Analysis of interatomic Contacts of Structural Units in PDB entry:
4TW1

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 4TW1 entry

There are 16 chains in PDB entry 4TW1 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLY 16	ASP 305
B	THR 35	GLU 323
C	GLY 16	ASP 305
D	THR 35	GLU 323
E	GLY 16	ASP 305
F	ALA 36	GLU 323
G	GLY 16	ASP 305
H	ALA 36	GLU 323
I	GLY 16	ASP 305
J	ALA 31	GLU 318
K	ASP 17	ASP 305
L	ALA 36	GLU 323
M	GLY 16	ASP 305
N	ALA 36	GLU 323
O	GLY 16	LEU 303
P	ALA 36	GLU 323

There are 47 helices in PDB entry 4TW1. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	208	212	Right-handed 310
Helix 2	AA2	A	215	219	Right-handed 310
Helix 3	AA3	A	220	225	Right-handed alpha
Helix 4	AA4	B	224	229	Right-handed 310
Helix 5	AA5	B	231	235	Right-handed 310
Helix 6	AA6	B	236	241	Right-handed alpha
Helix 7	AA7	C	208	212	Right-handed 310
Helix 8	AA8	C	215	219	Right-handed 310
Helix 9	AA9	C	220	225	Right-handed alpha
Helix 10	AB1	D	39	43	Right-handed 310
Helix 11	AB2	D	224	228	Right-handed 310
Helix 12	AB3	D	236	241	Right-handed alpha
Helix 13	AB4	E	215	219	Right-handed 310
Helix 14	AB5	E	220	225	Right-handed alpha
Helix 15	AB6	F	224	229	Right-handed 310
Helix 16	AB7	F	231	235	Right-handed 310
Helix 17	AB8	F	236	241	Right-handed alpha
Helix 18	AB9	G	215	219	Right-handed 310
Helix 19	AC1	G	220	225	Right-handed alpha
Helix 20	AC2	H	39	43	Right-handed 310
Helix 21	AC3	H	224	229	Right-handed 310
Helix 22	AC4	H	231	235	Right-handed 310
Helix 23	AC5	H	236	241	Right-handed alpha
Helix 24	AC6	I	208	212	Right-handed 310
Helix 25	AC7	I	215	219	Right-handed 310
Helix 26	AC8	I	220	225	Right-handed alpha
Helix 27	AC9	J	34	38	Right-handed 310
Helix 28	AD1	J	219	224	Right-handed 310
Helix 29	AD2	J	226	230	Right-handed 310
Helix 30	AD3	J	231	237	Right-handed alpha
Helix 31	AD4	K	215	219	Right-handed 310
Helix 32	AD5	K	220	225	Right-handed alpha
Helix 33	AD6	L	224	229	Right-handed 310
Helix 34	AD7	L	231	235	Right-handed 310
Helix 35	AD8	L	236	241	Right-handed alpha
Helix 36	AD9	M	208	212	Right-handed 310
Helix 37	AE1	M	215	219	Right-handed 310
Helix 38	AE2	M	220	225	Right-handed alpha
Helix 39	AE3	N	39	43	Right-handed 310
Helix 40	AE4	N	224	229	Right-handed 310
Helix 41	AE5	N	231	235	Right-handed 310
Helix 42	AE6	N	236	241	Right-handed alpha
Helix 43	AE7	O	208	212	Right-handed 310
Helix 44	AE8	O	215	219	Right-handed 310
Helix 45	AE9	O	220	225	Right-handed alpha
Helix 46	AF1	P	224	229	Right-handed 310
Helix 47	AF2	P	236	241	Right-handed alpha

There are ** sheets in PDB entry 4TW1. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, AG, AH, AI, AJ, BA, BB, BC, BD, BE, BF, BG, CA, CB, CC, CD, CE, CF, CG, CH, CI, A, DB, C, DD, DE, EA, EB, EC, ED, EE, EF, EG, EH, EI, FA, FB, FC, FD, FE, FF, FG, FH, FI, FJ, GA, GB, GC, GD, GE, GF, GG, HA, HB, HC, HD, HE, HF, IA, IB, IC, ID, IE, IF, IG, IH, JA, JB, JC, JD, KA, KB, KC, KD, KE, KF, KG, LA, LB, LC, LD, LE, LF, LG, MA, MB, MC, MD, ME, MF, MG, NA, NB, NC, ND, NE, NF, NG, OA, OB, OC, OD, OE, OF, OG, PA, PB, PC, PD, PE, PF, PG,

There are 4 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	19	29	first strand
Strand 2	A	34	44	anti-parallel
Strand 3	A	51	62	anti-parallel
Strand 4	A	226	227	parallel

