Analysis of interatomic Contacts of Structural Units in PDB entry:
7ER1

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 7ER1 entry

There are 4 chains in PDB entry 7ER1 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	PRO 231	THR 533
B	PRO 231	THR 533
C	PRO 231	THR 533
D	PRO 231	THR 533

There are 24 helices in PDB entry 7ER1. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	238	242	Right-handed 310
Helix 2	AA2	A	284	288	Right-handed 310
Helix 3	AA3	A	345	349	Right-handed 310
Helix 4	AA4	A	361	364	Right-handed 310
Helix 5	AA5	A	453	464	Right-handed alpha
Helix 6	AA6	A	505	510	Right-handed 310
Helix 7	AA7	B	238	242	Right-handed 310
Helix 8	AA8	B	284	288	Right-handed 310
Helix 9	AA9	B	345	349	Right-handed 310
Helix 10	AB1	B	361	364	Right-handed 310
Helix 11	AB2	B	453	464	Right-handed alpha
Helix 12	AB3	B	505	510	Right-handed 310
Helix 13	AB4	C	238	242	Right-handed 310
Helix 14	AB5	C	284	288	Right-handed 310
Helix 15	AB6	C	345	349	Right-handed 310
Helix 16	AB7	C	361	364	Right-handed 310
Helix 17	AB8	C	453	464	Right-handed alpha
Helix 18	AB9	C	505	510	Right-handed 310
Helix 19	AC1	D	238	242	Right-handed 310
Helix 20	AC2	D	284	288	Right-handed 310
Helix 21	AC3	D	345	349	Right-handed 310
Helix 22	AC4	D	361	364	Right-handed 310
Helix 23	AC5	D	453	464	Right-handed alpha
Helix 24	AC6	D	505	510	Right-handed 310

There are 12 sheets in PDB entry 7ER1. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1, AB2, AB3,

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	253	255	first strand
Strand 2	A	432	436	anti-parallel
Strand 3	A	447	450	anti-parallel

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There are 6 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	350	354	first strand
Strand 2	A	332	339	anti-parallel
Strand 3	A	380	389	anti-parallel
Strand 4	A	290	298	anti-parallel
Strand 5	A	301	307	anti-parallel
Strand 6	A	366	368	anti-parallel

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There are 5 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	429	430	first strand
Strand 2	A	496	498	anti-parallel
Strand 3	A	483	490	anti-parallel
Strand 4	A	471	478	anti-parallel
Strand 5	A	515	522	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	B	253	255	first strand
Strand 2	B	432	436	anti-parallel
Strand 3	B	447	450	anti-parallel

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There are 6 strands in AA5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	350	354	first strand
Strand 2	B	331	339	anti-parallel
Strand 3	B	380	390	anti-parallel
Strand 4	B	290	298	anti-parallel
Strand 5	B	301	307	anti-parallel
Strand 6	B	366	368	anti-parallel

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There are 5 strands in AA6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	429	430	first strand
Strand 2	B	496	498	anti-parallel
Strand 3	B	484	490	anti-parallel
Strand 4	B	471	477	anti-parallel
Strand 5	B	515	522	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	C	253	255	first strand
Strand 2	C	432	436	anti-parallel
Strand 3	C	447	450	anti-parallel

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There are 6 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	350	354	first strand
Strand 2	C	331	339	anti-parallel
Strand 3	C	380	390	anti-parallel
Strand 4	C	290	298	anti-parallel
Strand 5	C	301	307	anti-parallel
Strand 6	C	366	368	anti-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	C	429	430	first strand
Strand 2	C	496	498	anti-parallel
Strand 3	C	483	490	anti-parallel
Strand 4	C	471	478	anti-parallel
Strand 5	C	515	522	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	D	253	255	first strand
Strand 2	D	432	436	anti-parallel
Strand 3	D	447	450	anti-parallel

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There are 6 strands in AB2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	350	354	first strand
Strand 2	D	332	339	anti-parallel
Strand 3	D	380	389	anti-parallel
Strand 4	D	290	298	anti-parallel
Strand 5	D	301	307	anti-parallel
Strand 6	D	366	368	anti-parallel

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There are 5 strands in AB3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	429	430	first strand
Strand 2	D	496	498	anti-parallel
Strand 3	D	484	490	anti-parallel
Strand 4	D	471	477	anti-parallel
Strand 5	D	515	522	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: 7ER1

Analysis of interatomic Contacts of Structural Units in PDB entry:
7ER1