Analysis of interatomic Contacts of Structural Units in PDB entry:
4QD2

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 4QD2 entry

There are 6 chains in PDB entry 4QD2 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
D	ASN 9	PRO 294
B	GLU 4	ILE 146
C	ASN 9	PRO 294
A	GLU 380	ASN 626
E	TRP 2	ASP 213
I	ASN 9	TYR 94

There are 35 helices in PDB entry 4QD2. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	D	43	46	Right-handed 310
Helix 2	2	D	90	93	Right-handed 310
Helix 3	3	D	135	138	Right-handed 310
Helix 4	4	D	145	151	Right-handed alpha
Helix 5	5	B	40	43	Right-handed 310
Helix 6	6	B	82	85	Right-handed 310
Helix 7	7	B	136	139	Right-handed 310
Helix 8	8	C	43	46	Right-handed 310
Helix 9	9	C	90	93	Right-handed 310
Helix 10	10	C	135	138	Right-handed 310
Helix 11	11	C	145	151	Right-handed alpha
Helix 12	12	C	185	188	Right-handed 310
Helix 13	13	C	217	220	Right-handed 310
Helix 14	14	C	233	236	Right-handed 310
Helix 15	15	C	283	286	Right-handed 310
Helix 16	16	A	502	508	Right-handed 310
Helix 17	17	E	195	199	Right-handed alpha
Helix 18	18	I	43	46	Right-handed 310
Helix 19	19	I	90	93	Right-handed 310
Helix 20	20	I	135	138	Right-handed 310
Helix 21	21	I	145	151	Right-handed alpha
Helix 22	22	I	185	188	Right-handed 310
Helix 23	23	I	233	236	Right-handed 310
Helix 24	24	I	283	285	Right-handed 310
Helix 25	25	G	40	43	Right-handed 310
Helix 26	26	G	82	85	Right-handed 310
Helix 27	27	G	136	139	Right-handed 310
Helix 28	28	H	43	46	Right-handed 310
Helix 29	29	H	90	93	Right-handed 310
Helix 30	30	H	135	138	Right-handed 310
Helix 31	31	H	145	151	Right-handed alpha
Helix 32	32	H	217	220	Right-handed 310
Helix 33	33	F	502	508	Right-handed 310
Helix 34	34	J	26	31	Right-handed 310
Helix 35	35	J	196	199	Right-handed 310

There are 60 sheets in PDB entry 4QD2. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, AA, AB, AC, AD, AE, AF, AG, AH, AI, AJ, AK, AL, AM, AN, AO, AP, AQ, AR, AS, AT, AU, AV, AW, AX, AY, AZ, BA, BB, BC, BD, BE, BF, BG, BH,

There are 2 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	16	20	first strand
Strand 2	D	140	144	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	26	31	first strand
Strand 2	D	34	39	anti-parallel

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There are 2 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	48	53	first strand
Strand 2	D	58	63	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	71	75	first strand
Strand 2	D	82	86	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	105	110	first strand
Strand 2	D	95	100	anti-parallel
Strand 3	C	95	100	anti-parallel
Strand 4	C	105	110	anti-parallel

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There are 2 strands in F 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	126	130	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	200	205	first strand
Strand 2	D	189	195	anti-parallel
Strand 3	D	153	159	anti-parallel
Strand 4	D	288	291	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	165	171	first strand
Strand 2	D	174	181	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	211	215	first strand
Strand 2	D	223	227	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	238	242	first strand
Strand 2	D	250	254	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	260	264	first strand
Strand 2	D	275	279	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	11	17	first strand
Strand 2	B	45	50	anti-parallel
Strand 3	B	55	60	anti-parallel
Strand 4	B	87	93	anti-parallel
Strand 5	B	96	101	anti-parallel
Strand 6	B	141	145	anti-parallel
Strand 7	B	11	17	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	23	28	first strand
Strand 2	B	31	36	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	67	70	first strand
Strand 2	B	76	79	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	110	113	first strand
Strand 2	B	127	130	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	58	63	first strand
Strand 2	C	48	53	anti-parallel
Strand 3	C	15	20	anti-parallel
Strand 4	C	140	144	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	27	31	first strand
Strand 2	C	34	38	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	71	75	first strand
Strand 2	C	82	86	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	116	121	first strand
Strand 2	C	126	131	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	153	159	first strand
Strand 2	C	190	195	anti-parallel
Strand 3	C	200	205	anti-parallel
Strand 4	C	238	242	anti-parallel
Strand 5	C	249	254	anti-parallel
Strand 6	C	288	291	anti-parallel
Strand 7	C	153	159	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	165	169	first strand
Strand 2	C	177	181	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	211	215	first strand
Strand 2	C	223	227	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	260	264	first strand
Strand 2	C	275	279	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	383	384	first strand
Strand 2	A	406	410	parallel
Strand 3	A	480	484	anti-parallel
Strand 4	A	430	433	anti-parallel
Strand 5	A	456	459	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	392	396	first strand
Strand 2	A	494	500	anti-parallel
Strand 3	A	416	421	anti-parallel
Strand 4	A	468	474	anti-parallel
Strand 5	A	510	515	anti-parallel
Strand 6	A	536	542	parallel
Strand 7	A	603	612	anti-parallel
Strand 8	A	563	574	anti-parallel
Strand 9	A	577	588	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	525	529	first strand
Strand 2	A	617	625	anti-parallel
Strand 3	A	552	558	anti-parallel
Strand 4	A	595	599	anti-parallel

