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

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 4CSU entry

There are 33 chains in PDB entry 4CSU (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
0	SER 1	TYR 77
1	MET 1	ALA 63
2	ALA 1	GLU 58
3	ALA 1	LYS 56
4	GLY 3	ILE 53
5	MET 1	ASN 234
6	MET 1	LYS 46
7	PRO 1	ALA 64
8	MET 1	GLY 38
9	VAL 4	VAL 337
A	G 2	C 118
B	G 1	U 2903
C	ALA 1	LYS 272
D	MET 1	ALA 209
E	MET 1	ALA 201
F	ALA 1	LYS 178
G	SER 1	LYS 176
H	MET 1	GLU 149
I	PRO 73	ASP 141
J	MET 1	ILE 142
K	MET 1	VAL 122
L	ARG 2	GLU 144
M	MET 1	MET 136
N	MET 1	LYS 121
O	ASP 2	PHE 117
P	SER 1	ASN 114
Q	ALA 1	ALA 117
R	MET 1	ALA 103
S	MET 1	ARG 110
T	MET 1	ASP 94
U	ALA 2	LYS 103
W	MET 1	ALA 94
Y	GLY 6	GLU 84

There are 91 helices in PDB entry 4CSU. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	0	51	62	Right-handed alpha
Helix 2	2	0	62	70	Right-handed alpha
Helix 3	3	1	1	7	Right-handed alpha
Helix 4	4	1	9	22	Right-handed alpha
Helix 5	5	1	25	33	Right-handed alpha
Helix 6	6	1	39	57	Right-handed alpha
Helix 7	7	2	16	26	Right-handed alpha
Helix 8	8	2	42	51	Right-handed alpha
Helix 9	9	2	52	54	Right-handed 310
Helix 10	10	3	8	14	Right-handed alpha
Helix 11	11	5	5	13	Right-handed alpha
Helix 12	12	5	22	34	Right-handed alpha
Helix 13	13	5	83	91	Right-handed alpha
Helix 14	14	5	97	105	Right-handed alpha
Helix 15	15	5	119	124	Right-handed alpha
Helix 16	16	5	149	159	Right-handed alpha
Helix 17	17	5	181	199	Right-handed alpha
Helix 18	18	6	8	14	Right-handed alpha
Helix 19	19	6	18	23	Right-handed alpha
Helix 20	20	6	25	37	Right-handed alpha
Helix 21	21	7	8	12	Right-handed 310
Helix 22	22	7	36	41	Right-handed alpha
Helix 23	23	7	53	57	Right-handed 310
Helix 24	24	7	57	61	Right-handed 310
Helix 25	25	9	126	131	Right-handed alpha
Helix 26	26	9	171	179	Right-handed alpha
Helix 27	27	9	220	224	Right-handed 310
Helix 28	28	9	228	237	Right-handed alpha
Helix 29	29	9	254	270	Right-handed alpha
Helix 30	30	9	270	276	Right-handed alpha
Helix 31	31	9	291	304	Right-handed alpha
Helix 32	32	9	320	335	Right-handed alpha
Helix 33	33	C	29	31	Right-handed 310
Helix 34	34	C	207	212	Right-handed alpha
Helix 35	35	C	220	224	Right-handed 310
Helix 36	36	C	261	265	Right-handed alpha
Helix 37	37	D	61	70	Right-handed alpha
Helix 38	38	E	24	38	Right-handed alpha
Helix 39	39	E	97	108	Right-handed alpha
Helix 40	40	E	108	113	Right-handed alpha
Helix 41	41	E	132	141	Right-handed alpha
Helix 42	42	E	154	161	Right-handed alpha
Helix 43	43	E	176	182	Right-handed alpha
Helix 44	44	E	189	200	Right-handed alpha
Helix 45	45	F	47	60	Right-handed alpha
Helix 46	46	F	91	96	Right-handed alpha
Helix 47	47	F	163	173	Right-handed alpha
Helix 48	48	G	61	78	Right-handed alpha
Helix 49	49	G	136	149	Right-handed alpha
Helix 50	50	H	42	58	Right-handed alpha
Helix 51	51	H	59	61	Right-handed 310
Helix 52	52	H	62	74	Right-handed alpha
Helix 53	53	H	95	100	Right-handed alpha
Helix 54	54	I	74	84	Right-handed alpha
Helix 55	55	I	101	114	Right-handed alpha
Helix 56	56	I	120	135	Right-handed alpha
Helix 57	57	J	28	37	Right-handed alpha
Helix 58	58	J	89	96	Right-handed alpha
Helix 59	59	J	98	107	Right-handed alpha
Helix 60	60	J	116	121	Right-handed alpha
Helix 61	61	K	115	119	Right-handed 310
Helix 62	62	L	56	61	Right-handed 310
Helix 63	63	L	81	85	Right-handed 310
Helix 64	64	L	91	97	Right-handed alpha
Helix 65	65	L	130	134	Right-handed 310
Helix 66	66	M	42	58	Right-handed alpha
Helix 67	67	M	109	124	Right-handed alpha
Helix 68	68	N	13	31	Right-handed alpha
Helix 69	69	N	38	56	Right-handed alpha
Helix 70	70	N	60	65	Right-handed alpha
Helix 71	71	N	66	68	Right-handed 310
Helix 72	72	O	2	22	Right-handed alpha
Helix 73	73	O	74	83	Right-handed alpha
Helix 74	74	O	110	114	Right-handed 310
Helix 75	75	P	2	10	Right-handed alpha
Helix 76	76	P	32	36	Right-handed 310
Helix 77	77	P	77	81	Right-handed 310
Helix 78	78	Q	8	19	Right-handed alpha
Helix 79	79	Q	31	34	Right-handed 310
Helix 80	80	Q	35	51	Right-handed alpha
Helix 81	81	Q	51	71	Right-handed alpha
Helix 82	82	Q	74	83	Right-handed alpha
Helix 83	83	Q	101	114	Right-handed alpha
Helix 84	84	S	13	22	Right-handed alpha
Helix 85	85	S	31	37	Right-handed alpha
Helix 86	86	S	43	60	Right-handed alpha
Helix 87	87	T	22	27	Right-handed alpha
Helix 88	88	T	40	50	Right-handed alpha
Helix 89	89	W	12	24	Right-handed alpha
Helix 90	90	W	44	52	Right-handed alpha
Helix 91	91	W	53	57	Right-handed 310

