Analysis of interatomic Contacts of Structural Units in PDB entry:
20YS

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 20YS entry

There are 10 chains in PDB entry 20YS (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	MET 1	GLU 608
A	ALA 610	ASN 852
B	MET 1	GLU 608
B	ALA 610	ASN 852
D	MET 1	GLU 608
D	ALA 610	ASN 852
E	MET 1	GLU 608
E	ALA 610	ASN 852
C	MET 1	GLU 608
C	ALA 610	ASN 852

There are191 helices in PDB entry 20YS. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	35	41	Right-handed 310
Helix 2	AA2	A	43	52	Right-handed alpha
Helix 3	AA3	A	54	59	Right-handed alpha
Helix 4	AA4	A	62	69	Right-handed alpha
Helix 5	AA5	A	71	79	Right-handed alpha
Helix 6	AA6	A	82	100	Right-handed alpha
Helix 7	AA7	A	128	144	Right-handed alpha
Helix 8	AA8	A	245	267	Right-handed alpha
Helix 9	AA9	A	282	296	Right-handed alpha
Helix 10	AB1	A	299	309	Right-handed alpha
Helix 11	AB2	A	319	323	Right-handed 310
Helix 12	AB3	A	327	335	Right-handed alpha
Helix 13	AB4	A	337	343	Right-handed alpha
Helix 14	AB5	A	345	352	Right-handed alpha
Helix 15	AB6	A	366	373	Right-handed alpha
Helix 16	AB7	A	381	392	Right-handed alpha
Helix 17	AB8	A	393	397	Right-handed 310
Helix 18	AB9	A	400	404	Right-handed 310
Helix 19	AC1	A	414	419	Right-handed alpha
Helix 20	AC2	A	420	428	Right-handed alpha
Helix 21	AC3	A	441	446	Right-handed alpha
Helix 22	AC4	A	447	450	Right-handed 310
Helix 23	AC5	A	452	482	Right-handed alpha
Helix 24	AC6	A	488	495	Right-handed alpha
Helix 25	AC7	A	510	514	Right-handed 310
Helix 26	AC8	A	516	520	Right-handed 310
Helix 27	AC9	A	521	530	Right-handed alpha
Helix 28	AD1	A	548	563	Right-handed alpha
Helix 29	AD2	A	578	589	Right-handed alpha
Helix 30	AD3	A	605	612	Right-handed alpha
Helix 31	AD4	A	624	629	Right-handed alpha
Helix 32	AD5	A	645	664	Right-handed alpha
Helix 33	AD6	A	665	670	Right-handed alpha
Helix 34	AD7	A	680	692	Right-handed alpha
Helix 35	AD8	A	693	696	Right-handed 310
Helix 36	AD9	A	697	709	Right-handed alpha
Helix 37	AE1	A	710	741	Right-handed alpha
Helix 38	AE2	B	23	27	Right-handed 310
Helix 39	AE3	B	28	33	Right-handed alpha
Helix 40	AE4	B	35	40	Right-handed 310
Helix 41	AE5	B	41	52	Right-handed alpha
Helix 42	AE6	B	62	69	Right-handed alpha
Helix 43	AE7	B	71	81	Right-handed alpha
Helix 44	AE8	B	81	100	Right-handed alpha
Helix 45	AE9	B	128	145	Right-handed alpha
Helix 46	AF1	B	245	267	Right-handed alpha
Helix 47	AF2	B	283	294	Right-handed alpha
Helix 48	AF3	B	299	304	Right-handed alpha
Helix 49	AF4	B	305	310	Right-handed alpha
Helix 50	AF5	B	319	323	Right-handed 310
Helix 51	AF6	B	327	335	Right-handed alpha
Helix 52	AF7	B	338	343	Right-handed alpha
Helix 53	AF8	B	345	352	Right-handed alpha
Helix 54	AF9	B	366	371	Right-handed alpha
Helix 55	AG1	B	381	392	Right-handed alpha
Helix 56	AG2	B	393	397	Right-handed 310
Helix 57	AG3	B	400	404	Right-handed 310
