Analysis of interatomic Contacts of Structural Units in PDB entry:
4BL9

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 4BL9 entry

There are 2 chains in PDB entry 4BL9 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	THR 3	VAL 742
B	GLU 5	LEU 563

There are116 helices in PDB entry 4BL9. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	17	33	Right-handed alpha
Helix 2	2	A	43	53	Right-handed alpha
Helix 3	3	A	65	75	Right-handed alpha
Helix 4	4	A	83	88	Right-handed alpha
Helix 5	5	A	91	98	Right-handed alpha
Helix 6	6	A	132	142	Right-handed alpha
Helix 7	7	A	154	165	Right-handed alpha
Helix 8	8	A	186	202	Right-handed alpha
Helix 9	9	A	210	220	Right-handed alpha
Helix 10	10	A	229	231	Right-handed 310
Helix 11	11	A	232	239	Right-handed alpha
Helix 12	12	A	273	284	Right-handed alpha
Helix 13	13	A	287	298	Right-handed alpha
Helix 14	14	A	305	313	Right-handed alpha
Helix 15	15	A	315	328	Right-handed alpha
Helix 16	16	A	336	354	Right-handed alpha
Helix 17	17	A	357	369	Right-handed alpha
Helix 18	18	A	371	385	Right-handed alpha
Helix 19	19	A	399	403	Right-handed 310
Helix 20	20	A	420	423	Right-handed 310
Helix 21	21	A	475	492	Right-handed alpha
Helix 22	22	A	544	554	Right-handed alpha
Helix 23	23	A	555	566	Right-handed alpha
Helix 24	24	A	567	570	Right-handed 310
Helix 25	25	A	583	588	Right-handed alpha
Helix 26	26	A	589	603	Right-handed alpha
Helix 27	27	A	640	644	Right-handed alpha
Helix 28	28	A	645	652	Right-handed alpha
Helix 29	29	A	653	657	Right-handed 310
Helix 30	30	A	701	712	Right-handed alpha
Helix 31	31	B	17	33	Right-handed alpha
Helix 32	32	B	43	53	Right-handed alpha
Helix 33	33	B	65	74	Right-handed alpha
Helix 34	34	B	83	90	Right-handed alpha
Helix 35	35	B	91	98	Right-handed alpha
Helix 36	36	B	132	142	Right-handed alpha
Helix 37	37	B	158	165	Right-handed alpha
Helix 38	38	B	186	202	Right-handed alpha
Helix 39	39	B	210	220	Right-handed alpha
Helix 40	40	B	229	231	Right-handed 310
Helix 41	41	B	232	239	Right-handed alpha
Helix 42	42	B	273	284	Right-handed alpha
Helix 43	43	B	287	298	Right-handed alpha
Helix 44	44	B	305	313	Right-handed alpha
Helix 45	45	B	315	328	Right-handed alpha
Helix 46	46	B	336	354	Right-handed alpha
Helix 47	47	B	357	369	Right-handed alpha
Helix 48	48	B	371	385	Right-handed alpha
Helix 49	49	B	399	403	Right-handed 310
Helix 50	50	B	475	492	Right-handed alpha
Helix 51	51	B	544	554	Right-handed alpha
Helix 52	52	B	555	566	Right-handed alpha
Helix 53	53	B	567	570	Right-handed 310
Helix 54	54	B	583	588	Right-handed alpha
Helix 55	55	B	589	603	Right-handed alpha
Helix 56	56	B	640	644	Right-handed alpha
Helix 57	57	B	645	653	Right-handed alpha
Helix 58	58	B	654	657	Right-handed 310
Helix 59	59	B	701	713	Right-handed alpha
Helix 60	60	C	17	33	Right-handed alpha
Helix 61	61	C	43	53	Right-handed alpha
Helix 62	62	C	65	74	Right-handed alpha
Helix 63	63	C	83	88	Right-handed alpha
Helix 64	64	C	91	98	Right-handed alpha
Helix 65	65	C	132	143	Right-handed alpha
Helix 66	66	C	154	157	Right-handed 310
Helix 67	67	C	158	165	Right-handed alpha
Helix 68	68	C	186	202	Right-handed alpha
Helix 69	69	C	210	220	Right-handed alpha
Helix 70	70	C	229	231	Right-handed 310
Helix 71	71	C	232	239	Right-handed alpha
Helix 72	72	C	273	284	Right-handed alpha
Helix 73	73	C	287	298	Right-handed alpha
Helix 74	74	C	305	313	Right-handed alpha
Helix 75	75	C	315	328	Right-handed alpha
Helix 76	76	C	336	353	Right-handed alpha
Helix 77	77	C	357	369	Right-handed alpha
Helix 78	78	C	371	385	Right-handed alpha
Helix 79	79	C	399	403	Right-handed 310
Helix 80	80	C	475	492	Right-handed alpha
Helix 81	81	C	544	554	Right-handed alpha
Helix 82	82	C	555	566	Right-handed alpha
Helix 83	83	C	567	570	Right-handed 310
Helix 84	84	C	583	588	Right-handed alpha
Helix 85	85	C	589	603	Right-handed alpha
Helix 86	86	C	639	644	Right-handed alpha
Helix 87	87	C	645	653	Right-handed alpha
Helix 88	88	C	654	657	Right-handed 310
Helix 89	89	C	701	713	Right-handed alpha
Helix 90	90	D	17	33	Right-handed alpha
Helix 91	91	D	43	52	Right-handed alpha
Helix 92	92	D	65	74	Right-handed alpha
Helix 93	93	D	83	90	Right-handed alpha
Helix 94	94	D	91	98	Right-handed alpha
Helix 95	95	D	132	143	Right-handed alpha
Helix 96	96	D	154	165	Right-handed alpha
Helix 97	97	D	186	202	Right-handed alpha
Helix 98	98	D	210	220	Right-handed alpha
Helix 99	99	D	229	239	Right-handed alpha
Helix 100	100	D	273	284	Right-handed alpha
Helix 101	101	D	287	298	Right-handed alpha
Helix 102	102	D	305	314	Right-handed alpha
Helix 103	103	D	315	328	Right-handed alpha
Helix 104	104	D	336	353	Right-handed alpha
Helix 105	105	D	357	369	Right-handed alpha
Helix 106	106	D	371	385	Right-handed alpha
Helix 107	107	D	399	403	Right-handed 310
Helix 108	108	D	475	492	Right-handed alpha
Helix 109	109	D	544	554	Right-handed alpha
Helix 110	110	D	555	566	Right-handed alpha
Helix 111	111	D	583	588	Right-handed alpha
Helix 112	112	D	588	603	Right-handed alpha
Helix 113	113	D	639	644	Right-handed alpha
Helix 114	114	D	645	653	Right-handed alpha
Helix 115	115	D	654	657	Right-handed 310
Helix 116	116	D	701	711	Right-handed alpha

