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

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 3TKN entry

There are 9 chains in PDB entry 3TKN (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	SER 2	SER 452
B	MET 1431	MET 1458
C	ILE 734	PHE 880
D	ARG 6	SER 452
E	MET 1431	MET 1458
F	ILE 734	PHE 880
G	ARG 6	SER 452
H	MET 1431	MET 1458
I	ILE 734	PHE 880

There are 38 helices in PDB entry 3TKN. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	10	14	Right-handed 310
Helix 2	2	A	219	236	Right-handed alpha
Helix 3	3	A	242	262	Right-handed alpha
Helix 4	4	A	273	278	Right-handed alpha
Helix 5	5	A	292	296	Right-handed 310
Helix 6	6	A	389	400	Right-handed alpha
Helix 7	7	A	402	406	Right-handed 310
Helix 8	8	B	1434	1458	Right-handed alpha
Helix 9	9	C	748	753	Right-handed alpha
Helix 10	10	C	787	790	Right-handed 310
Helix 11	11	C	839	846	Right-handed alpha
Helix 12	12	C	847	858	Right-handed alpha
Helix 13	13	D	10	14	Right-handed 310
Helix 14	14	D	136	139	Right-handed 310
Helix 15	15	D	219	235	Right-handed alpha
Helix 16	16	D	242	262	Right-handed alpha
Helix 17	17	D	273	278	Right-handed alpha
Helix 18	18	D	292	296	Right-handed 310
Helix 19	19	D	389	400	Right-handed alpha
Helix 20	20	D	402	406	Right-handed 310
Helix 21	21	E	1434	1458	Right-handed alpha
Helix 22	22	F	748	753	Right-handed alpha
Helix 23	23	F	787	790	Right-handed 310
Helix 24	24	F	839	846	Right-handed alpha
Helix 25	25	F	847	858	Right-handed alpha
Helix 26	26	G	10	14	Right-handed 310
Helix 27	27	G	136	139	Right-handed 310
Helix 28	28	G	219	236	Right-handed alpha
Helix 29	29	G	242	262	Right-handed alpha
Helix 30	30	G	273	278	Right-handed alpha
Helix 31	31	G	292	296	Right-handed 310
Helix 32	32	G	389	400	Right-handed alpha
Helix 33	33	G	402	406	Right-handed 310
Helix 34	34	H	1434	1458	Right-handed alpha
Helix 35	35	I	748	753	Right-handed alpha
Helix 36	36	I	787	790	Right-handed 310
Helix 37	37	I	839	846	Right-handed alpha
Helix 38	38	I	847	858	Right-handed alpha

There are 30 sheets in PDB entry 3TKN. 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, U, V, W, X, Y, Z, AA, AB, AC, AD,

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	25	27	first strand
Strand 2	A	34	39	anti-parallel
Strand 3	A	42	47	anti-parallel
Strand 4	A	55	58	anti-parallel

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There are 4 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	70	73	first strand
Strand 2	A	79	83	anti-parallel
Strand 3	A	87	92	anti-parallel
Strand 4	A	110	115	anti-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	127	132	first strand
Strand 2	A	141	146	anti-parallel
Strand 3	A	151	155	anti-parallel
Strand 4	A	164	166	anti-parallel

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There are 3 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	182	187	first strand
Strand 2	A	194	198	anti-parallel
Strand 3	A	204	208	anti-parallel

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There are 2 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	215	217	first strand
Strand 2	A	269	271	anti-parallel

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There are 5 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	286	288	first strand
Strand 2	A	347	355	parallel
Strand 3	A	323	329	anti-parallel
Strand 4	A	313	319	anti-parallel
Strand 5	A	299	306	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	362	364	first strand
Strand 2	A	372	376	anti-parallel
Strand 3	A	380	385	anti-parallel
Strand 4	A	413	419	anti-parallel

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There are 2 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	425	429	first strand
Strand 2	A	436	440	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	741	744	first strand
Strand 2	C	763	769	anti-parallel
Strand 3	C	773	780	anti-parallel
Strand 4	C	819	823	anti-parallel
Strand 5	C	872	877	anti-parallel
Strand 6	C	862	867	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	792	795	first strand
Strand 2	C	798	801	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	D	25	27	first strand
Strand 2	D	34	39	anti-parallel
Strand 3	D	42	47	anti-parallel
Strand 4	D	55	58	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	70	73	first strand
Strand 2	D	79	83	anti-parallel
Strand 3	D	87	92	anti-parallel
Strand 4	D	110	115	anti-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	D	127	132	first strand
Strand 2	D	141	146	anti-parallel
Strand 3	D	151	155	anti-parallel
Strand 4	D	164	166	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	173	174	first strand
Strand 2	F	798	801	anti-parallel
Strand 3	F	792	795	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	182	187	first strand
Strand 2	D	194	198	anti-parallel
Strand 3	D	204	208	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	215	217	first strand
Strand 2	D	269	271	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	286	288	first strand
Strand 2	D	347	355	parallel
Strand 3	D	323	329	anti-parallel
Strand 4	D	313	319	anti-parallel
Strand 5	D	299	306	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	D	362	364	first strand
Strand 2	D	372	376	anti-parallel
Strand 3	D	380	385	anti-parallel
Strand 4	D	413	419	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	425	429	first strand
Strand 2	D	436	440	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	741	744	first strand
Strand 2	F	763	769	anti-parallel
Strand 3	F	773	780	anti-parallel
Strand 4	F	819	823	anti-parallel
Strand 5	F	872	877	anti-parallel
Strand 6	F	862	867	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	25	27	first strand
Strand 2	G	34	39	anti-parallel
Strand 3	G	42	47	anti-parallel
Strand 4	G	55	58	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	70	73	first strand
Strand 2	G	79	83	anti-parallel
Strand 3	G	87	92	anti-parallel
Strand 4	G	110	115	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	127	132	first strand
Strand 2	G	141	146	anti-parallel
Strand 3	G	151	155	anti-parallel
Strand 4	G	164	166	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	182	187	first strand
Strand 2	G	194	198	anti-parallel
Strand 3	G	204	208	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	215	217	first strand
Strand 2	G	269	271	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	286	288	first strand
Strand 2	G	347	355	parallel
Strand 3	G	323	329	anti-parallel
Strand 4	G	313	319	anti-parallel
Strand 5	G	299	306	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	362	364	first strand
Strand 2	G	372	376	anti-parallel
Strand 3	G	380	385	anti-parallel
Strand 4	G	413	419	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	425	429	first strand
Strand 2	G	436	440	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	741	744	first strand
Strand 2	I	763	769	anti-parallel
Strand 3	I	773	780	anti-parallel
Strand 4	I	819	823	anti-parallel
Strand 5	I	872	877	anti-parallel
Strand 6	I	862	867	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	792	795	first strand
Strand 2	I	798	801	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: 3TKN

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