Helix 58	AG4	B	414	419	Right-handed alpha
Helix 59	AG5	B	420	431	Right-handed alpha
Helix 60	AG6	B	444	449	Right-handed 310
Helix 61	AG7	B	452	482	Right-handed alpha
Helix 62	AG8	B	487	494	Right-handed 310
Helix 63	AG9	B	514	519	Right-handed 310
Helix 64	AH1	B	521	530	Right-handed alpha
Helix 65	AH2	B	548	563	Right-handed alpha
Helix 66	AH3	B	584	589	Right-handed alpha
Helix 67	AH4	B	605	610	Right-handed alpha
Helix 68	AH5	B	624	629	Right-handed alpha
Helix 69	AH6	B	648	665	Right-handed alpha
Helix 70	AH7	B	665	670	Right-handed alpha
Helix 71	AH8	B	678	692	Right-handed alpha
Helix 72	AH9	B	693	696	Right-handed 310
Helix 73	AI1	B	697	709	Right-handed alpha
Helix 74	AI2	B	712	741	Right-handed alpha
Helix 75	AI3	B	742	745	Right-handed 310
Helix 76	AI4	D	23	27	Right-handed 310
Helix 77	AI5	D	28	33	Right-handed alpha
Helix 78	AI6	D	41	50	Right-handed alpha
Helix 79	AI7	D	52	57	Right-handed alpha
Helix 80	AI8	D	62	69	Right-handed alpha
Helix 81	AI9	D	71	80	Right-handed alpha
Helix 82	AJ1	D	82	100	Right-handed alpha
Helix 83	AJ2	D	128	144	Right-handed alpha
Helix 84	AJ3	D	245	267	Right-handed alpha
Helix 85	AJ4	D	282	294	Right-handed alpha
Helix 86	AJ5	D	299	307	Right-handed alpha
Helix 87	AJ6	D	319	323	Right-handed 310
Helix 88	AJ7	D	327	336	Right-handed alpha
Helix 89	AJ8	D	337	343	Right-handed alpha
Helix 90	AJ9	D	345	351	Right-handed alpha
Helix 91	AK1	D	366	374	Right-handed alpha
Helix 92	AK2	D	381	390	Right-handed alpha
Helix 93	AK3	D	400	404	Right-handed 310
Helix 94	AK4	D	414	419	Right-handed alpha
Helix 95	AK5	D	420	431	Right-handed alpha
Helix 96	AK6	D	434	438	Right-handed 310
Helix 97	AK7	D	441	446	Right-handed alpha
Helix 98	AK8	D	447	449	Right-handed 310
Helix 99	AK9	D	452	482	Right-handed alpha
Helix 100	AL1	D	521	530	Right-handed alpha
Helix 101	AL2	D	549	563	Right-handed alpha
Helix 102	AL3	D	578	589	Right-handed alpha
Helix 103	AL4	D	605	610	Right-handed alpha
Helix 104	AL5	D	624	629	Right-handed alpha
Helix 105	AL6	D	645	664	Right-handed alpha
Helix 106	AL7	D	665	670	Right-handed alpha
Helix 107	AL8	D	680	692	Right-handed alpha
Helix 108	AL9	D	693	696	Right-handed 310
Helix 109	AM1	D	697	709	Right-handed alpha
Helix 110	AM2	D	709	721	Right-handed alpha
Helix 111	AM3	D	721	741	Right-handed alpha
Helix 112	AM4	D	752	757	Right-handed alpha
Helix 113	AM5	E	28	33	Right-handed alpha
Helix 114	AM6	E	35	39	Right-handed 310
Helix 115	AM7	E	41	52	Right-handed alpha
Helix 116	AM8	E	62	70	Right-handed alpha
Helix 117	AM9	E	71	80	Right-handed alpha
Helix 118	AN1	E	82	100	Right-handed alpha
Helix 119	AN2	E	128	144	Right-handed alpha
Helix 120	AN3	E	234	238	Right-handed 310
Helix 121	AN4	E	245	267	Right-handed alpha
Helix 122	AN5	E	278	281	Right-handed 310
Helix 123	AN6	E	282	296	Right-handed alpha
Helix 124	AN7	E	299	309	Right-handed alpha
Helix 125	AN8	E	319	323	Right-handed 310
