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

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 4QNU entry

There are 8 chains in PDB entry 4QNU (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	MET 1	PRO 323
B	MET 1	PRO 323
C	MET 1	PRO 323
D	MET 1	PRO 323
E	MET 1	PRO 323
F	MET 1	PRO 323
G	MET 1	PRO 323
H	MET 1	PRO 323

There are116 helices in PDB entry 4QNU. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	4	13	Right-handed alpha
Helix 2	2	A	16	21	Right-handed 310
Helix 3	3	A	22	34	Right-handed alpha
Helix 4	4	A	38	49	Right-handed alpha
Helix 5	5	A	72	84	Right-handed alpha
Helix 6	6	A	85	87	Right-handed 310
Helix 7	7	A	107	115	Right-handed alpha
Helix 8	8	A	116	118	Right-handed 310
Helix 9	9	A	134	143	Right-handed alpha
Helix 10	10	A	154	168	Right-handed alpha
Helix 11	11	A	180	184	Right-handed 310
Helix 12	12	A	198	202	Right-handed 310
Helix 13	13	A	204	214	Right-handed alpha
Helix 14	14	A	254	265	Right-handed alpha
Helix 15	15	A	293	297	Right-handed alpha
Helix 16	16	B	4	13	Right-handed alpha
Helix 17	17	B	16	21	Right-handed 310
Helix 18	18	B	22	33	Right-handed alpha
Helix 19	19	B	39	49	Right-handed alpha
Helix 20	20	B	72	85	Right-handed alpha
Helix 21	21	B	107	115	Right-handed alpha
Helix 22	22	B	116	118	Right-handed 310
Helix 23	23	B	134	143	Right-handed alpha
Helix 24	24	B	154	168	Right-handed alpha
Helix 25	25	B	180	184	Right-handed 310
Helix 26	26	B	198	202	Right-handed 310
Helix 27	27	B	204	214	Right-handed alpha
Helix 28	28	B	254	265	Right-handed alpha
Helix 29	29	B	293	297	Right-handed alpha
Helix 30	30	C	4	13	Right-handed alpha
Helix 31	31	C	16	21	Right-handed 310
Helix 32	32	C	22	34	Right-handed alpha
Helix 33	33	C	39	49	Right-handed alpha
Helix 34	34	C	72	84	Right-handed alpha
Helix 35	35	C	85	87	Right-handed 310
Helix 36	36	C	107	115	Right-handed alpha
Helix 37	37	C	116	118	Right-handed 310
Helix 38	38	C	134	143	Right-handed alpha
Helix 39	39	C	154	168	Right-handed alpha
Helix 40	40	C	180	184	Right-handed 310
Helix 41	41	C	198	202	Right-handed 310
Helix 42	42	C	204	214	Right-handed alpha
Helix 43	43	C	254	265	Right-handed alpha
Helix 44	44	C	293	297	Right-handed alpha
Helix 45	45	D	4	13	Right-handed alpha
Helix 46	46	D	16	21	Right-handed 310
Helix 47	47	D	22	34	Right-handed alpha
Helix 48	48	D	38	49	Right-handed alpha
Helix 49	49	D	72	84	Right-handed alpha
Helix 50	50	D	85	87	Right-handed 310
Helix 51	51	D	107	115	Right-handed alpha
Helix 52	52	D	116	118	Right-handed 310
Helix 53	53	D	134	143	Right-handed alpha
Helix 54	54	D	154	168	Right-handed alpha
