Analysis of interatomic Contacts of Structural Units in PDB entry:
3TC9

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 3TC9 entry

There are 2 chains in PDB entry 3TC9 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLY 37	GLU 457
B	THR 36	GLU 457

There are 9 helices in PDB entry 3TC9. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	71	73	Right-handed 310
Helix 2	2	A	158	160	Right-handed 310
Helix 3	3	A	240	242	Right-handed 310
Helix 4	4	A	354	356	Right-handed 310
Helix 5	5	A	370	373	Right-handed 310
Helix 6	6	B	71	73	Right-handed 310
Helix 7	7	B	240	242	Right-handed 310
Helix 8	8	B	354	356	Right-handed 310
Helix 9	9	B	370	373	Right-handed 310

There are 20 sheets in PDB entry 3TC9. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T,

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	46	51	first strand
Strand 2	A	60	66	anti-parallel
Strand 3	A	93	97	anti-parallel
Strand 4	A	86	89	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	54	55	first strand
Strand 2	A	129	130	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	82	84	first strand
Strand 2	A	75	79	anti-parallel
Strand 3	A	107	112	anti-parallel
Strand 4	A	118	123	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	417	418	first strand
Strand 2	A	134	140	anti-parallel
Strand 3	A	449	455	anti-parallel
Strand 4	A	439	444	anti-parallel
Strand 5	A	428	434	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	155	156	first strand
Strand 2	A	197	202	anti-parallel
Strand 3	A	186	192	anti-parallel
Strand 4	A	175	183	anti-parallel
Strand 5	A	168	172	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	208	213	first strand
Strand 2	A	219	224	anti-parallel
Strand 3	A	232	238	anti-parallel
Strand 4	A	246	251	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	258	260	first strand
Strand 2	A	267	271	anti-parallel
Strand 3	A	276	281	anti-parallel
Strand 4	A	286	292	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	300	304	first strand
Strand 2	A	310	315	anti-parallel
Strand 3	A	320	327	anti-parallel
Strand 4	A	332	333	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	300	304	first strand
Strand 2	A	310	315	anti-parallel
Strand 3	A	320	327	anti-parallel
Strand 4	A	337	341	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	351	352	first strand
Strand 2	A	399	405	anti-parallel
Strand 3	A	390	394	anti-parallel
Strand 4	A	379	385	anti-parallel
Strand 5	A	361	368	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	46	51	first strand
Strand 2	B	60	66	anti-parallel
Strand 3	B	93	97	anti-parallel
Strand 4	B	86	89	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	54	55	first strand
Strand 2	B	129	130	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	82	84	first strand
Strand 2	B	75	79	anti-parallel
Strand 3	B	107	112	anti-parallel
Strand 4	B	118	123	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	417	418	first strand
Strand 2	B	134	140	anti-parallel
Strand 3	B	449	455	anti-parallel
Strand 4	B	439	444	anti-parallel
Strand 5	B	432	434	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	155	156	first strand
Strand 2	B	197	202	anti-parallel
Strand 3	B	186	192	anti-parallel
Strand 4	B	175	183	anti-parallel
Strand 5	B	168	172	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	208	213	first strand
Strand 2	B	219	224	anti-parallel
Strand 3	B	232	238	anti-parallel
Strand 4	B	246	251	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	258	260	first strand
Strand 2	B	267	271	anti-parallel
Strand 3	B	276	280	anti-parallel
Strand 4	B	287	292	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	300	304	first strand
Strand 2	B	310	315	anti-parallel
Strand 3	B	320	327	anti-parallel
Strand 4	B	332	333	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	300	304	first strand
Strand 2	B	310	315	anti-parallel
Strand 3	B	320	327	anti-parallel
Strand 4	B	337	341	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	351	352	first strand
Strand 2	B	399	405	anti-parallel
Strand 3	B	390	394	anti-parallel
Strand 4	B	379	385	anti-parallel
Strand 5	B	361	368	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: 3TC9

Analysis of interatomic Contacts of Structural Units in PDB entry:
3TC9