Analysis of interatomic Contacts of Structural Units in PDB entry:
2X7L

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 2X7L entry

There are 7 chains in PDB entry 2X7L (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLN 1	ASP 221
B	GLU 1	CYS 217
C	GLN 1	ASP 221
D	GLU 1	CYS 217
E	GLN 1	ASP 221
F	GLU 1	CYS 217
G	GLN 1	PHE 27

There are 42 helices in PDB entry 2X7L. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	85	89	Right-handed 310
Helix 2	2	A	189	193	Right-handed 310
Helix 3	3	A	205	208	Right-handed 310
Helix 4	4	B	124	129	Right-handed alpha
Helix 5	5	B	186	191	Right-handed alpha
Helix 6	6	C	85	89	Right-handed 310
Helix 7	7	C	189	193	Right-handed 310
Helix 8	8	C	205	208	Right-handed 310
Helix 9	9	D	124	129	Right-handed alpha
Helix 10	10	D	186	191	Right-handed alpha
Helix 11	11	E	85	89	Right-handed 310
Helix 12	12	E	189	193	Right-handed 310
Helix 13	13	E	205	208	Right-handed 310
Helix 14	14	F	124	129	Right-handed alpha
Helix 15	15	F	186	191	Right-handed alpha
Helix 16	16	G	85	89	Right-handed 310
Helix 17	17	G	189	193	Right-handed 310
Helix 18	18	G	205	208	Right-handed 310
Helix 19	19	H	85	89	Right-handed 310
Helix 20	20	H	189	193	Right-handed 310
Helix 21	21	H	205	208	Right-handed 310
Helix 22	22	I	124	129	Right-handed alpha
Helix 23	23	I	186	191	Right-handed alpha
Helix 24	24	J	85	89	Right-handed 310
Helix 25	25	J	189	193	Right-handed 310
Helix 26	26	J	205	208	Right-handed 310
Helix 27	27	K	124	129	Right-handed alpha
Helix 28	28	K	186	191	Right-handed alpha
Helix 29	29	L	124	129	Right-handed alpha
Helix 30	30	L	186	191	Right-handed alpha
Helix 31	31	M	9	25	Right-handed alpha
Helix 32	32	M	37	62	Right-handed alpha
Helix 33	33	N	9	25	Right-handed alpha
Helix 34	34	N	37	62	Right-handed alpha
Helix 35	35	O	9	25	Right-handed alpha
Helix 36	36	O	37	62	Right-handed alpha
Helix 37	37	P	9	25	Right-handed alpha
Helix 38	38	P	37	62	Right-handed alpha
Helix 39	39	Q	9	25	Right-handed alpha
Helix 40	40	Q	37	62	Right-handed alpha
Helix 41	41	R	9	25	Right-handed alpha
Helix 42	42	R	37	62	Right-handed alpha

There are 79 sheets in PDB entry 2X7L. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, BA, BB, BC, BD, BE, CA, CB, CC, CD, CE, CF, CG, CH, A, DB, C, DD, DE, DF, EA, EB, EC, ED, EE, EF, EG, EH, FA, FB, FC, FD, FE, GA, GB, GC, GD, GE, GF, GG, GH, HA, HB, HC, HD, HE, HF, HG, HH, IA, IB, IC, ID, IE, JA, JB, JC, JD, JE, JF, JG, JH, KA, KB, KC, KD, KE, KF, LA, LB, LC, LD, LE, LF,

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	6	7	first strand
Strand 2	A	18	22	anti-parallel
Strand 3	A	78	81	anti-parallel
Strand 4	A	68	71	anti-parallel

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There are 4 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	11	12	first strand
Strand 2	A	111	115	parallel
Strand 3	A	90	97	anti-parallel
Strand 4	A	106	107	anti-parallel

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There are 6 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	11	12	first strand
Strand 2	A	111	115	parallel
Strand 3	A	90	97	anti-parallel
Strand 4	A	33	38	anti-parallel
Strand 5	A	46	52	anti-parallel
Strand 6	A	57	60	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	106	107	first strand
Strand 2	A	90	97	anti-parallel

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There are 4 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	126	128	first strand
Strand 2	A	140	149	anti-parallel
Strand 3	A	180	188	anti-parallel
Strand 4	A	167	169	anti-parallel

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There are 2 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	198	201	first strand
Strand 2	A	212	215	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	4	7	first strand
Strand 2	B	19	25	anti-parallel
Strand 3	B	70	75	anti-parallel
Strand 4	B	62	67	anti-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	10	14	first strand
Strand 2	B	106	110	parallel

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There are 5 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	53	54	first strand
Strand 2	B	45	49	anti-parallel
Strand 3	B	33	38	anti-parallel
Strand 4	B	85	91	anti-parallel
Strand 5	B	99	101	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	117	121	first strand
Strand 2	B	132	140	anti-parallel
Strand 3	B	177	185	anti-parallel
Strand 4	B	162	166	anti-parallel

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There are 4 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	156	158	first strand
Strand 2	B	148	153	anti-parallel
Strand 3	B	194	200	anti-parallel
Strand 4	B	209	213	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	6	7	first strand
Strand 2	C	18	22	anti-parallel
Strand 3	C	78	81	anti-parallel
Strand 4	C	68	71	anti-parallel

