Analysis of interatomic Contacts of Structural Units in PDB entry:
8XEP

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 8XEP entry

There are 4 chains in PDB entry 8XEP (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	MET 41	SER 408
B	MET 1	GLY 76
C	MET 1	GLY 76
D	MET 41	SER 408

There are 32 helices in PDB entry 8XEP. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	48	64	Right-handed alpha
Helix 2	AA2	A	70	79	Right-handed alpha
Helix 3	AA3	A	88	99	Right-handed alpha
Helix 4	AA4	A	118	126	Right-handed alpha
Helix 5	AA5	A	172	178	Right-handed alpha
Helix 6	AA6	A	185	211	Right-handed alpha
Helix 7	AA7	A	225	232	Right-handed 310
Helix 8	AA8	A	234	250	Right-handed alpha
Helix 9	AA9	A	321	327	Right-handed 310
Helix 10	AB1	A	330	340	Right-handed alpha
Helix 11	AB2	A	341	348	Right-handed alpha
Helix 12	AB3	A	363	368	Right-handed alpha
Helix 13	AB4	A	375	383	Right-handed alpha
Helix 14	AB5	A	402	408	Right-handed alpha
Helix 15	AB6	B	22	35	Right-handed alpha
Helix 16	AB7	B	37	39	Right-handed 310
Helix 17	AB8	B	56	60	Right-handed 310
Helix 18	AB9	C	22	35	Right-handed alpha
Helix 19	AC1	C	37	39	Right-handed 310
Helix 20	AC2	D	48	64	Right-handed alpha
Helix 21	AC3	D	70	79	Right-handed alpha
Helix 22	AC4	D	88	99	Right-handed alpha
Helix 23	AC5	D	118	127	Right-handed alpha
Helix 24	AC6	D	172	178	Right-handed alpha
Helix 25	AC7	D	185	210	Right-handed alpha
Helix 26	AC8	D	225	232	Right-handed 310
Helix 27	AC9	D	234	250	Right-handed alpha
Helix 28	AD1	D	321	326	Right-handed alpha
Helix 29	AD2	D	331	339	Right-handed alpha
Helix 30	AD3	D	341	348	Right-handed alpha
Helix 31	AD4	D	375	384	Right-handed alpha
Helix 32	AD5	D	403	407	Right-handed alpha

There are 8 sheets in PDB entry 8XEP. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8,

There are 10 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	271	275	first strand
Strand 2	A	278	282	anti-parallel
Strand 3	A	257	263	parallel
Strand 4	A	214	220	parallel
Strand 5	A	306	314	parallel
Strand 6	A	148	161	parallel
Strand 7	A	129	138	anti-parallel
Strand 8	A	44	47	anti-parallel
Strand 9	A	391	394	parallel
Strand 10	A	400	401	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	179	180	first strand
Strand 2	A	183	184	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	352	354	first strand
Strand 2	A	359	361	anti-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	B	12	16	first strand
Strand 2	B	2	6	anti-parallel
Strand 3	B	66	71	parallel
Strand 4	B	41	45	anti-parallel
Strand 5	B	48	50	anti-parallel

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There are 5 strands in AA5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	12	16	first strand
Strand 2	C	2	6	anti-parallel
Strand 3	C	66	71	parallel
Strand 4	C	41	45	anti-parallel
Strand 5	C	48	50	anti-parallel

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There are 10 strands in AA6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	271	275	first strand
Strand 2	D	278	282	anti-parallel
Strand 3	D	257	263	parallel
Strand 4	D	214	220	parallel
Strand 5	D	306	314	parallel
Strand 6	D	148	161	parallel
Strand 7	D	128	138	anti-parallel
Strand 8	D	44	47	anti-parallel
Strand 9	D	391	394	parallel
Strand 10	D	400	402	anti-parallel

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There are 2 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	179	180	first strand
Strand 2	D	183	184	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	D	352	354	first strand
Strand 2	D	359	361	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: 8XEP

Analysis of interatomic Contacts of Structural Units in PDB entry:
8XEP