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

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 3TAS entry

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

Chain ID	Initial residue	Terminal residue
A	PRO 33	SER 332
B	MET 31	GLY 331
C	PRO 33	SER 332

There are 12 helices in PDB entry 3TAS. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	54	56	Right-handed 310
Helix 2	2	A	104	108	Right-handed 310
Helix 3	3	A	160	167	Right-handed alpha
Helix 4	4	A	285	291	Right-handed alpha
Helix 5	5	B	54	56	Right-handed 310
Helix 6	6	B	104	108	Right-handed 310
Helix 7	7	B	160	167	Right-handed alpha
Helix 8	8	B	285	291	Right-handed alpha
Helix 9	9	C	54	56	Right-handed 310
Helix 10	10	C	104	108	Right-handed 310
Helix 11	11	C	160	167	Right-handed alpha
Helix 12	12	C	285	291	Right-handed alpha

There are 18 sheets in PDB entry 3TAS. 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,

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	58	61	first strand
Strand 2	A	43	52	anti-parallel
Strand 3	A	81	88	parallel
Strand 4	A	122	127	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	74	77	first strand
Strand 2	A	169	175	parallel
Strand 3	A	146	151	anti-parallel
Strand 4	A	97	98	anti-parallel

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There are 2 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	133	134	first strand
Strand 2	A	140	141	anti-parallel

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There are 4 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	194	195	first strand
Strand 2	A	184	191	anti-parallel
Strand 3	A	213	221	parallel
Strand 4	A	263	269	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	206	209	first strand
Strand 2	A	294	300	parallel
Strand 3	A	277	283	anti-parallel
Strand 4	A	226	230	anti-parallel
Strand 5	A	255	258	anti-parallel

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There are 2 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	235	236	first strand
Strand 2	A	252	253	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	B	58	61	first strand
Strand 2	B	43	52	anti-parallel
Strand 3	B	81	88	parallel
Strand 4	B	122	127	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	74	77	first strand
Strand 2	B	169	175	parallel
Strand 3	B	146	151	anti-parallel
Strand 4	B	97	98	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	133	134	first strand
Strand 2	B	140	141	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	194	195	first strand
Strand 2	B	184	191	anti-parallel
Strand 3	B	213	221	parallel
Strand 4	B	263	269	anti-parallel

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There are 5 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	206	209	first strand
Strand 2	B	294	300	parallel
Strand 3	B	277	283	anti-parallel
Strand 4	B	226	230	anti-parallel
Strand 5	B	255	258	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	235	236	first strand
Strand 2	B	252	253	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	58	61	first strand
Strand 2	C	43	52	anti-parallel
Strand 3	C	81	88	parallel
Strand 4	C	122	128	anti-parallel

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There are 4 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	74	77	first strand
Strand 2	C	169	175	parallel
Strand 3	C	146	151	anti-parallel
Strand 4	C	97	98	anti-parallel

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There are 2 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	133	134	first strand
Strand 2	C	140	141	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	C	194	195	first strand
Strand 2	C	184	191	anti-parallel
Strand 3	C	213	221	parallel
Strand 4	C	263	269	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	C	206	209	first strand
Strand 2	C	294	300	parallel
Strand 3	C	277	283	anti-parallel
Strand 4	C	226	230	anti-parallel
Strand 5	C	255	258	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	235	236	first strand
Strand 2	C	252	253	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: 3TAS

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