Analysis of interatomic Contacts of Structural Units in PDB entry:
2D3S

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 2D3S entry

There are 4 chains in PDB entry 2D3S (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	LYS 1	GLY 237
B	LYS 1	GLY 237
C	LYS 1	GLY 237
D	LYS 1	GLY 237

There are 12 helices in PDB entry 2D3S. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	103	107	Right-handed 310
Helix 2	2	A	193	198	Right-handed alpha
Helix 3	3	A	212	216	Right-handed 310
Helix 4	4	B	103	107	Right-handed 310
Helix 5	5	B	193	198	Right-handed alpha
Helix 6	6	B	212	216	Right-handed 310
Helix 7	7	C	103	107	Right-handed 310
Helix 8	8	C	193	198	Right-handed alpha
Helix 9	9	C	212	216	Right-handed 310
Helix 10	10	D	103	107	Right-handed 310
Helix 11	11	D	193	198	Right-handed alpha
Helix 12	12	D	212	216	Right-handed 310

There are 20 sheets in PDB entry 2D3S. 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	2	7	first strand
Strand 2	A	225	234	anti-parallel
Strand 3	A	31	32	anti-parallel
Strand 4	A	24	25	anti-parallel

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There are 6 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	2	7	first strand
Strand 2	A	225	234	anti-parallel
Strand 3	A	67	75	anti-parallel
Strand 4	A	159	167	anti-parallel
Strand 5	A	172	178	anti-parallel
Strand 6	A	185	191	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	17	21	first strand
Strand 2	A	46	51	anti-parallel
Strand 3	A	201	210	anti-parallel
Strand 4	A	55	56	anti-parallel

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There are 7 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	17	21	first strand
Strand 2	A	46	51	anti-parallel
Strand 3	A	201	210	anti-parallel
Strand 4	A	87	94	anti-parallel
Strand 5	A	119	124	anti-parallel
Strand 6	A	136	141	anti-parallel
Strand 7	A	148	151	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	36	37	first strand
Strand 2	A	40	41	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	B	2	7	first strand
Strand 2	B	225	234	anti-parallel
Strand 3	B	31	32	anti-parallel
Strand 4	B	24	25	anti-parallel

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There are 6 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	2	7	first strand
Strand 2	B	225	234	anti-parallel
Strand 3	B	67	75	anti-parallel
Strand 4	B	160	167	anti-parallel
Strand 5	B	172	178	anti-parallel
Strand 6	B	185	191	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	17	21	first strand
Strand 2	B	46	51	anti-parallel
Strand 3	B	201	210	anti-parallel
Strand 4	B	55	56	anti-parallel

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There are 7 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	17	21	first strand
Strand 2	B	46	51	anti-parallel
Strand 3	B	201	210	anti-parallel
Strand 4	B	87	94	anti-parallel
Strand 5	B	119	124	anti-parallel
Strand 6	B	136	141	anti-parallel
Strand 7	B	148	151	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	B	36	37	first strand
Strand 2	B	40	41	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	C	2	7	first strand
Strand 2	C	225	234	anti-parallel
Strand 3	C	31	32	anti-parallel
Strand 4	C	24	25	anti-parallel

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There are 6 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	2	7	first strand
Strand 2	C	225	234	anti-parallel
Strand 3	C	67	75	anti-parallel
Strand 4	C	160	167	anti-parallel
Strand 5	C	172	179	anti-parallel
Strand 6	C	184	191	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	17	21	first strand
Strand 2	C	46	51	anti-parallel
Strand 3	C	201	210	anti-parallel
Strand 4	C	55	56	anti-parallel

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There are 7 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	17	21	first strand
Strand 2	C	46	51	anti-parallel
Strand 3	C	201	210	anti-parallel
Strand 4	C	87	94	anti-parallel
Strand 5	C	119	124	anti-parallel
Strand 6	C	136	141	anti-parallel
Strand 7	C	148	151	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	36	37	first strand
Strand 2	C	40	41	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	D	2	7	first strand
Strand 2	D	225	234	anti-parallel
Strand 3	D	31	32	anti-parallel
Strand 4	D	24	25	anti-parallel

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There are 6 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	2	7	first strand
Strand 2	D	225	234	anti-parallel
Strand 3	D	67	75	anti-parallel
Strand 4	D	160	166	anti-parallel
Strand 5	D	172	178	anti-parallel
Strand 6	D	185	191	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	17	21	first strand
Strand 2	D	46	51	anti-parallel
Strand 3	D	201	210	anti-parallel
Strand 4	D	55	56	anti-parallel

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There are 7 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	17	21	first strand
Strand 2	D	46	51	anti-parallel
Strand 3	D	201	210	anti-parallel
Strand 4	D	87	94	anti-parallel
Strand 5	D	119	124	anti-parallel
Strand 6	D	136	141	anti-parallel
Strand 7	D	148	151	anti-parallel

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There are 2 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	36	37	first strand
Strand 2	D	40	41	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: 2D3S

Analysis of interatomic Contacts of Structural Units in PDB entry:
2D3S