Analysis of interatomic Contacts of Structural Units in PDB entry:
4BL5

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 4BL5 entry

There are 5 chains in PDB entry 4BL5 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	SER -1	ARG 320
B	ASN -6	LYS 321
C	GLU -7	LYS 321
D	SER -1	LYS 321
E	GLU -7	GLN 53

There are153 helices in PDB entry 4BL5. 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	30	Right-handed alpha
Helix 2	2	A	42	46	Right-handed 310
Helix 3	3	A	50	61	Right-handed alpha
Helix 4	4	A	75	82	Right-handed alpha
Helix 5	5	A	82	104	Right-handed alpha
Helix 6	6	A	114	118	Right-handed 310
Helix 7	7	A	127	131	Right-handed 310
Helix 8	8	A	140	162	Right-handed alpha
Helix 9	9	A	186	202	Right-handed alpha
Helix 10	10	A	220	234	Right-handed alpha
Helix 11	11	A	245	249	Right-handed 310
Helix 12	12	A	252	263	Right-handed alpha
Helix 13	13	A	286	293	Right-handed alpha
Helix 14	14	A	300	315	Right-handed alpha
Helix 15	15	A	316	319	Right-handed 310
Helix 16	16	B	17	29	Right-handed alpha
Helix 17	17	B	50	61	Right-handed alpha
Helix 18	18	B	75	82	Right-handed alpha
Helix 19	19	B	82	105	Right-handed alpha
Helix 20	20	B	114	118	Right-handed 310
Helix 21	21	B	137	139	Right-handed 310
Helix 22	22	B	140	162	Right-handed alpha
Helix 23	23	B	186	202	Right-handed alpha
Helix 24	24	B	220	234	Right-handed alpha
Helix 25	25	B	252	264	Right-handed alpha
Helix 26	26	B	286	291	Right-handed alpha
Helix 27	27	B	300	314	Right-handed alpha
Helix 28	28	C	17	30	Right-handed alpha
Helix 29	29	C	50	61	Right-handed alpha
Helix 30	30	C	75	82	Right-handed alpha
Helix 31	31	C	82	105	Right-handed alpha
Helix 32	32	C	114	118	Right-handed 310
Helix 33	33	C	129	133	Right-handed 310
Helix 34	34	C	140	162	Right-handed alpha
Helix 35	35	C	186	202	Right-handed alpha
Helix 36	36	C	220	234	Right-handed alpha
Helix 37	37	C	252	263	Right-handed alpha
Helix 38	38	C	286	293	Right-handed alpha
Helix 39	39	C	300	315	Right-handed alpha
Helix 40	40	D	17	29	Right-handed alpha
Helix 41	41	D	50	61	Right-handed alpha
Helix 42	42	D	75	82	Right-handed alpha
Helix 43	43	D	82	104	Right-handed alpha
Helix 44	44	D	137	139	Right-handed 310
Helix 45	45	D	140	162	Right-handed alpha
Helix 46	46	D	186	202	Right-handed alpha
Helix 47	47	D	220	234	Right-handed alpha
Helix 48	48	D	252	264	Right-handed alpha
Helix 49	49	D	286	293	Right-handed alpha
Helix 50	50	D	300	315	Right-handed alpha
Helix 51	51	E	17	29	Right-handed alpha
Helix 52	52	E	50	61	Right-handed alpha
Helix 53	53	E	75	82	Right-handed alpha
Helix 54	54	E	82	105	Right-handed alpha
Helix 55	55	E	114	118	Right-handed 310
Helix 56	56	E	127	131	Right-handed 310
Helix 57	57	E	140	161	Right-handed alpha
Helix 58	58	E	186	202	Right-handed alpha
Helix 59	59	E	220	234	Right-handed alpha
Helix 60	60	E	245	249	Right-handed 310
Helix 61	61	E	252	264	Right-handed alpha
Helix 62	62	E	286	293	Right-handed alpha
Helix 63	63	E	300	315	Right-handed alpha
Helix 64	64	F	17	30	Right-handed alpha
Helix 65	65	F	50	61	Right-handed alpha
Helix 66	66	F	75	82	Right-handed alpha
Helix 67	67	F	82	105	Right-handed alpha
Helix 68	68	F	140	162	Right-handed alpha
Helix 69	69	F	186	202	Right-handed alpha
Helix 70	70	F	220	234	Right-handed alpha
Helix 71	71	F	245	249	Right-handed 310
Helix 72	72	F	252	263	Right-handed alpha
Helix 73	73	F	286	293	Right-handed alpha
