Analysis of interatomic Contacts of Structural Units in PDB entry:
9X1N

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 9X1N entry

There are 10 chains in PDB entry 9X1N (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	MET 1	GLU 578
B	MET 1	GLU 578
C	MET 1	GLU 578
D	MET 1	GLU 578
E	MET 1	GLU 578
F	MET 1	GLU 578
G	MET 1	GLU 443
H	MET 1	GLU 443
I	A 1	A 20
J	T 1	T 20

There are173 helices in PDB entry 9X1N. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	49	55	Right-handed alpha
Helix 2	AA2	A	84	95	Right-handed alpha
Helix 3	AA3	A	95	100	Right-handed alpha
Helix 4	AA4	A	141	149	Right-handed alpha
Helix 5	AA5	A	173	179	Right-handed alpha
Helix 6	AA6	A	191	205	Right-handed alpha
Helix 7	AA7	A	227	230	Right-handed 310
Helix 8	AA8	A	240	244	Right-handed 310
Helix 9	AA9	A	245	253	Right-handed alpha
Helix 10	AB1	A	259	278	Right-handed alpha
Helix 11	AB2	A	282	299	Right-handed alpha
Helix 12	AB3	A	319	341	Right-handed alpha
Helix 13	AB4	A	348	353	Right-handed 310
Helix 14	AB5	A	367	402	Right-handed alpha
Helix 15	AB6	A	410	428	Right-handed alpha
Helix 16	AB7	A	429	433	Right-handed 310
Helix 17	AB8	A	441	446	Right-handed alpha
Helix 18	AB9	A	454	465	Right-handed alpha
Helix 19	AC1	A	466	469	Right-handed 310
Helix 20	AC2	A	478	482	Right-handed 310
Helix 21	AC3	A	483	488	Right-handed alpha
Helix 22	AC4	A	500	509	Right-handed alpha
Helix 23	AC5	A	517	524	Right-handed alpha
Helix 24	AC6	A	548	552	Right-handed 310
Helix 25	AC7	A	561	578	Right-handed alpha
Helix 26	AC8	B	50	55	Right-handed alpha
Helix 27	AC9	B	84	96	Right-handed alpha
Helix 28	AD1	B	97	101	Right-handed 310
Helix 29	AD2	B	141	149	Right-handed alpha
Helix 30	AD3	B	173	179	Right-handed alpha
Helix 31	AD4	B	190	207	Right-handed alpha
Helix 32	AD5	B	227	230	Right-handed 310
Helix 33	AD6	B	240	244	Right-handed 310
Helix 34	AD7	B	245	254	Right-handed alpha
Helix 35	AD8	B	259	277	Right-handed alpha
Helix 36	AD9	B	281	297	Right-handed alpha
Helix 37	AE1	B	319	341	Right-handed alpha
Helix 38	AE2	B	342	344	Right-handed 310
Helix 39	AE3	B	348	353	Right-handed 310
Helix 40	AE4	B	367	403	Right-handed alpha
Helix 41	AE5	B	406	409	Right-handed 310
Helix 42	AE6	B	410	428	Right-handed alpha
Helix 43	AE7	B	429	432	Right-handed 310
Helix 44	AE8	B	441	446	Right-handed alpha
Helix 45	AE9	B	452	465	Right-handed alpha
Helix 46	AF1	B	483	488	Right-handed alpha
Helix 47	AF2	B	500	511	Right-handed alpha
Helix 48	AF3	B	515	523	Right-handed alpha
Helix 49	AF4	B	548	552	Right-handed 310
Helix 50	AF5	B	561	578	Right-handed alpha
Helix 51	AF6	C	49	54	Right-handed alpha
Helix 52	AF7	C	84	95	Right-handed alpha
Helix 53	AF8	C	95	101	Right-handed alpha
Helix 54	AF9	C	141	149	Right-handed alpha
Helix 55	AG1	C	173	179	Right-handed alpha
Helix 56	AG2	C	190	207	Right-handed alpha
Helix 57	AG3	C	245	253	Right-handed alpha
Helix 58	AG4	C	259	278	Right-handed alpha
Helix 59	AG5	C	282	300	Right-handed alpha
Helix 60	AG6	C	319	340	Right-handed alpha
Helix 61	AG7	C	367	401	Right-handed alpha
Helix 62	AG8	C	402	406	Right-handed 310
Helix 63	AG9	C	410	428	Right-handed alpha
Helix 64	AH1	C	429	433	Right-handed 310
Helix 65	AH2	C	441	446	Right-handed alpha
Helix 66	AH3	C	452	469	Right-handed alpha
Helix 67	AH4	C	478	482	Right-handed 310
Helix 68	AH5	C	483	488	Right-handed alpha
Helix 69	AH6	C	500	511	Right-handed alpha
Helix 70	AH7	C	548	552	Right-handed 310
Helix 71	AH8	C	561	578	Right-handed alpha
Helix 72	AH9	D	49	55	Right-handed alpha
Helix 73	AI1	D	76	80	Right-handed alpha
Helix 74	AI2	D	84	95	Right-handed alpha
Helix 75	AI3	D	95	101	Right-handed alpha
Helix 76	AI4	D	141	149	Right-handed alpha
Helix 77	AI5	D	173	179	Right-handed alpha
Helix 78	AI6	D	190	206	Right-handed alpha
Helix 79	AI7	D	227	230	Right-handed 310
Helix 80	AI8	D	245	253	Right-handed alpha
Helix 81	AI9	D	259	278	Right-handed alpha
Helix 82	AJ1	D	282	300	Right-handed alpha
