Analysis of interatomic Contacts of Structural Units in PDB entry:
21BP

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 21BP entry

There are 9 chains in PDB entry 21BP (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
D	GLN 1	ASP 226
C	ASP 1	GLU 500
E	GLN 1	SER 211
F	GLN 1	ASP 226
B	ASP 1	GLU 500
G	GLN 1	SER 211
A	ASP 1	GLU 500
H	GLN 1	ASP 226
L	GLN 1	SER 211

There are 44 helices in PDB entry 21BP. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	D	88	92	Right-handed 310
Helix 2	AA2	D	196	198	Right-handed 310
Helix 3	AA3	C	56	63	Right-handed alpha
Helix 4	AA4	C	67	72	Right-handed 310
Helix 5	AA5	C	97	106	Right-handed alpha
Helix 6	AA6	C	183	191	Right-handed alpha
Helix 7	AA7	C	369	388	Right-handed alpha
Helix 8	AA8	C	403	456	Right-handed alpha
Helix 9	AA9	C	474	484	Right-handed alpha
Helix 10	AB1	C	487	499	Right-handed alpha
Helix 11	AB2	E	25	29	Right-handed 310
Helix 12	AB3	E	120	126	Right-handed alpha
Helix 13	AB4	E	180	187	Right-handed alpha
Helix 14	AB5	F	88	92	Right-handed 310
Helix 15	AB6	F	196	198	Right-handed 310
Helix 16	AB7	B	56	63	Right-handed alpha
Helix 17	AB8	B	67	71	Right-handed 310
Helix 18	AB9	B	97	106	Right-handed alpha
Helix 19	AC1	B	118	122	Right-handed 310
Helix 20	AC2	B	183	192	Right-handed alpha
Helix 21	AC3	B	366	388	Right-handed alpha
Helix 22	AC4	B	403	455	Right-handed alpha
Helix 23	AC5	B	474	484	Right-handed alpha
Helix 24	AC6	B	488	490	Right-handed 310
Helix 25	AC7	B	491	499	Right-handed alpha
Helix 26	AC8	G	25	28	Right-handed 310
Helix 27	AC9	G	78	82	Right-handed 310
Helix 28	AD1	G	120	125	Right-handed alpha
Helix 29	AD2	G	180	187	Right-handed alpha
Helix 30	AD3	A	56	63	Right-handed alpha
Helix 31	AD4	A	67	71	Right-handed 310
Helix 32	AD5	A	97	106	Right-handed alpha
Helix 33	AD6	A	118	122	Right-handed 310
Helix 34	AD7	A	183	192	Right-handed alpha
Helix 35	AD8	A	366	388	Right-handed alpha
Helix 36	AD9	A	403	455	Right-handed alpha
Helix 37	AE1	A	474	484	Right-handed alpha
Helix 38	AE2	A	488	490	Right-handed 310
Helix 39	AE3	A	491	499	Right-handed alpha
Helix 40	AE4	H	88	92	Right-handed 310
Helix 41	AE5	H	196	198	Right-handed 310
Helix 42	AE6	L	25	29	Right-handed 310
Helix 43	AE7	L	120	126	Right-handed alpha
Helix 44	AE8	L	180	187	Right-handed alpha

There are 72 sheets in PDB entry 21BP. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1, AB2, AB3, AB4, AB5, AB6, AB7, AB8, AB9, AC1, AC2, AC3, AC4, AC5, AC6, AC7, AC8, AC9, AD1, AD2, AD3, AD4, AD5, AD6, AD7, AD8, AD9, AE1, AE2, AE3, AE4, AE5, AE6, AE7, AE8, AE9, AF1, AF2, AF3, AF4, AF5, AF6, AF7, AF8, AF9, AG1, AG2, AG3, AG4, AG5, AG6, AG7, AG8, AG9, AH1, AH2, AH3, AH4, AH5, AH6, AH7, AH8, AH9,

