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

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 1YIR entry

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

Chain ID	Initial residue	Terminal residue
A	LEU 3	VAL 399
B	LEU 3	VAL 399
C	LEU 3	VAL 399
D	LEU 3	VAL 399

There are 88 helices in PDB entry 1YIR. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	20	34	Right-handed alpha
Helix 2	2	A	51	53	Right-handed 310
Helix 3	3	A	54	68	Right-handed alpha
Helix 4	4	A	71	80	Right-handed alpha
Helix 5	5	A	85	95	Right-handed alpha
Helix 6	6	A	98	100	Right-handed 310
Helix 7	7	A	119	123	Right-handed alpha
Helix 8	8	A	125	142	Right-handed alpha
Helix 9	9	A	146	163	Right-handed alpha
Helix 10	10	A	166	171	Right-handed alpha
Helix 11	11	A	185	200	Right-handed alpha
Helix 12	12	A	209	216	Right-handed alpha
Helix 13	13	A	225	236	Right-handed alpha
Helix 14	14	A	238	240	Right-handed 310
Helix 15	15	A	241	255	Right-handed alpha
Helix 16	16	A	267	275	Right-handed alpha
Helix 17	17	A	276	283	Right-handed alpha
Helix 18	18	A	292	308	Right-handed alpha
Helix 19	19	A	310	313	Right-handed 310
Helix 20	20	A	323	335	Right-handed alpha
Helix 21	21	A	345	350	Right-handed alpha
Helix 22	22	A	387	398	Right-handed alpha
Helix 23	23	B	20	34	Right-handed alpha
Helix 24	24	B	51	53	Right-handed 310
Helix 25	25	B	54	68	Right-handed alpha
Helix 26	26	B	71	80	Right-handed alpha
Helix 27	27	B	85	95	Right-handed alpha
Helix 28	28	B	98	100	Right-handed 310
Helix 29	29	B	119	123	Right-handed alpha
Helix 30	30	B	125	142	Right-handed alpha
Helix 31	31	B	146	165	Right-handed alpha
Helix 32	32	B	166	173	Right-handed alpha
Helix 33	33	B	185	200	Right-handed alpha
Helix 34	34	B	209	216	Right-handed alpha
Helix 35	35	B	225	232	Right-handed alpha
Helix 36	36	B	238	240	Right-handed 310
Helix 37	37	B	241	255	Right-handed alpha
Helix 38	38	B	267	274	Right-handed alpha
Helix 39	39	B	276	283	Right-handed alpha
Helix 40	40	B	292	307	Right-handed alpha
Helix 41	41	B	310	313	Right-handed 310
Helix 42	42	B	323	335	Right-handed alpha
Helix 43	43	B	345	350	Right-handed alpha
Helix 44	44	B	387	397	Right-handed alpha
Helix 45	45	C	20	34	Right-handed alpha
Helix 46	46	C	51	53	Right-handed 310
Helix 47	47	C	54	68	Right-handed alpha
Helix 48	48	C	71	80	Right-handed alpha
Helix 49	49	C	85	95	Right-handed alpha
Helix 50	50	C	98	100	Right-handed 310
Helix 51	51	C	119	123	Right-handed alpha
Helix 52	52	C	125	142	Right-handed alpha
Helix 53	53	C	146	165	Right-handed alpha
Helix 54	54	C	166	171	Right-handed alpha
Helix 55	55	C	185	200	Right-handed alpha
Helix 56	56	C	209	216	Right-handed alpha
Helix 57	57	C	225	232	Right-handed alpha
Helix 58	58	C	238	240	Right-handed 310
Helix 59	59	C	241	255	Right-handed alpha
Helix 60	60	C	267	275	Right-handed alpha
Helix 61	61	C	276	283	Right-handed alpha
Helix 62	62	C	292	308	Right-handed alpha
Helix 63	63	C	310	313	Right-handed 310
Helix 64	64	C	323	335	Right-handed alpha
Helix 65	65	C	345	350	Right-handed alpha
Helix 66	66	C	387	397	Right-handed alpha
Helix 67	67	D	20	34	Right-handed alpha
Helix 68	68	D	51	53	Right-handed 310
Helix 69	69	D	54	68	Right-handed alpha
Helix 70	70	D	71	80	Right-handed alpha
Helix 71	71	D	85	95	Right-handed alpha
Helix 72	72	D	98	100	Right-handed 310
Helix 73	73	D	119	123	Right-handed alpha
Helix 74	74	D	125	142	Right-handed alpha
Helix 75	75	D	146	165	Right-handed alpha
Helix 76	76	D	166	172	Right-handed alpha
Helix 77	77	D	185	200	Right-handed alpha
Helix 78	78	D	209	216	Right-handed alpha
Helix 79	79	D	225	232	Right-handed alpha
Helix 80	80	D	238	240	Right-handed 310
Helix 81	81	D	241	255	Right-handed alpha
Helix 82	82	D	267	274	Right-handed alpha
Helix 83	83	D	276	283	Right-handed alpha
Helix 84	84	D	292	308	Right-handed alpha
Helix 85	85	D	310	313	Right-handed 310
Helix 86	86	D	323	335	Right-handed alpha
Helix 87	87	D	345	350	Right-handed alpha
Helix 88	88	D	387	397	Right-handed alpha

There are 8 sheets in PDB entry 1YIR. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

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	102	107	first strand
Strand 2	A	110	118	anti-parallel
Strand 3	A	38	45	anti-parallel
Strand 4	A	360	367	anti-parallel
Strand 5	A	370	371	anti-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	203	207	first strand
Strand 2	A	174	177	parallel
Strand 3	A	339	344	parallel
Strand 4	A	315	318	parallel
Strand 5	A	285	288	parallel
Strand 6	A	260	262	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	B	102	107	first strand
Strand 2	B	110	118	anti-parallel
Strand 3	B	38	45	anti-parallel
Strand 4	B	360	367	anti-parallel
Strand 5	B	370	371	anti-parallel

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There are 6 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	203	207	first strand
Strand 2	B	174	177	parallel
Strand 3	B	339	344	parallel
Strand 4	B	315	318	parallel
Strand 5	B	285	288	parallel
Strand 6	B	260	262	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	C	102	107	first strand
Strand 2	C	110	118	anti-parallel
Strand 3	C	38	45	anti-parallel
Strand 4	C	360	367	anti-parallel
Strand 5	C	370	371	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	203	207	first strand
Strand 2	C	174	177	parallel
Strand 3	C	339	344	parallel
Strand 4	C	315	318	parallel
Strand 5	C	285	288	parallel
Strand 6	C	260	262	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	D	102	107	first strand
Strand 2	D	110	118	anti-parallel
Strand 3	D	38	45	anti-parallel
Strand 4	D	360	367	anti-parallel
Strand 5	D	370	371	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	203	207	first strand
Strand 2	D	174	177	parallel
Strand 3	D	339	344	parallel
Strand 4	D	315	318	parallel
Strand 5	D	285	288	parallel
Strand 6	D	260	262	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: 1YIR

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