There are 42 sheets in PDB entry 4BL9. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, AG, AH, AI, BA, BB, BC, BD, BE, BF, BG, BH, BI, BJ, BK, CA, CB, CC, CD, CE, CF, CG, CH, CI, CJ, CK, A, DB, C, DD, DE, DF, G, DH, DI, DJ, DK,

There are 6 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	35	39	first strand
Strand 2	A	7	11	parallel
Strand 3	A	60	64	parallel
Strand 4	A	261	267	anti-parallel
Strand 5	A	107	112	anti-parallel
Strand 6	A	302	303	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	A	99	100	first strand
Strand 2	A	103	104	anti-parallel

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There are 4 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	146	148	first strand
Strand 2	A	223	228	parallel
Strand 3	A	115	119	anti-parallel
Strand 4	A	243	246	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	168	173	first strand
Strand 2	A	176	183	anti-parallel

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There are 6 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	393	395	first strand
Strand 2	A	410	416	anti-parallel
Strand 3	A	427	433	anti-parallel
Strand 4	A	453	465	anti-parallel
Strand 5	A	533	543	parallel
Strand 6	A	528	530	anti-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	A	393	395	first strand
Strand 2	A	410	416	anti-parallel
Strand 3	A	427	433	anti-parallel
Strand 4	A	453	465	anti-parallel
Strand 5	A	533	543	parallel
Strand 6	A	516	521	anti-parallel
Strand 7	A	500	501	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	A	528	530	first strand
Strand 2	A	533	543	anti-parallel

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There are 6 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	608	611	first strand
Strand 2	A	660	664	parallel
Strand 3	A	670	675	anti-parallel
Strand 4	A	695	700	parallel
Strand 5	A	689	692	anti-parallel
Strand 6	A	628	631	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	A	613	614	first strand
Strand 2	A	635	639	anti-parallel
Strand 3	A	733	737	parallel
Strand 4	A	725	728	anti-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	36	39	first strand
Strand 2	B	8	11	parallel
Strand 3	B	60	64	parallel
Strand 4	B	259	267	anti-parallel
Strand 5	B	329	330	parallel

