Analysis of interatomic Contacts of Structural Units in PDB entry:
2O1S

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 2O1S entry

There are 4 chains in PDB entry 2O1S (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	PHE 3	ALA 620
B	TYR 8	LEU 621
C	PHE 3	LEU 621
D	PRO 9	LEU 621

There are108 helices in PDB entry 2O1S. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	10	14	Right-handed 310
Helix 2	2	A	16	21	Right-handed alpha
Helix 3	3	A	22	23	Right-handed 310
Helix 4	4	A	24	26	Right-handed 310
Helix 5	5	A	27	43	Right-handed alpha
Helix 6	6	A	44	48	Right-handed 310
Helix 7	7	A	49	55	Right-handed alpha
Helix 8	8	A	56	67	Right-handed alpha
Helix 9	9	A	82	88	Right-handed alpha
Helix 10	10	A	91	98	Right-handed 310
Helix 11	11	A	125	141	Right-handed alpha
Helix 12	12	A	153	156	Right-handed 310
Helix 13	13	A	157	171	Right-handed alpha
Helix 14	14	A	239	246	Right-handed alpha
Helix 15	15	A	258	272	Right-handed alpha
Helix 16	16	A	320	336	Right-handed alpha
Helix 17	17	A	352	359	Right-handed alpha
Helix 18	18	A	369	383	Right-handed alpha
Helix 19	19	A	394	398	Right-handed 310
Helix 20	20	A	399	406	Right-handed alpha
Helix 21	21	A	428	432	Right-handed 310
Helix 22	22	A	435	440	Right-handed alpha
Helix 23	23	A	453	467	Right-handed alpha
Helix 24	24	A	514	526	Right-handed alpha
Helix 25	25	A	539	550	Right-handed alpha
Helix 26	26	A	564	576	Right-handed alpha
Helix 27	27	A	596	604	Right-handed alpha
Helix 28	28	A	607	620	Right-handed alpha
Helix 29	29	B	10	14	Right-handed 310
Helix 30	30	B	16	21	Right-handed alpha
Helix 31	31	B	22	23	Right-handed 310
Helix 32	32	B	24	26	Right-handed 310
Helix 33	33	B	27	40	Right-handed alpha
Helix 34	34	B	53	55	Right-handed 310
Helix 35	35	B	56	67	Right-handed alpha
Helix 36	36	B	82	88	Right-handed alpha
Helix 37	37	B	125	141	Right-handed alpha
Helix 38	38	B	153	156	Right-handed 310
Helix 39	39	B	157	171	Right-handed alpha
Helix 40	40	B	242	247	Right-handed alpha
Helix 41	41	B	258	269	Right-handed alpha
Helix 42	42	B	320	334	Right-handed alpha
Helix 43	43	B	352	359	Right-handed alpha
Helix 44	44	B	369	383	Right-handed alpha
Helix 45	45	B	393	397	Right-handed alpha
Helix 46	46	B	399	407	Right-handed alpha
Helix 47	47	B	428	432	Right-handed 310
Helix 48	48	B	435	440	Right-handed alpha
Helix 49	49	B	453	466	Right-handed alpha
Helix 50	50	B	514	526	Right-handed alpha
Helix 51	51	B	539	550	Right-handed alpha
Helix 52	52	B	564	576	Right-handed alpha
Helix 53	53	B	596	605	Right-handed alpha
Helix 54	54	B	607	620	Right-handed alpha
Helix 55	55	C	10	14	Right-handed 310
Helix 56	56	C	16	21	Right-handed alpha
Helix 57	57	C	22	23	Right-handed 310
Helix 58	58	C	24	26	Right-handed 310
Helix 59	59	C	27	43	Right-handed alpha
Helix 60	60	C	44	48	Right-handed 310
Helix 61	61	C	49	55	Right-handed alpha
Helix 62	62	C	56	67	Right-handed alpha
Helix 63	63	C	82	89	Right-handed alpha
Helix 64	64	C	91	98	Right-handed 310
Helix 65	65	C	125	141	Right-handed alpha
Helix 66	66	C	153	156	Right-handed 310
Helix 67	67	C	157	171	Right-handed alpha
Helix 68	68	C	240	246	Right-handed alpha
Helix 69	69	C	258	272	Right-handed alpha
Helix 70	70	C	320	336	Right-handed alpha
Helix 71	71	C	352	359	Right-handed alpha
Helix 72	72	C	369	383	Right-handed alpha
Helix 73	73	C	393	397	Right-handed alpha
Helix 74	74	C	399	407	Right-handed alpha
Helix 75	75	C	428	432	Right-handed 310
Helix 76	76	C	435	440	Right-handed alpha
Helix 77	77	C	453	466	Right-handed alpha
Helix 78	78	C	514	526	Right-handed alpha
Helix 79	79	C	539	550	Right-handed alpha
Helix 80	80	C	564	576	Right-handed alpha
Helix 81	81	C	596	604	Right-handed alpha
Helix 82	82	C	607	621	Right-handed alpha
Helix 83	83	D	10	14	Right-handed 310
Helix 84	84	D	16	21	Right-handed alpha
Helix 85	85	D	22	23	Right-handed 310
Helix 86	86	D	24	26	Right-handed 310
Helix 87	87	D	27	40	Right-handed alpha
Helix 88	88	D	53	55	Right-handed 310
Helix 89	89	D	56	67	Right-handed alpha
Helix 90	90	D	82	89	Right-handed alpha
Helix 91	91	D	125	141	Right-handed alpha
Helix 92	92	D	153	156	Right-handed 310
Helix 93	93	D	157	171	Right-handed alpha
Helix 94	94	D	241	246	Right-handed alpha
Helix 95	95	D	258	272	Right-handed alpha
Helix 96	96	D	320	334	Right-handed alpha
Helix 97	97	D	352	359	Right-handed alpha
Helix 98	98	D	369	383	Right-handed alpha
Helix 99	99	D	393	397	Right-handed alpha
Helix 100	100	D	399	407	Right-handed alpha
Helix 101	101	D	428	432	Right-handed 310
Helix 102	102	D	435	440	Right-handed alpha
Helix 103	103	D	453	466	Right-handed alpha
Helix 104	104	D	514	526	Right-handed alpha
Helix 105	105	D	539	549	Right-handed alpha
Helix 106	106	D	564	576	Right-handed alpha
Helix 107	107	D	596	604	Right-handed alpha
Helix 108	108	D	607	621	Right-handed alpha