Helix 74	74	F	300	315	Right-handed alpha
Helix 75	75	F	316	319	Right-handed 310
Helix 76	76	G	17	29	Right-handed alpha
Helix 77	77	G	50	61	Right-handed alpha
Helix 78	78	G	75	82	Right-handed alpha
Helix 79	79	G	82	104	Right-handed alpha
Helix 80	80	G	114	118	Right-handed 310
Helix 81	81	G	127	133	Right-handed 310
Helix 82	82	G	140	162	Right-handed alpha
Helix 83	83	G	186	202	Right-handed alpha
Helix 84	84	G	220	234	Right-handed alpha
Helix 85	85	G	245	249	Right-handed 310
Helix 86	86	G	252	263	Right-handed alpha
Helix 87	87	G	286	293	Right-handed alpha
Helix 88	88	G	300	315	Right-handed alpha
Helix 89	89	H	17	30	Right-handed alpha
Helix 90	90	H	50	61	Right-handed alpha
Helix 91	91	H	75	82	Right-handed alpha
Helix 92	92	H	82	105	Right-handed alpha
Helix 93	93	H	114	118	Right-handed 310
Helix 94	94	H	127	131	Right-handed 310
Helix 95	95	H	140	161	Right-handed alpha
Helix 96	96	H	186	202	Right-handed alpha
Helix 97	97	H	220	234	Right-handed alpha
Helix 98	98	H	252	263	Right-handed alpha
Helix 99	99	H	286	293	Right-handed alpha
Helix 100	100	H	300	315	Right-handed alpha
Helix 101	101	I	17	29	Right-handed alpha
Helix 102	102	I	50	61	Right-handed alpha
Helix 103	103	I	75	82	Right-handed alpha
Helix 104	104	I	82	105	Right-handed alpha
Helix 105	105	I	114	118	Right-handed 310
Helix 106	106	I	127	131	Right-handed 310
Helix 107	107	I	137	139	Right-handed 310
Helix 108	108	I	140	162	Right-handed alpha
Helix 109	109	I	186	202	Right-handed alpha
Helix 110	110	I	220	234	Right-handed alpha
Helix 111	111	I	252	263	Right-handed alpha
Helix 112	112	I	286	293	Right-handed alpha
Helix 113	113	I	300	315	Right-handed alpha
Helix 114	114	J	17	29	Right-handed alpha
Helix 115	115	J	42	46	Right-handed 310
Helix 116	116	J	50	61	Right-handed alpha
Helix 117	117	J	75	82	Right-handed alpha
Helix 118	118	J	82	105	Right-handed alpha
Helix 119	119	J	114	118	Right-handed 310
Helix 120	120	J	127	131	Right-handed 310
Helix 121	121	J	137	139	Right-handed 310
Helix 122	122	J	140	162	Right-handed alpha
Helix 123	123	J	186	202	Right-handed alpha
Helix 124	124	J	220	234	Right-handed alpha
Helix 125	125	J	245	249	Right-handed 310
Helix 126	126	J	252	263	Right-handed alpha
Helix 127	127	J	286	293	Right-handed alpha
Helix 128	128	J	300	315	Right-handed alpha
Helix 129	129	K	17	30	Right-handed alpha
Helix 130	130	K	50	61	Right-handed alpha
Helix 131	131	K	75	82	Right-handed alpha
Helix 132	132	K	82	105	Right-handed alpha
Helix 133	133	K	114	118	Right-handed 310
Helix 134	134	K	127	131	Right-handed 310
Helix 135	135	K	140	162	Right-handed alpha
Helix 136	136	K	186	202	Right-handed alpha
Helix 137	137	K	220	234	Right-handed alpha
Helix 138	138	K	245	249	Right-handed 310
Helix 139	139	K	252	263	Right-handed alpha
Helix 140	140	K	286	293	Right-handed alpha
Helix 141	141	K	300	315	Right-handed alpha
Helix 142	142	L	17	30	Right-handed alpha
Helix 143	143	L	50	61	Right-handed alpha
Helix 144	144	L	75	82	Right-handed alpha
Helix 145	145	L	82	103	Right-handed alpha
Helix 146	146	L	127	131	Right-handed 310
Helix 147	147	L	140	162	Right-handed alpha
Helix 148	148	L	186	202	Right-handed alpha
Helix 149	149	L	220	234	Right-handed alpha
Helix 150	150	L	245	249	Right-handed 310
Helix 151	151	L	252	263	Right-handed alpha
Helix 152	152	L	286	293	Right-handed alpha
Helix 153	153	L	300	315	Right-handed alpha