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There are 5 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	19	29	first strand
Strand 2	A	34	44	anti-parallel
Strand 3	A	51	62	anti-parallel
Strand 4	A	231	237	anti-parallel
Strand 5	A	97	103	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	A	226	227	first strand
Strand 2	A	51	62	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	66	67	first strand
Strand 2	A	75	90	anti-parallel

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There are 5 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	153	157	first strand
Strand 2	A	165	172	anti-parallel
Strand 3	A	75	90	anti-parallel
Strand 4	A	244	265	anti-parallel
Strand 5	A	268	272	parallel

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There are 4 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	153	157	first strand
Strand 2	A	165	172	anti-parallel
Strand 3	A	75	90	anti-parallel
Strand 4	A	66	67	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	268	272	first strand
Strand 2	A	244	265	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	153	157	first strand
Strand 2	A	165	172	anti-parallel
Strand 3	A	75	90	anti-parallel
Strand 4	A	244	265	anti-parallel
Strand 5	A	275	291	anti-parallel
Strand 6	A	297	302	anti-parallel

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There are 17 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	111	123	first strand
Strand 2	H	157	173	anti-parallel
Strand 3	H	138	152	anti-parallel
Strand 4	G	132	137	parallel
Strand 5	G	110	127	anti-parallel
Strand 6	F	159	174	anti-parallel
Strand 7	F	138	149	anti-parallel
Strand 8	E	131	149	anti-parallel
Strand 9	E	111	128	anti-parallel
Strand 10	D	158	173	anti-parallel
Strand 11	D	138	152	anti-parallel
Strand 12	C	135	149	anti-parallel
Strand 13	C	110	125	anti-parallel
Strand 14	B	159	174	anti-parallel
Strand 15	B	136	148	anti-parallel
Strand 16	A	139	151	anti-parallel
Strand 17	A	111	123	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	A	175	177	first strand
Strand 2	A	180	182	anti-parallel

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There are 4 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	45	55	first strand
Strand 2	B	60	70	anti-parallel
Strand 3	B	77	88	anti-parallel
Strand 4	B	242	243	parallel

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There are 5 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	45	55	first strand
Strand 2	B	60	70	anti-parallel
Strand 3	B	77	88	anti-parallel
Strand 4	B	247	253	anti-parallel
Strand 5	B	123	129	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	242	243	first strand
Strand 2	B	77	88	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	92	95	first strand
Strand 2	B	103	118	anti-parallel

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There are 6 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	176	180	first strand
Strand 2	B	188	195	anti-parallel
Strand 3	B	103	118	anti-parallel
Strand 4	B	259	275	anti-parallel
Strand 5	B	285	302	anti-parallel
Strand 6	B	307	316	anti-parallel

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There are 4 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	176	180	first strand
Strand 2	B	188	195	anti-parallel
Strand 3	B	103	118	anti-parallel
Strand 4	B	92	95	anti-parallel

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There are 2 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	197	200	first strand
Strand 2	B	203	206	anti-parallel

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There are 4 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	19	29	first strand
Strand 2	C	34	44	anti-parallel
Strand 3	C	51	62	anti-parallel
Strand 4	C	226	227	parallel

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There are 5 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	19	29	first strand
Strand 2	C	34	44	anti-parallel
Strand 3	C	51	62	anti-parallel
Strand 4	C	231	237	anti-parallel
Strand 5	C	97	103	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	226	227	first strand
Strand 2	C	51	62	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	66	67	first strand
Strand 2	C	75	90	parallel

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There are 5 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	153	157	first strand
Strand 2	C	165	172	anti-parallel
Strand 3	C	75	90	anti-parallel
Strand 4	C	244	263	anti-parallel
Strand 5	C	270	280	anti-parallel

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There are 4 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	153	157	first strand
Strand 2	C	165	172	anti-parallel
Strand 3	C	75	90	anti-parallel
Strand 4	C	66	67	parallel

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There are 2 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	270	280	first strand
Strand 2	C	244	263	anti-parallel

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There are 6 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	153	157	first strand
Strand 2	C	165	172	anti-parallel
Strand 3	C	75	90	anti-parallel
Strand 4	C	244	263	anti-parallel
Strand 5	C	283	291	parallel
Strand 6	C	297	303	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	175	177	first strand
Strand 2	C	180	182	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	48	55	first strand
Strand 2	D	60	69	anti-parallel
Strand 3	D	77	83	anti-parallel
Strand 4	D	247	253	anti-parallel
Strand 5	D	123	129	anti-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	87	88	first strand
Strand 2	D	242	243	anti-parallel

