Analysis of interatomic Contacts of Structural Units in PDB entry:
6EPK

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 6EPK entry

There are 4 chains in PDB entry 6EPK (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ALA 1	LYS 407
B	VAL 501	SER 580
D	ALA 1	LYS 407
E	VAL 501	SER 580

There are 16 helices in PDB entry 6EPK. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	1	6	Right-handed 310
Helix 2	AA2	A	82	87	Right-handed 310
Helix 3	AA3	A	148	150	Right-handed 310
Helix 4	AA4	A	151	156	Right-handed alpha
Helix 5	AA5	A	207	212	Right-handed alpha
Helix 6	AA6	A	227	230	Right-handed 310
Helix 7	AA7	A	250	259	Right-handed alpha
Helix 8	AA8	B	515	519	Right-handed 310
Helix 9	AA9	D	1	6	Right-handed 310
Helix 10	AB1	D	82	86	Right-handed 310
Helix 11	AB2	D	148	150	Right-handed 310
Helix 12	AB3	D	151	156	Right-handed alpha
Helix 13	AB4	D	207	212	Right-handed alpha
Helix 14	AB5	D	227	230	Right-handed 310
Helix 15	AB6	D	250	260	Right-handed alpha
Helix 16	AB7	E	515	519	Right-handed 310

There are 22 sheets in PDB entry 6EPK. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V,

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	398	400	first strand
Strand 2	A	9	13	parallel
Strand 3	A	30	34	parallel
Strand 4	A	41	50	anti-parallel
Strand 5	A	135	143	anti-parallel
Strand 6	A	157	162	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	20	26	first strand
Strand 2	A	280	286	anti-parallel
Strand 3	A	176	185	anti-parallel
Strand 4	A	168	172	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	49	51	first strand
Strand 2	A	273	275	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	68	73	first strand
Strand 2	A	109	118	anti-parallel
Strand 3	A	90	99	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	262	264	first strand
Strand 2	A	201	206	anti-parallel
Strand 3	A	193	198	anti-parallel
Strand 4	A	124	129	anti-parallel
Strand 5	A	55	60	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	232	234	first strand
Strand 2	A	244	246	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	361	367	first strand
Strand 2	A	318	324	anti-parallel
Strand 3	A	305	308	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	334	337	first strand
Strand 2	A	372	378	anti-parallel
Strand 3	A	385	391	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	62	66	first strand
Strand 2	A	118	123	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	502	506	first strand
Strand 2	B	509	513	anti-parallel
Strand 3	B	571	576	parallel
Strand 4	B	544	548	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	522	525	first strand
Strand 2	B	528	532	anti-parallel
Strand 3	B	563	566	anti-parallel
Strand 4	B	550	552	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	398	400	first strand
Strand 2	D	9	14	parallel
Strand 3	D	30	35	parallel
Strand 4	D	41	50	anti-parallel
Strand 5	D	135	143	anti-parallel
Strand 6	D	157	162	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	20	26	first strand
Strand 2	D	280	286	anti-parallel
Strand 3	D	176	185	anti-parallel
Strand 4	D	168	172	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	49	51	first strand
Strand 2	D	273	275	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	68	73	first strand
Strand 2	D	109	118	anti-parallel
Strand 3	D	90	99	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	262	264	first strand
Strand 2	D	201	206	anti-parallel
Strand 3	D	193	198	anti-parallel
Strand 4	D	124	129	anti-parallel
Strand 5	D	55	60	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	232	234	first strand
Strand 2	D	244	246	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	361	367	first strand
Strand 2	D	318	324	anti-parallel
Strand 3	D	305	308	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	334	337	first strand
Strand 2	D	372	378	anti-parallel
Strand 3	D	385	391	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	62	66	first strand
Strand 2	D	118	123	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	502	506	first strand
Strand 2	E	509	513	anti-parallel
Strand 3	E	571	576	parallel
Strand 4	E	544	549	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	522	525	first strand
Strand 2	E	528	532	anti-parallel
Strand 3	E	563	566	anti-parallel
Strand 4	E	550	552	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: 6EPK

Analysis of interatomic Contacts of Structural Units in PDB entry:
6EPK