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

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 2XQR entry

There are 4 chains in PDB entry 2XQR (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ASN 5	SER 541
B	ASN 2	LEU 147
C	ASN 5	SER 541
D	ASN 2	LEU 37

There are 82 helices in PDB entry 2XQR. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	74	78	Right-handed 310
Helix 2	2	A	303	311	Right-handed alpha
Helix 3	3	A	337	342	Right-handed 310
Helix 4	4	A	381	385	Right-handed 310
Helix 5	5	A	394	402	Right-handed alpha
Helix 6	6	A	509	513	Right-handed 310
Helix 7	7	B	2	10	Right-handed alpha
Helix 8	8	B	13	23	Right-handed alpha
Helix 9	9	B	24	28	Right-handed 310
Helix 10	10	B	31	59	Right-handed alpha
Helix 11	11	B	63	83	Right-handed alpha
Helix 12	12	B	83	95	Right-handed alpha
Helix 13	13	B	96	117	Right-handed alpha
Helix 14	14	B	125	145	Right-handed alpha
Helix 15	15	C	74	78	Right-handed 310
Helix 16	16	C	303	311	Right-handed alpha
Helix 17	17	C	337	342	Right-handed 310
Helix 18	18	C	381	385	Right-handed 310
Helix 19	19	C	394	402	Right-handed alpha
Helix 20	20	C	509	513	Right-handed 310
Helix 21	21	D	2	10	Right-handed alpha
Helix 22	22	D	13	23	Right-handed alpha
Helix 23	23	D	24	28	Right-handed 310
Helix 24	24	D	31	59	Right-handed alpha
Helix 25	25	D	63	83	Right-handed alpha
Helix 26	26	D	83	95	Right-handed alpha
Helix 27	27	D	96	117	Right-handed alpha
Helix 28	28	D	125	145	Right-handed alpha
Helix 29	29	E	74	78	Right-handed 310
Helix 30	30	E	303	311	Right-handed alpha
Helix 31	31	E	337	342	Right-handed 310
Helix 32	32	E	394	402	Right-handed alpha
Helix 33	33	E	509	513	Right-handed 310
Helix 34	34	F	2	10	Right-handed alpha
Helix 35	35	F	13	23	Right-handed alpha
Helix 36	36	F	24	28	Right-handed 310
Helix 37	37	F	31	59	Right-handed alpha
Helix 38	38	F	63	83	Right-handed alpha
Helix 39	39	F	83	95	Right-handed alpha
Helix 40	40	F	96	118	Right-handed alpha
Helix 41	41	F	125	145	Right-handed alpha
Helix 42	42	G	74	78	Right-handed 310
Helix 43	43	G	303	311	Right-handed alpha
Helix 44	44	G	337	342	Right-handed 310
Helix 45	45	G	381	385	Right-handed 310
Helix 46	46	G	394	402	Right-handed alpha
Helix 47	47	G	509	511	Right-handed 310
Helix 48	48	H	2	10	Right-handed alpha
Helix 49	49	H	13	23	Right-handed alpha
Helix 50	50	H	24	29	Right-handed 310
Helix 51	51	H	31	59	Right-handed alpha
Helix 52	52	H	63	83	Right-handed alpha
Helix 53	53	H	83	95	Right-handed alpha
Helix 54	54	H	96	117	Right-handed alpha
Helix 55	55	H	125	145	Right-handed alpha
Helix 56	56	I	74	78	Right-handed 310
Helix 57	57	I	303	311	Right-handed alpha
Helix 58	58	I	337	342	Right-handed 310
Helix 59	59	I	381	385	Right-handed 310
Helix 60	60	I	394	402	Right-handed alpha
Helix 61	61	I	509	513	Right-handed 310
Helix 62	62	J	2	10	Right-handed alpha
Helix 63	63	J	13	23	Right-handed alpha
Helix 64	64	J	24	29	Right-handed 310
Helix 65	65	J	31	59	Right-handed alpha
Helix 66	66	J	63	83	Right-handed alpha
Helix 67	67	J	83	95	Right-handed alpha
Helix 68	68	J	96	117	Right-handed alpha
Helix 69	69	J	125	145	Right-handed alpha
Helix 70	70	K	74	78	Right-handed 310
Helix 71	71	K	303	311	Right-handed alpha
Helix 72	72	K	337	342	Right-handed 310
Helix 73	73	K	394	402	Right-handed alpha
Helix 74	74	K	509	511	Right-handed 310
Helix 75	75	L	2	10	Right-handed alpha
Helix 76	76	L	13	23	Right-handed alpha
Helix 77	77	L	24	28	Right-handed 310
Helix 78	78	L	31	59	Right-handed alpha
Helix 79	79	L	63	83	Right-handed alpha
Helix 80	80	L	83	95	Right-handed alpha
Helix 81	81	L	96	117	Right-handed alpha
Helix 82	82	L	125	145	Right-handed alpha