Helix 83	AJ2	D	319	345	Right-handed alpha
Helix 84	AJ3	D	367	403	Right-handed alpha
Helix 85	AJ4	D	410	428	Right-handed alpha
Helix 86	AJ5	D	429	433	Right-handed 310
Helix 87	AJ6	D	441	446	Right-handed alpha
Helix 88	AJ7	D	453	465	Right-handed alpha
Helix 89	AJ8	D	483	488	Right-handed alpha
Helix 90	AJ9	D	500	510	Right-handed alpha
Helix 91	AK1	D	513	519	Right-handed alpha
Helix 92	AK2	D	548	552	Right-handed 310
Helix 93	AK3	D	561	578	Right-handed alpha
Helix 94	AK4	E	49	55	Right-handed alpha
Helix 95	AK5	E	84	96	Right-handed alpha
Helix 96	AK6	E	97	101	Right-handed 310
Helix 97	AK7	E	141	149	Right-handed alpha
Helix 98	AK8	E	173	178	Right-handed alpha
Helix 99	AK9	E	190	207	Right-handed alpha
Helix 100	AL1	E	227	230	Right-handed 310
Helix 101	AL2	E	245	253	Right-handed alpha
Helix 102	AL3	E	259	278	Right-handed alpha
Helix 103	AL4	E	282	300	Right-handed alpha
Helix 104	AL5	E	319	341	Right-handed alpha
Helix 105	AL6	E	348	353	Right-handed 310
Helix 106	AL7	E	370	403	Right-handed alpha
Helix 107	AL8	E	406	428	Right-handed alpha
Helix 108	AL9	E	429	433	Right-handed 310
Helix 109	AM1	E	441	446	Right-handed alpha
Helix 110	AM2	E	452	469	Right-handed alpha
Helix 111	AM3	E	483	488	Right-handed alpha
Helix 112	AM4	E	500	511	Right-handed alpha
Helix 113	AM5	E	513	521	Right-handed 310
Helix 114	AM6	E	548	552	Right-handed 310
Helix 115	AM7	E	561	577	Right-handed alpha
Helix 116	AM8	F	49	55	Right-handed alpha
Helix 117	AM9	F	84	95	Right-handed alpha
Helix 118	AN1	F	96	102	Right-handed alpha
Helix 119	AN2	F	141	150	Right-handed alpha
Helix 120	AN3	F	173	179	Right-handed alpha
Helix 121	AN4	F	190	205	Right-handed alpha
Helix 122	AN5	F	245	253	Right-handed alpha
Helix 123	AN6	F	260	278	Right-handed alpha
Helix 124	AN7	F	282	300	Right-handed alpha
Helix 125	AN8	F	319	341	Right-handed alpha
Helix 126	AN9	F	349	353	Right-handed 310
Helix 127	AO1	F	367	403	Right-handed alpha
Helix 128	AO2	F	404	407	Right-handed 310
Helix 129	AO3	F	410	428	Right-handed alpha
Helix 130	AO4	F	429	433	Right-handed 310
Helix 131	AO5	F	441	446	Right-handed alpha
Helix 132	AO6	F	453	469	Right-handed alpha
Helix 133	AO7	F	478	482	Right-handed 310
Helix 134	AO8	F	483	489	Right-handed alpha
Helix 135	AO9	F	500	511	Right-handed alpha
Helix 136	AP1	F	515	521	Right-handed alpha
Helix 137	AP2	F	547	551	Right-handed 310
Helix 138	AP3	F	561	578	Right-handed alpha
Helix 139	AP4	G	6	27	Right-handed alpha
Helix 140	AP5	G	90	114	Right-handed alpha
Helix 141	AP6	G	124	131	Right-handed alpha
Helix 142	AP7	G	135	150	Right-handed alpha
Helix 143	AP8	G	153	179	Right-handed alpha
Helix 144	AP9	G	187	192	Right-handed alpha
Helix 145	AQ1	G	193	195	Right-handed 310
Helix 146	AQ2	G	196	203	Right-handed alpha
Helix 147	AQ3	G	255	279	Right-handed alpha
Helix 148	AQ4	G	295	300	Right-handed alpha
Helix 149	AQ5	G	304	318	Right-handed alpha
Helix 150	AQ6	G	339	344	Right-handed alpha
Helix 151	AQ7	G	346	356	Right-handed alpha
Helix 152	AQ8	G	380	388	Right-handed alpha
Helix 153	AQ9	G	397	406	Right-handed alpha
Helix 154	AR1	G	409	428	Right-handed alpha
Helix 155	AR2	G	429	434	Right-handed 310
Helix 156	AR3	H	6	27	Right-handed alpha
Helix 157	AR4	H	87	89	Right-handed 310
Helix 158	AR5	H	90	114	Right-handed alpha
Helix 159	AR6	H	124	131	Right-handed alpha
Helix 160	AR7	H	134	150	Right-handed alpha
Helix 161	AR8	H	153	179	Right-handed alpha
Helix 162	AR9	H	187	192	Right-handed alpha
Helix 163	AS1	H	193	195	Right-handed 310
Helix 164	AS2	H	196	205	Right-handed alpha
Helix 165	AS3	H	257	279	Right-handed alpha
Helix 166	AS4	H	293	298	Right-handed alpha
Helix 167	AS5	H	304	318	Right-handed alpha
Helix 168	AS6	H	339	346	Right-handed alpha
Helix 169	AS7	H	346	356	Right-handed alpha
Helix 170	AS8	H	380	388	Right-handed alpha
Helix 171	AS9	H	396	407	Right-handed alpha
Helix 172	AT1	H	409	428	Right-handed alpha
Helix 173	AT2	H	429	435	Right-handed 310