There are 4 strands in AA1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	3	7	first strand
Strand 2	D	18	25	anti-parallel
Strand 3	D	79	84	anti-parallel
Strand 4	D	69	74	anti-parallel

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There are 6 strands in AA2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	11	12	first strand
Strand 2	D	117	120	parallel
Strand 3	D	93	96	anti-parallel
Strand 4	D	35	40	anti-parallel
Strand 5	D	46	52	anti-parallel
Strand 6	D	59	61	anti-parallel

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There are 2 strands in AA3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	98	103	first strand
Strand 2	D	106	112	anti-parallel

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There are 4 strands in AA4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	131	133	first strand
Strand 2	D	144	154	anti-parallel
Strand 3	D	189	194	anti-parallel
Strand 4	D	173	174	anti-parallel

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There are 4 strands in AA5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	131	133	first strand
Strand 2	D	144	154	anti-parallel
Strand 3	D	185	187	anti-parallel
Strand 4	D	178	179	anti-parallel

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There are 3 strands in AA6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	160	163	first strand
Strand 2	D	203	209	anti-parallel
Strand 3	D	214	220	anti-parallel

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There are 5 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	362	365	first strand
Strand 2	C	351	356	anti-parallel
Strand 3	C	2	7	anti-parallel
Strand 4	C	466	469	anti-parallel
Strand 5	C	459	461	anti-parallel

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There are 2 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	15	16	first strand
Strand 2	C	24	25	anti-parallel

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There are 2 strands in AA9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	29	31	first strand
Strand 2	C	312	314	anti-parallel

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There are 3 strands in AB1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	33	34	first strand
Strand 2	C	291	292	parallel
Strand 3	C	304	305	parallel

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There are 2 strands in AB2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	41	44	first strand
Strand 2	C	271	276	parallel

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There are 3 strands in AB3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	50	51	first strand
Strand 2	C	79	81	parallel
Strand 3	C	264	266	parallel

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There are 5 strands in AB4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	93	95	first strand
Strand 2	C	225	233	parallel
Strand 3	C	172	180	anti-parallel
Strand 4	C	252	259	anti-parallel
Strand 5	C	108	115	anti-parallel

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There are 5 strands in AB5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	93	95	first strand
Strand 2	C	225	233	parallel
Strand 3	C	172	180	anti-parallel
Strand 4	C	247	250	anti-parallel
Strand 5	C	147	149	anti-parallel

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There are 2 strands in AB6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	132	137	first strand
Strand 2	C	140	142	anti-parallel

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There are 4 strands in AB7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	160	162	first strand
Strand 2	C	241	243	anti-parallel
Strand 3	C	198	201	anti-parallel
Strand 4	C	206	209	anti-parallel

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There are 3 strands in AB8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	283	284	first strand
Strand 2	C	278	280	anti-parallel
Strand 3	C	299	300	anti-parallel

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There are 2 strands in AB9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	9	11	first strand
Strand 2	E	101	103	parallel

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There are 3 strands in AC1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	17	23	first strand
Strand 2	E	69	75	anti-parallel
Strand 3	E	61	66	anti-parallel

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There are 3 strands in AC2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	44	47	first strand
Strand 2	E	34	37	anti-parallel
Strand 3	E	84	86	anti-parallel

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There are 2 strands in AC3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	88	89	first strand
Strand 2	E	95	96	anti-parallel

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There are 4 strands in AC4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	113	117	first strand
Strand 2	E	129	138	anti-parallel
Strand 3	E	171	179	anti-parallel
Strand 4	E	158	160	anti-parallel

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There are 4 strands in AC5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	113	117	first strand
Strand 2	E	129	138	anti-parallel
Strand 3	E	171	179	anti-parallel
Strand 4	E	164	165	anti-parallel

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There are 4 strands in AC6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	152	154	first strand
Strand 2	E	143	149	anti-parallel
Strand 3	E	190	196	anti-parallel
Strand 4	E	199	205	anti-parallel

