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

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 3ICE entry

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

Chain ID	Initial residue	Terminal residue
A	MSE 1	MSE 415
B	MSE 1	MSE 415
C	MSE 1	MSE 415
D	MSE 1	ILE 57

There are104 helices in PDB entry 3ICE. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	2	9	Right-handed alpha
Helix 2	2	A	30	45	Right-handed alpha
Helix 3	3	A	67	71	Right-handed 310
Helix 4	4	A	82	90	Right-handed alpha
Helix 5	5	A	123	128	Right-handed alpha
Helix 6	6	A	155	166	Right-handed alpha
Helix 7	7	A	183	199	Right-handed alpha
Helix 8	8	A	212	221	Right-handed alpha
Helix 9	9	A	235	256	Right-handed alpha
Helix 10	10	A	266	278	Right-handed alpha
Helix 11	11	A	290	302	Right-handed alpha
Helix 12	12	A	325	339	Right-handed alpha
Helix 13	13	A	346	352	Right-handed alpha
Helix 14	14	A	367	371	Right-handed 310
Helix 15	15	A	373	388	Right-handed alpha
Helix 16	16	A	391	402	Right-handed alpha
Helix 17	17	A	407	415	Right-handed alpha
Helix 18	18	B	2	9	Right-handed alpha
Helix 19	19	B	10	22	Right-handed alpha
Helix 20	20	B	30	46	Right-handed alpha
Helix 21	21	B	67	71	Right-handed 310
Helix 22	22	B	82	90	Right-handed alpha
Helix 23	23	B	123	129	Right-handed 310
Helix 24	24	B	132	136	Right-handed 310
Helix 25	25	B	155	166	Right-handed alpha
Helix 26	26	B	183	199	Right-handed alpha
Helix 27	27	B	212	223	Right-handed alpha
Helix 28	28	B	235	256	Right-handed alpha
Helix 29	29	B	266	278	Right-handed alpha
Helix 30	30	B	291	302	Right-handed alpha
Helix 31	31	B	325	337	Right-handed alpha
Helix 32	32	B	346	352	Right-handed alpha
Helix 33	33	B	367	372	Right-handed 310
Helix 34	34	B	373	388	Right-handed alpha
Helix 35	35	B	391	404	Right-handed alpha
Helix 36	36	B	407	415	Right-handed alpha
Helix 37	37	C	2	9	Right-handed alpha
Helix 38	38	C	10	20	Right-handed alpha
Helix 39	39	C	30	45	Right-handed alpha
Helix 40	40	C	67	71	Right-handed 310
Helix 41	41	C	82	89	Right-handed alpha
Helix 42	42	C	124	129	Right-handed alpha
Helix 43	43	C	155	166	Right-handed alpha
Helix 44	44	C	183	199	Right-handed alpha
Helix 45	45	C	212	223	Right-handed alpha
Helix 46	46	C	235	254	Right-handed alpha
Helix 47	47	C	255	257	Right-handed 310
Helix 48	48	C	266	278	Right-handed alpha
Helix 49	49	C	294	302	Right-handed alpha
Helix 50	50	C	325	337	Right-handed alpha
Helix 51	51	C	367	371	Right-handed 310
Helix 52	52	C	373	388	Right-handed alpha
Helix 53	53	C	391	404	Right-handed alpha
Helix 54	54	C	407	415	Right-handed alpha
Helix 55	55	D	2	9	Right-handed alpha
Helix 56	56	D	10	22	Right-handed alpha
Helix 57	57	D	30	45	Right-handed alpha
Helix 58	58	D	67	71	Right-handed 310
Helix 59	59	D	82	89	Right-handed alpha
Helix 60	60	D	132	136	Right-handed 310
Helix 61	61	D	154	166	Right-handed alpha
Helix 62	62	D	183	199	Right-handed alpha
Helix 63	63	D	212	223	Right-handed alpha
Helix 64	64	D	235	256	Right-handed alpha
Helix 65	65	D	266	278	Right-handed alpha
Helix 66	66	D	294	302	Right-handed alpha
Helix 67	67	D	325	337	Right-handed alpha
Helix 68	68	D	367	371	Right-handed 310
Helix 69	69	D	373	388	Right-handed alpha
Helix 70	70	D	391	402	Right-handed alpha
Helix 71	71	D	407	415	Right-handed alpha
Helix 72	72	E	2	9	Right-handed alpha
Helix 73	73	E	14	21	Right-handed alpha
Helix 74	74	E	30	45	Right-handed alpha
Helix 75	75	E	82	89	Right-handed alpha
Helix 76	76	E	123	130	Right-handed 310
Helix 77	77	E	132	136	Right-handed 310
Helix 78	78	E	155	166	Right-handed alpha
Helix 79	79	E	183	199	Right-handed alpha
Helix 80	80	E	213	223	Right-handed alpha
Helix 81	81	E	235	256	Right-handed alpha
Helix 82	82	E	266	277	Right-handed alpha
Helix 83	83	E	294	302	Right-handed alpha
Helix 84	84	E	325	337	Right-handed alpha
Helix 85	85	E	346	352	Right-handed alpha
Helix 86	86	E	367	372	Right-handed alpha
Helix 87	87	E	373	388	Right-handed alpha
Helix 88	88	E	391	406	Right-handed alpha
Helix 89	89	E	407	415	Right-handed alpha
Helix 90	90	F	2	8	Right-handed alpha
Helix 91	91	F	30	45	Right-handed alpha
Helix 92	92	F	82	90	Right-handed alpha
Helix 93	93	F	125	129	Right-handed 310
Helix 94	94	F	153	166	Right-handed alpha
Helix 95	95	F	183	199	Right-handed alpha
Helix 96	96	F	213	222	Right-handed alpha
Helix 97	97	F	235	256	Right-handed alpha
Helix 98	98	F	266	276	Right-handed alpha
Helix 99	99	F	294	302	Right-handed alpha
Helix 100	100	F	325	337	Right-handed alpha
Helix 101	101	F	346	352	Right-handed alpha
Helix 102	102	F	373	388	Right-handed alpha
Helix 103	103	F	391	406	Right-handed alpha
Helix 104	104	F	407	414	Right-handed alpha

