Analysis of interatomic Contacts of Structural Units in PDB entry:
1Q3R

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 1Q3R entry

There are 4 chains in PDB entry 1Q3R (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	VAL 9	ALA 526
B	VAL 9	ALA 526
C	VAL 9	ALA 526
D	VAL 9	ALA 526

There are 87 helices in PDB entry 1Q3R. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	21	41	Right-handed alpha
Helix 2	2	A	64	72	Right-handed alpha
Helix 3	3	A	76	94	Right-handed alpha
Helix 4	4	A	96	117	Right-handed alpha
Helix 5	5	A	120	143	Right-handed alpha
Helix 6	6	A	150	163	Right-handed alpha
Helix 7	7	A	165	169	Right-handed 310
Helix 8	8	A	170	186	Right-handed alpha
Helix 9	9	A	196	198	Right-handed 310
Helix 10	10	A	209	213	Right-handed 310
Helix 11	11	A	261	286	Right-handed alpha
Helix 12	12	A	298	308	Right-handed alpha
Helix 13	13	A	317	329	Right-handed alpha
Helix 14	14	A	335	339	Right-handed 310
Helix 15	15	A	340	344	Right-handed 310
Helix 16	16	A	380	404	Right-handed alpha
Helix 17	17	A	412	428	Right-handed alpha
Helix 18	18	A	430	444	Right-handed alpha
Helix 19	19	A	445	456	Right-handed alpha
Helix 20	20	A	458	474	Right-handed alpha
Helix 21	21	A	489	493	Right-handed alpha
Helix 22	22	A	498	517	Right-handed alpha
Helix 23	23	B	21	41	Right-handed alpha
Helix 24	24	B	64	72	Right-handed alpha
Helix 25	25	B	76	93	Right-handed alpha
Helix 26	26	B	96	117	Right-handed alpha
Helix 27	27	B	120	143	Right-handed alpha
Helix 28	28	B	150	163	Right-handed alpha
Helix 29	29	B	165	169	Right-handed 310
Helix 30	30	B	170	186	Right-handed alpha
Helix 31	31	B	196	198	Right-handed 310
Helix 32	32	B	209	213	Right-handed 310
Helix 33	33	B	261	286	Right-handed alpha
Helix 34	34	B	298	308	Right-handed alpha
Helix 35	35	B	317	329	Right-handed alpha
Helix 36	36	B	335	339	Right-handed 310
Helix 37	37	B	340	344	Right-handed 310
Helix 38	38	B	380	404	Right-handed alpha
Helix 39	39	B	412	430	Right-handed alpha
Helix 40	40	B	430	444	Right-handed alpha
Helix 41	41	B	445	456	Right-handed alpha
Helix 42	42	B	458	474	Right-handed alpha
Helix 43	43	B	498	517	Right-handed alpha
Helix 44	44	C	21	41	Right-handed alpha
Helix 45	45	C	64	72	Right-handed alpha
Helix 46	46	C	76	94	Right-handed alpha
Helix 47	47	C	96	117	Right-handed alpha
Helix 48	48	C	120	143	Right-handed alpha
Helix 49	49	C	150	162	Right-handed alpha
Helix 50	50	C	165	169	Right-handed 310
Helix 51	51	C	170	186	Right-handed alpha
Helix 52	52	C	196	198	Right-handed 310
Helix 53	53	C	209	213	Right-handed 310
Helix 54	54	C	261	286	Right-handed alpha
Helix 55	55	C	298	308	Right-handed alpha
Helix 56	56	C	317	329	Right-handed alpha
Helix 57	57	C	335	339	Right-handed 310
Helix 58	58	C	340	344	Right-handed 310
Helix 59	59	C	380	405	Right-handed alpha
Helix 60	60	C	412	430	Right-handed alpha
Helix 61	61	C	432	444	Right-handed alpha
Helix 62	62	C	445	455	Right-handed alpha
Helix 63	63	C	458	474	Right-handed alpha
Helix 64	64	C	489	493	Right-handed alpha
Helix 65	65	C	498	517	Right-handed alpha
Helix 66	66	D	21	41	Right-handed alpha
Helix 67	67	D	64	72	Right-handed alpha
Helix 68	68	D	76	93	Right-handed alpha
Helix 69	69	D	96	117	Right-handed alpha
Helix 70	70	D	120	143	Right-handed alpha
Helix 71	71	D	150	163	Right-handed alpha
Helix 72	72	D	165	169	Right-handed 310
Helix 73	73	D	170	186	Right-handed alpha
Helix 74	74	D	196	198	Right-handed 310
Helix 75	75	D	209	213	Right-handed 310
Helix 76	76	D	261	286	Right-handed alpha
Helix 77	77	D	298	308	Right-handed alpha
Helix 78	78	D	317	329	Right-handed alpha
Helix 79	79	D	335	339	Right-handed 310
Helix 80	80	D	340	344	Right-handed 310
Helix 81	81	D	380	405	Right-handed alpha
Helix 82	82	D	412	430	Right-handed alpha
Helix 83	83	D	432	444	Right-handed alpha
Helix 84	84	D	445	455	Right-handed alpha
Helix 85	85	D	458	474	Right-handed alpha
Helix 86	86	D	481	484	Right-handed 310
Helix 87	87	D	498	517	Right-handed alpha

