Analysis of interatomic Contacts of Structural Units in PDB entry:
1Y1W

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 1Y1W entry

There are 15 chains in PDB entry 1Y1W (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
T	A 10	T 28
N	A 1	T 7
P	A 1	C 10
A	VAL 2	PRO 1455
B	ASP 20	PHE 1224
C	GLU 3	ASP 268
D	SER 4	TYR 221
E	ASP 2	MET 215
F	LYS 72	LEU 155
G	MET 1	ILE 171
H	SER 2	ARG 146
I	THR 2	GLN 120
J	MET 1	PRO 65
K	MET 1	LEU 114
L	ALA 25	ARG 70

There are141 helices in PDB entry 1Y1W. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	23	31	Right-handed alpha
Helix 2	2	A	95	104	Right-handed alpha
Helix 3	3	A	119	128	Right-handed alpha
Helix 4	4	A	130	143	Right-handed alpha
Helix 5	5	A	203	214	Right-handed alpha
Helix 6	6	A	215	222	Right-handed alpha
Helix 7	7	A	230	234	Right-handed 310
Helix 8	8	A	243	247	Right-handed 310
Helix 9	9	A	261	281	Right-handed alpha
Helix 10	10	A	285	289	Right-handed 310
Helix 11	11	A	292	303	Right-handed alpha
Helix 12	12	A	324	330	Right-handed alpha
Helix 13	13	A	334	340	Right-handed alpha
Helix 14	14	A	368	372	Right-handed alpha
Helix 15	15	A	384	395	Right-handed alpha
Helix 16	16	A	451	453	Right-handed 310
Helix 17	17	A	474	479	Right-handed alpha
Helix 18	18	A	494	503	Right-handed alpha
Helix 19	19	A	506	511	Right-handed alpha
Helix 20	20	A	514	517	Right-handed 310
Helix 21	21	A	524	534	Right-handed alpha
Helix 22	22	A	543	553	Right-handed alpha
Helix 23	23	A	574	582	Right-handed alpha
Helix 24	24	A	618	623	Right-handed alpha
Helix 25	25	A	628	638	Right-handed alpha
Helix 26	26	A	638	661	Right-handed alpha
Helix 27	27	A	665	670	Right-handed 310
Helix 28	28	A	672	696	Right-handed alpha
Helix 29	29	A	709	737	Right-handed alpha
Helix 30	30	A	741	750	Right-handed alpha
Helix 31	31	A	754	763	Right-handed alpha
Helix 32	32	A	793	798	Right-handed alpha
Helix 33	33	A	809	828	Right-handed alpha
Helix 34	34	A	831	846	Right-handed alpha
Helix 35	35	A	867	872	Right-handed alpha
Helix 36	36	A	889	898	Right-handed alpha
Helix 37	37	A	922	947	Right-handed alpha
Helix 38	38	A	959	971	Right-handed alpha
Helix 39	39	A	982	995	Right-handed alpha
Helix 40	40	A	1004	1026	Right-handed alpha
Helix 41	41	A	1027	1034	Right-handed alpha
Helix 42	42	A	1038	1057	Right-handed alpha
Helix 43	43	A	1063	1074	Right-handed alpha
Helix 44	44	A	1075	1077	Right-handed 310
Helix 45	45	A	1097	1107	Right-handed alpha
Helix 46	46	A	1127	1139	Right-handed alpha
Helix 47	47	A	1142	1146	Right-handed alpha
Helix 48	48	A	1163	1165	Right-handed 310
Helix 49	49	A	1166	1172	Right-handed alpha
Helix 50	50	A	1198	1205	Right-handed alpha
Helix 51	51	A	1208	1221	Right-handed alpha
Helix 52	52	A	1255	1270	Right-handed alpha
Helix 53	53	A	1312	1317	Right-handed alpha
Helix 54	54	A	1331	1340	Right-handed alpha
Helix 55	55	A	1340	1358	Right-handed alpha
Helix 56	56	A	1365	1375	Right-handed alpha
Helix 57	57	A	1395	1401	Right-handed alpha
Helix 58	58	A	1404	1414	Right-handed alpha
Helix 59	59	A	1423	1431	Right-handed alpha
Helix 60	60	A	1436	1440	Right-handed 310
Helix 61	61	A	1447	1451	Right-handed 310
Helix 62	62	B	26	41	Right-handed alpha
Helix 63	63	B	44	57	Right-handed alpha
Helix 64	64	B	57	64	Right-handed alpha
Helix 65	65	B	113	120	Right-handed alpha
Helix 66	66	B	179	184	Right-handed alpha
Helix 67	67	B	185	191	Right-handed alpha
Helix 68	68	B	282	289	Right-handed alpha
Helix 69	69	B	295	300	Right-handed alpha
Helix 70	70	B	307	322	Right-handed alpha
Helix 71	71	B	326	333	Right-handed alpha
Helix 72	72	B	346	359	Right-handed alpha
Helix 73	73	B	370	390	Right-handed alpha
Helix 74	74	B	400	404	Right-handed 310
Helix 75	75	B	408	426	Right-handed alpha
Helix 76	76	B	428	433	Right-handed alpha
Helix 77	77	B	450	464	Right-handed alpha
Helix 78	78	B	487	496	Right-handed alpha
Helix 79	79	B	551	559	Right-handed alpha
Helix 80	80	B	565	569	Right-handed 310
Helix 81	81	B	570	574	Right-handed 310
Helix 82	82	B	592	605	Right-handed alpha
Helix 83	83	B	619	622	Right-handed 310
Helix 84	84	B	654	660	Right-handed alpha
Helix 85	85	B	661	667	Right-handed alpha
Helix 86	86	B	680	687	Right-handed alpha
Helix 87	87	B	695	699	Right-handed alpha
Helix 88	88	B	744	748	Right-handed 310
Helix 89	89	B	752	756	Right-handed 310
Helix 90	90	B	763	774	Right-handed alpha
Helix 91	91	B	775	777	Right-handed 310
Helix 92	92	B	784	788	Right-handed 310
Helix 93	93	B	806	812	Right-handed 310
Helix 94	94	B	843	848	Right-handed alpha
Helix 95	95	B	889	893	Right-handed 310
Helix 96	96	B	1013	1017	Right-handed 310
Helix 97	97	B	1022	1036	Right-handed alpha
Helix 98	98	B	1052	1061	Right-handed alpha
Helix 99	99	B	1098	1102	Right-handed 310
Helix 100	100	B	1121	1125	Right-handed 310
Helix 101	101	B	1131	1142	Right-handed alpha
Helix 102	102	B	1143	1152	Right-handed alpha
Helix 103	103	B	1197	1210	Right-handed alpha
Helix 104	104	C	26	40	Right-handed alpha
Helix 105	105	C	59	70	Right-handed alpha
Helix 106	106	C	76	80	Right-handed 310
Helix 107	107	C	116	118	Right-handed 310
Helix 108	108	C	196	201	Right-handed alpha
Helix 109	109	C	204	208	Right-handed 310
Helix 110	110	C	241	264	Right-handed alpha
Helix 111	111	D	30	34	Right-handed 310
Helix 112	112	D	54	70	Right-handed alpha
Helix 113	113	D	119	134	Right-handed alpha
Helix 114	114	D	138	151	Right-handed alpha
Helix 115	115	D	158	168	Right-handed alpha
Helix 116	116	D	175	183	Right-handed alpha
Helix 117	117	D	188	193	Right-handed alpha
Helix 118	118	D	203	218	Right-handed alpha
Helix 119	119	E	5	26	Right-handed alpha
Helix 120	120	E	39	47	Right-handed alpha
Helix 121	121	E	54	58	Right-handed 310
Helix 122	122	E	67	72	Right-handed alpha
Helix 123	123	E	91	104	Right-handed alpha
Helix 124	124	E	138	140	Right-handed 310
Helix 125	125	E	143	147	Right-handed 310
Helix 126	126	E	159	168	Right-handed alpha
Helix 127	127	E	171	175	Right-handed 310
Helix 128	128	E	182	189	Right-handed alpha
Helix 129	129	F	86	102	Right-handed alpha
Helix 130	130	F	116	125	Right-handed alpha
Helix 131	131	G	22	33	Right-handed alpha
Helix 132	132	G	113	115	Right-handed 310
Helix 133	133	H	83	87	Right-handed 310
Helix 134	134	J	16	27	Right-handed alpha
Helix 135	135	J	31	40	Right-handed alpha
Helix 136	136	J	44	53	Right-handed alpha
Helix 137	137	J	56	62	Right-handed alpha
Helix 138	138	K	5	10	Right-handed 310
Helix 139	139	K	39	49	Right-handed alpha
Helix 140	140	K	50	52	Right-handed 310
Helix 141	141	K	82	111	Right-handed alpha

