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

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 3TOS entry

There are 5 chains in PDB entry 3TOS (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLN 7	ASP 257
B	SER 1	ASP 257
C	GLN 7	ASP 257
D	GLN 7	ASP 257
E	GLN 7	LEU 175

There are100 helices in PDB entry 3TOS. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	8	12	Right-handed 310
Helix 2	2	A	16	32	Right-handed alpha
Helix 3	3	A	36	48	Right-handed 310
Helix 4	4	A	49	66	Right-handed alpha
Helix 5	5	A	81	95	Right-handed alpha
Helix 6	6	A	116	120	Right-handed 310
Helix 7	7	A	135	149	Right-handed alpha
Helix 8	8	A	166	178	Right-handed alpha
Helix 9	9	A	192	204	Right-handed alpha
Helix 10	10	A	224	234	Right-handed alpha
Helix 11	11	B	8	12	Right-handed 310
Helix 12	12	B	16	32	Right-handed alpha
Helix 13	13	B	36	48	Right-handed 310
Helix 14	14	B	49	66	Right-handed alpha
Helix 15	15	B	81	95	Right-handed alpha
Helix 16	16	B	116	120	Right-handed 310
Helix 17	17	B	135	149	Right-handed alpha
Helix 18	18	B	166	178	Right-handed alpha
Helix 19	19	B	192	204	Right-handed alpha
Helix 20	20	B	224	234	Right-handed alpha
Helix 21	21	C	8	12	Right-handed 310
Helix 22	22	C	16	32	Right-handed alpha
Helix 23	23	C	36	48	Right-handed 310
Helix 24	24	C	49	66	Right-handed alpha
Helix 25	25	C	81	95	Right-handed alpha
Helix 26	26	C	116	120	Right-handed 310
Helix 27	27	C	135	149	Right-handed alpha
Helix 28	28	C	166	178	Right-handed alpha
Helix 29	29	C	192	204	Right-handed alpha
Helix 30	30	C	224	234	Right-handed alpha
Helix 31	31	D	8	12	Right-handed 310
Helix 32	32	D	16	32	Right-handed alpha
Helix 33	33	D	36	48	Right-handed 310
Helix 34	34	D	49	66	Right-handed alpha
Helix 35	35	D	81	95	Right-handed alpha
Helix 36	36	D	116	120	Right-handed 310
Helix 37	37	D	135	149	Right-handed alpha
Helix 38	38	D	166	178	Right-handed alpha
Helix 39	39	D	192	204	Right-handed alpha
Helix 40	40	D	224	234	Right-handed alpha
Helix 41	41	E	8	12	Right-handed 310
Helix 42	42	E	16	32	Right-handed alpha
Helix 43	43	E	36	48	Right-handed 310
Helix 44	44	E	49	66	Right-handed alpha
Helix 45	45	E	81	95	Right-handed alpha
Helix 46	46	E	116	120	Right-handed 310
Helix 47	47	E	135	149	Right-handed alpha
Helix 48	48	E	166	178	Right-handed alpha
Helix 49	49	E	192	204	Right-handed alpha
Helix 50	50	E	224	234	Right-handed alpha
Helix 51	51	F	8	12	Right-handed 310
Helix 52	52	F	16	32	Right-handed alpha
Helix 53	53	F	36	48	Right-handed 310
Helix 54	54	F	49	66	Right-handed alpha
Helix 55	55	F	81	95	Right-handed alpha
Helix 56	56	F	116	120	Right-handed 310
Helix 57	57	F	135	149	Right-handed alpha
Helix 58	58	F	166	178	Right-handed alpha
Helix 59	59	F	192	204	Right-handed alpha
Helix 60	60	F	224	234	Right-handed alpha
Helix 61	61	G	8	12	Right-handed 310
Helix 62	62	G	16	32	Right-handed alpha
Helix 63	63	G	36	48	Right-handed 310
Helix 64	64	G	49	66	Right-handed alpha
Helix 65	65	G	81	95	Right-handed alpha
Helix 66	66	G	116	120	Right-handed 310
Helix 67	67	G	135	149	Right-handed alpha
Helix 68	68	G	166	178	Right-handed alpha
Helix 69	69	G	192	204	Right-handed alpha
Helix 70	70	G	224	234	Right-handed alpha
Helix 71	71	H	8	12	Right-handed 310
Helix 72	72	H	16	32	Right-handed alpha
Helix 73	73	H	36	48	Right-handed 310
Helix 74	74	H	49	66	Right-handed alpha
Helix 75	75	H	81	95	Right-handed alpha
Helix 76	76	H	116	120	Right-handed 310
Helix 77	77	H	135	149	Right-handed alpha
Helix 78	78	H	166	178	Right-handed alpha
Helix 79	79	H	192	204	Right-handed alpha
Helix 80	80	H	224	234	Right-handed alpha
Helix 81	81	I	8	12	Right-handed 310
Helix 82	82	I	16	32	Right-handed alpha
Helix 83	83	I	36	48	Right-handed 310
Helix 84	84	I	49	66	Right-handed alpha
Helix 85	85	I	81	95	Right-handed alpha
Helix 86	86	I	116	120	Right-handed 310
Helix 87	87	I	135	149	Right-handed alpha
Helix 88	88	I	166	178	Right-handed alpha
Helix 89	89	I	192	204	Right-handed alpha
Helix 90	90	I	224	234	Right-handed alpha
Helix 91	91	J	8	12	Right-handed 310
Helix 92	92	J	16	32	Right-handed alpha
Helix 93	93	J	36	48	Right-handed 310
Helix 94	94	J	49	66	Right-handed alpha
Helix 95	95	J	81	95	Right-handed alpha
Helix 96	96	J	116	120	Right-handed 310
Helix 97	97	J	135	149	Right-handed alpha
Helix 98	98	J	166	178	Right-handed alpha
Helix 99	99	J	192	204	Right-handed alpha
Helix 100	100	J	224	234	Right-handed alpha