Helix 55	55	D	180	184	Right-handed 310
Helix 56	56	D	198	202	Right-handed 310
Helix 57	57	D	204	214	Right-handed alpha
Helix 58	58	D	254	265	Right-handed alpha
Helix 59	59	D	293	297	Right-handed alpha
Helix 60	60	E	4	13	Right-handed alpha
Helix 61	61	E	16	21	Right-handed 310
Helix 62	62	E	22	34	Right-handed alpha
Helix 63	63	E	40	49	Right-handed alpha
Helix 64	64	E	72	85	Right-handed alpha
Helix 65	65	E	107	115	Right-handed alpha
Helix 66	66	E	116	118	Right-handed 310
Helix 67	67	E	134	143	Right-handed alpha
Helix 68	68	E	154	168	Right-handed alpha
Helix 69	69	E	180	184	Right-handed 310
Helix 70	70	E	198	202	Right-handed 310
Helix 71	71	E	204	214	Right-handed alpha
Helix 72	72	E	254	265	Right-handed alpha
Helix 73	73	E	293	297	Right-handed alpha
Helix 74	74	F	4	13	Right-handed alpha
Helix 75	75	F	16	21	Right-handed 310
Helix 76	76	F	22	34	Right-handed alpha
Helix 77	77	F	38	49	Right-handed alpha
Helix 78	78	F	72	85	Right-handed alpha
Helix 79	79	F	106	115	Right-handed alpha
Helix 80	80	F	116	118	Right-handed 310
Helix 81	81	F	134	143	Right-handed alpha
Helix 82	82	F	154	168	Right-handed alpha
Helix 83	83	F	180	184	Right-handed 310
Helix 84	84	F	198	202	Right-handed 310
Helix 85	85	F	204	214	Right-handed alpha
Helix 86	86	F	254	265	Right-handed alpha
Helix 87	87	F	293	297	Right-handed alpha
Helix 88	88	G	4	13	Right-handed alpha
Helix 89	89	G	16	21	Right-handed 310
Helix 90	90	G	22	34	Right-handed alpha
Helix 91	91	G	38	49	Right-handed alpha
Helix 92	92	G	72	84	Right-handed alpha
Helix 93	93	G	85	87	Right-handed 310
Helix 94	94	G	107	115	Right-handed alpha
Helix 95	95	G	116	118	Right-handed 310
Helix 96	96	G	134	143	Right-handed alpha
Helix 97	97	G	154	168	Right-handed alpha
Helix 98	98	G	180	184	Right-handed 310
Helix 99	99	G	198	202	Right-handed 310
Helix 100	100	G	204	214	Right-handed alpha
Helix 101	101	G	254	265	Right-handed alpha
Helix 102	102	G	293	297	Right-handed alpha
Helix 103	103	H	4	13	Right-handed alpha
Helix 104	104	H	16	21	Right-handed 310
Helix 105	105	H	22	34	Right-handed alpha
Helix 106	106	H	39	49	Right-handed alpha
Helix 107	107	H	72	85	Right-handed alpha
Helix 108	108	H	107	115	Right-handed alpha
Helix 109	109	H	116	118	Right-handed 310
Helix 110	110	H	134	143	Right-handed alpha
Helix 111	111	H	154	168	Right-handed alpha
Helix 112	112	H	180	184	Right-handed 310
Helix 113	113	H	198	202	Right-handed 310
Helix 114	114	H	204	214	Right-handed alpha
Helix 115	115	H	254	265	Right-handed alpha
Helix 116	116	H	293	297	Right-handed alpha

