Analysis of interatomic Contacts of Structural Units in PDB entry:
2DSB

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 2DSB entry

There are 4 chains in PDB entry 2DSB (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	LYS 14	PHE 219
B	LYS 14	PHE 219
C	LYS 14	PHE 219
D	LYS 14	PHE 219

There are 20 helices in PDB entry 2DSB. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	104	118	Right-handed alpha
Helix 2	2	A	152	156	Right-handed 310
Helix 3	3	A	177	190	Right-handed alpha
Helix 4	4	A	194	209	Right-handed alpha
Helix 5	5	A	213	217	Right-handed 310
Helix 6	6	B	104	118	Right-handed alpha
Helix 7	7	B	152	156	Right-handed 310
Helix 8	8	B	177	190	Right-handed alpha
Helix 9	9	B	194	209	Right-handed alpha
Helix 10	10	B	212	217	Right-handed alpha
Helix 11	11	C	104	118	Right-handed alpha
Helix 12	12	C	152	156	Right-handed 310
Helix 13	13	C	177	189	Right-handed alpha
Helix 14	14	C	194	210	Right-handed alpha
Helix 15	15	C	212	219	Right-handed alpha
Helix 16	16	D	104	118	Right-handed alpha
Helix 17	17	D	152	156	Right-handed 310
Helix 18	18	D	177	190	Right-handed alpha
Helix 19	19	D	195	210	Right-handed alpha
Helix 20	20	D	212	219	Right-handed alpha

There are 14 sheets in PDB entry 2DSB. 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,

There are 3 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	16	25	first strand
Strand 2	A	29	37	anti-parallel
Strand 3	A	43	51	anti-parallel

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There are 5 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	96	98	first strand
Strand 2	A	61	69	anti-parallel
Strand 3	A	76	83	anti-parallel
Strand 4	A	90	93	anti-parallel
Strand 5	A	192	193	parallel

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There are 5 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	122	126	first strand
Strand 2	A	140	149	anti-parallel
Strand 3	A	61	69	parallel
Strand 4	A	76	83	anti-parallel
Strand 5	A	169	174	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	130	131	first strand
Strand 2	A	140	149	anti-parallel
Strand 3	A	122	126	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	16	25	first strand
Strand 2	B	29	37	anti-parallel
Strand 3	B	43	51	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	B	96	98	first strand
Strand 2	B	61	70	anti-parallel
Strand 3	B	73	83	anti-parallel
Strand 4	B	90	93	anti-parallel
Strand 5	B	192	193	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	122	126	first strand
Strand 2	B	140	149	anti-parallel
Strand 3	B	61	70	parallel
Strand 4	B	73	83	anti-parallel
Strand 5	B	169	174	anti-parallel

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There are 3 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	130	131	first strand
Strand 2	B	140	149	anti-parallel
Strand 3	B	122	126	anti-parallel

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There are 3 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	16	22	first strand
Strand 2	C	29	37	anti-parallel
Strand 3	C	43	51	anti-parallel

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There are 10 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	96	98	first strand
Strand 2	C	61	69	anti-parallel
Strand 3	C	140	149	parallel
Strand 4	C	122	131	anti-parallel
Strand 5	D	192	194	parallel
Strand 6	D	89	93	parallel
Strand 7	D	76	84	anti-parallel
Strand 8	D	61	69	anti-parallel
Strand 9	D	140	149	parallel
Strand 10	D	122	131	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	C	96	98	first strand
Strand 2	C	61	69	anti-parallel
Strand 3	C	76	83	anti-parallel
Strand 4	C	90	93	anti-parallel
Strand 5	C	191	193	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	C	169	174	first strand
Strand 2	C	76	83	anti-parallel
Strand 3	C	90	93	anti-parallel
Strand 4	C	191	193	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	96	98	first strand
Strand 2	D	61	69	anti-parallel
Strand 3	D	76	84	anti-parallel
Strand 4	D	169	174	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	16	22	first strand
Strand 2	D	29	37	anti-parallel
Strand 3	D	43	51	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: 2DSB

Analysis of interatomic Contacts of Structural Units in PDB entry:
2DSB