Analysis of interatomic Contacts of Structural Units in PDB entry:
3TT1

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 3TT1 entry

There are 4 chains in PDB entry 3TT1 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ARG 5	ARG 507
B	ARG 5	ARG 507
L	ASP 1	ARG 215
H	GLN 1	SER 88

There are 68 helices in PDB entry 3TT1. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	10	23	Right-handed alpha
Helix 2	2	A	24	29	Right-handed alpha
Helix 3	3	A	29	38	Right-handed alpha
Helix 4	4	A	39	42	Right-handed 310
Helix 5	5	A	43	54	Right-handed alpha
Helix 6	6	A	54	71	Right-handed alpha
Helix 7	7	A	76	85	Right-handed alpha
Helix 8	8	A	87	125	Right-handed alpha
Helix 9	9	A	136	153	Right-handed alpha
Helix 10	10	A	165	184	Right-handed alpha
Helix 11	11	A	190	215	Right-handed alpha
Helix 12	12	A	223	231	Right-handed alpha
Helix 13	13	A	236	239	Right-handed 310
Helix 14	14	A	240	255	Right-handed alpha
Helix 15	15	A	260	267	Right-handed alpha
Helix 16	16	A	275	292	Right-handed alpha
Helix 17	17	A	293	296	Right-handed 310
Helix 18	18	A	297	307	Right-handed alpha
Helix 19	19	A	310	317	Right-handed alpha
Helix 20	20	A	318	325	Right-handed alpha
Helix 21	21	A	325	332	Right-handed alpha
Helix 22	22	A	336	370	Right-handed alpha
Helix 23	23	A	374	396	Right-handed alpha
Helix 24	24	A	398	407	Right-handed alpha
Helix 25	25	A	409	425	Right-handed alpha
Helix 26	26	A	428	438	Right-handed alpha
Helix 27	27	A	447	454	Right-handed alpha
Helix 28	28	A	454	478	Right-handed alpha
Helix 29	29	A	482	507	Right-handed alpha
Helix 30	30	B	10	23	Right-handed alpha
Helix 31	31	B	24	29	Right-handed alpha
Helix 32	32	B	29	38	Right-handed alpha
Helix 33	33	B	39	42	Right-handed 310
Helix 34	34	B	43	54	Right-handed alpha
Helix 35	35	B	54	71	Right-handed alpha
Helix 36	36	B	76	85	Right-handed alpha
Helix 37	37	B	87	125	Right-handed alpha
Helix 38	38	B	136	153	Right-handed alpha
Helix 39	39	B	165	184	Right-handed alpha
Helix 40	40	B	190	215	Right-handed alpha
Helix 41	41	B	223	231	Right-handed alpha
Helix 42	42	B	236	239	Right-handed 310
Helix 43	43	B	240	255	Right-handed alpha
Helix 44	44	B	260	267	Right-handed alpha
Helix 45	45	B	275	292	Right-handed alpha
Helix 46	46	B	293	296	Right-handed 310
Helix 47	47	B	297	307	Right-handed alpha
Helix 48	48	B	310	317	Right-handed alpha
Helix 49	49	B	318	325	Right-handed alpha
Helix 50	50	B	325	332	Right-handed alpha
Helix 51	51	B	336	370	Right-handed alpha
Helix 52	52	B	374	396	Right-handed alpha
Helix 53	53	B	398	407	Right-handed alpha
Helix 54	54	B	409	425	Right-handed alpha
Helix 55	55	B	428	438	Right-handed alpha
Helix 56	56	B	447	454	Right-handed alpha
Helix 57	57	B	454	478	Right-handed alpha
Helix 58	58	B	482	507	Right-handed alpha
Helix 59	59	L	83	87	Right-handed 310
Helix 60	60	L	125	132	Right-handed alpha
Helix 61	61	L	187	191	Right-handed alpha
Helix 62	62	H	28	32	Right-handed 310
Helix 63	63	H	87	91	Right-handed 310
Helix 64	64	M	83	87	Right-handed 310
Helix 65	65	M	125	132	Right-handed alpha
Helix 66	66	M	187	191	Right-handed alpha
Helix 67	67	I	28	32	Right-handed 310
Helix 68	68	I	87	91	Right-handed 310

