Analysis of interatomic Contacts of Structural Units in PDB entry:
1T61

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 1T61 entry

There are 6 chains in PDB entry 1T61 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLY 5	ARG 227
B	PHE 6	ARG 228
C	TYR 5	ASN 226
D	GLY 5	ARG 228
E	GLY 5	ARG 228
F	TYR 5	ASN 226

There are 34 helices in PDB entry 1T61. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	49	51	Right-handed 310
Helix 2	2	A	99	105	Right-handed 310
Helix 3	3	A	149	151	Right-handed 310
Helix 4	4	A	160	162	Right-handed 310
Helix 5	5	A	197	201	Right-handed 310
Helix 6	6	A	214	219	Right-handed 310
Helix 7	7	B	49	51	Right-handed 310
Helix 8	8	B	99	105	Right-handed 310
Helix 9	9	B	149	151	Right-handed 310
Helix 10	10	B	160	162	Right-handed 310
Helix 11	11	B	197	201	Right-handed 310
Helix 12	12	B	215	219	Right-handed 310
Helix 13	13	C	48	50	Right-handed 310
Helix 14	14	C	96	102	Right-handed 310
Helix 15	15	C	157	159	Right-handed 310
Helix 16	16	C	175	177	Right-handed 310
Helix 17	17	C	213	217	Right-handed 310
Helix 18	18	D	49	51	Right-handed 310
Helix 19	19	D	99	105	Right-handed 310
Helix 20	20	D	149	151	Right-handed 310
Helix 21	21	D	160	162	Right-handed 310
Helix 22	22	D	197	201	Right-handed 310
Helix 23	23	D	214	219	Right-handed 310
Helix 24	24	E	49	51	Right-handed 310
Helix 25	25	E	99	105	Right-handed 310
Helix 26	26	E	149	151	Right-handed 310
Helix 27	27	E	160	162	Right-handed 310
Helix 28	28	E	197	201	Right-handed 310
Helix 29	29	E	215	219	Right-handed 310
Helix 30	30	F	48	50	Right-handed 310
Helix 31	31	F	96	102	Right-handed 310
Helix 32	32	F	157	159	Right-handed 310
Helix 33	33	F	175	177	Right-handed 310
Helix 34	34	F	213	217	Right-handed 310

There are 26 sheets in PDB entry 1T61. 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 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	6	11	first strand
Strand 2	A	107	113	anti-parallel
Strand 3	A	25	38	anti-parallel
Strand 4	A	53	54	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	41	44	first strand
Strand 2	A	25	38	anti-parallel
Strand 3	A	79	83	anti-parallel
Strand 4	A	173	177	anti-parallel
Strand 5	A	181	183	anti-parallel
Strand 6	A	96	97	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	B	117	121	first strand
Strand 2	B	221	227	anti-parallel
Strand 3	B	134	147	anti-parallel
Strand 4	B	164	165	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	B	153	155	first strand
Strand 2	B	134	147	anti-parallel
Strand 3	B	189	193	anti-parallel
Strand 4	A	62	65	anti-parallel
Strand 5	A	70	73	anti-parallel
Strand 6	B	208	211	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	A	117	121	first strand
Strand 2	A	221	226	anti-parallel
Strand 3	A	135	147	anti-parallel
Strand 4	A	164	165	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	153	155	first strand
Strand 2	A	135	147	anti-parallel
Strand 3	A	189	193	anti-parallel
Strand 4	C	61	65	anti-parallel
Strand 5	C	69	72	anti-parallel
Strand 6	A	208	211	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	B	7	11	first strand
Strand 2	B	107	112	anti-parallel
Strand 3	B	25	38	anti-parallel
Strand 4	B	53	54	anti-parallel

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There are 6 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	41	44	first strand
Strand 2	B	25	38	anti-parallel
Strand 3	B	79	83	anti-parallel
Strand 4	B	173	177	anti-parallel
Strand 5	B	181	183	anti-parallel
Strand 6	B	96	97	anti-parallel

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There are 2 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	57	58	first strand
Strand 2	C	199	200	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	114	118	first strand
Strand 2	C	219	225	anti-parallel
Strand 3	C	131	144	anti-parallel
Strand 4	C	161	162	anti-parallel

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There are 6 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	150	152	first strand
Strand 2	C	131	144	anti-parallel
Strand 3	C	187	191	anti-parallel
Strand 4	B	62	65	anti-parallel
Strand 5	B	70	73	anti-parallel
Strand 6	C	206	209	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	C	6	10	first strand
Strand 2	C	104	109	anti-parallel
Strand 3	C	25	37	anti-parallel
Strand 4	C	52	53	anti-parallel

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There are 6 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	40	43	first strand
Strand 2	C	25	37	anti-parallel
Strand 3	C	78	82	anti-parallel
Strand 4	C	170	173	anti-parallel
Strand 5	C	179	181	anti-parallel
Strand 6	C	93	94	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	6	11	first strand
Strand 2	D	107	113	anti-parallel
Strand 3	D	25	38	anti-parallel
Strand 4	D	53	54	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	41	44	first strand
Strand 2	D	25	38	anti-parallel
Strand 3	D	79	83	anti-parallel
Strand 4	D	173	177	anti-parallel
Strand 5	D	181	183	anti-parallel
Strand 6	D	96	97	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	E	117	121	first strand
Strand 2	E	221	226	anti-parallel
Strand 3	E	135	147	anti-parallel
Strand 4	E	164	165	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	E	153	155	first strand
Strand 2	E	135	147	anti-parallel
Strand 3	E	189	193	anti-parallel
Strand 4	D	62	65	anti-parallel
Strand 5	D	71	73	anti-parallel
Strand 6	E	208	210	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	117	121	first strand
Strand 2	D	221	227	anti-parallel
Strand 3	D	134	147	anti-parallel
Strand 4	D	164	165	anti-parallel

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There are 6 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	153	155	first strand
Strand 2	D	134	147	anti-parallel
Strand 3	D	189	193	anti-parallel
Strand 4	F	61	65	anti-parallel
Strand 5	F	69	72	anti-parallel
Strand 6	D	208	211	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	E	6	11	first strand
Strand 2	E	107	113	anti-parallel
Strand 3	E	25	38	anti-parallel
Strand 4	E	53	54	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	41	44	first strand
Strand 2	E	25	38	anti-parallel
Strand 3	E	79	83	anti-parallel
Strand 4	E	173	177	anti-parallel
Strand 5	E	181	183	anti-parallel
Strand 6	E	96	97	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	57	58	first strand
Strand 2	F	199	200	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	F	114	118	first strand
Strand 2	F	219	225	anti-parallel
Strand 3	F	131	144	anti-parallel
Strand 4	F	161	162	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	150	152	first strand
Strand 2	F	131	144	anti-parallel
Strand 3	F	187	191	anti-parallel
Strand 4	E	62	65	anti-parallel
Strand 5	E	71	73	anti-parallel
Strand 6	F	206	208	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	F	6	10	first strand
Strand 2	F	104	109	anti-parallel
Strand 3	F	25	37	anti-parallel
Strand 4	F	52	53	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	40	43	first strand
Strand 2	F	25	37	anti-parallel
Strand 3	F	78	82	anti-parallel
Strand 4	F	170	173	anti-parallel
Strand 5	F	179	181	anti-parallel
Strand 6	F	93	94	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: 1T61

Analysis of interatomic Contacts of Structural Units in PDB entry:
1T61