There are 48 sheets in PDB entry 1Y1W. 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, AI, AJ, AK, AL, AM, AN, AO, AP, AQ, AR, AS, AT, AU, AV,

There are 3 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	1418	1419	first strand
Strand 2	A	16	21	anti-parallel
Strand 3	B	1212	1217	anti-parallel

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There are 2 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	82	90	first strand
Strand 2	A	236	241	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	151	152	first strand
Strand 2	A	162	163	anti-parallel

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There are 3 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	173	177	first strand
Strand 2	A	180	184	anti-parallel
Strand 3	A	200	201	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	343	345	first strand
Strand 2	B	1128	1130	anti-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	1104	1106	first strand
Strand 2	A	348	355	anti-parallel
Strand 3	A	486	490	anti-parallel
Strand 4	A	441	445	anti-parallel
Strand 5	A	455	463	anti-parallel
Strand 6	A	363	367	parallel
Strand 7	A	468	470	anti-parallel
Strand 8	A	348	355	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	375	376	first strand
Strand 2	A	431	435	anti-parallel
Strand 3	A	402	406	anti-parallel
Strand 4	A	412	414	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	A	512	513	first strand
Strand 2	A	518	519	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	540	542	first strand
Strand 2	A	571	573	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	A	587	589	first strand
Strand 2	A	606	608	anti-parallel
Strand 3	A	611	614	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	A	766	767	first strand
Strand 2	A	799	800	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	A	849	850	first strand
Strand 2	A	856	857	anti-parallel
Strand 3	A	863	865	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	A	879	882	first strand
Strand 2	A	953	956	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	A	1117	1119	first strand
Strand 2	A	1303	1307	anti-parallel
Strand 3	A	1283	1287	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	1225	1228	first strand
Strand 2	A	1237	1241	anti-parallel
Strand 3	A	1194	1197	anti-parallel
Strand 4	A	1147	1153	anti-parallel
Strand 5	I	42	45	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	1290	1292	first strand
Strand 2	A	1298	1300	anti-parallel