There are 23 sheets in PDB entry 9X1N. 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,

There are 8 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	121	125	first strand
Strand 2	A	103	118	anti-parallel
Strand 3	A	63	75	anti-parallel
Strand 4	A	38	42	anti-parallel
Strand 5	A	136	139	anti-parallel
Strand 6	A	12	15	anti-parallel
Strand 7	A	22	27	anti-parallel
Strand 8	A	103	118	anti-parallel

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There are 11 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	168	172	first strand
Strand 2	A	155	161	anti-parallel
Strand 3	A	541	545	anti-parallel
Strand 4	A	529	534	anti-parallel
Strand 5	A	492	495	anti-parallel
Strand 6	A	181	184	parallel
Strand 7	A	473	476	parallel
Strand 8	A	435	440	parallel
Strand 9	A	209	214	parallel
Strand 10	A	358	362	parallel
Strand 11	A	232	236	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	303	305	first strand
Strand 2	A	312	314	anti-parallel

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There are 8 strands in AA4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	121	125	first strand
Strand 2	B	103	118	anti-parallel
Strand 3	B	63	75	anti-parallel
Strand 4	B	38	42	anti-parallel
Strand 5	B	136	139	anti-parallel
Strand 6	B	12	15	anti-parallel
Strand 7	B	22	27	anti-parallel
Strand 8	B	103	118	anti-parallel

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There are 11 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	168	172	first strand
Strand 2	B	155	161	anti-parallel
Strand 3	B	541	544	anti-parallel
Strand 4	B	529	534	anti-parallel
Strand 5	B	492	495	anti-parallel
Strand 6	B	181	184	parallel
Strand 7	B	473	476	parallel
Strand 8	B	436	440	parallel
Strand 9	B	210	214	parallel
Strand 10	B	358	362	parallel
Strand 11	B	232	236	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	B	303	305	first strand
Strand 2	B	312	314	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	C	12	15	first strand
Strand 2	C	22	27	anti-parallel
Strand 3	C	103	118	anti-parallel
Strand 4	C	121	125	anti-parallel

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There are 6 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	12	15	first strand
Strand 2	C	22	27	anti-parallel
Strand 3	C	103	118	anti-parallel
Strand 4	C	63	75	anti-parallel
Strand 5	C	38	42	anti-parallel
Strand 6	C	137	139	anti-parallel

