Analysis of interatomic Contacts of Structural Units in PDB entry:
23OR

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 23OR entry

There are 16 chains in PDB entry 23OR (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	LYS 5	ASN 371
B	THR 2	GLU 744
C	A 17	G 81
D	C 1	T 75
E	LYS 5	ASN 371
F	THR 2	GLU 744
G	A 17	G 81
H	C 1	T 75
I	LYS 5	ASN 371
J	THR 2	GLU 744
K	A 17	G 81
L	C 1	T 75
M	LYS 5	ASN 371
N	THR 2	GLU 744
O	A 17	G 81
P	C 1	T 75

There are216 helices in PDB entry 23OR. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	10	17	Right-handed alpha
Helix 2	AA2	A	23	30	Right-handed alpha
Helix 3	AA3	A	37	39	Right-handed 310
Helix 4	AA4	A	58	71	Right-handed alpha
Helix 5	AA5	A	72	75	Right-handed 310
Helix 6	AA6	A	89	95	Right-handed alpha
Helix 7	AA7	A	96	100	Right-handed 310
Helix 8	AA8	A	116	125	Right-handed alpha
Helix 9	AA9	A	126	128	Right-handed 310
Helix 10	AB1	A	140	149	Right-handed alpha
Helix 11	AB2	A	168	177	Right-handed alpha
Helix 12	AB3	A	177	191	Right-handed alpha
Helix 13	AB4	A	211	214	Right-handed 310
Helix 14	AB5	A	215	227	Right-handed alpha
Helix 15	AB6	A	267	283	Right-handed alpha
Helix 16	AB7	A	286	294	Right-handed alpha
Helix 17	AB8	A	300	304	Right-handed 310
Helix 18	AB9	A	309	344	Right-handed alpha
Helix 19	AC1	A	347	371	Right-handed alpha
Helix 20	AC2	B	32	51	Right-handed alpha
Helix 21	AC3	B	76	85	Right-handed alpha
Helix 22	AC4	B	90	101	Right-handed alpha
Helix 23	AC5	B	101	108	Right-handed alpha
Helix 24	AC6	B	109	118	Right-handed alpha
Helix 25	AC7	B	143	154	Right-handed alpha
Helix 26	AC8	B	169	179	Right-handed alpha
Helix 27	AC9	B	183	187	Right-handed 310
Helix 28	AD1	B	188	201	Right-handed alpha
Helix 29	AD2	B	205	219	Right-handed alpha
Helix 30	AD3	B	224	237	Right-handed alpha
Helix 31	AD4	B	257	274	Right-handed alpha
Helix 32	AD5	B	292	310	Right-handed alpha
Helix 33	AD6	B	335	347	Right-handed alpha
Helix 34	AD7	B	374	380	Right-handed alpha
Helix 35	AD8	B	382	388	Right-handed alpha
Helix 36	AD9	B	389	391	Right-handed 310
Helix 37	AE1	B	399	407	Right-handed alpha
Helix 38	AE2	B	408	415	Right-handed alpha
Helix 39	AE3	B	417	421	Right-handed 310
Helix 40	AE4	B	427	435	Right-handed alpha
Helix 41	AE5	B	467	477	Right-handed alpha
Helix 42	AE6	B	490	501	Right-handed alpha
Helix 43	AE7	B	502	504	Right-handed 310
Helix 44	AE8	B	519	532	Right-handed alpha
Helix 45	AE9	B	542	548	Right-handed alpha
Helix 46	AF1	B	552	566	Right-handed alpha
Helix 47	AF2	B	619	636	Right-handed alpha
Helix 48	AF3	B	638	651	Right-handed alpha
Helix 49	AF4	B	659	667	Right-handed alpha
Helix 50	AF5	B	669	682	Right-handed alpha
Helix 51	AF6	B	684	692	Right-handed 310
Helix 52	AF7	B	696	713	Right-handed alpha
Helix 53	AF8	B	715	727	Right-handed alpha
Helix 54	AF9	B	727	744	Right-handed alpha
Helix 55	AG1	E	10	17	Right-handed alpha
Helix 56	AG2	E	23	30	Right-handed alpha
Helix 57	AG3	E	37	39	Right-handed 310
Helix 58	AG4	E	58	71	Right-handed alpha
Helix 59	AG5	E	72	75	Right-handed 310
Helix 60	AG6	E	89	95	Right-handed alpha
Helix 61	AG7	E	96	100	Right-handed 310
Helix 62	AG8	E	116	125	Right-handed alpha
Helix 63	AG9	E	126	128	Right-handed 310
Helix 64	AH1	E	140	149	Right-handed alpha
Helix 65	AH2	E	168	177	Right-handed alpha
