Analysis of interatomic Contacts of Structural Units in PDB entry:
3SQ8

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 3SQ8 entry

There are 6 chains in PDB entry 3SQ8 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLY 79	HIS 181
A	THR 183	ALA 539
B	GLY 79	HIS 181
B	THR 183	HIS 541
C	GLY 79	HIS 181
C	THR 183	ARG 491

There are 77 helices in PDB entry 3SQ8. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	104	110	Right-handed alpha
Helix 2	2	A	126	131	Right-handed alpha
Helix 3	3	A	158	166	Right-handed alpha
Helix 4	4	A	205	211	Right-handed alpha
Helix 5	5	A	231	243	Right-handed alpha
Helix 6	6	A	246	253	Right-handed alpha
Helix 7	7	A	253	259	Right-handed alpha
Helix 8	8	A	262	266	Right-handed 310
Helix 9	9	A	281	294	Right-handed alpha
Helix 10	10	A	324	329	Right-handed alpha
Helix 11	11	A	329	336	Right-handed alpha
Helix 12	12	A	355	367	Right-handed alpha
Helix 13	13	A	377	382	Right-handed alpha
Helix 14	14	A	385	393	Right-handed 310
Helix 15	15	A	400	410	Right-handed alpha
Helix 16	16	A	467	472	Right-handed alpha
Helix 17	17	A	490	492	Right-handed 310
Helix 18	18	B	104	110	Right-handed alpha
Helix 19	19	B	126	131	Right-handed alpha
Helix 20	20	B	153	157	Right-handed 310
Helix 21	21	B	158	166	Right-handed alpha
Helix 22	22	B	205	211	Right-handed alpha
Helix 23	23	B	231	243	Right-handed alpha
Helix 24	24	B	246	253	Right-handed alpha
Helix 25	25	B	253	259	Right-handed alpha
Helix 26	26	B	262	266	Right-handed 310
Helix 27	27	B	281	294	Right-handed alpha
Helix 28	28	B	324	329	Right-handed alpha
Helix 29	29	B	329	335	Right-handed alpha
Helix 30	30	B	355	367	Right-handed alpha
Helix 31	31	B	377	382	Right-handed alpha
Helix 32	32	B	385	393	Right-handed 310
Helix 33	33	B	400	410	Right-handed alpha
Helix 34	34	B	467	472	Right-handed alpha
Helix 35	35	B	490	492	Right-handed 310
Helix 36	36	B	504	506	Right-handed 310
Helix 37	37	B	537	541	Right-handed 310
Helix 38	38	C	104	110	Right-handed alpha
Helix 39	39	C	126	131	Right-handed alpha
Helix 40	40	C	153	157	Right-handed 310
Helix 41	41	C	158	166	Right-handed alpha
Helix 42	42	C	205	211	Right-handed alpha
Helix 43	43	C	231	243	Right-handed alpha
Helix 44	44	C	246	253	Right-handed alpha
Helix 45	45	C	253	259	Right-handed alpha
Helix 46	46	C	262	266	Right-handed 310
Helix 47	47	C	281	294	Right-handed alpha
Helix 48	48	C	324	329	Right-handed alpha
Helix 49	49	C	329	335	Right-handed alpha
Helix 50	50	C	355	367	Right-handed alpha
Helix 51	51	C	377	381	Right-handed 310
Helix 52	52	C	385	393	Right-handed 310
Helix 53	53	C	400	410	Right-handed alpha
Helix 54	54	C	467	472	Right-handed alpha
Helix 55	55	C	490	492	Right-handed 310
Helix 56	56	C	504	506	Right-handed 310
Helix 57	57	C	537	541	Right-handed 310
Helix 58	58	D	104	110	Right-handed alpha
Helix 59	59	D	126	131	Right-handed alpha
Helix 60	60	D	153	157	Right-handed 310
Helix 61	61	D	158	166	Right-handed alpha
Helix 62	62	D	205	211	Right-handed alpha
Helix 63	63	D	231	243	Right-handed alpha
Helix 64	64	D	246	253	Right-handed alpha
Helix 65	65	D	253	259	Right-handed alpha
Helix 66	66	D	262	266	Right-handed 310
Helix 67	67	D	281	293	Right-handed alpha
Helix 68	68	D	324	329	Right-handed alpha
Helix 69	69	D	329	335	Right-handed alpha
Helix 70	70	D	355	367	Right-handed alpha
Helix 71	71	D	377	381	Right-handed 310
Helix 72	72	D	385	393	Right-handed 310
Helix 73	73	D	400	410	Right-handed alpha
Helix 74	74	D	467	472	Right-handed alpha
Helix 75	75	D	490	492	Right-handed 310
Helix 76	76	D	504	506	Right-handed 310
Helix 77	77	D	537	542	Right-handed 310