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There are 4 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	11	12	first strand
Strand 2	C	111	115	parallel
Strand 3	C	90	97	anti-parallel
Strand 4	C	106	107	anti-parallel

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There are 6 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	11	12	first strand
Strand 2	C	111	115	parallel
Strand 3	C	90	97	anti-parallel
Strand 4	C	33	39	anti-parallel
Strand 5	C	46	52	anti-parallel
Strand 6	C	57	60	anti-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	106	107	first strand
Strand 2	C	90	97	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	126	128	first strand
Strand 2	C	140	149	anti-parallel
Strand 3	C	180	188	anti-parallel
Strand 4	C	173	174	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	126	128	first strand
Strand 2	C	140	149	anti-parallel
Strand 3	C	180	188	anti-parallel
Strand 4	C	167	169	anti-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	173	174	first strand
Strand 2	C	180	188	parallel

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There are 2 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	198	199	first strand
Strand 2	C	214	215	anti-parallel

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There are 4 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	4	7	first strand
Strand 2	D	19	25	anti-parallel
Strand 3	D	70	75	anti-parallel
Strand 4	D	62	67	anti-parallel

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There are 4 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	10	14	first strand
Strand 2	D	106	110	parallel
Strand 3	D	84	91	anti-parallel
Strand 4	D	99	101	anti-parallel

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There are 6 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	10	14	first strand
Strand 2	D	106	110	parallel
Strand 3	D	84	91	anti-parallel
Strand 4	D	33	38	anti-parallel
Strand 5	D	45	49	anti-parallel
Strand 6	D	53	54	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	99	101	first strand
Strand 2	D	84	91	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	117	121	first strand
Strand 2	D	132	140	anti-parallel
Strand 3	D	177	185	anti-parallel
Strand 4	D	164	166	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	156	158	first strand
Strand 2	D	148	153	anti-parallel
Strand 3	D	194	200	anti-parallel
Strand 4	D	209	213	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	6	7	first strand
Strand 2	E	18	22	anti-parallel
Strand 3	E	78	81	anti-parallel
Strand 4	E	68	71	anti-parallel

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There are 4 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	11	12	first strand
Strand 2	E	111	115	parallel
Strand 3	E	90	97	anti-parallel
Strand 4	E	106	107	anti-parallel

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There are 6 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	11	12	first strand
Strand 2	E	111	115	parallel
Strand 3	E	90	97	anti-parallel
Strand 4	E	33	38	anti-parallel
Strand 5	E	46	52	anti-parallel
Strand 6	E	57	60	anti-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	106	107	first strand
Strand 2	E	90	97	anti-parallel

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There are 4 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	126	128	first strand
Strand 2	E	140	149	anti-parallel
Strand 3	E	180	188	anti-parallel
Strand 4	E	173	174	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	126	128	first strand
Strand 2	E	140	149	anti-parallel
Strand 3	E	180	188	anti-parallel
Strand 4	E	167	169	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	173	174	first strand
Strand 2	E	180	188	parallel

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There are 2 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	198	201	first strand
Strand 2	E	212	215	anti-parallel

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There are 4 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	4	7	first strand
Strand 2	F	19	25	anti-parallel
Strand 3	F	70	75	anti-parallel
Strand 4	F	62	67	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	10	14	first strand
Strand 2	F	106	110	parallel

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There are 5 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	53	54	first strand
Strand 2	F	45	49	anti-parallel
Strand 3	F	33	38	anti-parallel
Strand 4	F	85	91	anti-parallel
Strand 5	F	99	101	anti-parallel

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There are 4 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	117	121	first strand
Strand 2	F	132	140	anti-parallel
Strand 3	F	177	185	anti-parallel
Strand 4	F	164	166	anti-parallel

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There are 4 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	156	158	first strand
Strand 2	F	148	153	anti-parallel
Strand 3	F	194	200	anti-parallel
Strand 4	F	209	213	anti-parallel

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There are 4 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	6	7	first strand
Strand 2	G	18	22	anti-parallel
Strand 3	G	78	81	anti-parallel
Strand 4	G	68	71	anti-parallel

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There are 4 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	11	12	first strand
Strand 2	G	111	115	parallel
Strand 3	G	90	97	anti-parallel
Strand 4	G	106	107	anti-parallel

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There are 6 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	11	12	first strand
Strand 2	G	111	115	parallel
Strand 3	G	90	97	anti-parallel
Strand 4	G	33	39	anti-parallel
Strand 5	G	46	52	anti-parallel
Strand 6	G	57	60	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	106	107	first strand
Strand 2	G	90	97	anti-parallel

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There are 4 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	126	128	first strand
Strand 2	G	140	149	anti-parallel
Strand 3	G	180	188	anti-parallel
Strand 4	G	173	174	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	126	128	first strand
Strand 2	G	140	149	anti-parallel
Strand 3	G	180	188	anti-parallel
Strand 4	G	167	169	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	173	174	first strand
Strand 2	G	180	188	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	198	201	first strand
Strand 2	G	212	215	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	6	7	first strand
Strand 2	H	18	22	anti-parallel
Strand 3	H	78	81	anti-parallel
Strand 4	H	68	71	anti-parallel

