strand 2	B	70	76	anti-parallel

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There are 3 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	82	83	first strand
Strand 2	B	89	92	anti-parallel
Strand 3	B	95	98	anti-parallel

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There are 4 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	135	142	first strand
Strand 2	B	147	154	anti-parallel
Strand 3	B	159	166	anti-parallel
Strand 4	B	173	179	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	B	183	188	first strand
Strand 2	B	197	203	anti-parallel
Strand 3	B	213	218	anti-parallel
Strand 4	B	225	231	anti-parallel

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There are 3 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	242	244	first strand
Strand 2	B	256	263	anti-parallel
Strand 3	B	250	251	anti-parallel

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There are 4 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	242	244	first strand
Strand 2	B	256	263	anti-parallel
Strand 3	B	269	276	anti-parallel
Strand 4	B	284	287	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: 9ERH

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