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There are 5 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	92	95	first strand
Strand 2	D	103	106	parallel
Strand 3	D	259	275	parallel
Strand 4	D	285	302	anti-parallel
Strand 5	D	307	316	anti-parallel

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There are 6 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	92	95	first strand
Strand 2	D	103	106	parallel
Strand 3	D	259	275	parallel
Strand 4	D	110	117	anti-parallel
Strand 5	D	188	195	anti-parallel
Strand 6	D	176	180	anti-parallel

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There are 2 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	197	200	first strand
Strand 2	D	203	206	anti-parallel

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There are 4 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	19	29	first strand
Strand 2	E	34	44	anti-parallel
Strand 3	E	51	62	anti-parallel
Strand 4	E	226	227	parallel

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There are 5 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	19	29	first strand
Strand 2	E	34	44	anti-parallel
Strand 3	E	51	62	anti-parallel
Strand 4	E	231	237	anti-parallel
Strand 5	E	97	103	anti-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	226	227	first strand
Strand 2	E	51	62	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	66	67	first strand
Strand 2	E	75	90	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	153	158	first strand
Strand 2	E	165	172	anti-parallel
Strand 3	E	75	90	anti-parallel
Strand 4	E	244	263	anti-parallel
Strand 5	E	270	276	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	153	158	first strand
Strand 2	E	165	172	anti-parallel
Strand 3	E	75	90	anti-parallel
Strand 4	E	66	67	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	270	276	first strand
Strand 2	E	244	263	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	153	158	first strand
Strand 2	E	165	172	anti-parallel
Strand 3	E	75	90	anti-parallel
Strand 4	E	244	263	anti-parallel
Strand 5	E	281	291	anti-parallel
Strand 6	E	296	303	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	175	177	first strand
Strand 2	E	180	182	anti-parallel

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There are 2 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	45	47	first strand
Strand 2	F	60	70	anti-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	50	55	first strand
Strand 2	F	60	70	anti-parallel

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There are 4 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	123	129	first strand
Strand 2	F	247	253	anti-parallel
Strand 3	F	77	88	anti-parallel
Strand 4	F	242	243	anti-parallel

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There are 5 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	123	129	first strand
Strand 2	F	247	253	anti-parallel
Strand 3	F	77	88	anti-parallel
Strand 4	F	60	70	anti-parallel
Strand 5	F	50	55	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	242	243	first strand
Strand 2	F	77	88	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	123	129	first strand
Strand 2	F	247	253	anti-parallel
Strand 3	F	77	88	anti-parallel
Strand 4	F	60	70	anti-parallel
Strand 5	F	45	47	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	92	95	first strand
Strand 2	F	103	118	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	176	180	first strand
Strand 2	F	188	195	anti-parallel
Strand 3	F	103	118	anti-parallel
Strand 4	F	259	275	anti-parallel
Strand 5	F	285	302	anti-parallel
Strand 6	F	307	316	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	176	180	first strand
Strand 2	F	188	195	anti-parallel
Strand 3	F	103	118	anti-parallel
Strand 4	F	92	95	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	197	200	first strand
Strand 2	F	203	206	anti-parallel

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There are 2 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	19	29	first strand
Strand 2	G	34	44	anti-parallel

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There are 6 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	97	103	first strand
Strand 2	G	231	237	anti-parallel
Strand 3	G	51	57	anti-parallel
Strand 4	G	34	44	anti-parallel
Strand 5	G	60	62	parallel
Strand 6	G	226	227	anti-parallel

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There are 5 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	97	103	first strand
Strand 2	G	231	237	anti-parallel
Strand 3	G	51	57	anti-parallel
Strand 4	G	34	44	anti-parallel
Strand 5	G	19	29	anti-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	66	67	first strand
Strand 2	G	75	90	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	153	157	first strand
Strand 2	G	165	172	anti-parallel
Strand 3	G	75	90	anti-parallel
Strand 4	G	244	265	anti-parallel
Strand 5	G	268	291	anti-parallel
Strand 6	G	296	303	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	153	157	first strand
Strand 2	G	165	172	anti-parallel
Strand 3	G	75	90	anti-parallel
Strand 4	G	66	67	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	175	177	first strand
Strand 2	G	180	182	anti-parallel

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There are 4 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	45	55	first strand
Strand 2	H	60	70	anti-parallel
Strand 3	H	77	88	anti-parallel
Strand 4	H	242	243	parallel

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There are 5 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	45	55	first strand
Strand 2	H	60	70	anti-parallel
Strand 3	H	77	88	anti-parallel
Strand 4	H	247	253	anti-parallel
Strand 5	H	123	129	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	242	243	first strand
Strand 2	H	77	88	parallel