Helix 126	AN9	E	327	335	Right-handed alpha
Helix 127	AO1	E	338	343	Right-handed alpha
Helix 128	AO2	E	345	350	Right-handed alpha
Helix 129	AO3	E	366	374	Right-handed alpha
Helix 130	AO4	E	381	390	Right-handed alpha
Helix 131	AO5	E	400	404	Right-handed 310
Helix 132	AO6	E	414	419	Right-handed alpha
Helix 133	AO7	E	426	431	Right-handed alpha
Helix 134	AO8	E	441	446	Right-handed alpha
Helix 135	AO9	E	447	451	Right-handed 310
Helix 136	AP1	E	461	482	Right-handed alpha
Helix 137	AP2	E	485	487	Right-handed 310
Helix 138	AP3	E	488	493	Right-handed alpha
Helix 139	AP4	E	521	530	Right-handed alpha
Helix 140	AP5	E	548	563	Right-handed alpha
Helix 141	AP6	E	578	589	Right-handed alpha
Helix 142	AP7	E	610	614	Right-handed 310
Helix 143	AP8	E	624	629	Right-handed alpha
Helix 144	AP9	E	645	664	Right-handed alpha
Helix 145	AQ1	E	664	670	Right-handed alpha
Helix 146	AQ2	E	678	692	Right-handed alpha
Helix 147	AQ3	E	693	696	Right-handed 310
Helix 148	AQ4	E	697	709	Right-handed alpha
Helix 149	AQ5	E	709	721	Right-handed alpha
Helix 150	AQ6	E	725	740	Right-handed alpha
Helix 151	AQ7	C	28	33	Right-handed alpha
Helix 152	AQ8	C	35	40	Right-handed 310
Helix 153	AQ9	C	41	52	Right-handed alpha
Helix 154	AR1	C	52	59	Right-handed alpha
Helix 155	AR2	C	62	69	Right-handed alpha
Helix 156	AR3	C	71	80	Right-handed alpha
Helix 157	AR4	C	82	100	Right-handed alpha
Helix 158	AR5	C	129	144	Right-handed alpha
Helix 159	AR6	C	178	182	Right-handed 310
Helix 160	AR7	C	235	239	Right-handed 310
Helix 161	AR8	C	245	267	Right-handed alpha
Helix 162	AR9	C	279	281	Right-handed 310
Helix 163	AS1	C	282	296	Right-handed alpha
Helix 164	AS2	C	299	309	Right-handed alpha
Helix 165	AS3	C	319	323	Right-handed 310
Helix 166	AS4	C	328	333	Right-handed alpha
Helix 167	AS5	C	337	343	Right-handed alpha
Helix 168	AS6	C	345	352	Right-handed alpha
Helix 169	AS7	C	381	392	Right-handed alpha
Helix 170	AS8	C	400	404	Right-handed 310
Helix 171	AS9	C	414	419	Right-handed alpha
Helix 172	AT1	C	420	431	Right-handed alpha
Helix 173	AT2	C	441	446	Right-handed alpha
Helix 174	AT3	C	447	451	Right-handed 310
Helix 175	AT4	C	452	482	Right-handed alpha
Helix 176	AT5	C	488	495	Right-handed alpha
Helix 177	AT6	C	514	519	Right-handed 310
Helix 178	AT7	C	521	530	Right-handed alpha
Helix 179	AT8	C	548	563	Right-handed alpha
Helix 180	AT9	C	578	589	Right-handed alpha
Helix 181	AU1	C	604	612	Right-handed alpha
Helix 182	AU2	C	622	627	Right-handed 310
Helix 183	AU3	C	632	634	Right-handed 310
Helix 184	AU4	C	645	664	Right-handed alpha
Helix 185	AU5	C	664	670	Right-handed alpha
Helix 186	AU6	C	678	691	Right-handed alpha
Helix 187	AU7	C	692	696	Right-handed 310
Helix 188	AU8	C	697	709	Right-handed alpha
Helix 189	AU9	C	711	721	Right-handed alpha
Helix 190	AV1	C	721	742	Right-handed alpha
Helix 191	AV2	C	841	845	Right-handed 310