Helix 66	AH3	E	177	191	Right-handed alpha
Helix 67	AH4	E	211	214	Right-handed 310
Helix 68	AH5	E	215	227	Right-handed alpha
Helix 69	AH6	E	267	283	Right-handed alpha
Helix 70	AH7	E	286	294	Right-handed alpha
Helix 71	AH8	E	300	304	Right-handed 310
Helix 72	AH9	E	309	344	Right-handed alpha
Helix 73	AI1	E	347	371	Right-handed alpha
Helix 74	AI2	F	32	51	Right-handed alpha
Helix 75	AI3	F	76	85	Right-handed alpha
Helix 76	AI4	F	90	101	Right-handed alpha
Helix 77	AI5	F	101	108	Right-handed alpha
Helix 78	AI6	F	109	118	Right-handed alpha
Helix 79	AI7	F	143	154	Right-handed alpha
Helix 80	AI8	F	169	179	Right-handed alpha
Helix 81	AI9	F	183	187	Right-handed 310
Helix 82	AJ1	F	188	201	Right-handed alpha
Helix 83	AJ2	F	205	219	Right-handed alpha
Helix 84	AJ3	F	224	237	Right-handed alpha
Helix 85	AJ4	F	257	274	Right-handed alpha
Helix 86	AJ5	F	292	310	Right-handed alpha
Helix 87	AJ6	F	335	347	Right-handed alpha
Helix 88	AJ7	F	374	380	Right-handed alpha
Helix 89	AJ8	F	382	388	Right-handed alpha
Helix 90	AJ9	F	389	391	Right-handed 310
Helix 91	AK1	F	399	407	Right-handed alpha
Helix 92	AK2	F	408	415	Right-handed alpha
Helix 93	AK3	F	417	421	Right-handed 310
Helix 94	AK4	F	427	435	Right-handed alpha
Helix 95	AK5	F	467	478	Right-handed alpha
Helix 96	AK6	F	490	501	Right-handed alpha
Helix 97	AK7	F	502	504	Right-handed 310
Helix 98	AK8	F	519	532	Right-handed alpha
Helix 99	AK9	F	542	548	Right-handed alpha
Helix 100	AL1	F	552	566	Right-handed alpha
Helix 101	AL2	F	619	636	Right-handed alpha
Helix 102	AL3	F	638	651	Right-handed alpha
Helix 103	AL4	F	659	667	Right-handed alpha
Helix 104	AL5	F	669	682	Right-handed alpha
Helix 105	AL6	F	684	692	Right-handed 310
Helix 106	AL7	F	696	713	Right-handed alpha
Helix 107	AL8	F	715	727	Right-handed alpha
Helix 108	AL9	F	727	744	Right-handed alpha
Helix 109	AM1	I	10	17	Right-handed alpha
Helix 110	AM2	I	23	30	Right-handed alpha
Helix 111	AM3	I	37	39	Right-handed 310
Helix 112	AM4	I	58	71	Right-handed alpha
Helix 113	AM5	I	72	75	Right-handed 310
Helix 114	AM6	I	89	95	Right-handed alpha
Helix 115	AM7	I	96	100	Right-handed 310
Helix 116	AM8	I	116	125	Right-handed alpha
Helix 117	AM9	I	126	128	Right-handed 310
Helix 118	AN1	I	140	149	Right-handed alpha
Helix 119	AN2	I	168	177	Right-handed alpha
Helix 120	AN3	I	177	191	Right-handed alpha
Helix 121	AN4	I	211	214	Right-handed 310
Helix 122	AN5	I	215	227	Right-handed alpha
Helix 123	AN6	I	267	283	Right-handed alpha
Helix 124	AN7	I	286	294	Right-handed alpha
Helix 125	AN8	I	300	304	Right-handed 310
Helix 126	AN9	I	309	344	Right-handed alpha
Helix 127	AO1	I	347	371	Right-handed alpha
Helix 128	AO2	J	32	51	Right-handed alpha
Helix 129	AO3	J	76	85	Right-handed alpha
Helix 130	AO4	J	90	101	Right-handed alpha
Helix 131	AO5	J	101	108	Right-handed alpha
Helix 132	AO6	J	109	118	Right-handed alpha
Helix 133	AO7	J	143	154	Right-handed alpha
Helix 134	AO8	J	169	179	Right-handed alpha
Helix 135	AO9	J	183	187	Right-handed 310
Helix 136	AP1	J	188	201	Right-handed alpha
Helix 137	AP2	J	205	219	Right-handed alpha
Helix 138	AP3	J	224	237	Right-handed alpha
Helix 139	AP4	J	257	274	Right-handed alpha
Helix 140	AP5	J	292	310	Right-handed alpha
Helix 141	AP6	J	335	347	Right-handed alpha
