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

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 3TKK entry

There are 8 chains in PDB entry 3TKK (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	SER -2	ASP 36
A	PHE 38	PHE 299
B	SER -2	ASP 36
B	PHE 38	PHE 299
C	SER -2	ASP 36
C	PHE 38	PHE 299
D	SER -2	ASP 36
D	PHE 38	PHE 299

There are 17 helices in PDB entry 3TKK. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	99	103	Right-handed 310
Helix 2	2	A	234	254	Right-handed alpha
Helix 3	3	A	257	269	Right-handed alpha
Helix 4	4	A	289	295	Right-handed alpha
Helix 5	5	B	99	103	Right-handed 310
Helix 6	6	B	234	254	Right-handed alpha
Helix 7	7	B	257	269	Right-handed alpha
Helix 8	8	B	289	295	Right-handed alpha
Helix 9	9	C	99	103	Right-handed 310
Helix 10	10	C	234	254	Right-handed alpha
Helix 11	11	C	257	269	Right-handed alpha
Helix 12	12	C	289	295	Right-handed alpha
Helix 13	13	D	53	57	Right-handed 310
Helix 14	14	D	99	103	Right-handed 310
Helix 15	15	D	234	254	Right-handed alpha
Helix 16	16	D	257	269	Right-handed alpha
Helix 17	17	D	289	295	Right-handed alpha

There are 20 sheets in PDB entry 3TKK. 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 9 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	2	5	first strand
Strand 2	A	29	34	parallel
Strand 3	A	201	210	anti-parallel
Strand 4	A	74	84	anti-parallel
Strand 5	A	166	170	anti-parallel
Strand 6	A	219	221	anti-parallel
Strand 7	A	225	232	anti-parallel
Strand 8	A	281	288	anti-parallel
Strand 9	A	270	275	anti-parallel

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There are 3 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	10	11	first strand
Strand 2	A	60	67	anti-parallel
Strand 3	A	22	25	parallel

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There are 6 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	10	11	first strand
Strand 2	A	60	67	anti-parallel
Strand 3	A	178	184	anti-parallel
Strand 4	A	131	136	anti-parallel
Strand 5	A	153	155	anti-parallel
Strand 6	A	149	150	anti-parallel

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There are 2 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	13	14	first strand
Strand 2	A	144	145	anti-parallel

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There are 4 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	87	93	first strand
Strand 2	A	106	114	anti-parallel
Strand 3	A	117	119	anti-parallel
Strand 4	A	125	127	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	2	5	first strand
Strand 2	B	29	34	parallel
Strand 3	B	201	210	anti-parallel
Strand 4	B	74	84	anti-parallel
Strand 5	B	166	170	anti-parallel
Strand 6	B	219	221	anti-parallel
Strand 7	B	225	232	anti-parallel
Strand 8	B	281	288	anti-parallel
Strand 9	B	270	275	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	10	11	first strand
Strand 2	B	60	67	anti-parallel
Strand 3	B	178	184	anti-parallel
Strand 4	B	131	136	anti-parallel
Strand 5	B	153	155	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	B	22	25	first strand
Strand 2	B	60	67	parallel
Strand 3	B	178	184	anti-parallel
Strand 4	B	198	199	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	13	15	first strand
Strand 2	B	143	145	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	87	93	first strand
Strand 2	B	106	114	anti-parallel
Strand 3	B	117	121	anti-parallel
Strand 4	B	124	127	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	2	5	first strand
Strand 2	C	29	34	parallel
Strand 3	C	201	210	anti-parallel
Strand 4	C	74	84	anti-parallel
Strand 5	C	166	170	anti-parallel
Strand 6	C	219	221	anti-parallel
Strand 7	C	225	232	anti-parallel
Strand 8	C	281	288	anti-parallel
Strand 9	C	270	275	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	10	11	first strand
Strand 2	C	60	67	anti-parallel
Strand 3	C	176	184	anti-parallel
Strand 4	C	131	136	anti-parallel
Strand 5	C	153	155	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	C	22	25	first strand
Strand 2	C	60	67	parallel
Strand 3	C	176	184	anti-parallel
Strand 4	C	198	199	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	13	14	first strand
Strand 2	C	144	145	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	87	93	first strand
Strand 2	C	106	114	anti-parallel
Strand 3	C	117	119	anti-parallel
Strand 4	C	125	127	anti-parallel

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There are 9 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	2	5	first strand
Strand 2	D	29	34	parallel
Strand 3	D	201	210	anti-parallel
Strand 4	D	74	84	anti-parallel
Strand 5	D	166	170	anti-parallel
Strand 6	D	219	221	anti-parallel
Strand 7	D	225	232	anti-parallel
Strand 8	D	281	288	anti-parallel
Strand 9	D	270	275	anti-parallel

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There are 3 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	10	11	first strand
Strand 2	D	60	66	anti-parallel
Strand 3	D	22	24	parallel

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There are 5 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	10	11	first strand
Strand 2	D	60	66	anti-parallel
Strand 3	D	176	184	anti-parallel
Strand 4	D	131	136	anti-parallel
Strand 5	D	153	155	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	13	15	first strand
Strand 2	D	143	145	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	87	93	first strand
Strand 2	D	106	114	anti-parallel
Strand 3	D	117	121	anti-parallel
Strand 4	D	124	127	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: 3TKK

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