Analysis of interatomic Contacts of Structural Units in PDB entry:
4RCN

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 4RCN entry

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

Chain ID	Initial residue	Terminal residue
A	ALA 3	SER 1073
B	MET 1	SER 1073

There are 84 helices in PDB entry 4RCN. 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	25	Right-handed alpha
Helix 2	2	A	39	45	Right-handed alpha
Helix 3	3	A	55	60	Right-handed 310
Helix 4	4	A	61	72	Right-handed alpha
Helix 5	5	A	87	97	Right-handed alpha
Helix 6	6	A	105	114	Right-handed alpha
Helix 7	7	A	114	125	Right-handed alpha
Helix 8	8	A	249	267	Right-handed alpha
Helix 9	9	A	296	305	Right-handed alpha
Helix 10	10	A	307	317	Right-handed alpha
Helix 11	11	A	320	325	Right-handed 310
Helix 12	12	A	413	427	Right-handed alpha
Helix 13	13	A	436	444	Right-handed alpha
Helix 14	14	A	447	452	Right-handed 310
Helix 15	15	A	457	462	Right-handed alpha
Helix 16	16	A	462	468	Right-handed alpha
Helix 17	17	A	577	589	Right-handed alpha
Helix 18	18	A	595	605	Right-handed alpha
Helix 19	19	A	609	618	Right-handed alpha
Helix 20	20	A	639	647	Right-handed alpha
Helix 21	21	A	648	650	Right-handed 310
Helix 22	22	A	680	684	Right-handed 310
Helix 23	23	A	686	703	Right-handed alpha
Helix 24	24	A	732	739	Right-handed alpha
Helix 25	25	A	756	763	Right-handed alpha
Helix 26	26	A	780	787	Right-handed alpha
Helix 27	27	A	793	797	Right-handed 310
Helix 28	28	A	801	806	Right-handed alpha
Helix 29	29	A	815	830	Right-handed alpha
Helix 30	30	A	841	847	Right-handed alpha
Helix 31	31	A	858	867	Right-handed alpha
Helix 32	32	A	910	927	Right-handed alpha
Helix 33	33	A	943	949	Right-handed alpha
Helix 34	34	A	950	964	Right-handed alpha
Helix 35	35	A	979	985	Right-handed alpha
Helix 36	36	A	1008	1017	Right-handed alpha
Helix 37	37	A	1029	1042	Right-handed alpha
Helix 38	38	A	1043	1045	Right-handed 310
Helix 39	39	A	1046	1053	Right-handed alpha
Helix 40	40	A	1061	1063	Right-handed 310
Helix 41	41	A	1064	1071	Right-handed alpha
Helix 42	42	B	10	24	Right-handed alpha
Helix 43	43	B	39	44	Right-handed alpha
Helix 44	44	B	55	60	Right-handed 310
Helix 45	45	B	61	71	Right-handed alpha
Helix 46	46	B	87	97	Right-handed alpha
Helix 47	47	B	105	113	Right-handed alpha
Helix 48	48	B	114	125	Right-handed alpha
Helix 49	49	B	138	147	Right-handed alpha
Helix 50	50	B	249	267	Right-handed alpha
Helix 51	51	B	296	305	Right-handed alpha
Helix 52	52	B	307	317	Right-handed alpha
Helix 53	53	B	320	324	Right-handed 310
Helix 54	54	B	413	428	Right-handed alpha
Helix 55	55	B	436	445	Right-handed alpha
Helix 56	56	B	447	452	Right-handed 310
Helix 57	57	B	457	462	Right-handed alpha
Helix 58	58	B	462	469	Right-handed alpha
Helix 59	59	B	577	589	Right-handed alpha
Helix 60	60	B	591	594	Right-handed 310
Helix 61	61	B	595	605	Right-handed alpha
Helix 62	62	B	609	618	Right-handed alpha
Helix 63	63	B	639	647	Right-handed alpha
Helix 64	64	B	648	650	Right-handed 310
Helix 65	65	B	680	684	Right-handed 310
Helix 66	66	B	686	703	Right-handed alpha
Helix 67	67	B	732	739	Right-handed alpha
Helix 68	68	B	756	763	Right-handed alpha
Helix 69	69	B	780	787	Right-handed alpha
Helix 70	70	B	793	797	Right-handed 310
Helix 71	71	B	799	804	Right-handed alpha
Helix 72	72	B	815	829	Right-handed alpha
Helix 73	73	B	841	847	Right-handed 310
Helix 74	74	B	858	865	Right-handed alpha
Helix 75	75	B	910	927	Right-handed alpha
Helix 76	76	B	943	949	Right-handed alpha
Helix 77	77	B	950	963	Right-handed alpha
Helix 78	78	B	979	985	Right-handed alpha
Helix 79	79	B	1008	1017	Right-handed alpha
Helix 80	80	B	1030	1043	Right-handed alpha
Helix 81	81	B	1046	1053	Right-handed alpha
Helix 82	82	B	1061	1063	Right-handed 310
Helix 83	83	B	1064	1070	Right-handed alpha
Helix 84	84	B	1071	1073	Right-handed 310