There are 34 sheets in PDB entry 1Q3R. 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, W, X, Y, Z, AA, AB, AC, AD, AE, AF, AG, AH,

There are 2 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	17	20	first strand
Strand 2	A	520	523	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	59	62	first strand
Strand 2	A	49	53	anti-parallel
Strand 3	B	518	523	parallel
Strand 4	B	17	20	anti-parallel

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There are 3 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	144	145	first strand
Strand 2	A	406	409	anti-parallel
Strand 3	A	495	497	anti-parallel

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There are 2 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	187	188	first strand
Strand 2	A	193	194	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	200	206	first strand
Strand 2	A	372	378	parallel
Strand 3	A	214	216	anti-parallel

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There are 4 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	219	221	first strand
Strand 2	A	358	364	anti-parallel
Strand 3	A	349	355	anti-parallel
Strand 4	A	233	234	anti-parallel

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There are 4 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	311	313	first strand
Strand 2	A	290	293	parallel
Strand 3	A	238	242	parallel
Strand 4	A	332	333	parallel

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There are 4 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	311	313	first strand
Strand 2	A	290	293	parallel
Strand 3	A	238	242	parallel
Strand 4	A	345	346	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	257	259	first strand
Strand 2	B	255	257	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	477	480	first strand
Strand 2	A	485	488	anti-parallel

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There are 2 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	50	53	first strand
Strand 2	B	59	62	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	144	145	first strand
Strand 2	B	406	409	anti-parallel
Strand 3	B	495	497	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	B	187	188	first strand
Strand 2	B	193	194	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	200	206	first strand
Strand 2	B	372	378	parallel
Strand 3	B	214	216	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	218	221	first strand
Strand 2	B	358	364	anti-parallel
Strand 3	B	345	355	anti-parallel
Strand 4	B	233	242	anti-parallel
Strand 5	B	290	293	parallel
Strand 6	B	311	313	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	B	218	221	first strand
Strand 2	B	358	364	anti-parallel
Strand 3	B	345	355	anti-parallel
Strand 4	B	233	242	anti-parallel
Strand 5	B	332	333	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	B	477	480	first strand
Strand 2	B	485	488	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	17	20	first strand
Strand 2	C	518	523	anti-parallel
Strand 3	D	49	53	parallel
Strand 4	D	59	62	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	50	53	first strand
Strand 2	C	59	62	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	C	144	145	first strand
Strand 2	C	406	409	anti-parallel
Strand 3	C	495	497	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	187	188	first strand
Strand 2	C	193	194	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	200	206	first strand
Strand 2	C	372	378	parallel
Strand 3	C	214	216	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	219	221	first strand
Strand 2	C	358	364	anti-parallel
Strand 3	C	349	355	anti-parallel
Strand 4	C	233	234	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	311	313	first strand
Strand 2	C	290	293	parallel
Strand 3	C	237	242	parallel
Strand 4	C	332	333	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	311	313	first strand
Strand 2	C	290	293	parallel
Strand 3	C	237	242	parallel
Strand 4	C	345	347	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	255	257	first strand
Strand 2	D	257	259	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	477	480	first strand
Strand 2	C	485	488	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	17	20	first strand
Strand 2	D	520	523	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	144	145	first strand
Strand 2	D	406	409	anti-parallel
Strand 3	D	495	497	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	187	188	first strand
Strand 2	D	193	194	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	200	206	first strand
Strand 2	D	372	378	parallel
Strand 3	D	214	216	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	219	221	first strand
Strand 2	D	358	364	anti-parallel
Strand 3	D	349	355	anti-parallel
Strand 4	D	233	234	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	311	313	first strand
Strand 2	D	290	293	parallel
Strand 3	D	237	242	parallel
Strand 4	D	345	347	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	477	480	first strand
Strand 2	D	485	488	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: 1Q3R

Analysis of interatomic Contacts of Structural Units in PDB entry:
1Q3R