Analysis of interatomic Contacts of Structural Units in PDB entry:
4S13

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 4S13 entry

There are 3 chains in PDB entry 4S13 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	LYS 3	LYS 503
B	LYS 3	LYS 503
C	LYS 3	SER 332

There are175 helices in PDB entry 4S13. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	9	20	Right-handed alpha
Helix 2	2	A	34	46	Right-handed alpha
Helix 3	3	A	75	79	Right-handed 310
Helix 4	4	A	81	88	Right-handed alpha
Helix 5	5	A	95	106	Right-handed alpha
Helix 6	6	A	107	109	Right-handed 310
Helix 7	7	A	118	126	Right-handed 310
Helix 8	8	A	130	134	Right-handed 310
Helix 9	9	A	135	139	Right-handed 310
Helix 10	10	A	219	226	Right-handed alpha
Helix 11	11	A	237	245	Right-handed alpha
Helix 12	12	A	324	346	Right-handed alpha
Helix 13	13	A	355	359	Right-handed 310
Helix 14	14	A	368	375	Right-handed alpha
Helix 15	15	A	378	392	Right-handed alpha
Helix 16	16	A	413	425	Right-handed alpha
Helix 17	17	A	443	448	Right-handed alpha
Helix 18	18	A	449	454	Right-handed 310
Helix 19	19	A	466	471	Right-handed 310
Helix 20	20	A	480	485	Right-handed alpha
Helix 21	21	A	488	501	Right-handed alpha
Helix 22	22	B	9	20	Right-handed alpha
Helix 23	23	B	34	46	Right-handed alpha
Helix 24	24	B	81	87	Right-handed alpha
Helix 25	25	B	95	106	Right-handed alpha
Helix 26	26	B	118	126	Right-handed 310
Helix 27	27	B	130	134	Right-handed 310
Helix 28	28	B	135	139	Right-handed 310
Helix 29	29	B	219	226	Right-handed alpha
Helix 30	30	B	235	245	Right-handed alpha
Helix 31	31	B	324	346	Right-handed alpha
Helix 32	32	B	355	359	Right-handed 310
Helix 33	33	B	368	375	Right-handed alpha
Helix 34	34	B	378	392	Right-handed alpha
Helix 35	35	B	393	397	Right-handed 310
Helix 36	36	B	413	425	Right-handed alpha
Helix 37	37	B	443	448	Right-handed alpha
Helix 38	38	B	450	455	Right-handed alpha
Helix 39	39	B	466	471	Right-handed 310
Helix 40	40	B	480	485	Right-handed alpha
Helix 41	41	B	488	501	Right-handed alpha
Helix 42	42	C	9	20	Right-handed alpha
Helix 43	43	C	34	46	Right-handed alpha
Helix 44	44	C	75	79	Right-handed 310
Helix 45	45	C	81	88	Right-handed alpha
Helix 46	46	C	95	107	Right-handed alpha
Helix 47	47	C	118	126	Right-handed 310
Helix 48	48	C	130	134	Right-handed 310
Helix 49	49	C	135	139	Right-handed 310
Helix 50	50	C	196	204	Right-handed alpha
Helix 51	51	C	219	226	Right-handed alpha
Helix 52	52	C	235	245	Right-handed alpha
Helix 53	53	C	324	345	Right-handed alpha
Helix 54	54	C	355	359	Right-handed 310
Helix 55	55	C	368	375	Right-handed alpha
Helix 56	56	C	378	392	Right-handed alpha
Helix 57	57	C	393	397	Right-handed 310
Helix 58	58	C	413	425	Right-handed alpha
Helix 59	59	C	443	448	Right-handed alpha
Helix 60	60	C	450	455	Right-handed alpha
Helix 61	61	C	466	471	Right-handed 310
Helix 62	62	C	480	485	Right-handed alpha
Helix 63	63	C	488	501	Right-handed alpha
Helix 64	64	D	9	20	Right-handed alpha
Helix 65	65	D	34	46	Right-handed alpha
Helix 66	66	D	75	79	Right-handed 310
Helix 67	67	D	81	88	Right-handed alpha
Helix 68	68	D	95	106	Right-handed alpha
Helix 69	69	D	107	109	Right-handed 310
Helix 70	70	D	118	126	Right-handed 310
Helix 71	71	D	130	134	Right-handed 310
Helix 72	72	D	135	139	Right-handed 310
Helix 73	73	D	219	226	Right-handed alpha
Helix 74	74	D	235	245	Right-handed alpha
Helix 75	75	D	324	329	Right-handed alpha
Helix 76	76	D	329	346	Right-handed alpha
Helix 77	77	D	355	359	Right-handed 310
Helix 78	78	D	368	375	Right-handed alpha
Helix 79	79	D	378	392	Right-handed alpha
Helix 80	80	D	393	397	Right-handed 310
Helix 81	81	D	413	425	Right-handed alpha
Helix 82	82	D	443	448	Right-handed alpha
Helix 83	83	D	449	454	Right-handed 310
Helix 84	84	D	466	471	Right-handed 310
Helix 85	85	D	480	485	Right-handed alpha