There are 83 sheets in PDB entry 2XQR. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, AG, AH, AI, AJ, AK, AL, AM, AN, CA, CB, CC, CD, CE, CF, CG, CH, CI, CJ, CK, CL, CM, CN, EA, EB, EC, ED, EE, EF, EG, EH, EI, EJ, EK, EL, EM, EN, GA, GB, GC, GD, GE, GF, GG, GH, GI, GJ, GK, GL, GM, IA, IB, IC, ID, IE, IF, IG, IH, II, IJ, IK, IL, IM, IN, KA, KB, KC, KD, KE, KF, KG, KH, KI, KJ, KK, KL, KM, KN,

There are 5 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	64	70	first strand
Strand 2	A	51	57	anti-parallel
Strand 3	A	33	40	anti-parallel
Strand 4	A	19	30	anti-parallel
Strand 5	A	312	313	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	81	88	first strand
Strand 2	A	94	101	anti-parallel
Strand 3	A	107	114	anti-parallel
Strand 4	A	125	127	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	147	148	first strand
Strand 2	A	161	169	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	154	155	first strand
Strand 2	A	161	169	anti-parallel

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There are 2 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	186	188	first strand
Strand 2	A	172	180	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	194	197	first strand
Strand 2	A	172	180	anti-parallel

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There are 4 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	202	211	first strand
Strand 2	A	230	238	anti-parallel
Strand 3	A	243	252	anti-parallel
Strand 4	A	257	260	anti-parallel

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There are 2 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	279	286	first strand
Strand 2	A	291	298	anti-parallel

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There are 2 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	315	316	first strand
Strand 2	A	291	298	parallel

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There are 4 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	331	335	first strand
Strand 2	A	320	324	anti-parallel
Strand 3	A	291	298	anti-parallel
Strand 4	A	315	316	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	331	335	first strand
Strand 2	A	320	324	anti-parallel
Strand 3	A	291	298	anti-parallel
Strand 4	A	279	286	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	348	355	first strand
Strand 2	A	525	534	anti-parallel
Strand 3	A	370	379	anti-parallel
Strand 4	A	477	484	anti-parallel
Strand 5	A	487	492	anti-parallel
Strand 6	A	497	502	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	359	362	first strand
Strand 2	A	514	519	anti-parallel
Strand 3	A	410	419	anti-parallel
Strand 4	A	427	435	anti-parallel
Strand 5	A	443	450	anti-parallel
Strand 6	A	465	469	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	359	362	first strand
Strand 2	A	514	519	anti-parallel
Strand 3	A	410	419	anti-parallel
Strand 4	A	427	435	anti-parallel
Strand 5	A	386	387	anti-parallel

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There are 5 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	64	70	first strand
Strand 2	C	51	57	anti-parallel
Strand 3	C	33	40	anti-parallel
Strand 4	C	19	30	anti-parallel
Strand 5	C	312	313	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	81	88	first strand
Strand 2	C	94	101	anti-parallel
Strand 3	C	107	114	anti-parallel
Strand 4	C	125	127	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	147	148	first strand
Strand 2	C	161	169	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	154	155	first strand
Strand 2	C	161	169	anti-parallel

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There are 2 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	187	188	first strand
Strand 2	C	172	180	anti-parallel

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There are 2 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	194	197	first strand
Strand 2	C	172	180	anti-parallel