There are 26 sheets in PDB entry 3TT1. 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, U, V, W, X, Y, Z,

There are 2 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	217	218	first strand
Strand 2	A	221	222	anti-parallel

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There are 2 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	217	218	first strand
Strand 2	B	221	222	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	L	4	7	first strand
Strand 2	L	19	25	anti-parallel
Strand 3	L	74	79	anti-parallel
Strand 4	L	66	71	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	10	13	first strand
Strand 2	L	106	110	parallel
Strand 3	L	88	94	anti-parallel
Strand 4	L	37	42	anti-parallel
Strand 5	L	49	53	anti-parallel
Strand 6	L	57	58	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	10	13	first strand
Strand 2	L	106	110	parallel
Strand 3	L	88	94	anti-parallel
Strand 4	L	101	102	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	L	30	31	first strand
Strand 2	L	34	35	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	118	122	first strand
Strand 2	L	133	143	anti-parallel
Strand 3	L	177	186	anti-parallel
Strand 4	L	163	164	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	L	157	159	first strand
Strand 2	L	148	154	anti-parallel
Strand 3	L	196	202	anti-parallel
Strand 4	L	205	213	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	3	6	first strand
Strand 2	H	18	25	anti-parallel
Strand 3	H	78	83	anti-parallel
Strand 4	H	68	73	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	10	12	first strand
Strand 2	H	115	119	parallel
Strand 3	H	92	99	anti-parallel
Strand 4	H	33	39	anti-parallel
Strand 5	H	46	51	anti-parallel
Strand 6	H	58	60	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	H	10	12	first strand
Strand 2	H	115	119	parallel
Strand 3	H	92	99	anti-parallel
Strand 4	H	108	111	anti-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	H	128	132	first strand
Strand 2	H	144	153	anti-parallel
Strand 3	H	182	191	anti-parallel
Strand 4	H	171	173	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	H	128	132	first strand
Strand 2	H	144	153	anti-parallel
Strand 3	H	182	191	anti-parallel
Strand 4	H	177	179	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	H	159	161	first strand
Strand 2	H	202	206	anti-parallel
Strand 3	H	213	216	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	4	7	first strand
Strand 2	M	19	25	anti-parallel
Strand 3	M	74	79	anti-parallel
Strand 4	M	66	71	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	10	13	first strand
Strand 2	M	106	110	parallel
Strand 3	M	89	94	anti-parallel
Strand 4	M	37	42	anti-parallel
Strand 5	M	49	53	anti-parallel
Strand 6	M	57	58	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	10	13	first strand
Strand 2	M	106	110	parallel
Strand 3	M	89	94	anti-parallel
Strand 4	M	101	102	anti-parallel

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There are 2 strands in R sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	30	31	first strand
Strand 2	M	34	35	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	118	122	first strand
Strand 2	M	133	143	anti-parallel
Strand 3	M	177	186	anti-parallel
Strand 4	M	163	164	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	157	159	first strand
Strand 2	M	148	154	anti-parallel
Strand 3	M	196	202	anti-parallel
Strand 4	M	205	213	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	3	6	first strand
Strand 2	I	18	25	anti-parallel
Strand 3	I	78	83	anti-parallel
Strand 4	I	68	73	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	10	12	first strand
Strand 2	I	115	119	parallel
Strand 3	I	92	99	anti-parallel
Strand 4	I	33	39	anti-parallel
Strand 5	I	46	51	anti-parallel
Strand 6	I	58	60	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	10	12	first strand
Strand 2	I	115	119	parallel
Strand 3	I	92	99	anti-parallel
Strand 4	I	108	111	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	128	132	first strand
Strand 2	I	144	153	anti-parallel
Strand 3	I	182	191	anti-parallel
Strand 4	I	171	173	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	128	132	first strand
Strand 2	I	144	153	anti-parallel
Strand 3	I	182	191	anti-parallel
Strand 4	I	177	179	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	159	161	first strand
Strand 2	I	202	206	anti-parallel
Strand 3	I	213	216	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: 3TT1

Analysis of interatomic Contacts of Structural Units in PDB entry:
3TT1