Helix 86	86	D	488	501	Right-handed alpha
Helix 87	87	E	9	20	Right-handed alpha
Helix 88	88	E	34	46	Right-handed alpha
Helix 89	89	E	81	88	Right-handed alpha
Helix 90	90	E	95	107	Right-handed alpha
Helix 91	91	E	118	126	Right-handed 310
Helix 92	92	E	130	134	Right-handed 310
Helix 93	93	E	135	139	Right-handed 310
Helix 94	94	E	196	204	Right-handed alpha
Helix 95	95	E	219	226	Right-handed alpha
Helix 96	96	E	236	245	Right-handed alpha
Helix 97	97	E	324	345	Right-handed alpha
Helix 98	98	E	355	359	Right-handed 310
Helix 99	99	E	368	375	Right-handed alpha
Helix 100	100	E	378	392	Right-handed alpha
Helix 101	101	E	393	397	Right-handed 310
Helix 102	102	E	413	425	Right-handed alpha
Helix 103	103	E	443	448	Right-handed alpha
Helix 104	104	E	450	455	Right-handed alpha
Helix 105	105	E	466	471	Right-handed 310
Helix 106	106	E	480	485	Right-handed alpha
Helix 107	107	E	488	501	Right-handed alpha
Helix 108	108	F	9	20	Right-handed alpha
Helix 109	109	F	34	46	Right-handed alpha
Helix 110	110	F	75	79	Right-handed 310
Helix 111	111	F	81	87	Right-handed alpha
Helix 112	112	F	95	107	Right-handed alpha
Helix 113	113	F	118	126	Right-handed 310
Helix 114	114	F	130	134	Right-handed 310
Helix 115	115	F	135	139	Right-handed 310
Helix 116	116	F	196	204	Right-handed alpha
Helix 117	117	F	219	226	Right-handed alpha
Helix 118	118	F	235	245	Right-handed alpha
Helix 119	119	F	324	329	Right-handed alpha
Helix 120	120	F	329	346	Right-handed alpha
Helix 121	121	F	355	359	Right-handed 310
Helix 122	122	F	368	374	Right-handed alpha
Helix 123	123	F	378	392	Right-handed alpha
Helix 124	124	F	393	397	Right-handed 310
Helix 125	125	F	413	425	Right-handed alpha
Helix 126	126	F	443	448	Right-handed alpha
Helix 127	127	F	450	455	Right-handed alpha
Helix 128	128	F	466	471	Right-handed 310
Helix 129	129	F	480	485	Right-handed alpha
Helix 130	130	F	488	496	Right-handed alpha
Helix 131	131	F	496	501	Right-handed alpha
Helix 132	132	G	9	20	Right-handed alpha
Helix 133	133	G	34	46	Right-handed alpha
Helix 134	134	G	75	79	Right-handed 310
Helix 135	135	G	81	87	Right-handed alpha
Helix 136	136	G	95	107	Right-handed alpha
Helix 137	137	G	118	126	Right-handed 310
Helix 138	138	G	132	134	Right-handed 310
Helix 139	139	G	135	139	Right-handed 310
Helix 140	140	G	219	226	Right-handed alpha
Helix 141	141	G	236	245	Right-handed alpha
Helix 142	142	G	324	346	Right-handed alpha
Helix 143	143	G	355	359	Right-handed 310
Helix 144	144	G	368	373	Right-handed alpha
Helix 145	145	G	378	392	Right-handed alpha
Helix 146	146	G	393	397	Right-handed 310
Helix 147	147	G	413	425	Right-handed alpha
Helix 148	148	G	443	448	Right-handed alpha
Helix 149	149	G	450	455	Right-handed alpha
Helix 150	150	G	466	471	Right-handed 310
Helix 151	151	G	480	485	Right-handed alpha
Helix 152	152	G	488	501	Right-handed alpha
Helix 153	153	H	9	20	Right-handed alpha
Helix 154	154	H	34	46	Right-handed alpha
Helix 155	155	H	75	79	Right-handed 310
Helix 156	156	H	81	87	Right-handed alpha
Helix 157	157	H	95	106	Right-handed alpha
Helix 158	158	H	118	126	Right-handed 310
Helix 159	159	H	130	134	Right-handed 310
Helix 160	160	H	135	139	Right-handed 310
Helix 161	161	H	219	226	Right-handed alpha
Helix 162	162	H	235	245	Right-handed alpha
Helix 163	163	H	324	329	Right-handed alpha
Helix 164	164	H	329	345	Right-handed alpha
Helix 165	165	H	355	359	Right-handed 310
Helix 166	166	H	368	375	Right-handed alpha
Helix 167	167	H	378	392	Right-handed alpha
Helix 168	168	H	393	398	Right-handed 310
Helix 169	169	H	413	425	Right-handed alpha
Helix 170	170	H	443	448	Right-handed alpha
Helix 171	171	H	450	455	Right-handed alpha
Helix 172	172	H	466	471	Right-handed 310
Helix 173	173	H	480	485	Right-handed alpha
Helix 174	174	H	488	496	Right-handed alpha
Helix 175	175	H	496	501	Right-handed alpha

