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

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 4CKB entry

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

Chain ID	Initial residue	Terminal residue
A	MET 1	ARG 844
B	MET 1	LEU 287
D	MET 1	ILE 149

There are 88 helices in PDB entry 4CKB. 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	6	Right-handed 310
Helix 2	2	A	10	25	Right-handed alpha
Helix 3	3	A	47	55	Right-handed alpha
Helix 4	4	A	82	85	Right-handed 310
Helix 5	5	A	91	98	Right-handed alpha
Helix 6	6	A	133	140	Right-handed 310
Helix 7	7	A	174	182	Right-handed alpha
Helix 8	8	A	204	221	Right-handed alpha
Helix 9	9	A	243	248	Right-handed 310
Helix 10	10	A	326	338	Right-handed alpha
Helix 11	11	A	358	370	Right-handed alpha
Helix 12	12	A	384	387	Right-handed 310
Helix 13	13	A	466	469	Right-handed 310
Helix 14	14	A	493	503	Right-handed alpha
Helix 15	15	A	510	523	Right-handed alpha
Helix 16	16	A	524	528	Right-handed 310
Helix 17	17	A	563	582	Right-handed alpha
Helix 18	18	A	604	611	Right-handed alpha
Helix 19	19	A	622	637	Right-handed alpha
Helix 20	20	A	658	664	Right-handed alpha
Helix 21	21	A	680	684	Right-handed 310
Helix 22	22	A	686	688	Right-handed 310
Helix 23	23	A	689	700	Right-handed alpha
Helix 24	24	A	713	719	Right-handed alpha
Helix 25	25	A	767	778	Right-handed alpha
Helix 26	26	A	788	794	Right-handed alpha
Helix 27	27	A	795	801	Right-handed alpha
Helix 28	28	A	802	806	Right-handed 310
Helix 29	29	A	808	823	Right-handed alpha
Helix 30	30	A	828	833	Right-handed alpha
Helix 31	31	B	1	11	Right-handed alpha
Helix 32	32	B	36	40	Right-handed 310
Helix 33	33	B	42	47	Right-handed alpha
Helix 34	34	B	47	55	Right-handed alpha
Helix 35	35	B	57	67	Right-handed alpha
Helix 36	36	B	73	82	Right-handed alpha
Helix 37	37	B	132	136	Right-handed 310
Helix 38	38	B	137	140	Right-handed 310
Helix 39	39	B	141	146	Right-handed alpha
Helix 40	40	B	162	175	Right-handed alpha
Helix 41	41	B	202	218	Right-handed alpha
Helix 42	42	B	223	227	Right-handed 310
Helix 43	43	B	238	269	Right-handed alpha
Helix 44	44	B	276	287	Right-handed alpha
Helix 45	45	D	2	6	Right-handed 310
Helix 46	46	D	10	25	Right-handed alpha
Helix 47	47	D	47	55	Right-handed alpha
Helix 48	48	D	82	85	Right-handed 310
Helix 49	49	D	91	98	Right-handed alpha
Helix 50	50	D	133	140	Right-handed 310
Helix 51	51	D	174	182	Right-handed alpha
Helix 52	52	D	204	221	Right-handed alpha
Helix 53	53	D	243	248	Right-handed 310
Helix 54	54	D	326	338	Right-handed alpha
Helix 55	55	D	358	370	Right-handed alpha
Helix 56	56	D	384	387	Right-handed 310
Helix 57	57	D	466	469	Right-handed 310
Helix 58	58	D	493	503	Right-handed alpha
Helix 59	59	D	510	523	Right-handed alpha
Helix 60	60	D	524	528	Right-handed 310
Helix 61	61	D	563	582	Right-handed alpha
Helix 62	62	D	604	611	Right-handed alpha
Helix 63	63	D	622	637	Right-handed alpha
Helix 64	64	D	658	665	Right-handed alpha
Helix 65	65	D	680	684	Right-handed 310
Helix 66	66	D	686	688	Right-handed 310
Helix 67	67	D	689	700	Right-handed alpha
Helix 68	68	D	713	719	Right-handed alpha
Helix 69	69	D	767	777	Right-handed alpha
Helix 70	70	D	788	794	Right-handed alpha
Helix 71	71	D	795	801	Right-handed alpha
Helix 72	72	D	802	806	Right-handed 310
Helix 73	73	D	808	823	Right-handed alpha
Helix 74	74	D	828	833	Right-handed alpha
Helix 75	75	E	1	11	Right-handed alpha
Helix 76	76	E	36	40	Right-handed 310
Helix 77	77	E	42	47	Right-handed alpha
Helix 78	78	E	47	55	Right-handed alpha
Helix 79	79	E	57	67	Right-handed alpha
Helix 80	80	E	73	82	Right-handed alpha
Helix 81	81	E	132	136	Right-handed 310
Helix 82	82	E	137	140	Right-handed 310
Helix 83	83	E	141	146	Right-handed alpha
Helix 84	84	E	162	175	Right-handed alpha
Helix 85	85	E	202	218	Right-handed alpha
Helix 86	86	E	223	227	Right-handed 310
Helix 87	87	E	238	269	Right-handed alpha
Helix 88	88	E	276	287	Right-handed alpha