There are 27 sheets in PDB entry 4RCN. 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,

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	47	51	first strand
Strand 2	A	27	33	parallel
Strand 3	A	4	7	parallel
Strand 4	A	76	78	parallel
Strand 5	A	100	101	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	283	290	first strand
Strand 2	A	271	280	anti-parallel
Strand 3	A	205	216	anti-parallel
Strand 4	A	219	229	anti-parallel
Strand 5	A	331	332	anti-parallel
Strand 6	A	337	338	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	233	234	first strand
Strand 2	A	237	238	anti-parallel

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There are 4 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	240	243	first strand
Strand 2	A	347	354	anti-parallel
Strand 3	A	401	409	anti-parallel
Strand 4	A	382	386	anti-parallel

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There are 2 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	356	358	first strand
Strand 2	A	364	366	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	369	370	first strand
Strand 2	A	393	394	anti-parallel

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There are 2 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	373	375	first strand
Strand 2	A	429	431	anti-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	489	492	first strand
Strand 2	A	551	557	anti-parallel
Strand 3	A	533	538	anti-parallel
Strand 4	A	508	509	anti-parallel

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There are 4 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	524	528	first strand
Strand 2	A	514	519	anti-parallel
Strand 3	A	497	502	anti-parallel
Strand 4	A	545	546	anti-parallel

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There are 7 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	624	626	first strand
Strand 2	A	652	658	anti-parallel
Strand 3	A	670	676	anti-parallel
Strand 4	A	707	710	parallel
Strand 5	A	746	750	parallel
Strand 6	A	767	770	parallel
Strand 7	A	811	812	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	A	753	755	first strand
Strand 2	A	775	777	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	A	873	875	first strand
Strand 2	A	883	890	anti-parallel
Strand 3	A	893	900	anti-parallel
Strand 4	A	931	937	parallel
Strand 5	A	969	978	parallel
Strand 6	A	1003	1005	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	873	875	first strand
Strand 2	A	883	890	anti-parallel
Strand 3	A	893	900	anti-parallel
Strand 4	A	931	937	parallel
Strand 5	A	969	978	parallel
Strand 6	A	995	998	parallel
Strand 7	A	1058	1059	parallel

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There are 5 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	47	51	first strand
Strand 2	B	27	33	parallel
Strand 3	B	4	7	parallel
Strand 4	B	76	78	parallel
Strand 5	B	100	101	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	B	167	169	first strand
Strand 2	B	153	155	anti-parallel
Strand 3	B	198	199	anti-parallel

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There are 6 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	286	290	first strand
Strand 2	B	271	279	anti-parallel
Strand 3	B	205	215	anti-parallel
Strand 4	B	220	229	anti-parallel
Strand 5	B	330	332	anti-parallel
Strand 6	B	337	338	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	B	233	234	first strand
Strand 2	B	237	238	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	B	240	243	first strand
Strand 2	B	347	354	anti-parallel
Strand 3	B	401	409	anti-parallel
Strand 4	B	382	386	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	B	356	358	first strand
Strand 2	B	364	366	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	B	369	370	first strand
Strand 2	B	393	394	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	B	373	375	first strand
Strand 2	B	429	431	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	B	489	492	first strand
Strand 2	B	551	557	anti-parallel
Strand 3	B	533	538	anti-parallel
Strand 4	B	508	509	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	B	525	528	first strand
Strand 2	B	514	518	anti-parallel
Strand 3	B	497	502	anti-parallel
Strand 4	B	545	546	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	624	626	first strand
Strand 2	B	652	658	anti-parallel
Strand 3	B	670	676	anti-parallel
Strand 4	B	707	713	parallel
Strand 5	B	746	755	parallel
Strand 6	B	775	777	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	624	626	first strand
Strand 2	B	652	658	anti-parallel
Strand 3	B	670	676	anti-parallel
Strand 4	B	707	713	parallel
Strand 5	B	746	755	parallel
Strand 6	B	767	770	parallel
Strand 7	B	811	812	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	873	875	first strand
Strand 2	B	883	890	anti-parallel
Strand 3	B	893	900	anti-parallel
Strand 4	B	931	937	parallel
Strand 5	B	969	978	parallel
Strand 6	B	1003	1005	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	873	875	first strand
Strand 2	B	883	890	anti-parallel
Strand 3	B	893	900	anti-parallel
Strand 4	B	931	937	parallel
Strand 5	B	969	978	parallel
Strand 6	B	995	998	parallel
Strand 7	B	1058	1059	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: 4RCN

Analysis of interatomic Contacts of Structural Units in PDB entry:
4RCN