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

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 7ERP entry

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

Chain ID	Initial residue	Terminal residue
A	ALA 90	LEU 288
B	ALA 90	LEU 288
C	ALA 90	LEU 288
D	ILE 91	LEU 288

There are 38 helices in PDB entry 7ERP. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	96	103	Right-handed alpha
Helix 2	AA2	A	103	115	Right-handed alpha
Helix 3	AA3	A	126	136	Right-handed alpha
Helix 4	AA4	A	171	175	Right-handed 310
Helix 5	AA5	A	179	185	Right-handed alpha
Helix 6	AA6	A	195	205	Right-handed alpha
Helix 7	AA7	A	206	209	Right-handed 310
Helix 8	AA8	A	220	230	Right-handed alpha
Helix 9	AA9	A	242	249	Right-handed alpha
Helix 10	AB1	A	278	284	Right-handed alpha
Helix 11	AB2	B	97	103	Right-handed alpha
Helix 12	AB3	B	103	115	Right-handed alpha
Helix 13	AB4	B	126	136	Right-handed alpha
Helix 14	AB5	B	171	175	Right-handed 310
Helix 15	AB6	B	179	185	Right-handed alpha
Helix 16	AB7	B	195	205	Right-handed alpha
Helix 17	AB8	B	220	230	Right-handed alpha
Helix 18	AB9	B	242	249	Right-handed alpha
Helix 19	AC1	B	276	286	Right-handed alpha
Helix 20	AC2	C	97	103	Right-handed alpha
Helix 21	AC3	C	103	115	Right-handed alpha
Helix 22	AC4	C	126	136	Right-handed alpha
Helix 23	AC5	C	171	175	Right-handed 310
Helix 24	AC6	C	179	185	Right-handed alpha
Helix 25	AC7	C	195	205	Right-handed alpha
Helix 26	AC8	C	206	209	Right-handed 310
Helix 27	AC9	C	220	230	Right-handed alpha
Helix 28	AD1	C	239	249	Right-handed alpha
Helix 29	AD2	C	278	285	Right-handed alpha
Helix 30	AD3	D	96	103	Right-handed alpha
Helix 31	AD4	D	103	113	Right-handed alpha
Helix 32	AD5	D	126	136	Right-handed alpha
Helix 33	AD6	D	181	182	Right-handed 310
Helix 34	AD7	D	184	186	Right-handed 310
Helix 35	AD8	D	195	205	Right-handed alpha
Helix 36	AD9	D	220	230	Right-handed alpha
Helix 37	AE1	D	239	249	Right-handed alpha
Helix 38	AE2	D	278	285	Right-handed alpha

There are 12 sheets in PDB entry 7ERP. 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 6 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	120	124	first strand
Strand 2	A	91	95	parallel
Strand 3	A	141	144	parallel
Strand 4	A	261	270	anti-parallel
Strand 5	A	153	167	anti-parallel
Strand 6	A	235	238	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	120	124	first strand
Strand 2	A	91	95	parallel
Strand 3	A	141	144	parallel
Strand 4	A	261	270	anti-parallel
Strand 5	A	153	167	anti-parallel
Strand 6	A	252	253	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	187	191	first strand
Strand 2	A	213	218	parallel

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There are 6 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	120	125	first strand
Strand 2	B	91	96	parallel
Strand 3	B	141	144	parallel
Strand 4	B	262	270	anti-parallel
Strand 5	B	153	167	anti-parallel
Strand 6	B	234	238	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	120	125	first strand
Strand 2	B	91	96	parallel
Strand 3	B	141	144	parallel
Strand 4	B	262	270	anti-parallel
Strand 5	B	153	167	anti-parallel
Strand 6	B	252	253	anti-parallel

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There are 2 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	188	191	first strand
Strand 2	B	214	218	parallel

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There are 6 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	121	125	first strand
Strand 2	C	92	96	parallel
Strand 3	C	141	144	parallel
Strand 4	C	261	270	anti-parallel
Strand 5	C	153	167	anti-parallel
Strand 6	C	235	238	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	121	125	first strand
Strand 2	C	92	96	parallel
Strand 3	C	141	144	parallel
Strand 4	C	261	270	anti-parallel
Strand 5	C	153	167	anti-parallel
Strand 6	C	252	253	anti-parallel

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There are 2 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	187	191	first strand
Strand 2	C	213	218	parallel

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There are 6 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	121	124	first strand
Strand 2	D	92	95	parallel
Strand 3	D	141	144	parallel
Strand 4	D	262	270	anti-parallel
Strand 5	D	153	167	anti-parallel
Strand 6	D	235	238	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	121	124	first strand
Strand 2	D	92	95	parallel
Strand 3	D	141	144	parallel
Strand 4	D	262	270	anti-parallel
Strand 5	D	153	167	anti-parallel
Strand 6	D	252	253	anti-parallel

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There are 2 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	189	191	first strand
Strand 2	D	216	218	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: 7ERP

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