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There are 11 strands in AA9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	168	172	first strand
Strand 2	C	155	161	anti-parallel
Strand 3	C	541	545	anti-parallel
Strand 4	C	529	533	anti-parallel
Strand 5	C	490	495	anti-parallel
Strand 6	C	180	184	parallel
Strand 7	C	470	476	parallel
Strand 8	C	435	439	parallel
Strand 9	C	209	214	parallel
Strand 10	C	358	362	parallel
Strand 11	C	232	236	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	C	303	306	first strand
Strand 2	C	311	314	anti-parallel

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There are 8 strands in AB2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	121	125	first strand
Strand 2	D	103	118	anti-parallel
Strand 3	D	63	75	anti-parallel
Strand 4	D	38	42	anti-parallel
Strand 5	D	136	139	anti-parallel
Strand 6	D	12	15	anti-parallel
Strand 7	D	22	27	anti-parallel
Strand 8	D	103	118	anti-parallel

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There are 11 strands in AB3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	168	172	first strand
Strand 2	D	155	161	anti-parallel
Strand 3	D	541	545	anti-parallel
Strand 4	D	529	534	anti-parallel
Strand 5	D	492	495	anti-parallel
Strand 6	D	181	184	parallel
Strand 7	D	473	476	parallel
Strand 8	D	435	439	parallel
Strand 9	D	209	214	parallel
Strand 10	D	358	362	parallel
Strand 11	D	232	235	parallel

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There are 2 strands in AB4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	303	306	first strand
Strand 2	D	311	314	anti-parallel

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There are 8 strands in AB5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	121	125	first strand
Strand 2	E	103	118	anti-parallel
Strand 3	E	63	75	anti-parallel
Strand 4	E	38	42	anti-parallel
Strand 5	E	136	139	anti-parallel
Strand 6	E	12	14	anti-parallel
Strand 7	E	22	27	anti-parallel
Strand 8	E	103	118	anti-parallel

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There are 11 strands in AB6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	168	172	first strand
Strand 2	E	155	161	anti-parallel
Strand 3	E	541	545	anti-parallel
Strand 4	E	529	534	anti-parallel
Strand 5	E	492	495	anti-parallel
Strand 6	E	181	184	parallel
Strand 7	E	470	476	parallel
Strand 8	E	435	439	parallel
Strand 9	E	209	214	parallel
Strand 10	E	358	362	parallel
Strand 11	E	232	236	parallel

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There are 2 strands in AB7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	302	306	first strand
Strand 2	E	311	315	anti-parallel

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There are 8 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	121	125	first strand
Strand 2	F	103	118	anti-parallel
Strand 3	F	63	75	anti-parallel
Strand 4	F	38	42	anti-parallel
Strand 5	F	136	139	anti-parallel
Strand 6	F	12	14	anti-parallel
Strand 7	F	22	27	anti-parallel
Strand 8	F	103	118	anti-parallel

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There are 11 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	168	172	first strand
Strand 2	F	155	161	anti-parallel
Strand 3	F	541	545	anti-parallel
Strand 4	F	529	534	anti-parallel
Strand 5	F	490	495	anti-parallel
Strand 6	F	180	184	parallel
Strand 7	F	473	476	parallel
Strand 8	F	435	440	parallel
Strand 9	F	209	214	parallel
Strand 10	F	358	362	parallel
Strand 11	F	232	235	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	F	303	306	first strand
Strand 2	F	311	314	anti-parallel

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There are 9 strands in AC2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	181	183	first strand
Strand 2	G	76	84	parallel
Strand 3	G	61	71	anti-parallel
Strand 4	G	45	56	anti-parallel
Strand 5	G	118	122	parallel
Strand 6	G	283	287	parallel
Strand 7	G	371	375	anti-parallel
Strand 8	G	358	363	anti-parallel
Strand 9	G	323	324	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	G	181	183	first strand
Strand 2	G	76	84	parallel
Strand 3	G	61	71	anti-parallel
Strand 4	G	45	56	anti-parallel
Strand 5	G	118	122	parallel
Strand 6	G	283	287	parallel
Strand 7	G	371	375	anti-parallel
Strand 8	G	358	363	anti-parallel
Strand 9	G	328	329	anti-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	G	391	392	first strand
Strand 2	G	395	396	anti-parallel

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There are 9 strands in AC5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	181	183	first strand
Strand 2	H	76	84	parallel
Strand 3	H	61	71	anti-parallel
Strand 4	H	45	56	anti-parallel
Strand 5	H	118	122	parallel
Strand 6	H	283	287	parallel
Strand 7	H	371	375	anti-parallel
Strand 8	H	359	363	anti-parallel
Strand 9	H	323	328	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: 9X1N

Analysis of interatomic Contacts of Structural Units in PDB entry:
9X1N