There are 24 sheets in PDB entry 4CKB. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, AG, AH, AI, AJ, BA, BB, A, DB, C, DD, DE, DF, G, DH, DI, DJ, EA, EB,

There are 9 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	36	42	first strand
Strand 2	A	119	130	anti-parallel
Strand 3	A	103	116	anti-parallel
Strand 4	A	74	78	anti-parallel
Strand 5	A	59	69	anti-parallel
Strand 6	A	142	152	anti-parallel
Strand 7	A	156	168	anti-parallel
Strand 8	A	188	195	anti-parallel
Strand 9	A	36	42	anti-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	227	229	first strand
Strand 2	A	284	288	anti-parallel
Strand 3	A	274	279	anti-parallel
Strand 4	A	264	271	anti-parallel
Strand 5	A	298	306	anti-parallel
Strand 6	A	310	318	anti-parallel
Strand 7	A	345	349	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	238	241	first strand
Strand 2	A	389	393	parallel
Strand 3	A	377	381	anti-parallel
Strand 4	A	255	259	anti-parallel
Strand 5	A	352	353	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	416	417	first strand
Strand 2	A	422	432	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	435	445	first strand
Strand 2	A	422	432	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	489	492	first strand
Strand 2	A	478	484	anti-parallel
Strand 3	A	398	405	anti-parallel
Strand 4	A	422	432	anti-parallel
Strand 5	A	435	445	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	489	492	first strand
Strand 2	A	478	484	anti-parallel
Strand 3	A	398	405	anti-parallel
Strand 4	A	422	432	anti-parallel
Strand 5	A	416	417	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	450	453	first strand
Strand 2	A	458	465	anti-parallel
Strand 3	A	470	476	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	646	651	first strand
Strand 2	A	615	620	parallel
Strand 3	A	593	596	parallel
Strand 4	A	672	678	parallel
Strand 5	A	701	712	parallel
Strand 6	A	836	843	anti-parallel
Strand 7	A	780	787	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	724	727	first strand
Strand 2	A	738	743	anti-parallel
Strand 3	A	748	752	anti-parallel
Strand 4	A	761	764	anti-parallel

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There are 6 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	12	16	first strand
Strand 2	B	176	183	anti-parallel
Strand 3	B	194	201	anti-parallel
Strand 4	B	152	157	anti-parallel
Strand 5	B	98	102	parallel
Strand 6	B	87	88	parallel

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There are 2 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	25	29	first strand
Strand 2	B	230	233	anti-parallel

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There are 9 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	36	42	first strand
Strand 2	D	119	130	anti-parallel
Strand 3	D	103	116	anti-parallel
Strand 4	D	74	78	anti-parallel
Strand 5	D	59	69	anti-parallel
Strand 6	D	142	152	anti-parallel
Strand 7	D	156	168	anti-parallel
Strand 8	D	188	195	anti-parallel
Strand 9	D	36	42	anti-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	227	229	first strand
Strand 2	D	284	288	anti-parallel
Strand 3	D	274	279	anti-parallel
Strand 4	D	264	271	anti-parallel
Strand 5	D	298	306	anti-parallel
Strand 6	D	310	318	anti-parallel
Strand 7	D	345	349	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	238	241	first strand
Strand 2	D	389	393	parallel
Strand 3	D	377	381	anti-parallel
Strand 4	D	255	259	anti-parallel
Strand 5	D	352	353	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	416	417	first strand
Strand 2	D	422	432	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	435	445	first strand
Strand 2	D	422	432	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	489	492	first strand
Strand 2	D	478	484	anti-parallel
Strand 3	D	398	405	anti-parallel
Strand 4	D	422	432	anti-parallel
Strand 5	D	435	445	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	489	492	first strand
Strand 2	D	478	484	anti-parallel
Strand 3	D	398	405	anti-parallel
Strand 4	D	422	432	anti-parallel
Strand 5	D	416	417	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	450	453	first strand
Strand 2	D	458	465	anti-parallel
Strand 3	D	470	476	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	646	651	first strand
Strand 2	D	615	620	parallel
Strand 3	D	593	596	parallel
Strand 4	D	672	678	parallel
Strand 5	D	701	712	parallel
Strand 6	D	836	843	anti-parallel
Strand 7	D	780	787	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	724	727	first strand
Strand 2	D	738	743	anti-parallel
Strand 3	D	748	752	anti-parallel
Strand 4	D	761	764	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	12	16	first strand
Strand 2	E	176	183	anti-parallel
Strand 3	E	194	201	anti-parallel
Strand 4	E	152	157	anti-parallel
Strand 5	E	98	102	parallel
Strand 6	E	87	88	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	25	29	first strand
Strand 2	E	230	233	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: 4CKB

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