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There are 4 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	11	12	first strand
Strand 2	H	111	115	parallel
Strand 3	H	90	97	anti-parallel
Strand 4	H	106	107	anti-parallel

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There are 6 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	11	12	first strand
Strand 2	H	111	115	parallel
Strand 3	H	90	97	anti-parallel
Strand 4	H	33	39	anti-parallel
Strand 5	H	46	52	anti-parallel
Strand 6	H	57	60	anti-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	106	107	first strand
Strand 2	H	90	97	anti-parallel

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There are 4 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	126	128	first strand
Strand 2	H	140	149	anti-parallel
Strand 3	H	180	188	anti-parallel
Strand 4	H	173	174	parallel

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There are 4 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	126	128	first strand
Strand 2	H	140	149	anti-parallel
Strand 3	H	180	188	anti-parallel
Strand 4	H	167	169	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	173	174	first strand
Strand 2	H	180	188	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	198	199	first strand
Strand 2	H	214	215	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	4	7	first strand
Strand 2	I	19	25	anti-parallel
Strand 3	I	70	75	anti-parallel
Strand 4	I	62	67	anti-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	10	14	first strand
Strand 2	I	106	110	parallel

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There are 5 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	53	54	first strand
Strand 2	I	45	49	anti-parallel
Strand 3	I	33	38	anti-parallel
Strand 4	I	85	91	anti-parallel
Strand 5	I	99	101	anti-parallel

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There are 4 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	117	121	first strand
Strand 2	I	132	140	anti-parallel
Strand 3	I	177	185	anti-parallel
Strand 4	I	162	166	anti-parallel

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There are 4 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	156	158	first strand
Strand 2	I	148	153	anti-parallel
Strand 3	I	194	200	anti-parallel
Strand 4	I	209	213	anti-parallel

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There are 4 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	6	7	first strand
Strand 2	J	18	22	anti-parallel
Strand 3	J	78	81	anti-parallel
Strand 4	J	68	71	anti-parallel

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There are 4 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	11	12	first strand
Strand 2	J	111	115	parallel
Strand 3	J	90	97	anti-parallel
Strand 4	J	106	107	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	11	12	first strand
Strand 2	J	111	115	parallel
Strand 3	J	90	97	anti-parallel
Strand 4	J	33	39	anti-parallel
Strand 5	J	46	52	anti-parallel
Strand 6	J	57	60	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	106	107	first strand
Strand 2	J	90	97	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	126	128	first strand
Strand 2	J	140	149	anti-parallel
Strand 3	J	180	188	anti-parallel
Strand 4	J	173	174	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	126	128	first strand
Strand 2	J	140	149	anti-parallel
Strand 3	J	180	188	anti-parallel
Strand 4	J	167	169	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	173	174	first strand
Strand 2	J	180	188	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	198	201	first strand
Strand 2	J	212	215	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	4	7	first strand
Strand 2	K	19	25	anti-parallel
Strand 3	K	70	75	anti-parallel
Strand 4	K	62	67	anti-parallel

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There are 4 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	10	14	first strand
Strand 2	K	106	110	parallel
Strand 3	K	84	91	anti-parallel
Strand 4	K	99	101	anti-parallel

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There are 6 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	10	14	first strand
Strand 2	K	106	110	parallel
Strand 3	K	84	91	anti-parallel
Strand 4	K	33	38	anti-parallel
Strand 5	K	45	49	anti-parallel
Strand 6	K	53	54	anti-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	99	101	first strand
Strand 2	K	84	91	anti-parallel

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There are 4 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	117	121	first strand
Strand 2	K	132	140	anti-parallel
Strand 3	K	177	185	anti-parallel
Strand 4	K	162	166	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	156	158	first strand
Strand 2	K	148	153	anti-parallel
Strand 3	K	194	200	anti-parallel
Strand 4	K	209	213	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	4	7	first strand
Strand 2	L	19	25	anti-parallel
Strand 3	L	70	75	anti-parallel
Strand 4	L	62	67	anti-parallel

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There are 4 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	10	14	first strand
Strand 2	L	106	110	parallel
Strand 3	L	84	91	anti-parallel
Strand 4	L	99	101	anti-parallel

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There are 6 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	10	14	first strand
Strand 2	L	106	110	parallel
Strand 3	L	84	91	anti-parallel
Strand 4	L	33	38	anti-parallel
Strand 5	L	45	49	anti-parallel
Strand 6	L	53	54	anti-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	99	101	first strand
Strand 2	L	84	91	anti-parallel

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There are 4 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	117	121	first strand
Strand 2	L	132	140	anti-parallel
Strand 3	L	177	185	anti-parallel
Strand 4	L	162	166	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	156	158	first strand
Strand 2	L	148	153	anti-parallel
Strand 3	L	194	200	anti-parallel
Strand 4	L	209	213	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: 2X7L

Analysis of interatomic Contacts of Structural Units in PDB entry:
2X7L