Helix 142	AP7	J	374	380	Right-handed alpha
Helix 143	AP8	J	382	388	Right-handed alpha
Helix 144	AP9	J	389	391	Right-handed 310
Helix 145	AQ1	J	399	407	Right-handed alpha
Helix 146	AQ2	J	408	415	Right-handed alpha
Helix 147	AQ3	J	417	421	Right-handed 310
Helix 148	AQ4	J	427	435	Right-handed alpha
Helix 149	AQ5	J	467	478	Right-handed alpha
Helix 150	AQ6	J	490	501	Right-handed alpha
Helix 151	AQ7	J	502	504	Right-handed 310
Helix 152	AQ8	J	519	532	Right-handed alpha
Helix 153	AQ9	J	542	548	Right-handed alpha
Helix 154	AR1	J	552	566	Right-handed alpha
Helix 155	AR2	J	619	636	Right-handed alpha
Helix 156	AR3	J	638	651	Right-handed alpha
Helix 157	AR4	J	659	667	Right-handed alpha
Helix 158	AR5	J	669	682	Right-handed alpha
Helix 159	AR6	J	684	692	Right-handed 310
Helix 160	AR7	J	696	713	Right-handed alpha
Helix 161	AR8	J	715	727	Right-handed alpha
Helix 162	AR9	J	727	744	Right-handed alpha
Helix 163	AS1	M	10	17	Right-handed alpha
Helix 164	AS2	M	23	30	Right-handed alpha
Helix 165	AS3	M	37	39	Right-handed 310
Helix 166	AS4	M	58	71	Right-handed alpha
Helix 167	AS5	M	72	75	Right-handed 310
Helix 168	AS6	M	89	95	Right-handed alpha
Helix 169	AS7	M	96	100	Right-handed 310
Helix 170	AS8	M	116	125	Right-handed alpha
Helix 171	AS9	M	126	128	Right-handed 310
Helix 172	AT1	M	140	149	Right-handed alpha
Helix 173	AT2	M	168	177	Right-handed alpha
Helix 174	AT3	M	177	191	Right-handed alpha
Helix 175	AT4	M	211	214	Right-handed 310
Helix 176	AT5	M	215	227	Right-handed alpha
Helix 177	AT6	M	267	283	Right-handed alpha
Helix 178	AT7	M	286	294	Right-handed alpha
Helix 179	AT8	M	300	304	Right-handed 310
Helix 180	AT9	M	309	344	Right-handed alpha
Helix 181	AU1	M	347	371	Right-handed alpha
Helix 182	AU2	N	32	51	Right-handed alpha
Helix 183	AU3	N	76	85	Right-handed alpha
Helix 184	AU4	N	90	101	Right-handed alpha
Helix 185	AU5	N	101	108	Right-handed alpha
Helix 186	AU6	N	109	118	Right-handed alpha
Helix 187	AU7	N	143	154	Right-handed alpha
Helix 188	AU8	N	169	179	Right-handed alpha
Helix 189	AU9	N	183	187	Right-handed 310
Helix 190	AV1	N	188	201	Right-handed alpha
Helix 191	AV2	N	205	219	Right-handed alpha
Helix 192	AV3	N	224	237	Right-handed alpha
Helix 193	AV4	N	257	274	Right-handed alpha
Helix 194	AV5	N	292	310	Right-handed alpha
Helix 195	AV6	N	335	347	Right-handed alpha
Helix 196	AV7	N	374	380	Right-handed alpha
Helix 197	AV8	N	382	388	Right-handed alpha
Helix 198	AV9	N	389	391	Right-handed 310
Helix 199	AW1	N	399	407	Right-handed alpha
Helix 200	AW2	N	408	415	Right-handed alpha
Helix 201	AW3	N	417	421	Right-handed 310
Helix 202	AW4	N	427	435	Right-handed alpha
Helix 203	AW5	N	467	477	Right-handed alpha
Helix 204	AW6	N	490	501	Right-handed alpha
Helix 205	AW7	N	502	504	Right-handed 310
Helix 206	AW8	N	519	532	Right-handed alpha
Helix 207	AW9	N	542	548	Right-handed alpha
Helix 208	AX1	N	552	566	Right-handed alpha
Helix 209	AX2	N	619	636	Right-handed alpha
Helix 210	AX3	N	638	651	Right-handed alpha
Helix 211	AX4	N	659	667	Right-handed alpha
Helix 212	AX5	N	669	682	Right-handed alpha
Helix 213	AX6	N	684	692	Right-handed 310
Helix 214	AX7	N	696	713	Right-handed alpha
Helix 215	AX8	N	715	727	Right-handed alpha
Helix 216	AX9	N	727	744	Right-handed alpha

