Analysis of interatomic Contacts of Structural Units in PDB entry:
4KQ1

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 4KQ1 entry

There are 4 chains in PDB entry 4KQ1 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	SER 2	ALA 639
B	SER 2	ALA 639
C	SER 2	ALA 639
D	SER 2	ALA 639

There are120 helices in PDB entry 4KQ1. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	23	40	Right-handed alpha
Helix 2	2	A	53	56	Right-handed 310
Helix 3	3	A	73	86	Right-handed alpha
Helix 4	4	A	108	113	Right-handed 310
Helix 5	5	A	114	126	Right-handed alpha
Helix 6	6	A	134	158	Right-handed alpha
Helix 7	7	A	170	173	Right-handed 310
Helix 8	8	A	174	182	Right-handed alpha
Helix 9	9	A	195	205	Right-handed alpha
Helix 10	10	A	217	225	Right-handed alpha
Helix 11	11	A	227	241	Right-handed alpha
Helix 12	12	A	248	260	Right-handed alpha
Helix 13	13	A	280	301	Right-handed alpha
Helix 14	14	A	308	310	Right-handed 310
Helix 15	15	A	327	346	Right-handed alpha
Helix 16	16	A	365	400	Right-handed alpha
Helix 17	17	A	412	416	Right-handed 310
Helix 18	18	A	418	431	Right-handed alpha
Helix 19	19	A	453	463	Right-handed alpha
Helix 20	20	A	491	499	Right-handed alpha
Helix 21	21	A	512	521	Right-handed alpha
Helix 22	22	A	531	539	Right-handed alpha
Helix 23	23	A	542	549	Right-handed alpha
Helix 24	24	A	560	578	Right-handed alpha
Helix 25	25	A	579	594	Right-handed alpha
Helix 26	26	A	595	597	Right-handed 310
Helix 27	27	A	598	618	Right-handed alpha
Helix 28	28	A	618	627	Right-handed alpha
Helix 29	29	A	634	639	Right-handed alpha
Helix 30	30	B	23	40	Right-handed alpha
Helix 31	31	B	53	56	Right-handed 310
Helix 32	32	B	73	85	Right-handed alpha
Helix 33	33	B	111	113	Right-handed 310
Helix 34	34	B	114	126	Right-handed alpha
Helix 35	35	B	134	158	Right-handed alpha
Helix 36	36	B	170	173	Right-handed 310
Helix 37	37	B	174	182	Right-handed alpha
Helix 38	38	B	195	202	Right-handed alpha
Helix 39	39	B	208	213	Right-handed alpha
Helix 40	40	B	214	216	Right-handed 310
Helix 41	41	B	217	225	Right-handed alpha
Helix 42	42	B	227	241	Right-handed alpha
Helix 43	43	B	248	260	Right-handed alpha
Helix 44	44	B	280	301	Right-handed alpha
Helix 45	45	B	308	310	Right-handed 310
Helix 46	46	B	327	345	Right-handed alpha
Helix 47	47	B	365	400	Right-handed alpha
Helix 48	48	B	412	417	Right-handed alpha
Helix 49	49	B	418	432	Right-handed alpha
Helix 50	50	B	449	452	Right-handed 310
Helix 51	51	B	453	462	Right-handed alpha
Helix 52	52	B	491	499	Right-handed alpha
Helix 53	53	B	512	521	Right-handed alpha
Helix 54	54	B	531	541	Right-handed alpha
Helix 55	55	B	542	549	Right-handed alpha
Helix 56	56	B	560	578	Right-handed alpha
Helix 57	57	B	579	594	Right-handed alpha
Helix 58	58	B	595	597	Right-handed 310
Helix 59	59	B	598	618	Right-handed alpha
Helix 60	60	B	618	625	Right-handed alpha
Helix 61	61	C	23	40	Right-handed alpha
Helix 62	62	C	53	57	Right-handed alpha
Helix 63	63	C	65	69	Right-handed 310
Helix 64	64	C	74	85	Right-handed alpha
Helix 65	65	C	108	113	Right-handed 310
Helix 66	66	C	114	126	Right-handed alpha
Helix 67	67	C	134	158	Right-handed alpha
Helix 68	68	C	170	173	Right-handed 310
Helix 69	69	C	174	182	Right-handed alpha
Helix 70	70	C	195	204	Right-handed alpha
Helix 71	71	C	217	224	Right-handed alpha
Helix 72	72	C	227	241	Right-handed alpha
Helix 73	73	C	248	260	Right-handed alpha
Helix 74	74	C	280	301	Right-handed alpha
Helix 75	75	C	308	310	Right-handed 310
Helix 76	76	C	327	345	Right-handed alpha
Helix 77	77	C	365	400	Right-handed alpha
Helix 78	78	C	412	416	Right-handed 310
Helix 79	79	C	418	432	Right-handed alpha
Helix 80	80	C	453	463	Right-handed alpha
Helix 81	81	C	491	499	Right-handed alpha
Helix 82	82	C	512	521	Right-handed alpha
Helix 83	83	C	531	539	Right-handed alpha
Helix 84	84	C	544	548	Right-handed 310
Helix 85	85	C	560	577	Right-handed alpha
Helix 86	86	C	579	593	Right-handed alpha
Helix 87	87	C	594	597	Right-handed 310
Helix 88	88	C	598	618	Right-handed alpha
Helix 89	89	C	618	627	Right-handed alpha
Helix 90	90	C	634	639	Right-handed alpha
Helix 91	91	D	23	40	Right-handed alpha
Helix 92	92	D	53	57	Right-handed alpha
Helix 93	93	D	65	69	Right-handed 310
Helix 94	94	D	73	85	Right-handed alpha
Helix 95	95	D	108	113	Right-handed 310
Helix 96	96	D	114	126	Right-handed alpha
Helix 97	97	D	134	158	Right-handed alpha
Helix 98	98	D	170	173	Right-handed 310
Helix 99	99	D	174	182	Right-handed alpha
Helix 100	100	D	195	205	Right-handed alpha
Helix 101	101	D	217	225	Right-handed alpha
Helix 102	102	D	227	241	Right-handed alpha
Helix 103	103	D	248	260	Right-handed alpha
Helix 104	104	D	280	301	Right-handed alpha
Helix 105	105	D	308	310	Right-handed 310
Helix 106	106	D	327	345	Right-handed alpha
Helix 107	107	D	365	400	Right-handed alpha
Helix 108	108	D	412	416	Right-handed 310
Helix 109	109	D	418	433	Right-handed alpha
Helix 110	110	D	453	462	Right-handed alpha
Helix 111	111	D	491	499	Right-handed alpha
Helix 112	112	D	512	521	Right-handed alpha
Helix 113	113	D	531	541	Right-handed alpha
Helix 114	114	D	542	549	Right-handed alpha
Helix 115	115	D	560	578	Right-handed alpha
Helix 116	116	D	579	594	Right-handed alpha
Helix 117	117	D	595	597	Right-handed 310
Helix 118	118	D	598	603	Right-handed alpha
Helix 119	119	D	603	618	Right-handed alpha
Helix 120	120	D	618	627	Right-handed alpha