There are 10 sheets in PDB entry 3TOS. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

There are 7 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	160	164	first strand
Strand 2	A	103	107	parallel
Strand 3	A	72	76	parallel
Strand 4	A	183	188	parallel
Strand 5	A	207	215	parallel
Strand 6	A	251	254	anti-parallel
Strand 7	A	242	243	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	160	164	first strand
Strand 2	B	103	107	parallel
Strand 3	B	72	76	parallel
Strand 4	B	183	188	parallel
Strand 5	B	207	215	parallel
Strand 6	B	251	254	anti-parallel
Strand 7	B	242	243	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	160	164	first strand
Strand 2	C	103	107	parallel
Strand 3	C	72	76	parallel
Strand 4	C	183	188	parallel
Strand 5	C	207	215	parallel
Strand 6	C	251	254	anti-parallel
Strand 7	C	242	243	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	D	160	164	first strand
Strand 2	D	103	107	parallel
Strand 3	D	72	76	parallel
Strand 4	D	183	188	parallel
Strand 5	D	207	215	parallel
Strand 6	D	251	254	anti-parallel
Strand 7	D	242	243	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	160	164	first strand
Strand 2	E	103	107	parallel
Strand 3	E	72	76	parallel
Strand 4	E	183	188	parallel
Strand 5	E	207	215	parallel
Strand 6	E	251	254	anti-parallel
Strand 7	E	242	243	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	160	164	first strand
Strand 2	F	103	107	parallel
Strand 3	F	72	76	parallel
Strand 4	F	183	188	parallel
Strand 5	F	207	215	parallel
Strand 6	F	251	254	anti-parallel
Strand 7	F	242	243	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	160	164	first strand
Strand 2	G	103	107	parallel
Strand 3	G	72	76	parallel
Strand 4	G	183	188	parallel
Strand 5	G	207	215	parallel
Strand 6	G	251	254	anti-parallel
Strand 7	G	242	243	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	160	164	first strand
Strand 2	H	103	107	parallel
Strand 3	H	72	76	parallel
Strand 4	H	183	188	parallel
Strand 5	H	207	215	parallel
Strand 6	H	251	254	anti-parallel
Strand 7	H	242	243	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	I	160	164	first strand
Strand 2	I	103	107	parallel
Strand 3	I	72	76	parallel
Strand 4	I	183	188	parallel
Strand 5	I	207	215	parallel
Strand 6	I	251	254	anti-parallel
Strand 7	I	242	243	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	160	164	first strand
Strand 2	J	103	107	parallel
Strand 3	J	72	76	parallel
Strand 4	J	183	188	parallel
Strand 5	J	207	215	parallel
Strand 6	J	251	254	anti-parallel
Strand 7	J	242	243	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: 3TOS

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