There are 36 sheets in PDB entry 23OR. 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,

There are 2 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	41	46	first strand
Strand 2	A	49	54	anti-parallel

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There are 4 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	194	198	first strand
Strand 2	A	201	206	anti-parallel
Strand 3	A	102	106	anti-parallel
Strand 4	A	239	241	anti-parallel

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There are 2 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	132	134	first strand
Strand 2	A	138	139	anti-parallel

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There are 3 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	244	247	first strand
Strand 2	A	250	253	anti-parallel
Strand 3	A	263	266	anti-parallel

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There are 5 strands in AA5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	16	20	first strand
Strand 2	B	3	9	anti-parallel
Strand 3	B	67	75	anti-parallel
Strand 4	B	124	132	anti-parallel
Strand 5	B	137	139	anti-parallel

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There are 6 strands in AA6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	156	160	first strand
Strand 2	B	281	285	parallel
Strand 3	B	328	332	parallel
Strand 4	B	25	30	parallel
Strand 5	B	350	357	parallel
Strand 6	B	363	368	anti-parallel

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There are 4 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	422	425	first strand
Strand 2	B	394	397	parallel
Strand 3	B	445	450	parallel
Strand 4	B	536	539	parallel

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There are 2 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	455	456	first strand
Strand 2	B	465	466	anti-parallel

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There are 2 strands in AA9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	508	509	first strand
Strand 2	B	514	515	anti-parallel

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There are 2 strands in AB1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	41	46	first strand
Strand 2	E	49	54	anti-parallel

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There are 4 strands in AB2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	194	198	first strand
Strand 2	E	201	206	anti-parallel
Strand 3	E	102	106	anti-parallel
Strand 4	E	239	241	anti-parallel