There are 12 sheets in PDB entry 4KQ1. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

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	A	58	60	first strand
Strand 2	A	90	95	anti-parallel
Strand 3	A	102	106	anti-parallel
Strand 4	A	43	48	parallel
Strand 5	A	4	13	parallel
Strand 6	A	161	168	parallel
Strand 7	A	187	192	parallel
Strand 8	A	243	246	parallel
Strand 9	A	265	266	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	472	477	first strand
Strand 2	A	350	356	parallel
Strand 3	A	312	318	parallel
Strand 4	A	501	504	parallel
Strand 5	A	525	528	parallel
Strand 6	A	551	554	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	A	361	364	first strand
Strand 2	A	445	447	anti-parallel

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There are 9 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	58	60	first strand
Strand 2	B	90	95	anti-parallel
Strand 3	B	102	106	anti-parallel
Strand 4	B	43	47	parallel
Strand 5	B	4	13	parallel
Strand 6	B	161	168	parallel
Strand 7	B	187	192	parallel
Strand 8	B	243	246	parallel
Strand 9	B	265	266	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	472	476	first strand
Strand 2	B	350	356	parallel
Strand 3	B	312	318	parallel
Strand 4	B	501	503	parallel
Strand 5	B	525	528	parallel
Strand 6	B	551	554	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	B	361	364	first strand
Strand 2	B	445	447	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	58	60	first strand
Strand 2	C	90	95	anti-parallel
Strand 3	C	102	106	anti-parallel
Strand 4	C	43	48	parallel
Strand 5	C	4	13	parallel
Strand 6	C	161	168	parallel
Strand 7	C	187	191	parallel
Strand 8	C	243	245	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	C	472	477	first strand
Strand 2	C	350	356	parallel
Strand 3	C	312	318	parallel
Strand 4	C	501	503	parallel
Strand 5	C	525	528	parallel
Strand 6	C	551	554	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	C	361	364	first strand
Strand 2	C	445	447	anti-parallel

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There are 9 strands in J sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	58	60	first strand
Strand 2	D	90	95	anti-parallel
Strand 3	D	102	106	anti-parallel
Strand 4	D	43	48	parallel
Strand 5	D	4	13	parallel
Strand 6	D	161	168	parallel
Strand 7	D	187	192	parallel
Strand 8	D	243	246	parallel
Strand 9	D	265	266	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	D	472	476	first strand
Strand 2	D	350	356	parallel
Strand 3	D	312	318	parallel
Strand 4	D	501	503	parallel
Strand 5	D	525	528	parallel
Strand 6	D	551	554	parallel

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There are 2 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	361	364	first strand
Strand 2	D	445	447	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: 4KQ1

Analysis of interatomic Contacts of Structural Units in PDB entry:
4KQ1