There are 58 sheets in PDB entry 4CSU. Click on sheet of interest to get list of strands forming it: 0A, 0B, 2A, 3A, 4A, 4B, 5A, 5B, 5C, 7A, 8A, 9A, 9B, 9C, 9D, 9E, CA, CB, CC, CD, A, DB, EA, FA, GA, GB, GC, HA, HB, HC, IA, JA, JB, JC, JD, KA, KB, LA, LB, MA, MB, MC, NA, OA, PA, PB, RA, RB, RC, SA, SB, TA, TB, UA, UB, UC, UD, WA,

There are 2 strands in 0A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	0	33	35	first strand
Strand 2	0	48	50	anti-parallel

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There are 2 strands in 0B sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	0	38	39	first strand
Strand 2	0	44	45	anti-parallel

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There are 3 strands in 2A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	2	34	38	first strand
Strand 2	2	3	7	anti-parallel
Strand 3	2	55	56	anti-parallel

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There are 2 strands in 3A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	3	28	29	first strand
Strand 2	3	36	37	anti-parallel

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There are 2 strands in 4A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	4	6	11	first strand
Strand 2	4	19	24	anti-parallel

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There are 2 strands in 4B sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	4	35	39	first strand
Strand 2	4	44	48	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	5	20	21	first strand
Strand 2	5	221	224	parallel
Strand 3	5	209	216	anti-parallel
Strand 4	5	41	48	anti-parallel
Strand 5	5	170	177	anti-parallel

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There are 2 strands in 5B sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	5	61	64	first strand
Strand 2	5	160	163	anti-parallel

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There are 3 strands in 5C sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	5	94	95	first strand
Strand 2	5	75	77	parallel
Strand 3	5	113	115	parallel

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There are 2 strands in 7A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	7	22	24	first strand
Strand 2	7	46	48	anti-parallel

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There are 2 strands in 8A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	8	17	19	first strand
Strand 2	8	22	24	anti-parallel

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There are 4 strands in 9A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	9	7	11	first strand
Strand 2	9	150	155	anti-parallel
Strand 3	9	95	98	anti-parallel
Strand 4	9	103	104	anti-parallel

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There are 3 strands in 9B sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	9	86	88	first strand
Strand 2	9	45	47	parallel
Strand 3	9	115	117	anti-parallel

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There are 2 strands in 9C sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	9	124	125	first strand
Strand 2	9	142	143	anti-parallel

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There are 4 strands in 9D sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	9	162	165	first strand
Strand 2	9	240	246	parallel
Strand 3	9	281	283	parallel
Strand 4	9	311	312	parallel