There are 39 sheets in PDB entry 4QNU. 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, Z, AA, AB, AC, AD, AE, AF, AG, AH, AI, AJ, AK, AL, AM,

There are 4 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	56	58	first strand
Strand 2	A	64	66	anti-parallel
Strand 3	A	94	96	parallel
Strand 4	A	99	101	anti-parallel

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There are 2 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	91	92	first strand
Strand 2	A	105	106	parallel

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There are 7 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	174	177	first strand
Strand 2	A	147	151	parallel
Strand 3	A	125	129	parallel
Strand 4	A	190	196	parallel
Strand 5	A	216	227	parallel
Strand 6	A	314	321	anti-parallel
Strand 7	A	268	277	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	236	237	first strand
Strand 2	A	252	253	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	298	299	first strand
Strand 2	A	302	306	anti-parallel

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There are 4 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	56	58	first strand
Strand 2	B	64	66	anti-parallel
Strand 3	B	94	96	parallel
Strand 4	B	99	101	anti-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	91	92	first strand
Strand 2	B	105	106	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	B	174	177	first strand
Strand 2	B	147	151	parallel
Strand 3	B	125	129	parallel
Strand 4	B	190	196	parallel
Strand 5	B	216	227	parallel
Strand 6	B	314	321	anti-parallel
Strand 7	B	268	277	anti-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	B	236	237	first strand
Strand 2	B	252	253	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	B	298	299	first strand
Strand 2	B	302	306	anti-parallel

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There are 4 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	56	58	first strand
Strand 2	C	64	66	anti-parallel
Strand 3	C	94	96	parallel
Strand 4	C	99	101	anti-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	C	91	92	first strand
Strand 2	C	105	106	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	174	177	first strand
Strand 2	C	147	151	parallel
Strand 3	C	125	129	parallel
Strand 4	C	190	196	parallel
Strand 5	C	216	227	parallel
Strand 6	C	314	321	anti-parallel
Strand 7	C	268	277	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	236	237	first strand
Strand 2	C	252	253	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	C	298	299	first strand
Strand 2	C	302	306	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	56	58	first strand
Strand 2	D	64	66	anti-parallel
Strand 3	D	94	96	parallel
Strand 4	D	99	101	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	91	92	first strand
Strand 2	D	105	106	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	174	177	first strand
Strand 2	D	147	151	parallel
Strand 3	D	125	129	parallel
Strand 4	D	190	196	parallel
Strand 5	D	216	227	parallel
Strand 6	D	314	321	anti-parallel
Strand 7	D	268	277	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	236	237	first strand
Strand 2	D	252	253	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	D	298	299	first strand
Strand 2	D	302	306	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	56	58	first strand
Strand 2	E	64	66	anti-parallel
Strand 3	E	94	96	parallel
Strand 4	E	99	101	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	91	92	first strand
Strand 2	E	105	106	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	174	177	first strand
Strand 2	E	147	151	parallel
Strand 3	E	125	129	parallel
Strand 4	E	190	196	parallel
Strand 5	E	216	227	parallel
Strand 6	E	314	321	anti-parallel
Strand 7	E	268	277	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	E	236	237	first strand
Strand 2	E	252	253	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	E	298	299	first strand
Strand 2	E	302	306	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	56	58	first strand
Strand 2	F	64	66	anti-parallel
Strand 3	F	94	96	parallel
Strand 4	F	99	101	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	174	177	first strand
Strand 2	F	147	151	parallel
Strand 3	F	125	129	parallel
Strand 4	F	190	196	parallel
Strand 5	F	216	227	parallel
Strand 6	F	314	321	anti-parallel
Strand 7	F	268	277	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	236	237	first strand
Strand 2	F	252	253	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	298	299	first strand
Strand 2	F	302	306	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	56	58	first strand
Strand 2	G	64	66	anti-parallel
Strand 3	G	94	96	parallel
Strand 4	G	99	101	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	G	91	92	first strand
Strand 2	G	105	106	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	174	177	first strand
Strand 2	G	147	151	parallel
Strand 3	G	125	129	parallel
Strand 4	G	190	196	parallel
Strand 5	G	216	227	parallel
Strand 6	G	314	321	anti-parallel
Strand 7	G	268	277	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	236	237	first strand
Strand 2	G	252	253	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	298	299	first strand
Strand 2	G	302	306	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	56	58	first strand
Strand 2	H	64	66	anti-parallel
Strand 3	H	94	96	parallel
Strand 4	H	99	101	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	91	92	first strand
Strand 2	H	105	106	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	174	177	first strand
Strand 2	H	147	151	parallel
Strand 3	H	125	129	parallel
Strand 4	H	190	196	parallel
Strand 5	H	216	227	parallel
Strand 6	H	314	321	anti-parallel
Strand 7	H	268	277	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	236	237	first strand
Strand 2	H	252	253	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	298	299	first strand
Strand 2	H	302	306	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: 4QNU

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