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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	E	7	10	first strand
Strand 2	E	92	99	parallel
Strand 3	E	73	81	anti-parallel
Strand 4	E	35	40	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	19	23	first strand
Strand 2	E	59	62	anti-parallel
Strand 3	E	51	53	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	E	107	108	first strand
Strand 2	E	132	133	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	112	118	first strand
Strand 2	E	202	212	parallel
Strand 3	E	186	194	anti-parallel
Strand 4	E	147	154	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	126	129	first strand
Strand 2	E	171	174	anti-parallel
Strand 3	E	163	165	anti-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	I	58	63	first strand
Strand 2	I	48	53	anti-parallel
Strand 3	I	14	20	anti-parallel
Strand 4	I	140	144	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	I	27	31	first strand
Strand 2	I	34	38	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	I	71	75	first strand
Strand 2	I	82	86	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	105	110	first strand
Strand 2	I	95	100	anti-parallel
Strand 3	H	95	100	anti-parallel
Strand 4	H	106	110	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	I	117	121	first strand
Strand 2	I	126	130	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	153	159	first strand
Strand 2	I	190	195	anti-parallel
Strand 3	I	200	205	anti-parallel
Strand 4	I	238	242	anti-parallel
Strand 5	I	249	254	anti-parallel
Strand 6	I	287	291	anti-parallel
Strand 7	I	153	159	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	165	169	first strand
Strand 2	I	177	181	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	211	215	first strand
Strand 2	I	223	227	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	260	264	first strand
Strand 2	I	275	279	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	11	17	first strand
Strand 2	G	45	50	anti-parallel
Strand 3	G	55	60	anti-parallel
Strand 4	G	87	93	anti-parallel
Strand 5	G	96	101	anti-parallel
Strand 6	G	141	144	anti-parallel
Strand 7	G	11	17	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	23	28	first strand
Strand 2	G	31	36	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	67	70	first strand
Strand 2	G	76	79	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	110	113	first strand
Strand 2	G	127	130	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	58	63	first strand
Strand 2	H	48	53	anti-parallel
Strand 3	H	14	20	anti-parallel
Strand 4	H	140	144	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	27	31	first strand
Strand 2	H	34	38	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	71	75	first strand
Strand 2	H	82	86	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	116	121	first strand
Strand 2	H	126	131	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	153	159	first strand
Strand 2	H	190	195	anti-parallel
Strand 3	H	200	205	anti-parallel
Strand 4	H	238	242	anti-parallel
Strand 5	H	249	254	anti-parallel
Strand 6	H	287	291	anti-parallel
Strand 7	H	153	159	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	165	169	first strand
Strand 2	H	177	181	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	211	216	first strand
Strand 2	H	222	227	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	260	264	first strand
Strand 2	H	275	279	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	382	384	first strand
Strand 2	F	406	410	parallel
Strand 3	F	480	484	anti-parallel
Strand 4	F	430	433	anti-parallel
Strand 5	F	456	459	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	392	396	first strand
Strand 2	F	494	500	anti-parallel
Strand 3	F	416	422	anti-parallel
Strand 4	F	468	474	anti-parallel
Strand 5	F	510	515	anti-parallel
Strand 6	F	536	542	parallel
Strand 7	F	603	612	anti-parallel
Strand 8	F	563	574	anti-parallel
Strand 9	F	577	588	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	522	529	first strand
Strand 2	F	617	625	anti-parallel
Strand 3	F	552	559	anti-parallel
Strand 4	F	595	599	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	J	8	10	first strand
Strand 2	J	92	99	parallel
Strand 3	J	73	81	anti-parallel
Strand 4	J	35	40	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	19	23	first strand
Strand 2	J	59	62	anti-parallel
Strand 3	J	51	53	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	107	108	first strand
Strand 2	J	132	133	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	112	117	first strand
Strand 2	J	202	211	parallel
Strand 3	J	186	194	anti-parallel
Strand 4	J	147	154	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	126	129	first strand
Strand 2	J	171	174	anti-parallel
Strand 3	J	163	165	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: 4QD2

Analysis of interatomic Contacts of Structural Units in PDB entry:
4QD2