There are 48 sheets in PDB entry 4S13. 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,

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	A	23	26	first strand
Strand 2	A	50	53	parallel
Strand 3	A	65	68	anti-parallel
Strand 4	A	313	316	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	115	116	first strand
Strand 2	A	249	252	parallel
Strand 3	A	259	261	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	A	127	129	first strand
Strand 2	A	297	308	anti-parallel
Strand 3	A	266	279	anti-parallel
Strand 4	A	210	216	anti-parallel
Strand 5	A	158	161	anti-parallel
Strand 6	A	170	172	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	127	129	first strand
Strand 2	A	297	308	anti-parallel
Strand 3	A	183	186	anti-parallel
Strand 4	A	176	178	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	289	291	first strand
Strand 2	C	476	478	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	349	353	first strand
Strand 2	A	362	367	anti-parallel
Strand 3	A	401	405	parallel
Strand 4	A	459	464	parallel
Strand 5	A	431	434	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	477	478	first strand
Strand 2	C	289	290	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	23	26	first strand
Strand 2	B	50	53	parallel
Strand 3	B	65	68	anti-parallel
Strand 4	B	313	316	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	115	116	first strand
Strand 2	B	249	252	parallel
Strand 3	B	259	261	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	127	129	first strand
Strand 2	B	298	308	anti-parallel
Strand 3	B	183	186	anti-parallel
Strand 4	B	176	178	anti-parallel
Strand 5	B	152	154	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	127	129	first strand
Strand 2	B	298	308	anti-parallel
Strand 3	B	266	278	anti-parallel
Strand 4	B	210	216	anti-parallel
Strand 5	B	158	162	anti-parallel
Strand 6	B	169	172	anti-parallel

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There are 2 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	289	291	first strand
Strand 2	E	476	478	anti-parallel

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There are 5 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	349	353	first strand
Strand 2	B	362	367	anti-parallel
Strand 3	B	401	406	parallel
Strand 4	B	459	464	parallel
Strand 5	B	431	434	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	477	478	first strand
Strand 2	E	289	290	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	23	26	first strand
Strand 2	C	50	53	parallel
Strand 3	C	65	68	anti-parallel
Strand 4	C	313	316	parallel

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There are 3 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	115	116	first strand
Strand 2	C	249	252	parallel
Strand 3	C	259	261	anti-parallel