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There are 4 strands in AC7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	3	7	first strand
Strand 2	F	18	25	anti-parallel
Strand 3	F	79	84	anti-parallel
Strand 4	F	69	74	anti-parallel

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There are 6 strands in AC8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	11	12	first strand
Strand 2	F	116	120	parallel
Strand 3	F	93	103	anti-parallel
Strand 4	F	35	40	anti-parallel
Strand 5	F	46	52	anti-parallel
Strand 6	F	59	61	anti-parallel

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There are 4 strands in AC9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	11	12	first strand
Strand 2	F	116	120	parallel
Strand 3	F	93	103	anti-parallel
Strand 4	F	106	112	anti-parallel

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There are 4 strands in AD1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	131	133	first strand
Strand 2	F	144	154	anti-parallel
Strand 3	F	185	194	anti-parallel
Strand 4	F	173	174	anti-parallel

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There are 3 strands in AD2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	160	163	first strand
Strand 2	F	203	209	anti-parallel
Strand 3	F	214	220	anti-parallel

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There are 4 strands in AD3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	361	363	first strand
Strand 2	B	354	356	anti-parallel
Strand 3	B	2	4	anti-parallel
Strand 4	B	466	467	anti-parallel

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There are 2 strands in AD4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	6	7	first strand
Strand 2	B	351	352	anti-parallel

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There are 2 strands in AD5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	14	16	first strand
Strand 2	B	24	26	anti-parallel

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There are 2 strands in AD6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	29	31	first strand
Strand 2	B	312	314	anti-parallel

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There are 3 strands in AD7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	33	34	first strand
Strand 2	B	291	292	parallel
Strand 3	B	304	305	parallel

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There are 3 strands in AD8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	50	51	first strand
Strand 2	B	79	81	parallel
Strand 3	B	264	266	parallel

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There are 5 strands in AD9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	93	95	first strand
Strand 2	B	225	233	parallel
Strand 3	B	172	180	anti-parallel
Strand 4	B	252	259	anti-parallel
Strand 5	B	108	115	anti-parallel

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There are 5 strands in AE1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	93	95	first strand
Strand 2	B	225	233	parallel
Strand 3	B	172	180	anti-parallel
Strand 4	B	247	250	anti-parallel
Strand 5	B	147	149	anti-parallel

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There are 2 strands in AE2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	125	126	first strand
Strand 2	B	151	152	anti-parallel

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There are 2 strands in AE3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	132	137	first strand
Strand 2	B	140	142	anti-parallel

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There are 3 strands in AE4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	160	165	first strand
Strand 2	B	238	243	anti-parallel
Strand 3	B	198	201	anti-parallel

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There are 2 strands in AE5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	278	280	first strand
Strand 2	B	283	285	anti-parallel

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There are 5 strands in AE6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	9	11	first strand
Strand 2	G	100	103	parallel
Strand 3	G	84	86	anti-parallel
Strand 4	G	34	37	anti-parallel
Strand 5	G	44	47	anti-parallel

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There are 3 strands in AE7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	18	23	first strand
Strand 2	G	69	74	anti-parallel
Strand 3	G	61	66	anti-parallel

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There are 2 strands in AE8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	88	89	first strand
Strand 2	G	95	96	anti-parallel

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There are 4 strands in AE9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	113	117	first strand
Strand 2	G	129	138	anti-parallel
Strand 3	G	171	179	anti-parallel
Strand 4	G	158	160	anti-parallel

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There are 4 strands in AF1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	113	117	first strand
Strand 2	G	129	138	anti-parallel
Strand 3	G	171	179	anti-parallel
Strand 4	G	164	165	anti-parallel

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There are 4 strands in AF2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	152	154	first strand
Strand 2	G	143	149	anti-parallel
Strand 3	G	190	196	anti-parallel
Strand 4	G	199	205	anti-parallel

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There are 4 strands in AF3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	361	363	first strand
Strand 2	A	354	356	anti-parallel
Strand 3	A	2	4	anti-parallel
Strand 4	A	466	467	anti-parallel