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There are 2 strands in AB3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	132	134	first strand
Strand 2	E	138	139	anti-parallel

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There are 3 strands in AB4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	244	247	first strand
Strand 2	E	250	253	anti-parallel
Strand 3	E	263	266	anti-parallel

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There are 5 strands in AB5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	16	20	first strand
Strand 2	F	3	9	anti-parallel
Strand 3	F	67	75	anti-parallel
Strand 4	F	124	132	anti-parallel
Strand 5	F	137	139	anti-parallel

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There are 6 strands in AB6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	156	160	first strand
Strand 2	F	281	285	parallel
Strand 3	F	328	332	parallel
Strand 4	F	25	30	parallel
Strand 5	F	350	357	parallel
Strand 6	F	363	368	anti-parallel

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There are 4 strands in AB7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	422	425	first strand
Strand 2	F	394	397	parallel
Strand 3	F	445	450	parallel
Strand 4	F	536	539	parallel

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There are 2 strands in AB8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	455	456	first strand
Strand 2	F	465	466	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	F	508	509	first strand
Strand 2	F	514	515	anti-parallel

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There are 2 strands in AC1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	41	46	first strand
Strand 2	I	49	54	anti-parallel

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There are 4 strands in AC2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	194	198	first strand
Strand 2	I	201	206	anti-parallel
Strand 3	I	102	106	anti-parallel
Strand 4	I	239	241	anti-parallel

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There are 2 strands in AC3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	132	134	first strand
Strand 2	I	138	139	anti-parallel

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There are 3 strands in AC4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	244	247	first strand
Strand 2	I	250	253	anti-parallel
Strand 3	I	263	266	anti-parallel

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There are 5 strands in AC5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	16	20	first strand
Strand 2	J	3	9	anti-parallel
Strand 3	J	67	75	anti-parallel
Strand 4	J	124	132	anti-parallel
Strand 5	J	137	139	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	J	156	160	first strand
Strand 2	J	281	285	parallel
Strand 3	J	328	332	parallel
Strand 4	J	25	30	parallel
Strand 5	J	350	357	parallel
Strand 6	J	363	368	anti-parallel

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There are 4 strands in AC7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	422	425	first strand
Strand 2	J	394	397	parallel
Strand 3	J	445	450	parallel
Strand 4	J	536	539	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	J	455	456	first strand
Strand 2	J	465	466	anti-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	J	508	509	first strand
Strand 2	J	514	515	anti-parallel

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There are 2 strands in AD1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	41	46	first strand
Strand 2	M	49	54	anti-parallel

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There are 4 strands in AD2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	194	198	first strand
Strand 2	M	201	206	anti-parallel
Strand 3	M	102	106	anti-parallel
Strand 4	M	239	241	anti-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	M	132	134	first strand
Strand 2	M	138	139	anti-parallel

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There are 3 strands in AD4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	244	247	first strand
Strand 2	M	250	253	anti-parallel
Strand 3	M	263	266	anti-parallel

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There are 5 strands in AD5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	16	20	first strand
Strand 2	N	3	9	anti-parallel
Strand 3	N	67	75	anti-parallel
Strand 4	N	124	132	anti-parallel
Strand 5	N	137	139	anti-parallel

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There are 6 strands in AD6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	156	160	first strand
Strand 2	N	281	285	parallel
Strand 3	N	328	332	parallel
Strand 4	N	25	30	parallel
Strand 5	N	350	357	parallel
Strand 6	N	363	368	anti-parallel

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There are 4 strands in AD7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	422	425	first strand
Strand 2	N	394	397	parallel
Strand 3	N	445	450	parallel
Strand 4	N	536	539	parallel

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There are 2 strands in AD8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	455	456	first strand
Strand 2	N	465	466	anti-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	N	508	509	first strand
Strand 2	N	514	515	anti-parallel

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Analysis of interatomic Contacts of Structural Units in PDB entry: 23OR

Analysis of interatomic Contacts of Structural Units in PDB entry:
23OR