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There are 5 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	92	95	first strand
Strand 2	H	103	106	parallel
Strand 3	H	259	275	parallel
Strand 4	H	285	302	anti-parallel
Strand 5	H	307	316	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	92	95	first strand
Strand 2	H	103	106	parallel
Strand 3	H	259	275	parallel
Strand 4	H	108	118	anti-parallel
Strand 5	H	188	195	anti-parallel
Strand 6	H	176	180	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	197	200	first strand
Strand 2	H	203	206	anti-parallel

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There are 4 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	19	29	first strand
Strand 2	I	34	44	anti-parallel
Strand 3	I	51	62	anti-parallel
Strand 4	I	226	227	parallel

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There are 5 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	19	29	first strand
Strand 2	I	34	44	anti-parallel
Strand 3	I	51	62	anti-parallel
Strand 4	I	231	237	anti-parallel
Strand 5	I	97	103	anti-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	226	227	first strand
Strand 2	I	51	62	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	66	67	first strand
Strand 2	I	75	90	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	153	157	first strand
Strand 2	I	165	172	anti-parallel
Strand 3	I	75	90	anti-parallel
Strand 4	I	244	265	anti-parallel
Strand 5	I	268	291	anti-parallel
Strand 6	I	296	303	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	153	157	first strand
Strand 2	I	165	172	anti-parallel
Strand 3	I	75	90	anti-parallel
Strand 4	I	66	67	anti-parallel

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There are 17 strands in IG sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	110	123	first strand
Strand 2	P	157	174	anti-parallel
Strand 3	P	136	151	anti-parallel
Strand 4	O	134	151	anti-parallel
Strand 5	O	111	126	anti-parallel
Strand 6	N	156	173	anti-parallel
Strand 7	N	136	152	anti-parallel
Strand 8	M	133	151	anti-parallel
Strand 9	M	111	127	anti-parallel
Strand 10	L	157	173	anti-parallel
Strand 11	L	136	151	anti-parallel
Strand 12	K	136	151	anti-parallel
Strand 13	K	111	125	anti-parallel
Strand 14	J	154	168	anti-parallel
Strand 15	J	131	147	anti-parallel
Strand 16	I	135	151	anti-parallel
Strand 17	I	110	123	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	175	177	first strand
Strand 2	I	180	182	anti-parallel

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There are 5 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	40	50	first strand
Strand 2	J	55	65	anti-parallel
Strand 3	J	72	81	anti-parallel
Strand 4	J	242	248	anti-parallel
Strand 5	J	118	124	anti-parallel

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There are 5 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	88	90	first strand
Strand 2	J	98	100	parallel
Strand 3	J	254	270	parallel
Strand 4	J	280	297	anti-parallel
Strand 5	J	302	311	anti-parallel

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There are 6 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	88	90	first strand
Strand 2	J	98	100	parallel
Strand 3	J	254	270	parallel
Strand 4	J	103	113	anti-parallel
Strand 5	J	183	190	anti-parallel
Strand 6	J	171	175	anti-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	192	195	first strand
Strand 2	J	198	201	anti-parallel

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There are 4 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	19	29	first strand
Strand 2	K	34	44	anti-parallel
Strand 3	K	51	62	anti-parallel
Strand 4	K	226	227	parallel

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There are 5 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	19	29	first strand
Strand 2	K	34	44	anti-parallel
Strand 3	K	51	62	anti-parallel
Strand 4	K	231	237	anti-parallel
Strand 5	K	97	103	anti-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	226	227	first strand
Strand 2	K	51	62	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	66	67	first strand
Strand 2	K	75	90	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	153	157	first strand
Strand 2	K	165	172	anti-parallel
Strand 3	K	75	90	anti-parallel
Strand 4	K	244	263	anti-parallel
Strand 5	K	270	291	anti-parallel
Strand 6	K	297	303	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	153	157	first strand
Strand 2	K	165	172	anti-parallel
Strand 3	K	75	90	anti-parallel
Strand 4	K	66	67	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	175	177	first strand
Strand 2	K	180	182	anti-parallel

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There are 4 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	45	55	first strand
Strand 2	L	60	70	anti-parallel
Strand 3	L	77	88	anti-parallel
Strand 4	L	242	243	parallel

