Analysis of interatomic Contacts of Structural Units in PDB entry:
8TW4

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 8TW4 entry

There are 8 chains in PDB entry 8TW4 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	LEU 30	THR 268
B	VAL 23	VAL 304
E	GLN 33	LEU 144
F	TYR 36	CYS 122
D	PRO 25	THR 115
G	GLY 27	LEU 129
X	CYS 32	ALA 48
Y	LEU 31	LEU 46

There are 20 helices in PDB entry 8TW4. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	100	104	Right-handed 310
Helix 2	AA2	A	162	166	Right-handed 310
Helix 3	AA3	A	185	189	Right-handed 310
Helix 4	AA4	A	205	210	Right-handed alpha
Helix 5	AA5	A	246	253	Right-handed alpha
Helix 6	AA6	A	253	267	Right-handed alpha
Helix 7	AA7	B	149	157	Right-handed alpha
Helix 8	AA8	B	276	287	Right-handed alpha
Helix 9	AA9	B	288	298	Right-handed alpha
Helix 10	AB1	B	299	304	Right-handed alpha
Helix 11	AB2	E	126	128	Right-handed 310
Helix 12	AB3	E	129	135	Right-handed alpha
Helix 13	AB4	E	135	144	Right-handed alpha
Helix 14	AB5	D	101	114	Right-handed alpha
Helix 15	AB6	G	111	127	Right-handed alpha
Helix 16	AB7	G	128	129	Right-handed 310
Helix 17	AB8	X	32	36	Right-handed 310
Helix 18	AB9	X	37	39	Right-handed 310
Helix 19	AC1	X	40	48	Right-handed alpha
Helix 20	AC2	Y	32	46	Right-handed alpha

There are 16 sheets in PDB entry 8TW4. 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,

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	31	32	first strand
Strand 2	A	130	131	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	38	40	first strand
Strand 2	A	94	96	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	67	68	first strand
Strand 2	A	53	55	anti-parallel
Strand 3	A	106	109	anti-parallel
Strand 4	A	127	128	anti-parallel

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There are 4 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	141	144	first strand
Strand 2	A	154	159	anti-parallel
Strand 3	A	194	199	anti-parallel
Strand 4	A	175	177	anti-parallel

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There are 3 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	24	26	first strand
Strand 2	B	39	43	anti-parallel
Strand 3	B	95	96	anti-parallel

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There are 3 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	61	65	first strand
Strand 2	B	50	57	anti-parallel
Strand 3	B	107	113	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	142	145	first strand
Strand 2	B	160	166	anti-parallel
Strand 3	B	206	213	anti-parallel
Strand 4	B	195	196	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	182	183	first strand
Strand 2	B	176	179	anti-parallel
Strand 3	B	228	232	anti-parallel
Strand 4	B	251	255	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	E	37	41	first strand
Strand 2	E	44	48	anti-parallel
Strand 3	E	81	85	anti-parallel
Strand 4	E	75	77	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	E	65	66	first strand
Strand 2	E	58	61	anti-parallel
Strand 3	E	94	99	anti-parallel
Strand 4	E	112	114	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	F	37	38	first strand
Strand 2	F	44	48	anti-parallel
Strand 3	F	81	85	anti-parallel
Strand 4	F	76	77	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	F	57	59	first strand
Strand 2	F	98	100	anti-parallel

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There are 6 strands in AB4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	95	96	first strand
Strand 2	F	112	114	anti-parallel
Strand 3	G	97	100	parallel
Strand 4	G	83	88	anti-parallel
Strand 5	G	53	57	anti-parallel
Strand 6	G	60	65	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	D	42	43	first strand
Strand 2	D	71	72	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	D	50	51	first strand
Strand 2	D	58	59	anti-parallel

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There are 3 strands in AB7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	31	32	first strand
Strand 2	G	41	46	anti-parallel
Strand 3	G	72	76	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: 8TW4

Analysis of interatomic Contacts of Structural Units in PDB entry:
8TW4