Analysis of interatomic Contacts of Structural Units in PDB entry:
8IT1

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 8IT1 entry

There are 16 chains in PDB entry 8IT1 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	MET 1	ILE 507
B	MET 1	GLU 450
E	MET 1	ILE 507
F	MET 1	GLU 450
I	MET 1	ILE 507
J	MET 1	GLU 450
M	MET 1	ILE 507
N	MET 1	GLU 450
K	A 22	T 45
L	U 1	U 21
O	A 22	T 45
P	U 1	U 21
C	A 22	T 45
D	U 1	U 21
G	A 22	T 45
H	U 1	U 21

There are130 helices in PDB entry 8IT1. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	15	17	Right-handed 310
Helix 2	AA2	A	22	30	Right-handed alpha
Helix 3	AA3	A	46	62	Right-handed alpha
Helix 4	AA4	A	77	83	Right-handed alpha
Helix 5	AA5	A	97	106	Right-handed alpha
Helix 6	AA6	A	109	132	Right-handed alpha
Helix 7	AA7	A	144	151	Right-handed alpha
Helix 8	AA8	A	205	215	Right-handed alpha
Helix 9	AA9	A	216	218	Right-handed 310
Helix 10	AB1	A	226	230	Right-handed alpha
Helix 11	AB2	A	248	265	Right-handed alpha
Helix 12	AB3	A	331	351	Right-handed alpha
Helix 13	AB4	A	366	377	Right-handed alpha
Helix 14	AB5	A	451	463	Right-handed alpha
Helix 15	AB6	A	477	492	Right-handed alpha
Helix 16	AB7	B	14	29	Right-handed alpha
Helix 17	AB8	B	45	56	Right-handed alpha
Helix 18	AB9	B	71	89	Right-handed alpha
Helix 19	AC1	B	104	108	Right-handed 310
Helix 20	AC2	B	109	115	Right-handed alpha
Helix 21	AC3	B	124	138	Right-handed alpha
Helix 22	AC4	B	146	157	Right-handed alpha
Helix 23	AC5	B	191	194	Right-handed 310
Helix 24	AC6	B	199	203	Right-handed 310
Helix 25	AC7	B	227	233	Right-handed 310
Helix 26	AC8	B	234	238	Right-handed 310
Helix 27	AC9	B	242	248	Right-handed alpha
Helix 28	AD1	B	257	280	Right-handed alpha
Helix 29	AD2	B	300	304	Right-handed 310
Helix 30	AD3	B	353	366	Right-handed alpha
Helix 31	AD4	B	369	385	Right-handed alpha
Helix 32	AD5	B	421	438	Right-handed alpha
Helix 33	AD6	B	442	449	Right-handed alpha
Helix 34	AD7	E	15	17	Right-handed 310
Helix 35	AD8	E	22	30	Right-handed alpha
Helix 36	AD9	E	46	62	Right-handed alpha
Helix 37	AE1	E	77	83	Right-handed alpha
Helix 38	AE2	E	97	106	Right-handed alpha
Helix 39	AE3	E	109	130	Right-handed alpha
Helix 40	AE4	E	144	151	Right-handed alpha
Helix 41	AE5	E	205	214	Right-handed alpha
Helix 42	AE6	E	226	230	Right-handed alpha
Helix 43	AE7	E	248	265	Right-handed alpha
Helix 44	AE8	E	322	326	Right-handed 310
Helix 45	AE9	E	331	351	Right-handed alpha
Helix 46	AF1	E	367	375	Right-handed alpha
Helix 47	AF2	E	451	463	Right-handed alpha
Helix 48	AF3	E	477	491	Right-handed alpha
Helix 49	AF4	E	502	506	Right-handed 310
Helix 50	AF5	F	14	29	Right-handed alpha
Helix 51	AF6	F	45	56	Right-handed alpha
Helix 52	AF7	F	65	70	Right-handed alpha
Helix 53	AF8	F	71	88	Right-handed alpha
Helix 54	AF9	F	124	133	Right-handed alpha
Helix 55	AG1	F	149	156	Right-handed alpha
Helix 56	AG2	F	190	194	Right-handed 310
Helix 57	AG3	F	199	203	Right-handed 310
Helix 58	AG4	F	219	223	Right-handed 310
Helix 59	AG5	F	229	233	Right-handed 310
Helix 60	AG6	F	243	249	Right-handed alpha
Helix 61	AG7	F	257	279	Right-handed alpha
Helix 62	AG8	F	300	304	Right-handed 310
Helix 63	AG9	F	353	366	Right-handed alpha
Helix 64	AH1	F	369	385	Right-handed alpha
Helix 65	AH2	F	421	438	Right-handed alpha
Helix 66	AH3	F	442	448	Right-handed alpha
Helix 67	AH4	I	15	17	Right-handed 310
Helix 68	AH5	I	22	30	Right-handed alpha
Helix 69	AH6	I	46	62	Right-handed alpha
Helix 70	AH7	I	77	83	Right-handed alpha
Helix 71	AH8	I	97	106	Right-handed alpha
Helix 72	AH9	I	109	132	Right-handed alpha
Helix 73	AI1	I	144	150	Right-handed alpha
Helix 74	AI2	I	205	214	Right-handed alpha
Helix 75	AI3	I	215	218	Right-handed 310
Helix 76	AI4	I	226	230	Right-handed alpha
Helix 77	AI5	I	248	265	Right-handed alpha
Helix 78	AI6	I	331	351	Right-handed alpha
Helix 79	AI7	I	367	377	Right-handed alpha
Helix 80	AI8	I	451	463	Right-handed alpha
Helix 81	AI9	I	477	491	Right-handed alpha
Helix 82	AJ1	J	14	28	Right-handed alpha
Helix 83	AJ2	J	45	56	Right-handed alpha
Helix 84	AJ3	J	66	71	Right-handed alpha
Helix 85	AJ4	J	71	88	Right-handed alpha
Helix 86	AJ5	J	109	114	Right-handed alpha
Helix 87	AJ6	J	124	138	Right-handed alpha
Helix 88	AJ7	J	146	157	Right-handed alpha
Helix 89	AJ8	J	190	194	Right-handed 310
Helix 90	AJ9	J	199	203	Right-handed 310
Helix 91	AK1	J	229	233	Right-handed 310
Helix 92	AK2	J	243	249	Right-handed alpha
Helix 93	AK3	J	257	280	Right-handed alpha
Helix 94	AK4	J	300	304	Right-handed 310
Helix 95	AK5	J	353	366	Right-handed alpha
Helix 96	AK6	J	369	385	Right-handed alpha
Helix 97	AK7	J	421	438	Right-handed alpha
Helix 98	AK8	J	443	448	Right-handed alpha
Helix 99	AK9	M	15	17	Right-handed 310
Helix 100	AL1	M	22	30	Right-handed alpha
Helix 101	AL2	M	46	62	Right-handed alpha
Helix 102	AL3	M	77	82	Right-handed alpha
Helix 103	AL4	M	97	105	Right-handed alpha
Helix 104	AL5	M	109	132	Right-handed alpha
Helix 105	AL6	M	144	150	Right-handed alpha
Helix 106	AL7	M	205	214	Right-handed alpha
Helix 107	AL8	M	226	230	Right-handed alpha
Helix 108	AL9	M	248	265	Right-handed alpha
Helix 109	AM1	M	331	351	Right-handed alpha
Helix 110	AM2	M	366	374	Right-handed alpha
Helix 111	AM3	M	451	463	Right-handed alpha
Helix 112	AM4	M	477	491	Right-handed alpha
Helix 113	AM5	N	14	28	Right-handed alpha
Helix 114	AM6	N	44	56	Right-handed alpha
Helix 115	AM7	N	71	89	Right-handed alpha
Helix 116	AM8	N	90	92	Right-handed 310
Helix 117	AM9	N	109	114	Right-handed alpha
Helix 118	AN1	N	123	133	Right-handed alpha
Helix 119	AN2	N	149	157	Right-handed alpha
Helix 120	AN3	N	190	194	Right-handed 310
Helix 121	AN4	N	222	226	Right-handed 310
Helix 122	AN5	N	229	233	Right-handed 310
Helix 123	AN6	N	243	248	Right-handed alpha
Helix 124	AN7	N	257	280	Right-handed alpha
Helix 125	AN8	N	300	304	Right-handed 310
Helix 126	AN9	N	353	365	Right-handed alpha
Helix 127	AO1	N	369	385	Right-handed alpha
Helix 128	AO2	N	421	438	Right-handed alpha
Helix 129	AO3	N	442	447	Right-handed alpha
Helix 130	AO4	N	448	450	Right-handed 310