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There are 7 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	49	50	first strand
Strand 2	G	2	13	anti-parallel
Strand 3	G	68	79	anti-parallel
Strand 4	G	59	61	anti-parallel
Strand 5	A	1442	1445	anti-parallel
Strand 6	F	132	137	anti-parallel
Strand 7	F	143	147	anti-parallel

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There are 5 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	49	50	first strand
Strand 2	G	2	13	anti-parallel
Strand 3	G	68	79	anti-parallel
Strand 4	G	43	48	anti-parallel
Strand 5	G	38	39	anti-parallel

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There are 3 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	91	97	first strand
Strand 2	B	127	133	anti-parallel
Strand 3	B	165	169	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	101	103	first strand
Strand 2	B	109	111	anti-parallel

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There are 3 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	203	204	first strand
Strand 2	B	209	211	anti-parallel
Strand 3	B	481	482	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	B	214	215	first strand
Strand 2	B	497	499	parallel
Strand 3	B	537	538	anti-parallel

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There are 5 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	223	227	first strand
Strand 2	B	236	242	anti-parallel
Strand 3	B	252	256	anti-parallel
Strand 4	B	270	272	anti-parallel
Strand 5	B	280	281	anti-parallel

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There are 3 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	544	545	first strand
Strand 2	B	633	639	anti-parallel
Strand 3	B	690	694	anti-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	B	544	545	first strand
Strand 2	B	633	639	anti-parallel
Strand 3	B	740	741	anti-parallel
Strand 4	B	703	704	parallel

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There are 4 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	585	586	first strand
Strand 2	B	580	582	anti-parallel
Strand 3	B	623	627	parallel
Strand 4	B	614	618	anti-parallel

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There are 4 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	793	796	first strand
Strand 2	B	853	861	anti-parallel
Strand 3	B	961	972	anti-parallel
Strand 4	B	948	951	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	793	796	first strand
Strand 2	B	853	861	anti-parallel
Strand 3	B	961	972	anti-parallel
Strand 4	B	954	957	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	821	822	first strand
Strand 2	B	1091	1092	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	825	827	first strand
Strand 2	B	1085	1088	anti-parallel
Strand 3	B	1069	1070	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	B	838	842	first strand
Strand 2	B	988	994	parallel
Strand 3	B	979	980	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	910	912	first strand
Strand 2	B	939	940	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	915	916	first strand
Strand 2	B	935	936	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	B	1159	1163	first strand
Strand 2	B	1191	1195	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	7	8	first strand
Strand 2	C	18	23	anti-parallel
Strand 3	C	228	232	anti-parallel
Strand 4	C	176	177	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	119	120	first strand
Strand 2	C	97	100	anti-parallel
Strand 3	C	157	160	anti-parallel
Strand 4	C	45	51	anti-parallel
Strand 5	L	65	67	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	53	54	first strand
Strand 2	C	153	154	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	72	74	first strand
Strand 2	C	129	132	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	111	114	first strand
Strand 2	C	143	147	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	36	38	first strand
Strand 2	D	44	46	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	60	62	first strand
Strand 2	E	78	81	anti-parallel
Strand 3	E	107	112	parallel
Strand 4	E	131	136	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	177	178	first strand
Strand 2	E	207	214	parallel
Strand 3	E	196	201	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	169	170	first strand
Strand 2	G	142	153	anti-parallel
Strand 3	G	156	162	anti-parallel
Strand 4	G	107	111	parallel
Strand 5	G	98	102	anti-parallel
Strand 6	G	85	95	anti-parallel
Strand 7	G	142	153	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	129	131	first strand
Strand 2	G	136	138	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	54	58	first strand
Strand 2	H	7	16	anti-parallel
Strand 3	H	24	30	anti-parallel
Strand 4	H	37	42	anti-parallel
Strand 5	H	121	127	anti-parallel
Strand 6	H	112	118	anti-parallel
Strand 7	H	100	105	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	15	19	first strand
Strand 2	I	24	28	anti-parallel
Strand 3	I	35	37	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	70	71	first strand
Strand 2	I	83	84	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	21	23	first strand
Strand 2	K	30	36	anti-parallel
Strand 3	K	70	77	anti-parallel
Strand 4	K	56	63	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: 1Y1W

Analysis of interatomic Contacts of Structural Units in PDB entry:
1Y1W