Analysis of interatomic Contacts of Structural Units in PDB entry:
3U61

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 3U61 entry

There are 5 chains in PDB entry 3U61 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
B	ILE 2	TRP 318
C	SER 0	TRP 318
D	SER 0	LYS 319
E	THR 3	GLU 315
A	SER 2	LYS 35

There are 99 helices in PDB entry 3U61. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	B	10	15	Right-handed alpha
Helix 2	2	B	26	39	Right-handed alpha
Helix 3	3	B	55	67	Right-handed alpha
Helix 4	4	B	80	86	Right-handed alpha
Helix 5	5	B	86	94	Right-handed alpha
Helix 6	6	B	111	113	Right-handed 310
Helix 7	7	B	114	129	Right-handed alpha
Helix 8	8	B	130	132	Right-handed 310
Helix 9	9	B	140	144	Right-handed 310
Helix 10	10	B	147	152	Right-handed alpha
Helix 11	11	B	161	184	Right-handed alpha
Helix 12	12	B	189	200	Right-handed alpha
Helix 13	13	B	205	215	Right-handed alpha
Helix 14	14	B	216	218	Right-handed 310
Helix 15	15	B	235	244	Right-handed alpha
Helix 16	16	B	246	258	Right-handed alpha
Helix 17	17	B	260	276	Right-handed alpha
Helix 18	18	B	277	295	Right-handed alpha
Helix 19	19	B	300	316	Right-handed alpha
Helix 20	20	C	26	40	Right-handed alpha
Helix 21	21	C	55	68	Right-handed alpha
Helix 22	22	C	77	79	Right-handed 310
Helix 23	23	C	80	86	Right-handed alpha
Helix 24	24	C	86	94	Right-handed alpha
Helix 25	25	C	111	113	Right-handed 310
Helix 26	26	C	114	128	Right-handed alpha
Helix 27	27	C	140	144	Right-handed 310
Helix 28	28	C	145	150	Right-handed alpha
Helix 29	29	C	161	184	Right-handed alpha
Helix 30	30	C	190	200	Right-handed alpha
Helix 31	31	C	203	215	Right-handed alpha
Helix 32	32	C	221	232	Right-handed alpha
Helix 33	33	C	235	244	Right-handed alpha
Helix 34	34	C	246	258	Right-handed alpha
Helix 35	35	C	260	276	Right-handed alpha
Helix 36	36	C	277	295	Right-handed alpha
Helix 37	37	C	300	316	Right-handed alpha
Helix 38	38	D	26	40	Right-handed alpha
Helix 39	39	D	55	68	Right-handed alpha
Helix 40	40	D	77	79	Right-handed 310
Helix 41	41	D	80	86	Right-handed alpha
Helix 42	42	D	86	93	Right-handed alpha
Helix 43	43	D	111	113	Right-handed 310
Helix 44	44	D	114	128	Right-handed alpha
Helix 45	45	D	140	144	Right-handed 310
Helix 46	46	D	145	150	Right-handed alpha
Helix 47	47	D	161	184	Right-handed alpha
Helix 48	48	D	190	200	Right-handed alpha
Helix 49	49	D	203	215	Right-handed alpha
Helix 50	50	D	216	218	Right-handed 310
Helix 51	51	D	224	230	Right-handed alpha
Helix 52	52	D	235	244	Right-handed alpha
Helix 53	53	D	246	258	Right-handed alpha
Helix 54	54	D	260	276	Right-handed alpha
Helix 55	55	D	277	295	Right-handed alpha
Helix 56	56	D	300	316	Right-handed alpha
Helix 57	57	E	10	15	Right-handed alpha
Helix 58	58	E	26	39	Right-handed alpha
Helix 59	59	E	55	67	Right-handed alpha
Helix 60	60	E	77	79	Right-handed 310
Helix 61	61	E	80	86	Right-handed alpha
Helix 62	62	E	86	94	Right-handed alpha
Helix 63	63	E	114	128	Right-handed alpha
Helix 64	64	E	140	144	Right-handed 310
Helix 65	65	E	145	152	Right-handed alpha
Helix 66	66	E	161	183	Right-handed alpha
Helix 67	67	E	193	200	Right-handed alpha
Helix 68	68	E	203	212	Right-handed alpha
Helix 69	69	E	235	244	Right-handed alpha
Helix 70	70	E	246	258	Right-handed alpha
Helix 71	71	E	260	276	Right-handed alpha
Helix 72	72	E	277	295	Right-handed alpha
Helix 73	73	E	300	315	Right-handed alpha
Helix 74	74	A	11	20	Right-handed alpha
Helix 75	75	A	21	33	Right-handed alpha
Helix 76	76	A	35	50	Right-handed alpha
Helix 77	77	A	61	71	Right-handed alpha
Helix 78	78	A	75	85	Right-handed alpha
Helix 79	79	A	92	102	Right-handed alpha
Helix 80	80	A	118	132	Right-handed alpha
Helix 81	81	A	136	148	Right-handed alpha
Helix 82	82	A	151	158	Right-handed alpha
Helix 83	83	A	163	171	Right-handed alpha
Helix 84	84	A	174	183	Right-handed alpha
Helix 85	85	G	1004	1018	Right-handed alpha
Helix 86	86	G	1056	1065	Right-handed alpha
Helix 87	87	G	1096	1100	Right-handed 310
Helix 88	88	G	1119	1134	Right-handed alpha
Helix 89	89	G	1185	1187	Right-handed 310
Helix 90	90	H	2004	2018	Right-handed alpha
Helix 91	91	H	2056	2065	Right-handed alpha
Helix 92	92	H	2096	2100	Right-handed 310
Helix 93	93	H	2119	2134	Right-handed alpha
Helix 94	94	H	2185	2187	Right-handed 310
Helix 95	95	F	3004	3018	Right-handed alpha
Helix 96	96	F	3056	3065	Right-handed alpha
Helix 97	97	F	3096	3100	Right-handed 310
Helix 98	98	F	3119	3134	Right-handed alpha
Helix 99	99	F	3185	3187	Right-handed 310

