Analysis of interatomic Contacts of Structural Units in PDB entry:
1DSS

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 1DSS entry

There are 4 chains in PDB entry 1DSS (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
G	SER 1	SER 148
G	THR 150	ALA 334
R	SER 1	SER 148
R	THR 150	ALA 334

There are 26 helices in PDB entry 1DSS. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	G	10	21	Right-handed alpha
Helix 2	2	G	37	45	Right-handed alpha
Helix 3	3	G	79	81	Right-handed 310
Helix 4	4	G	84	87	Right-handed alpha
Helix 5	5	G	102	111	Right-handed alpha
Helix 6	6	G	134	136	Right-handed 310
Helix 7	7	G	149	165	Right-handed alpha
Helix 8	8	G	194	196	Right-handed 310
Helix 9	9	G	210	217	Right-handed alpha
Helix 10	10	G	219	221	Right-handed 310
Helix 11	11	G	252	264	Right-handed alpha
Helix 12	12	G	280	283	Right-handed 310
Helix 13	13	G	315	333	Right-handed alpha
Helix 14	14	R	10	21	Right-handed alpha
Helix 15	15	R	37	45	Right-handed alpha
Helix 16	16	R	79	81	Right-handed 310
Helix 17	17	R	84	87	Right-handed alpha
Helix 18	18	R	102	109	Right-handed alpha
Helix 19	19	R	134	136	Right-handed 310
Helix 20	20	R	149	165	Right-handed alpha
Helix 21	21	R	194	196	Right-handed 310
Helix 22	22	R	210	217	Right-handed alpha
Helix 23	23	R	219	221	Right-handed 310
Helix 24	24	R	252	264	Right-handed alpha
Helix 25	25	R	280	283	Right-handed 310
Helix 26	26	R	294	296	Right-handed 310

There are 6 sheets in PDB entry 1DSS. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 8 strands in A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	143	145	first strand
Strand 2	G	115	118	parallel
Strand 3	G	91	94	parallel
Strand 4	G	3	6	parallel
Strand 5	G	27	31	parallel
Strand 6	G	69	74	parallel
Strand 7	G	63	66	anti-parallel
Strand 8	G	57	60	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	G	204	207	first strand
Strand 2	G	225	231	anti-parallel
Strand 3	G	167	176	parallel
Strand 4	G	238	246	anti-parallel
Strand 5	G	304	311	anti-parallel
Strand 6	G	298	301	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	G	271	274	first strand
Strand 2	G	290	293	parallel

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There are 8 strands in D sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	R	143	145	first strand
Strand 2	R	115	118	parallel
Strand 3	R	91	94	parallel
Strand 4	R	3	6	parallel
Strand 5	R	27	31	parallel
Strand 6	R	69	74	parallel
Strand 7	R	63	66	anti-parallel
Strand 8	R	57	60	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	R	204	206	first strand
Strand 2	R	225	231	anti-parallel
Strand 3	R	167	176	parallel
Strand 4	R	238	246	anti-parallel
Strand 5	R	304	311	anti-parallel
Strand 6	R	298	301	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	R	271	274	first strand
Strand 2	R	290	293	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: 1DSS

Analysis of interatomic Contacts of Structural Units in PDB entry:
1DSS