There are 48 sheets in PDB entry 4BL5. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, BA, BB, BC, BD, CA, CB, CC, CD, A, DB, C, DD, EA, EB, EC, ED, FA, FB, FC, FD, GA, GB, GC, GD, HA, HB, HC, HD, IA, IB, IC, ID, JA, JB, JC, JD, KA, KB, KC, KD, LA, LB, LC, LD,

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	36	40	first strand
Strand 2	A	8	13	parallel
Strand 3	A	65	68	parallel
Strand 4	A	108	112	parallel
Strand 5	A	165	170	parallel
Strand 6	A	240	242	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	172	174	first strand
Strand 2	A	217	219	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	A	205	208	first strand
Strand 2	A	269	272	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	214	215	first strand
Strand 2	A	250	251	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	36	40	first strand
Strand 2	B	8	13	parallel
Strand 3	B	65	68	parallel
Strand 4	B	108	112	parallel
Strand 5	B	164	170	parallel
Strand 6	B	240	242	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	172	174	first strand
Strand 2	B	217	219	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	205	208	first strand
Strand 2	B	269	272	parallel

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There are 2 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	214	215	first strand
Strand 2	B	250	251	anti-parallel

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There are 6 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	40	first strand
Strand 2	C	8	13	parallel
Strand 3	C	65	68	parallel
Strand 4	C	108	112	parallel
Strand 5	C	164	170	parallel
Strand 6	C	240	242	parallel

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There are 2 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	172	174	first strand
Strand 2	C	217	219	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	205	208	first strand
Strand 2	C	269	272	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	214	215	first strand
Strand 2	C	250	251	anti-parallel

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There are 6 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	40	first strand
Strand 2	D	8	13	parallel
Strand 3	D	65	68	parallel
Strand 4	D	108	112	parallel
Strand 5	D	164	170	parallel
Strand 6	D	240	242	parallel

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There are 2 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	173	174	first strand
Strand 2	D	218	219	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	205	208	first strand
Strand 2	D	269	272	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	214	215	first strand
Strand 2	D	250	251	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	36	40	first strand
Strand 2	E	8	13	parallel
Strand 3	E	65	68	parallel
Strand 4	E	108	112	parallel
Strand 5	E	164	170	parallel
Strand 6	E	240	242	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	172	174	first strand
Strand 2	E	217	219	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	205	208	first strand
Strand 2	E	269	272	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	214	215	first strand
Strand 2	E	250	251	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	37	40	first strand
Strand 2	F	9	13	parallel
Strand 3	F	65	68	parallel
Strand 4	F	108	112	parallel
Strand 5	F	164	170	parallel
Strand 6	F	240	242	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	172	174	first strand
Strand 2	F	217	219	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	205	208	first strand
Strand 2	F	269	272	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	214	215	first strand
Strand 2	F	250	251	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	36	40	first strand
Strand 2	G	8	13	parallel
Strand 3	G	65	68	parallel
Strand 4	G	108	112	parallel
Strand 5	G	164	170	parallel
Strand 6	G	240	242	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	172	174	first strand
Strand 2	G	217	219	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	205	208	first strand
Strand 2	G	269	272	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	214	215	first strand
Strand 2	G	250	251	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	39	40	first strand
Strand 2	H	10	13	parallel
Strand 3	H	65	68	parallel
Strand 4	H	108	112	parallel
Strand 5	H	164	170	parallel
Strand 6	H	240	242	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	172	174	first strand
Strand 2	H	217	219	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	205	208	first strand
Strand 2	H	269	272	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	214	215	first strand
Strand 2	H	250	251	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	36	40	first strand
Strand 2	I	8	13	parallel
Strand 3	I	65	68	parallel
Strand 4	I	108	112	parallel
Strand 5	I	164	170	parallel
Strand 6	I	240	242	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	172	174	first strand
Strand 2	I	217	219	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	205	208	first strand
Strand 2	I	269	272	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	214	215	first strand
Strand 2	I	250	251	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	37	40	first strand
Strand 2	J	9	13	parallel
Strand 3	J	65	68	parallel
Strand 4	J	108	112	parallel
Strand 5	J	164	170	parallel
Strand 6	J	240	242	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	172	174	first strand
Strand 2	J	217	219	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	205	208	first strand
Strand 2	J	269	272	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	214	215	first strand
Strand 2	J	250	251	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	37	41	first strand
Strand 2	K	9	13	parallel
Strand 3	K	65	68	parallel
Strand 4	K	108	112	parallel
Strand 5	K	164	170	parallel
Strand 6	K	240	242	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	172	174	first strand
Strand 2	K	217	219	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	205	208	first strand
Strand 2	K	269	272	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	214	215	first strand
Strand 2	K	250	251	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	36	40	first strand
Strand 2	L	8	13	parallel
Strand 3	L	65	68	parallel
Strand 4	L	108	112	parallel
Strand 5	L	165	170	parallel
Strand 6	L	240	242	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	172	174	first strand
Strand 2	L	217	219	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	205	208	first strand
Strand 2	L	269	272	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	214	215	first strand
Strand 2	L	250	251	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: 4BL5

Analysis of interatomic Contacts of Structural Units in PDB entry:
4BL5