There are 20 sheets in PDB entry 3SQ8. 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,

There are 8 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	102	103	first strand
Strand 2	A	81	85	parallel
Strand 3	A	215	218	anti-parallel
Strand 4	A	194	200	anti-parallel
Strand 5	A	185	190	anti-parallel
Strand 6	A	114	120	anti-parallel
Strand 7	A	139	145	parallel
Strand 8	A	168	173	parallel

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There are 6 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	102	103	first strand
Strand 2	A	81	85	parallel
Strand 3	A	215	218	anti-parallel
Strand 4	A	194	200	anti-parallel
Strand 5	A	222	224	anti-parallel
Strand 6	A	260	261	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	124	125	first strand
Strand 2	A	149	150	parallel

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There are 8 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	269	273	first strand
Strand 2	A	482	488	anti-parallel
Strand 3	A	458	462	anti-parallel
Strand 4	A	434	441	anti-parallel
Strand 5	A	303	309	anti-parallel
Strand 6	A	368	373	parallel
Strand 7	A	414	416	parallel
Strand 8	A	526	527	anti-parallel

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There are 3 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	455	456	first strand
Strand 2	A	498	502	anti-parallel
Strand 3	A	517	519	parallel

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There are 8 strands in F sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	102	103	first strand
Strand 2	B	81	85	parallel
Strand 3	B	215	218	anti-parallel
Strand 4	B	194	200	anti-parallel
Strand 5	B	185	190	anti-parallel
Strand 6	B	114	120	anti-parallel
Strand 7	B	139	145	parallel
Strand 8	B	168	173	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	102	103	first strand
Strand 2	B	81	85	parallel
Strand 3	B	215	218	anti-parallel
Strand 4	B	194	200	anti-parallel
Strand 5	B	222	224	anti-parallel
Strand 6	B	260	261	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	124	125	first strand
Strand 2	B	149	150	parallel

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There are 8 strands in I sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	269	273	first strand
Strand 2	B	482	488	anti-parallel
Strand 3	B	458	462	anti-parallel
Strand 4	B	434	441	anti-parallel
Strand 5	B	303	309	anti-parallel
Strand 6	B	368	373	parallel
Strand 7	B	414	416	parallel
Strand 8	B	526	527	anti-parallel

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There are 3 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	455	456	first strand
Strand 2	B	498	502	anti-parallel
Strand 3	B	517	519	parallel

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There are 8 strands in K sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	102	103	first strand
Strand 2	C	81	85	parallel
Strand 3	C	215	218	anti-parallel
Strand 4	C	194	200	anti-parallel
Strand 5	C	185	190	anti-parallel
Strand 6	C	114	120	anti-parallel
Strand 7	C	139	145	parallel
Strand 8	C	168	173	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	C	102	103	first strand
Strand 2	C	81	85	parallel
Strand 3	C	215	218	anti-parallel
Strand 4	C	194	200	anti-parallel
Strand 5	C	222	224	anti-parallel
Strand 6	C	260	261	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	124	125	first strand
Strand 2	C	149	150	parallel

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There are 8 strands in N sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	269	273	first strand
Strand 2	C	482	488	anti-parallel
Strand 3	C	458	462	anti-parallel
Strand 4	C	434	441	anti-parallel
Strand 5	C	303	309	anti-parallel
Strand 6	C	368	373	parallel
Strand 7	C	414	416	parallel
Strand 8	C	526	527	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	C	455	456	first strand
Strand 2	C	498	502	anti-parallel
Strand 3	C	517	519	parallel

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There are 8 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	102	103	first strand
Strand 2	D	81	85	parallel
Strand 3	D	215	218	anti-parallel
Strand 4	D	194	200	anti-parallel
Strand 5	D	185	190	anti-parallel
Strand 6	D	114	120	anti-parallel
Strand 7	D	139	145	parallel
Strand 8	D	168	173	parallel

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There are 6 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	102	103	first strand
Strand 2	D	81	85	parallel
Strand 3	D	215	218	anti-parallel
Strand 4	D	194	200	anti-parallel
Strand 5	D	222	224	anti-parallel
Strand 6	D	260	261	anti-parallel

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There are 2 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	124	125	first strand
Strand 2	D	149	150	parallel

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There are 8 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	269	273	first strand
Strand 2	D	482	488	anti-parallel
Strand 3	D	458	462	anti-parallel
Strand 4	D	434	441	anti-parallel
Strand 5	D	303	309	anti-parallel
Strand 6	D	368	373	parallel
Strand 7	D	414	416	parallel
Strand 8	D	526	527	anti-parallel

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There are 3 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	455	456	first strand
Strand 2	D	498	502	anti-parallel
Strand 3	D	517	519	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: 3SQ8

Analysis of interatomic Contacts of Structural Units in PDB entry:
3SQ8