Analysis of interatomic Contacts of Structural Units in PDB entry:
8TWD

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 8TWD entry

There are 4 chains in PDB entry 8TWD (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	PRO -1	SER 78
B	PRO -1	SER 78
C	THR 2	SER 335
D	THR 2	ASP 142

There are 22 helices in PDB entry 8TWD. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	68	77	Right-handed alpha
Helix 2	AA2	B	68	78	Right-handed alpha
Helix 3	AA3	C	16	30	Right-handed alpha
Helix 4	AA4	C	39	50	Right-handed alpha
Helix 5	AA5	C	65	77	Right-handed alpha
Helix 6	AA6	C	90	100	Right-handed alpha
Helix 7	AA7	C	112	125	Right-handed alpha
Helix 8	AA8	C	127	129	Right-handed 310
Helix 9	AA9	C	130	146	Right-handed alpha
Helix 10	AB1	C	149	160	Right-handed alpha
Helix 11	AB2	C	209	233	Right-handed alpha
Helix 12	AB3	C	240	255	Right-handed alpha
Helix 13	AB4	D	16	30	Right-handed alpha
Helix 14	AB5	D	39	50	Right-handed alpha
Helix 15	AB6	D	66	76	Right-handed alpha
Helix 16	AB7	D	90	101	Right-handed alpha
Helix 17	AB8	D	113	125	Right-handed alpha
Helix 18	AB9	D	134	148	Right-handed alpha
Helix 19	AC1	D	149	161	Right-handed alpha
Helix 20	AC2	D	209	222	Right-handed alpha
Helix 21	AC3	D	223	233	Right-handed alpha
Helix 22	AC4	D	240	256	Right-handed alpha

There are 8 sheets in PDB entry 8TWD. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8,

There are 7 strands in AA1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	55	57	first strand
Strand 2	A	49	52	anti-parallel
Strand 3	A	42	46	anti-parallel
Strand 4	A	3	11	anti-parallel
Strand 5	A	16	22	anti-parallel
Strand 6	A	26	32	anti-parallel
Strand 7	A	61	66	anti-parallel

Back to list of sheets
Back to top of page

There are 7 strands in AA2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	55	58	first strand
Strand 2	B	49	52	anti-parallel
Strand 3	B	42	45	anti-parallel
Strand 4	B	3	10	anti-parallel
Strand 5	B	17	22	anti-parallel
Strand 6	B	26	32	anti-parallel
Strand 7	B	60	66	anti-parallel

Back to list of sheets
Back to top of page

There are 5 strands in AA3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	33	37	first strand
Strand 2	C	9	13	parallel
Strand 3	C	54	58	parallel
Strand 4	C	82	86	parallel
Strand 5	C	105	107	parallel

Back to list of sheets
Back to top of page

There are 6 strands in AA4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	165	168	first strand
Strand 2	C	171	177	anti-parallel
Strand 3	C	328	334	anti-parallel
Strand 4	C	319	325	anti-parallel
Strand 5	C	283	285	anti-parallel
Strand 6	C	294	295	anti-parallel

Back to list of sheets
Back to top of page

There are 4 strands in AA5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	186	192	first strand
Strand 2	C	197	204	anti-parallel
Strand 3	C	263	269	anti-parallel
Strand 4	C	274	279	anti-parallel

Back to list of sheets
Back to top of page

There are 5 strands in AA6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	33	37	first strand
Strand 2	D	9	13	parallel
Strand 3	D	54	58	parallel
Strand 4	D	82	85	parallel
Strand 5	D	105	106	parallel

Back to list of sheets
Back to top of page

There are 6 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	165	168	first strand
Strand 2	D	171	177	anti-parallel
Strand 3	D	328	335	anti-parallel
Strand 4	D	319	325	anti-parallel
Strand 5	D	283	287	anti-parallel
Strand 6	D	293	295	anti-parallel

Back to list of sheets
Back to top of page

There are 4 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	186	191	first strand
Strand 2	D	197	204	anti-parallel
Strand 3	D	263	269	anti-parallel
Strand 4	D	274	279	anti-parallel

Back to list of sheets
Back to top of page

Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il

Analysis of interatomic Contacts of Structural Units in PDB entry: 8TWD

Analysis of interatomic Contacts of Structural Units in PDB entry:
8TWD