Analysis of interatomic Contacts of Structural Units in PDB entry:
4CUK

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 4CUK entry

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

Chain ID	Initial residue	Terminal residue
A	MET 1	LYS 330
B	MET 1	HIS 335
C	MET 1	HIS 335
D	MET 1	LYS 330

There are 67 helices in PDB entry 4CUK. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	9	21	Right-handed alpha
Helix 2	2	A	38	43	Right-handed 310
Helix 3	3	A	57	67	Right-handed alpha
Helix 4	4	A	83	90	Right-handed alpha
Helix 5	5	A	101	118	Right-handed alpha
Helix 6	6	A	119	128	Right-handed alpha
Helix 7	7	A	153	166	Right-handed alpha
Helix 8	8	A	178	184	Right-handed alpha
Helix 9	9	A	190	198	Right-handed alpha
Helix 10	10	A	208	212	Right-handed 310
Helix 11	11	A	216	223	Right-handed alpha
Helix 12	12	A	234	237	Right-handed 310
Helix 13	13	A	239	249	Right-handed alpha
Helix 14	14	A	260	265	Right-handed alpha
Helix 15	15	A	278	288	Right-handed alpha
Helix 16	16	A	300	321	Right-handed alpha
Helix 17	17	B	9	20	Right-handed alpha
Helix 18	18	B	21	23	Right-handed 310
Helix 19	19	B	38	43	Right-handed 310
Helix 20	20	B	57	67	Right-handed alpha
Helix 21	21	B	83	91	Right-handed alpha
Helix 22	22	B	101	119	Right-handed alpha
Helix 23	23	B	119	128	Right-handed alpha
Helix 24	24	B	153	166	Right-handed alpha
Helix 25	25	B	178	185	Right-handed alpha
Helix 26	26	B	190	198	Right-handed alpha
Helix 27	27	B	208	212	Right-handed 310
Helix 28	28	B	216	223	Right-handed alpha
Helix 29	29	B	234	237	Right-handed 310
Helix 30	30	B	239	249	Right-handed alpha
Helix 31	31	B	260	264	Right-handed 310
Helix 32	32	B	278	288	Right-handed alpha
Helix 33	33	B	300	320	Right-handed alpha
Helix 34	34	C	9	20	Right-handed alpha
Helix 35	35	C	21	23	Right-handed 310
Helix 36	36	C	38	43	Right-handed 310
Helix 37	37	C	57	67	Right-handed alpha
Helix 38	38	C	83	91	Right-handed alpha
Helix 39	39	C	101	119	Right-handed alpha
Helix 40	40	C	119	128	Right-handed alpha
Helix 41	41	C	153	166	Right-handed alpha
Helix 42	42	C	178	184	Right-handed alpha
Helix 43	43	C	190	198	Right-handed alpha
Helix 44	44	C	208	212	Right-handed 310
Helix 45	45	C	216	223	Right-handed alpha
Helix 46	46	C	234	237	Right-handed 310
Helix 47	47	C	239	249	Right-handed alpha
Helix 48	48	C	260	264	Right-handed 310
Helix 49	49	C	278	288	Right-handed alpha
Helix 50	50	C	300	320	Right-handed alpha
Helix 51	51	D	9	20	Right-handed alpha
Helix 52	52	D	21	23	Right-handed 310
Helix 53	53	D	38	43	Right-handed 310
Helix 54	54	D	57	67	Right-handed alpha
Helix 55	55	D	83	90	Right-handed alpha
Helix 56	56	D	101	118	Right-handed alpha
Helix 57	57	D	119	128	Right-handed alpha
Helix 58	58	D	153	166	Right-handed alpha
Helix 59	59	D	178	184	Right-handed alpha
Helix 60	60	D	190	198	Right-handed alpha
Helix 61	61	D	208	212	Right-handed 310
Helix 62	62	D	216	223	Right-handed alpha
Helix 63	63	D	234	237	Right-handed 310
Helix 64	64	D	239	249	Right-handed alpha
Helix 65	65	D	260	264	Right-handed 310
Helix 66	66	D	278	288	Right-handed alpha
Helix 67	67	D	300	320	Right-handed alpha

There are 8 sheets in PDB entry 4CUK. Click on sheet of interest to get list of strands forming it: AA, AB, BA, BB, CA, CB, A, DB,

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	26	29	first strand
Strand 2	A	2	5	parallel
Strand 3	A	47	50	parallel
Strand 4	A	71	74	parallel
Strand 5	A	93	95	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	187	188	first strand
Strand 2	A	169	173	parallel
Strand 3	A	146	150	parallel
Strand 4	A	200	203	parallel
Strand 5	A	227	231	parallel
Strand 6	A	252	258	parallel
Strand 7	A	290	293	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	26	29	first strand
Strand 2	B	2	5	parallel
Strand 3	B	47	50	parallel
Strand 4	B	71	74	parallel
Strand 5	B	93	95	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	187	188	first strand
Strand 2	B	169	173	parallel
Strand 3	B	146	150	parallel
Strand 4	B	200	203	parallel
Strand 5	B	227	231	parallel
Strand 6	B	252	258	parallel
Strand 7	B	290	293	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	26	29	first strand
Strand 2	C	2	5	parallel
Strand 3	C	47	50	parallel
Strand 4	C	71	74	parallel
Strand 5	C	93	95	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	187	188	first strand
Strand 2	C	169	173	parallel
Strand 3	C	146	150	parallel
Strand 4	C	200	203	parallel
Strand 5	C	227	231	parallel
Strand 6	C	252	258	parallel
Strand 7	C	290	293	parallel

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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	D	26	29	first strand
Strand 2	D	2	5	parallel
Strand 3	D	47	50	parallel
Strand 4	D	71	74	parallel
Strand 5	D	93	95	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	187	188	first strand
Strand 2	D	169	173	parallel
Strand 3	D	146	150	parallel
Strand 4	D	200	203	parallel
Strand 5	D	227	231	parallel
Strand 6	D	252	258	parallel
Strand 7	D	290	293	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: 4CUK

Analysis of interatomic Contacts of Structural Units in PDB entry:
4CUK