There are 40 sheets in PDB entry 20YS. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1, AB2, AB3, AB4, AB5, AB6, AB7, AB8, AB9, AC1, AC2, AC3, AC4, AC5, AC6, AC7, AC8, AC9, AD1, AD2, AD3, AD4, AD5, AD6, AD7, AD8, AD9, AE1, AE2, AE3, AE4,

There are 5 strands in AA1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	6	8	first strand
Strand 2	B	846	850	parallel
Strand 3	B	824	833	anti-parallel
Strand 4	A	14	19	anti-parallel
Strand 5	B	758	759	parallel

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There are 5 strands in AA2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	6	8	first strand
Strand 2	B	846	850	parallel
Strand 3	B	824	833	anti-parallel
Strand 4	B	780	791	anti-parallel
Strand 5	B	794	801	anti-parallel

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There are 3 strands in AA3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	185	186	first strand
Strand 2	A	205	215	anti-parallel
Strand 3	A	196	200	anti-parallel

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There are 9 strands in AA4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	185	186	first strand
Strand 2	A	205	215	anti-parallel
Strand 3	A	218	224	anti-parallel
Strand 4	A	147	153	parallel
Strand 5	A	109	113	parallel
Strand 6	A	273	276	parallel
Strand 7	A	311	314	parallel
Strand 8	A	376	379	parallel
Strand 9	A	407	408	parallel

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There are 2 strands in AA5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	161	164	first strand
Strand 2	A	170	173	anti-parallel

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There are 2 strands in AA6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	325	326	first strand
Strand 2	A	364	365	anti-parallel

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There are 6 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	571	574	first strand
Strand 2	A	536	541	parallel
Strand 3	A	501	506	parallel
Strand 4	A	591	594	parallel
Strand 5	A	616	620	parallel
Strand 6	A	634	637	parallel

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There are 4 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	747	750	first strand
Strand 2	A	764	771	anti-parallel
Strand 3	A	811	818	anti-parallel
Strand 4	A	803	808	anti-parallel

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There are 4 strands in AA9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	798	801	first strand
Strand 2	A	779	785	anti-parallel
Strand 3	A	824	834	anti-parallel
Strand 4	E	14	18	anti-parallel

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There are 4 strands in AB1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	14	15	first strand
Strand 2	C	827	829	anti-parallel
Strand 3	C	784	791	anti-parallel
Strand 4	C	794	796	anti-parallel

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There are 5 strands in AB2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	110	113	first strand
Strand 2	B	273	277	parallel
Strand 3	B	312	314	parallel
Strand 4	B	376	379	parallel
Strand 5	B	407	408	parallel

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There are 4 strands in AB3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	149	151	first strand
Strand 2	B	218	224	parallel
Strand 3	B	205	215	anti-parallel
Strand 4	B	185	186	anti-parallel

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There are 4 strands in AB4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	149	151	first strand
Strand 2	B	218	224	parallel
Strand 3	B	205	215	anti-parallel
Strand 4	B	196	200	anti-parallel

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There are 2 strands in AB5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	162	164	first strand
Strand 2	B	170	172	anti-parallel

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There are 2 strands in AB6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	325	326	first strand
Strand 2	B	364	365	anti-parallel

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There are 6 strands in AB7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	571	574	first strand
Strand 2	B	536	541	parallel
Strand 3	B	501	506	parallel
Strand 4	B	591	594	parallel
Strand 5	B	616	620	parallel
Strand 6	B	635	637	parallel

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There are 4 strands in AB8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	746	750	first strand
Strand 2	B	768	771	anti-parallel
Strand 3	B	811	814	anti-parallel
Strand 4	B	804	807	anti-parallel

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There are 2 strands in AB9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	764	765	first strand
Strand 2	B	817	818	anti-parallel