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There are 2 strands in 9E sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	9	197	202	first strand
Strand 2	9	208	213	anti-parallel

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There are 2 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	2	5	first strand
Strand 2	C	15	18	anti-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	33	34	first strand
Strand 2	C	61	62	anti-parallel

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There are 3 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	75	82	first strand
Strand 2	C	89	95	anti-parallel
Strand 3	C	99	103	anti-parallel

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There are 7 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	128	130	first strand
Strand 2	C	188	191	anti-parallel
Strand 3	C	139	141	anti-parallel
Strand 4	C	161	165	anti-parallel
Strand 5	C	171	174	anti-parallel
Strand 6	C	180	183	anti-parallel
Strand 7	C	266	268	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	176	181	first strand
Strand 2	D	186	190	anti-parallel
Strand 3	D	20	29	anti-parallel
Strand 4	D	4	16	anti-parallel
Strand 5	D	200	203	anti-parallel

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There are 3 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	33	38	first strand
Strand 2	D	47	51	anti-parallel
Strand 3	D	82	83	anti-parallel

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There are 2 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	118	120	first strand
Strand 2	E	186	188	parallel

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There are 5 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	65	68	first strand
Strand 2	F	83	89	anti-parallel
Strand 3	F	34	38	anti-parallel
Strand 4	F	151	154	anti-parallel
Strand 5	F	128	131	anti-parallel

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There are 3 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	15	18	first strand
Strand 2	G	22	26	anti-parallel
Strand 3	G	33	36	anti-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	41	43	first strand
Strand 2	G	50	52	anti-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	88	89	first strand
Strand 2	G	160	161	anti-parallel

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There are 3 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	18	20	first strand
Strand 2	H	2	5	anti-parallel
Strand 3	H	36	38	anti-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	8	9	first strand
Strand 2	H	12	13	anti-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	128	133	first strand
Strand 2	H	139	144	anti-parallel

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There are 2 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	98	100	first strand
Strand 2	I	137	139	parallel

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There are 2 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	16	17	first strand
Strand 2	J	138	139	first strand

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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	23	24	first strand
Strand 2	J	62	63	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	54	55	first strand
Strand 2	J	122	123	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	73	74	first strand
Strand 2	J	87	88	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	5	10	first strand
Strand 2	K	19	23	anti-parallel
Strand 3	K	38	43	anti-parallel
Strand 4	K	57	62	anti-parallel
Strand 5	K	83	87	anti-parallel
Strand 6	K	5	10	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	69	71	first strand
Strand 2	K	75	77	anti-parallel

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There are 3 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	74	78	first strand
Strand 2	L	107	111	parallel
Strand 3	L	126	127	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	121	122	first strand
Strand 2	L	141	142	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	62	65	first strand
Strand 2	M	101	106	anti-parallel
Strand 3	M	31	35	anti-parallel
Strand 4	M	128	131	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	39	41	first strand
Strand 2	M	94	96	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	74	75	first strand
Strand 2	M	88	89	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	33	37	first strand
Strand 2	N	109	114	anti-parallel
Strand 3	N	99	102	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	47	50	first strand
Strand 2	O	38	40	anti-parallel
Strand 3	O	24	27	anti-parallel
Strand 4	O	90	93	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	P	38	40	first strand
Strand 2	P	26	31	anti-parallel
Strand 3	P	82	84	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	P	58	59	first strand
Strand 2	P	72	73	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	R	4	7	first strand
Strand 2	R	10	13	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	R	20	23	first strand
Strand 2	R	92	96	anti-parallel
Strand 3	R	62	68	anti-parallel
Strand 4	R	30	32	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	R	72	75	first strand
Strand 2	R	86	89	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	S	4	11	first strand
Strand 2	S	100	109	anti-parallel
Strand 3	S	69	78	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	S	82	89	first strand
Strand 2	S	92	98	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	T	31	33	first strand
Strand 2	T	80	84	anti-parallel
Strand 3	T	59	63	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	T	67	68	first strand
Strand 2	T	75	76	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	U	9	10	first strand
Strand 2	U	22	23	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	U	32	33	first strand
Strand 2	U	64	65	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	U	41	45	first strand
Strand 2	U	56	60	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	U	82	87	first strand
Strand 2	U	91	95	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	W	3	8	first strand
Strand 2	W	61	65	parallel
Strand 3	W	68	79	anti-parallel
Strand 4	W	86	92	anti-parallel
Strand 5	W	25	32	parallel
Strand 6	W	35	43	anti-parallel
Strand 7	W	3	8	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: 4CSU

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