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There are 5 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	45	55	first strand
Strand 2	L	60	70	anti-parallel
Strand 3	L	77	88	anti-parallel
Strand 4	L	247	253	anti-parallel
Strand 5	L	123	129	anti-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	242	243	first strand
Strand 2	L	77	88	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	92	95	first strand
Strand 2	L	103	118	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	176	180	first strand
Strand 2	L	188	195	anti-parallel
Strand 3	L	103	118	anti-parallel
Strand 4	L	259	275	anti-parallel
Strand 5	L	285	302	anti-parallel
Strand 6	L	307	316	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	176	180	first strand
Strand 2	L	188	195	anti-parallel
Strand 3	L	103	118	anti-parallel
Strand 4	L	92	95	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	197	200	first strand
Strand 2	L	203	206	anti-parallel

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There are 2 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	19	29	first strand
Strand 2	M	34	44	anti-parallel

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There are 6 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	97	103	first strand
Strand 2	M	231	237	anti-parallel
Strand 3	M	51	57	anti-parallel
Strand 4	M	34	44	anti-parallel
Strand 5	M	60	62	parallel
Strand 6	M	226	227	anti-parallel

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There are 5 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	97	103	first strand
Strand 2	M	231	237	anti-parallel
Strand 3	M	51	57	anti-parallel
Strand 4	M	34	44	anti-parallel
Strand 5	M	19	29	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	66	67	first strand
Strand 2	M	75	90	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	153	157	first strand
Strand 2	M	165	172	anti-parallel
Strand 3	M	75	90	anti-parallel
Strand 4	M	244	265	anti-parallel
Strand 5	M	268	291	anti-parallel
Strand 6	M	296	302	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	153	157	first strand
Strand 2	M	165	172	anti-parallel
Strand 3	M	75	90	anti-parallel
Strand 4	M	66	67	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	175	177	first strand
Strand 2	M	180	182	anti-parallel

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There are 4 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	45	55	first strand
Strand 2	N	60	70	anti-parallel
Strand 3	N	77	88	anti-parallel
Strand 4	N	242	243	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	45	55	first strand
Strand 2	N	60	70	anti-parallel
Strand 3	N	77	88	anti-parallel
Strand 4	N	248	253	anti-parallel
Strand 5	N	123	129	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	242	243	first strand
Strand 2	N	77	88	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	92	95	first strand
Strand 2	N	103	118	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	176	180	first strand
Strand 2	N	188	195	anti-parallel
Strand 3	N	103	118	anti-parallel
Strand 4	N	259	275	anti-parallel
Strand 5	N	285	302	anti-parallel
Strand 6	N	307	316	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	176	180	first strand
Strand 2	N	188	195	anti-parallel
Strand 3	N	103	118	anti-parallel
Strand 4	N	92	95	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	197	200	first strand
Strand 2	N	203	206	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	19	29	first strand
Strand 2	O	34	44	anti-parallel
Strand 3	O	51	62	anti-parallel
Strand 4	O	226	227	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	19	29	first strand
Strand 2	O	34	44	anti-parallel
Strand 3	O	51	62	anti-parallel
Strand 4	O	231	237	anti-parallel
Strand 5	O	97	103	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	226	227	first strand
Strand 2	O	51	62	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	66	67	first strand
Strand 2	O	75	90	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	153	157	first strand
Strand 2	O	165	172	anti-parallel
Strand 3	O	75	90	anti-parallel
Strand 4	O	244	265	anti-parallel
Strand 5	O	268	291	anti-parallel
Strand 6	O	296	302	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	153	157	first strand
Strand 2	O	165	172	anti-parallel
Strand 3	O	75	90	anti-parallel
Strand 4	O	66	67	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	175	177	first strand
Strand 2	O	180	182	anti-parallel

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There are 4 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	45	55	first strand
Strand 2	P	60	70	anti-parallel
Strand 3	P	77	88	anti-parallel
Strand 4	P	242	243	parallel

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There are 5 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	45	55	first strand
Strand 2	P	60	70	anti-parallel
Strand 3	P	77	88	anti-parallel
Strand 4	P	247	253	anti-parallel
Strand 5	P	123	129	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	P	242	243	first strand
Strand 2	P	77	88	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	P	92	95	first strand
Strand 2	P	103	117	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	P	176	180	first strand
Strand 2	P	188	195	anti-parallel
Strand 3	P	103	117	anti-parallel
Strand 4	P	259	275	anti-parallel
Strand 5	P	285	302	anti-parallel
Strand 6	P	307	316	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	P	176	180	first strand
Strand 2	P	188	195	anti-parallel
Strand 3	P	103	117	anti-parallel
Strand 4	P	92	95	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	P	197	200	first strand
Strand 2	P	203	206	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: 4TW1

Analysis of interatomic Contacts of Structural Units in PDB entry:
4TW1