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There are 2 strands in AF4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	6	7	first strand
Strand 2	A	351	352	anti-parallel

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There are 2 strands in AF5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	14	16	first strand
Strand 2	A	24	26	anti-parallel

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There are 2 strands in AF6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	29	31	first strand
Strand 2	A	312	314	anti-parallel

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There are 3 strands in AF7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	33	34	first strand
Strand 2	A	291	292	parallel
Strand 3	A	304	305	parallel

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There are 3 strands in AF8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	50	51	first strand
Strand 2	A	79	81	parallel
Strand 3	A	264	266	parallel

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There are 5 strands in AF9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	93	95	first strand
Strand 2	A	225	233	parallel
Strand 3	A	172	180	anti-parallel
Strand 4	A	252	259	anti-parallel
Strand 5	A	108	115	anti-parallel

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There are 5 strands in AG1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	93	95	first strand
Strand 2	A	225	233	parallel
Strand 3	A	172	180	anti-parallel
Strand 4	A	247	250	anti-parallel
Strand 5	A	147	149	anti-parallel

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There are 2 strands in AG2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	125	126	first strand
Strand 2	A	151	152	anti-parallel

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There are 2 strands in AG3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	132	137	first strand
Strand 2	A	140	142	anti-parallel

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There are 3 strands in AG4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	160	165	first strand
Strand 2	A	238	243	anti-parallel
Strand 3	A	198	201	anti-parallel

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There are 2 strands in AG5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	278	280	first strand
Strand 2	A	283	285	anti-parallel

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There are 4 strands in AG6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	3	7	first strand
Strand 2	H	18	25	anti-parallel
Strand 3	H	79	84	anti-parallel
Strand 4	H	69	74	anti-parallel

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There are 6 strands in AG7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	11	12	first strand
Strand 2	H	117	120	parallel
Strand 3	H	93	96	anti-parallel
Strand 4	H	35	40	anti-parallel
Strand 5	H	46	52	anti-parallel
Strand 6	H	59	61	anti-parallel

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There are 2 strands in AG8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	98	103	first strand
Strand 2	H	106	112	anti-parallel

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There are 4 strands in AG9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	131	133	first strand
Strand 2	H	144	154	anti-parallel
Strand 3	H	189	194	anti-parallel
Strand 4	H	173	174	anti-parallel

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There are 4 strands in AH1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	131	133	first strand
Strand 2	H	144	154	anti-parallel
Strand 3	H	185	187	anti-parallel
Strand 4	H	178	179	anti-parallel

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There are 3 strands in AH2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	160	163	first strand
Strand 2	H	203	209	anti-parallel
Strand 3	H	214	220	anti-parallel

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There are 2 strands in AH3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	9	11	first strand
Strand 2	L	101	103	parallel

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There are 3 strands in AH4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	17	23	first strand
Strand 2	L	69	75	anti-parallel
Strand 3	L	61	66	anti-parallel

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There are 3 strands in AH5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	44	47	first strand
Strand 2	L	34	37	anti-parallel
Strand 3	L	84	86	anti-parallel

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There are 2 strands in AH6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	88	89	first strand
Strand 2	L	95	96	anti-parallel

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There are 4 strands in AH7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	113	117	first strand
Strand 2	L	129	138	anti-parallel
Strand 3	L	171	179	anti-parallel
Strand 4	L	158	160	anti-parallel

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There are 4 strands in AH8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	113	117	first strand
Strand 2	L	129	138	anti-parallel
Strand 3	L	171	179	anti-parallel
Strand 4	L	164	165	anti-parallel

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There are 4 strands in AH9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	152	154	first strand
Strand 2	L	143	149	anti-parallel
Strand 3	L	190	196	anti-parallel
Strand 4	L	199	205	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: 21BP

Analysis of interatomic Contacts of Structural Units in PDB entry:
21BP