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There are 4 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	202	211	first strand
Strand 2	C	230	238	anti-parallel
Strand 3	C	243	252	anti-parallel
Strand 4	C	257	260	anti-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	279	286	first strand
Strand 2	C	291	298	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	315	316	first strand
Strand 2	C	291	298	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	331	335	first strand
Strand 2	C	320	324	anti-parallel
Strand 3	C	291	298	anti-parallel
Strand 4	C	315	316	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	331	335	first strand
Strand 2	C	320	324	anti-parallel
Strand 3	C	291	298	anti-parallel
Strand 4	C	279	286	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	348	355	first strand
Strand 2	C	525	534	anti-parallel
Strand 3	C	370	379	anti-parallel
Strand 4	C	477	484	anti-parallel
Strand 5	C	487	492	anti-parallel
Strand 6	C	497	502	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	359	362	first strand
Strand 2	C	514	519	anti-parallel
Strand 3	C	410	419	anti-parallel
Strand 4	C	427	435	anti-parallel
Strand 5	C	443	450	anti-parallel
Strand 6	C	465	469	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	359	362	first strand
Strand 2	C	514	519	anti-parallel
Strand 3	C	410	419	anti-parallel
Strand 4	C	427	435	anti-parallel
Strand 5	C	386	387	anti-parallel

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There are 5 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	64	70	first strand
Strand 2	E	51	57	anti-parallel
Strand 3	E	33	40	anti-parallel
Strand 4	E	19	30	anti-parallel
Strand 5	E	312	313	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	81	88	first strand
Strand 2	E	94	101	anti-parallel
Strand 3	E	107	114	anti-parallel
Strand 4	E	125	127	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	147	148	first strand
Strand 2	E	161	169	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	154	155	first strand
Strand 2	E	161	169	anti-parallel

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There are 2 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	186	188	first strand
Strand 2	E	172	180	anti-parallel

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There are 2 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	194	197	first strand
Strand 2	E	172	180	anti-parallel

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There are 4 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	202	211	first strand
Strand 2	E	230	238	anti-parallel
Strand 3	E	243	252	anti-parallel
Strand 4	E	257	260	anti-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	279	286	first strand
Strand 2	E	291	298	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	315	316	first strand
Strand 2	E	291	298	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	331	335	first strand
Strand 2	E	320	324	anti-parallel
Strand 3	E	291	298	anti-parallel
Strand 4	E	315	316	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	331	335	first strand
Strand 2	E	320	324	anti-parallel
Strand 3	E	291	298	anti-parallel
Strand 4	E	279	286	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	348	355	first strand
Strand 2	E	525	534	anti-parallel
Strand 3	E	370	379	anti-parallel
Strand 4	E	477	484	anti-parallel
Strand 5	E	487	492	anti-parallel
Strand 6	E	497	502	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	359	362	first strand
Strand 2	E	514	519	anti-parallel
Strand 3	E	410	419	anti-parallel
Strand 4	E	427	435	anti-parallel
Strand 5	E	443	450	anti-parallel
Strand 6	E	465	469	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	359	362	first strand
Strand 2	E	514	519	anti-parallel
Strand 3	E	410	419	anti-parallel
Strand 4	E	427	435	anti-parallel
Strand 5	E	386	387	anti-parallel

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There are 5 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	64	70	first strand
Strand 2	G	51	57	anti-parallel
Strand 3	G	33	40	anti-parallel
Strand 4	G	19	30	anti-parallel
Strand 5	G	312	313	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	81	88	first strand
Strand 2	G	94	101	anti-parallel
Strand 3	G	107	114	anti-parallel
Strand 4	G	125	127	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	147	150	first strand
Strand 2	G	161	169	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	154	155	first strand
Strand 2	G	161	169	parallel

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There are 2 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	187	188	first strand
Strand 2	G	172	180	parallel

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There are 2 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	194	197	first strand
Strand 2	G	172	180	anti-parallel

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There are 4 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	202	211	first strand
Strand 2	G	230	238	anti-parallel
Strand 3	G	243	252	anti-parallel
Strand 4	G	257	260	anti-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	279	286	first strand
Strand 2	G	291	298	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	315	316	first strand
Strand 2	G	291	298	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	331	335	first strand
Strand 2	G	320	324	anti-parallel
Strand 3	G	291	298	anti-parallel
Strand 4	G	315	316	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	331	335	first strand
Strand 2	G	320	324	anti-parallel
Strand 3	G	291	298	anti-parallel
Strand 4	G	279	286	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	348	355	first strand
Strand 2	G	525	534	anti-parallel
Strand 3	G	370	379	anti-parallel
Strand 4	G	477	484	anti-parallel
Strand 5	G	487	492	anti-parallel
Strand 6	G	497	502	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	359	362	first strand
Strand 2	G	513	519	anti-parallel
Strand 3	G	410	420	anti-parallel
Strand 4	G	427	435	anti-parallel
Strand 5	G	443	450	anti-parallel
Strand 6	G	465	469	anti-parallel