There are 41 sheets in PDB entry 8IT1. 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, AE5,

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	5	6	first strand
Strand 2	A	409	412	anti-parallel
Strand 3	A	417	420	anti-parallel
Strand 4	A	441	445	anti-parallel
Strand 5	A	383	389	anti-parallel
Strand 6	A	356	361	parallel
Strand 7	A	278	283	parallel
Strand 8	A	301	304	anti-parallel

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There are 2 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	12	13	first strand
Strand 2	A	19	20	anti-parallel

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There are 4 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	92	95	first strand
Strand 2	A	41	45	parallel
Strand 3	A	138	143	parallel
Strand 4	A	221	225	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	397	398	first strand
Strand 2	B	169	172	anti-parallel
Strand 3	B	409	412	anti-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	425	426	first strand
Strand 2	A	431	432	anti-parallel

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There are 5 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	32	33	first strand
Strand 2	B	4	8	parallel
Strand 3	B	57	63	parallel
Strand 4	B	94	98	parallel
Strand 5	B	118	119	parallel

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There are 2 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	176	177	first strand
Strand 2	B	334	335	anti-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	B	207	210	first strand
Strand 2	B	213	216	anti-parallel
Strand 3	B	185	189	anti-parallel
Strand 4	B	239	241	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	283	286	first strand
Strand 2	B	291	294	anti-parallel

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There are 3 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	312	313	first strand
Strand 2	B	318	324	anti-parallel
Strand 3	B	338	344	anti-parallel