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There are 5 strands in AC1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	758	759	first strand
Strand 2	D	17	19	parallel
Strand 3	E	824	834	anti-parallel
Strand 4	E	779	791	anti-parallel
Strand 5	E	794	801	anti-parallel

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There are 3 strands in AC2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	185	186	first strand
Strand 2	D	204	215	anti-parallel
Strand 3	D	196	201	anti-parallel

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There are 9 strands in AC3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	185	186	first strand
Strand 2	D	204	215	anti-parallel
Strand 3	D	218	224	anti-parallel
Strand 4	D	147	153	parallel
Strand 5	D	109	113	parallel
Strand 6	D	273	277	parallel
Strand 7	D	311	314	parallel
Strand 8	D	376	379	parallel
Strand 9	D	407	408	parallel

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There are 2 strands in AC4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	161	164	first strand
Strand 2	D	170	173	anti-parallel

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There are 2 strands in AC5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	325	326	first strand
Strand 2	D	364	365	anti-parallel

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There are 6 strands in AC6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	571	574	first strand
Strand 2	D	536	541	parallel
Strand 3	D	501	506	parallel
Strand 4	D	591	594	parallel
Strand 5	D	616	620	parallel
Strand 6	D	635	637	parallel

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There are 7 strands in AC7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	747	750	first strand
Strand 2	D	764	771	anti-parallel
Strand 3	D	811	818	anti-parallel
Strand 4	D	794	808	anti-parallel
Strand 5	D	779	791	anti-parallel
Strand 6	D	827	834	anti-parallel
Strand 7	D	849	851	anti-parallel

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There are 2 strands in AC8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	758	759	first strand
Strand 2	C	18	19	parallel

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There are 2 strands in AC9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	846	847	first strand
Strand 2	C	6	7	parallel

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There are 3 strands in AD1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	185	186	first strand
Strand 2	E	205	215	anti-parallel
Strand 3	E	196	200	anti-parallel

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There are 9 strands in AD2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	185	186	first strand
Strand 2	E	205	215	anti-parallel
Strand 3	E	218	224	anti-parallel
Strand 4	E	147	153	parallel
Strand 5	E	109	113	parallel
Strand 6	E	273	276	parallel
Strand 7	E	311	314	parallel
Strand 8	E	376	379	parallel
Strand 9	E	407	408	parallel

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There are 2 strands in AD3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	161	164	first strand
Strand 2	E	170	173	anti-parallel

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There are 2 strands in AD4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	325	326	first strand
Strand 2	E	364	365	anti-parallel

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There are 6 strands in AD5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	571	574	first strand
Strand 2	E	536	541	parallel
Strand 3	E	501	506	parallel
Strand 4	E	591	594	parallel
Strand 5	E	616	620	parallel
Strand 6	E	635	637	parallel

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There are 4 strands in AD6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	747	750	first strand
Strand 2	E	764	771	anti-parallel
Strand 3	E	811	818	anti-parallel
Strand 4	E	803	807	anti-parallel

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There are 3 strands in AD7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	185	186	first strand
Strand 2	C	205	215	anti-parallel
Strand 3	C	196	200	anti-parallel

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There are 8 strands in AD8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	185	186	first strand
Strand 2	C	205	215	anti-parallel
Strand 3	C	218	224	anti-parallel
Strand 4	C	148	153	parallel
Strand 5	C	110	113	parallel
Strand 6	C	273	277	parallel
Strand 7	C	312	314	parallel
Strand 8	C	376	378	parallel

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There are 2 strands in AD9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	161	164	first strand
Strand 2	C	170	173	anti-parallel

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There are 4 strands in AE1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	571	574	first strand
Strand 2	C	536	541	parallel
Strand 3	C	501	504	parallel
Strand 4	C	591	592	parallel

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There are 2 strands in AE2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	619	620	first strand
Strand 2	C	636	637	parallel

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There are 3 strands in AE3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	746	747	first strand
Strand 2	C	770	771	anti-parallel
Strand 3	C	811	812	anti-parallel

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There are 2 strands in AE4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	803	804	first strand
Strand 2	C	814	815	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: 20YS

Analysis of interatomic Contacts of Structural Units in PDB entry:
20YS