There are 25 sheets in PDB entry 3ICE. 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,

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	A	63	66	first strand
Strand 2	A	50	57	anti-parallel
Strand 3	A	96	102	anti-parallel
Strand 4	A	111	119	anti-parallel
Strand 5	A	79	80	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	138	139	first strand
Strand 2	A	305	307	anti-parallel
Strand 3	A	312	319	anti-parallel
Strand 4	A	259	265	parallel
Strand 5	A	203	209	parallel
Strand 6	A	226	230	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	138	139	first strand
Strand 2	A	305	307	anti-parallel
Strand 3	A	312	319	anti-parallel
Strand 4	A	173	177	parallel
Strand 5	A	341	344	parallel
Strand 6	A	364	365	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	B	118	119	first strand
Strand 2	B	96	102	anti-parallel
Strand 3	B	111	113	anti-parallel
Strand 4	B	79	81	parallel
Strand 5	B	63	66	anti-parallel
Strand 6	B	50	57	anti-parallel
Strand 7	B	96	102	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	138	139	first strand
Strand 2	B	305	307	anti-parallel
Strand 3	B	312	320	anti-parallel
Strand 4	B	259	264	parallel
Strand 5	B	203	211	parallel
Strand 6	B	226	231	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	138	139	first strand
Strand 2	B	305	307	anti-parallel
Strand 3	B	312	320	anti-parallel
Strand 4	B	173	178	parallel
Strand 5	B	341	344	parallel

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There are 2 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	284	285	first strand
Strand 2	B	289	290	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	C	118	119	first strand
Strand 2	C	96	102	anti-parallel
Strand 3	C	112	113	anti-parallel
Strand 4	C	79	81	parallel
Strand 5	C	63	66	anti-parallel
Strand 6	C	49	57	anti-parallel
Strand 7	C	96	102	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	138	139	first strand
Strand 2	C	305	307	anti-parallel
Strand 3	C	312	320	anti-parallel
Strand 4	C	259	265	parallel
Strand 5	C	203	209	parallel
Strand 6	C	226	230	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	C	138	139	first strand
Strand 2	C	305	307	anti-parallel
Strand 3	C	312	320	anti-parallel
Strand 4	C	173	178	parallel
Strand 5	C	341	344	parallel
Strand 6	C	364	365	anti-parallel

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There are 2 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	284	285	first strand
Strand 2	C	289	290	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	63	66	first strand
Strand 2	D	50	57	anti-parallel
Strand 3	D	96	102	anti-parallel
Strand 4	D	111	119	anti-parallel
Strand 5	D	79	80	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	D	138	139	first strand
Strand 2	D	305	307	anti-parallel
Strand 3	D	312	320	anti-parallel
Strand 4	D	259	265	parallel
Strand 5	D	203	209	parallel
Strand 6	D	226	230	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	D	138	139	first strand
Strand 2	D	305	307	anti-parallel
Strand 3	D	312	320	anti-parallel
Strand 4	D	174	178	parallel
Strand 5	D	341	344	parallel
Strand 6	D	364	365	anti-parallel

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There are 2 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	144	145	first strand
Strand 2	D	168	169	anti-parallel

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There are 5 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	63	66	first strand
Strand 2	E	49	57	anti-parallel
Strand 3	E	96	102	anti-parallel
Strand 4	E	111	113	anti-parallel
Strand 5	E	79	80	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	E	63	66	first strand
Strand 2	E	49	57	anti-parallel
Strand 3	E	96	102	anti-parallel
Strand 4	E	118	119	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	138	139	first strand
Strand 2	E	305	307	anti-parallel
Strand 3	E	312	320	anti-parallel
Strand 4	E	259	262	parallel
Strand 5	E	203	210	parallel
Strand 6	E	226	231	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	E	138	139	first strand
Strand 2	E	305	307	anti-parallel
Strand 3	E	312	320	anti-parallel
Strand 4	E	174	178	parallel
Strand 5	E	341	344	parallel
Strand 6	E	364	365	anti-parallel

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There are 2 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	144	145	first strand
Strand 2	E	168	169	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	F	49	57	first strand
Strand 2	F	63	66	anti-parallel
Strand 3	F	79	81	anti-parallel
Strand 4	F	112	119	parallel
Strand 5	F	96	102	anti-parallel
Strand 6	F	49	57	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	F	138	139	first strand
Strand 2	F	305	307	anti-parallel
Strand 3	F	312	320	anti-parallel
Strand 4	F	259	265	parallel
Strand 5	F	203	209	parallel
Strand 6	F	226	230	parallel

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There are 6 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	138	139	first strand
Strand 2	F	305	307	anti-parallel
Strand 3	F	312	320	anti-parallel
Strand 4	F	174	178	parallel
Strand 5	F	341	344	parallel
Strand 6	F	364	365	anti-parallel

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There are 2 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	144	145	first strand
Strand 2	F	168	169	anti-parallel

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There are 2 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	284	285	first strand
Strand 2	F	289	290	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: 3ICE

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