There are 14 sheets in PDB entry 3U61. 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,

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	69	75	first strand
Strand 2	B	101	107	parallel
Strand 3	B	133	138	parallel
Strand 4	B	45	48	parallel
Strand 5	B	153	156	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	70	75	first strand
Strand 2	C	102	107	parallel
Strand 3	C	132	138	parallel
Strand 4	C	45	48	parallel
Strand 5	C	153	156	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	C	186	187	first strand
Strand 2	C	219	220	parallel

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There are 5 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	70	75	first strand
Strand 2	D	102	107	parallel
Strand 3	D	132	138	parallel
Strand 4	D	45	48	parallel
Strand 5	D	153	156	parallel

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There are 5 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	70	75	first strand
Strand 2	E	102	107	parallel
Strand 3	E	132	138	parallel
Strand 4	E	45	48	parallel
Strand 5	E	153	156	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	G	1021	1023	first strand
Strand 2	G	1052	1054	anti-parallel

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There are 6 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	1026	1032	first strand
Strand 2	G	1038	1048	anti-parallel
Strand 3	G	1214	1219	anti-parallel
Strand 4	G	1204	1210	anti-parallel
Strand 5	G	1194	1201	anti-parallel
Strand 6	G	1114	1118	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	1072	1075	first strand
Strand 2	G	1081	1084	anti-parallel
Strand 3	G	1088	1092	anti-parallel
Strand 4	H	2165	2171	anti-parallel
Strand 5	H	2146	2152	anti-parallel
Strand 6	H	2137	2143	anti-parallel
Strand 7	H	2178	2183	anti-parallel
Strand 8	H	2225	2226	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	1225	1226	first strand
Strand 2	G	1178	1183	anti-parallel
Strand 3	G	1137	1143	anti-parallel
Strand 4	G	1146	1152	anti-parallel
Strand 5	G	1165	1171	anti-parallel
Strand 6	F	3088	3092	anti-parallel
Strand 7	F	3081	3084	anti-parallel
Strand 8	F	3072	3075	anti-parallel

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There are 2 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	2021	2023	first strand
Strand 2	H	2052	2054	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	H	2026	2032	first strand
Strand 2	H	2038	2048	anti-parallel
Strand 3	H	2215	2219	anti-parallel
Strand 4	H	2204	2211	anti-parallel
Strand 5	H	2194	2201	anti-parallel
Strand 6	H	2114	2118	anti-parallel

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There are 7 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	2072	2075	first strand
Strand 2	H	2081	2084	anti-parallel
Strand 3	H	2088	2092	anti-parallel
Strand 4	F	3165	3171	anti-parallel
Strand 5	F	3146	3152	anti-parallel
Strand 6	F	3137	3143	anti-parallel
Strand 7	F	3180	3183	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	3021	3023	first strand
Strand 2	F	3052	3054	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	3026	3032	first strand
Strand 2	F	3038	3048	anti-parallel
Strand 3	F	3215	3219	anti-parallel
Strand 4	F	3204	3211	anti-parallel
Strand 5	F	3194	3201	anti-parallel
Strand 6	F	3114	3118	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: 3U61

Analysis of interatomic Contacts of Structural Units in PDB entry:
3U61