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There are 5 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	64	70	first strand
Strand 2	I	51	57	anti-parallel
Strand 3	I	33	40	anti-parallel
Strand 4	I	19	30	anti-parallel
Strand 5	I	312	313	parallel

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There are 4 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	81	88	first strand
Strand 2	I	94	101	anti-parallel
Strand 3	I	107	114	anti-parallel
Strand 4	I	125	127	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	147	150	first strand
Strand 2	I	161	169	anti-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	154	155	first strand
Strand 2	I	161	169	parallel

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There are 2 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	186	188	first strand
Strand 2	I	172	180	parallel

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There are 2 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	194	197	first strand
Strand 2	I	172	180	anti-parallel

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There are 4 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	202	211	first strand
Strand 2	I	230	238	anti-parallel
Strand 3	I	244	252	anti-parallel
Strand 4	I	257	260	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	279	286	first strand
Strand 2	I	291	298	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	315	316	first strand
Strand 2	I	291	298	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	331	335	first strand
Strand 2	I	320	324	anti-parallel
Strand 3	I	291	298	anti-parallel
Strand 4	I	315	316	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	331	335	first strand
Strand 2	I	320	324	anti-parallel
Strand 3	I	291	298	anti-parallel
Strand 4	I	279	286	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	348	355	first strand
Strand 2	I	525	534	anti-parallel
Strand 3	I	370	379	anti-parallel
Strand 4	I	477	484	anti-parallel
Strand 5	I	487	492	anti-parallel
Strand 6	I	497	502	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	359	362	first strand
Strand 2	I	514	519	anti-parallel
Strand 3	I	410	419	anti-parallel
Strand 4	I	427	435	anti-parallel
Strand 5	I	443	450	anti-parallel
Strand 6	I	465	469	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	359	362	first strand
Strand 2	I	514	519	anti-parallel
Strand 3	I	410	419	anti-parallel
Strand 4	I	427	435	anti-parallel
Strand 5	I	386	387	anti-parallel

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There are 5 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	64	70	first strand
Strand 2	K	51	57	anti-parallel
Strand 3	K	33	40	anti-parallel
Strand 4	K	19	30	anti-parallel
Strand 5	K	312	313	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	81	88	first strand
Strand 2	K	94	101	anti-parallel
Strand 3	K	107	114	anti-parallel
Strand 4	K	125	127	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	147	148	first strand
Strand 2	K	161	169	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	154	155	first strand
Strand 2	K	161	169	anti-parallel

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There are 2 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	187	188	first strand
Strand 2	K	172	180	anti-parallel

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There are 2 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	194	197	first strand
Strand 2	K	172	180	anti-parallel

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There are 4 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	202	211	first strand
Strand 2	K	230	238	anti-parallel
Strand 3	K	243	252	anti-parallel
Strand 4	K	257	260	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	279	286	first strand
Strand 2	K	291	298	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	315	316	first strand
Strand 2	K	291	298	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	331	335	first strand
Strand 2	K	320	324	anti-parallel
Strand 3	K	291	298	anti-parallel
Strand 4	K	315	316	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	331	335	first strand
Strand 2	K	320	324	anti-parallel
Strand 3	K	291	298	anti-parallel
Strand 4	K	279	286	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	348	355	first strand
Strand 2	K	525	534	anti-parallel
Strand 3	K	370	379	anti-parallel
Strand 4	K	477	484	anti-parallel
Strand 5	K	487	492	anti-parallel
Strand 6	K	497	502	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	359	362	first strand
Strand 2	K	513	519	anti-parallel
Strand 3	K	410	420	anti-parallel
Strand 4	K	427	435	anti-parallel
Strand 5	K	443	450	anti-parallel
Strand 6	K	465	469	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	359	362	first strand
Strand 2	K	513	519	anti-parallel
Strand 3	K	410	420	anti-parallel
Strand 4	K	427	435	anti-parallel
Strand 5	K	386	387	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: 2XQR

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