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There are 2 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	391	393	first strand
Strand 2	B	401	403	anti-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	E	3	4	first strand
Strand 2	F	409	412	parallel
Strand 3	F	169	172	anti-parallel
Strand 4	E	397	398	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	19	20	first strand
Strand 2	E	12	13	anti-parallel
Strand 3	E	270	271	anti-parallel

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There are 4 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	92	95	first strand
Strand 2	E	41	45	parallel
Strand 3	E	138	143	parallel
Strand 4	E	221	225	parallel

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There are 7 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	300	304	first strand
Strand 2	E	278	284	anti-parallel
Strand 3	E	356	361	parallel
Strand 4	E	383	389	parallel
Strand 5	E	441	445	anti-parallel
Strand 6	E	417	420	anti-parallel
Strand 7	E	411	412	anti-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	425	426	first strand
Strand 2	E	431	432	anti-parallel

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There are 5 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	32	34	first strand
Strand 2	F	4	8	parallel
Strand 3	F	57	64	parallel
Strand 4	F	94	98	parallel
Strand 5	F	118	119	parallel

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There are 3 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	178	180	first strand
Strand 2	F	401	403	anti-parallel
Strand 3	F	391	393	anti-parallel

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There are 4 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	209	210	first strand
Strand 2	F	213	216	anti-parallel
Strand 3	F	184	188	anti-parallel
Strand 4	F	239	242	anti-parallel

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There are 2 strands in AC2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	283	286	first strand
Strand 2	F	291	294	anti-parallel

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There are 3 strands in AC3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	311	314	first strand
Strand 2	F	317	328	anti-parallel
Strand 3	F	334	344	anti-parallel

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There are 5 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	397	398	first strand
Strand 2	J	165	172	anti-parallel
Strand 3	J	409	415	anti-parallel
Strand 4	I	3	6	parallel
Strand 5	I	409	410	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	I	12	13	first strand
Strand 2	I	19	20	anti-parallel

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There are 4 strands in AC6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	92	95	first strand
Strand 2	I	41	45	parallel
Strand 3	I	138	143	parallel
Strand 4	I	221	225	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	I	301	304	first strand
Strand 2	I	278	283	anti-parallel
Strand 3	I	356	361	parallel
Strand 4	I	382	389	parallel
Strand 5	I	441	445	anti-parallel
Strand 6	I	417	420	anti-parallel
Strand 7	I	412	414	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	I	425	426	first strand
Strand 2	I	431	432	anti-parallel

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There are 5 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	32	33	first strand
Strand 2	J	4	8	parallel
Strand 3	J	57	63	parallel
Strand 4	J	94	98	parallel
Strand 5	J	118	119	parallel

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There are 4 strands in AD1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	334	335	first strand
Strand 2	J	176	180	anti-parallel
Strand 3	J	401	403	anti-parallel
Strand 4	J	391	393	anti-parallel

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There are 2 strands in AD2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	184	186	first strand
Strand 2	J	240	242	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	J	207	210	first strand
Strand 2	J	213	216	anti-parallel

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There are 4 strands in AD4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	283	286	first strand
Strand 2	J	291	294	anti-parallel
Strand 3	J	317	323	anti-parallel
Strand 4	J	311	314	anti-parallel

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There are 4 strands in AD5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	283	286	first strand
Strand 2	J	291	294	anti-parallel
Strand 3	J	317	323	anti-parallel
Strand 4	J	339	344	anti-parallel

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There are 7 strands in AD6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	5	6	first strand
Strand 2	M	409	412	anti-parallel
Strand 3	M	417	420	anti-parallel
Strand 4	M	441	447	anti-parallel
Strand 5	M	382	389	anti-parallel
Strand 6	M	356	361	parallel
Strand 7	M	278	280	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	M	19	20	first strand
Strand 2	M	12	13	anti-parallel
Strand 3	M	270	271	anti-parallel

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There are 4 strands in AD8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	92	95	first strand
Strand 2	M	41	45	parallel
Strand 3	M	138	143	parallel
Strand 4	M	221	225	parallel

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There are 3 strands in AD9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	397	398	first strand
Strand 2	N	169	172	anti-parallel
Strand 3	N	409	412	anti-parallel

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There are 5 strands in AE1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	32	34	first strand
Strand 2	N	4	8	parallel
Strand 3	N	57	64	parallel
Strand 4	N	94	98	parallel
Strand 5	N	118	119	parallel

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There are 3 strands in AE2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	176	177	first strand
Strand 2	N	334	337	anti-parallel
Strand 3	N	325	328	anti-parallel

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There are 4 strands in AE3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	208	210	first strand
Strand 2	N	213	216	anti-parallel
Strand 3	N	185	187	anti-parallel
Strand 4	N	240	241	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	N	284	286	first strand
Strand 2	N	291	293	anti-parallel

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There are 3 strands in AE5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	311	314	first strand
Strand 2	N	317	322	anti-parallel
Strand 3	N	340	344	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: 8IT1

Analysis of interatomic Contacts of Structural Units in PDB entry:
8IT1