There are 12 sheets in PDB entry 2O1S. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 5 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	73	76	first strand
Strand 2	A	146	151	parallel
Strand 3	A	174	180	parallel
Strand 4	A	275	281	parallel
Strand 5	A	249	255	parallel

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There are 7 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	363	365	first strand
Strand 2	A	339	343	parallel
Strand 3	A	386	392	parallel
Strand 4	A	415	419	parallel
Strand 5	A	472	475	parallel
Strand 6	A	447	449	parallel
Strand 7	A	534	536	anti-parallel

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There are 5 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	498	501	first strand
Strand 2	A	528	531	anti-parallel
Strand 3	A	506	511	parallel
Strand 4	A	552	560	parallel
Strand 5	A	582	587	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	73	76	first strand
Strand 2	B	146	151	parallel
Strand 3	B	174	180	parallel
Strand 4	B	275	281	parallel
Strand 5	B	249	255	parallel

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There are 7 strands in E sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	363	365	first strand
Strand 2	B	339	343	parallel
Strand 3	B	386	392	parallel
Strand 4	B	415	419	parallel
Strand 5	B	472	475	parallel
Strand 6	B	447	449	parallel
Strand 7	B	534	536	anti-parallel

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There are 5 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	498	501	first strand
Strand 2	B	528	531	anti-parallel
Strand 3	B	506	511	parallel
Strand 4	B	552	560	parallel
Strand 5	B	582	587	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	73	76	first strand
Strand 2	C	146	151	parallel
Strand 3	C	174	180	parallel
Strand 4	C	275	281	parallel
Strand 5	C	249	255	parallel

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There are 7 strands in H sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	363	365	first strand
Strand 2	C	339	343	parallel
Strand 3	C	386	392	parallel
Strand 4	C	415	419	parallel
Strand 5	C	472	475	parallel
Strand 6	C	447	449	parallel
Strand 7	C	534	536	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	498	501	first strand
Strand 2	C	528	531	anti-parallel
Strand 3	C	506	511	parallel
Strand 4	C	552	560	parallel
Strand 5	C	582	587	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	73	76	first strand
Strand 2	D	146	151	parallel
Strand 3	D	174	180	parallel
Strand 4	D	275	281	parallel
Strand 5	D	249	255	parallel

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There are 7 strands in K sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	363	365	first strand
Strand 2	D	339	343	parallel
Strand 3	D	386	392	parallel
Strand 4	D	415	419	parallel
Strand 5	D	472	475	parallel
Strand 6	D	447	449	parallel
Strand 7	D	534	536	anti-parallel

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There are 5 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	498	501	first strand
Strand 2	D	528	531	anti-parallel
Strand 3	D	506	511	parallel
Strand 4	D	552	560	parallel
Strand 5	D	582	587	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: 2O1S

Analysis of interatomic Contacts of Structural Units in PDB entry:
2O1S