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There are 6 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	36	39	first strand
Strand 2	B	8	11	parallel
Strand 3	B	60	64	parallel
Strand 4	B	259	267	anti-parallel
Strand 5	B	107	112	anti-parallel
Strand 6	B	302	303	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	329	330	first strand
Strand 2	B	259	267	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	146	148	first strand
Strand 2	B	223	228	parallel
Strand 3	B	115	119	anti-parallel
Strand 4	B	243	246	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	168	173	first strand
Strand 2	B	176	183	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	250	251	first strand
Strand 2	B	254	255	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	392	395	first strand
Strand 2	B	410	416	anti-parallel
Strand 3	B	427	433	anti-parallel
Strand 4	B	453	465	anti-parallel
Strand 5	B	533	543	parallel
Strand 6	B	528	530	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	392	395	first strand
Strand 2	B	410	416	anti-parallel
Strand 3	B	427	433	anti-parallel
Strand 4	B	453	465	anti-parallel
Strand 5	B	533	543	parallel
Strand 6	B	516	521	anti-parallel
Strand 7	B	500	501	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	528	530	first strand
Strand 2	B	533	543	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	608	611	first strand
Strand 2	B	660	664	parallel
Strand 3	B	670	675	anti-parallel
Strand 4	B	695	700	parallel
Strand 5	B	689	692	anti-parallel
Strand 6	B	628	630	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	613	615	first strand
Strand 2	B	634	639	anti-parallel
Strand 3	B	732	737	parallel
Strand 4	B	725	728	anti-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	36	39	first strand
Strand 2	C	8	11	parallel
Strand 3	C	60	64	parallel
Strand 4	C	259	267	anti-parallel
Strand 5	C	329	330	parallel

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There are 6 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	36	39	first strand
Strand 2	C	8	11	parallel
Strand 3	C	60	64	parallel
Strand 4	C	259	267	anti-parallel
Strand 5	C	107	112	anti-parallel
Strand 6	C	302	303	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	329	330	first strand
Strand 2	C	259	267	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	99	100	first strand
Strand 2	C	103	104	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	146	148	first strand
Strand 2	C	223	228	parallel
Strand 3	C	115	119	anti-parallel
Strand 4	C	243	246	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	171	173	first strand
Strand 2	C	176	178	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	392	395	first strand
Strand 2	C	410	416	anti-parallel
Strand 3	C	427	433	anti-parallel
Strand 4	C	453	465	anti-parallel
Strand 5	C	533	543	parallel
Strand 6	C	528	530	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	392	395	first strand
Strand 2	C	410	416	anti-parallel
Strand 3	C	427	433	anti-parallel
Strand 4	C	453	465	anti-parallel
Strand 5	C	533	543	parallel
Strand 6	C	516	521	anti-parallel
Strand 7	C	500	501	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	528	530	first strand
Strand 2	C	533	543	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	608	611	first strand
Strand 2	C	660	664	parallel
Strand 3	C	670	675	anti-parallel
Strand 4	C	695	700	parallel
Strand 5	C	689	692	anti-parallel
Strand 6	C	628	631	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	613	615	first strand
Strand 2	C	634	638	anti-parallel
Strand 3	C	732	736	parallel
Strand 4	C	725	728	anti-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	37	39	first strand
Strand 2	D	9	11	parallel
Strand 3	D	60	64	parallel
Strand 4	D	259	267	anti-parallel
Strand 5	D	329	330	parallel

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There are 6 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	37	39	first strand
Strand 2	D	9	11	parallel
Strand 3	D	60	64	parallel
Strand 4	D	259	267	anti-parallel
Strand 5	D	107	112	anti-parallel
Strand 6	D	302	303	anti-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	D	329	330	first strand
Strand 2	D	259	267	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	99	100	first strand
Strand 2	D	103	104	anti-parallel

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There are 4 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	146	148	first strand
Strand 2	D	223	228	parallel
Strand 3	D	115	119	anti-parallel
Strand 4	D	243	246	anti-parallel

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There are 2 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	168	173	first strand
Strand 2	D	176	183	anti-parallel

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There are 6 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	392	395	first strand
Strand 2	D	410	416	anti-parallel
Strand 3	D	427	433	anti-parallel
Strand 4	D	453	465	anti-parallel
Strand 5	D	533	543	parallel
Strand 6	D	528	530	anti-parallel

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There are 7 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	392	395	first strand
Strand 2	D	410	416	anti-parallel
Strand 3	D	427	433	anti-parallel
Strand 4	D	453	465	anti-parallel
Strand 5	D	533	543	parallel
Strand 6	D	516	521	anti-parallel
Strand 7	D	500	501	anti-parallel

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There are 2 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	528	530	first strand
Strand 2	D	533	543	anti-parallel

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There are 6 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	608	611	first strand
Strand 2	D	660	664	parallel
Strand 3	D	670	675	anti-parallel
Strand 4	D	695	700	parallel
Strand 5	D	689	692	anti-parallel
Strand 6	D	628	631	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	613	615	first strand
Strand 2	D	634	638	anti-parallel
Strand 3	D	732	736	parallel
Strand 4	D	725	728	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: 4BL9

Analysis of interatomic Contacts of Structural Units in PDB entry:
4BL9