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There are 5 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	127	129	first strand
Strand 2	C	295	308	anti-parallel
Strand 3	C	183	186	anti-parallel
Strand 4	C	176	178	anti-parallel
Strand 5	C	152	154	anti-parallel

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There are 6 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	127	129	first strand
Strand 2	C	295	308	anti-parallel
Strand 3	C	266	280	anti-parallel
Strand 4	C	210	216	anti-parallel
Strand 5	C	158	162	anti-parallel
Strand 6	C	169	172	anti-parallel

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There are 5 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	349	353	first strand
Strand 2	C	362	367	anti-parallel
Strand 3	C	401	405	parallel
Strand 4	C	459	463	parallel
Strand 5	C	431	434	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	23	26	first strand
Strand 2	D	50	53	parallel
Strand 3	D	65	68	anti-parallel
Strand 4	D	313	316	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	115	116	first strand
Strand 2	D	249	252	parallel
Strand 3	D	259	261	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	127	129	first strand
Strand 2	D	297	308	anti-parallel
Strand 3	D	183	186	anti-parallel
Strand 4	D	176	178	anti-parallel
Strand 5	D	152	154	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	127	129	first strand
Strand 2	D	297	308	anti-parallel
Strand 3	D	266	279	anti-parallel
Strand 4	D	210	216	anti-parallel
Strand 5	D	158	162	anti-parallel
Strand 6	D	169	172	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	289	290	first strand
Strand 2	F	477	478	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	349	353	first strand
Strand 2	D	362	367	anti-parallel
Strand 3	D	401	406	parallel
Strand 4	D	459	464	parallel
Strand 5	D	431	434	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	477	478	first strand
Strand 2	F	289	290	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	23	26	first strand
Strand 2	E	50	53	parallel
Strand 3	E	65	68	anti-parallel
Strand 4	E	313	316	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	115	116	first strand
Strand 2	E	249	252	parallel
Strand 3	E	259	261	anti-parallel

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There are 5 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	127	129	first strand
Strand 2	E	298	308	anti-parallel
Strand 3	E	183	186	anti-parallel
Strand 4	E	176	178	anti-parallel
Strand 5	E	152	154	anti-parallel

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There are 6 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	127	129	first strand
Strand 2	E	298	308	anti-parallel
Strand 3	E	266	278	anti-parallel
Strand 4	E	210	216	anti-parallel
Strand 5	E	158	162	anti-parallel
Strand 6	E	169	172	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	E	349	353	first strand
Strand 2	E	362	367	anti-parallel
Strand 3	E	401	406	parallel
Strand 4	E	459	464	parallel
Strand 5	E	431	434	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	F	23	26	first strand
Strand 2	F	50	53	parallel
Strand 3	F	65	68	anti-parallel
Strand 4	F	313	316	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	115	116	first strand
Strand 2	F	249	252	parallel
Strand 3	F	259	261	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	127	129	first strand
Strand 2	F	298	308	anti-parallel
Strand 3	F	183	186	anti-parallel
Strand 4	F	176	178	anti-parallel
Strand 5	F	152	154	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	127	129	first strand
Strand 2	F	298	308	anti-parallel
Strand 3	F	266	278	anti-parallel
Strand 4	F	210	216	anti-parallel
Strand 5	F	158	162	anti-parallel
Strand 6	F	169	172	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	349	353	first strand
Strand 2	F	362	367	anti-parallel
Strand 3	F	401	406	parallel
Strand 4	F	459	464	parallel
Strand 5	F	431	434	anti-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	G	23	26	first strand
Strand 2	G	50	53	parallel
Strand 3	G	65	68	anti-parallel
Strand 4	G	313	316	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	115	116	first strand
Strand 2	G	249	252	parallel
Strand 3	G	259	261	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	127	130	first strand
Strand 2	G	299	308	anti-parallel
Strand 3	G	183	186	anti-parallel
Strand 4	G	176	178	anti-parallel
Strand 5	G	152	154	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	127	130	first strand
Strand 2	G	299	308	anti-parallel
Strand 3	G	266	277	anti-parallel
Strand 4	G	210	216	anti-parallel
Strand 5	G	158	162	anti-parallel
Strand 6	G	169	172	anti-parallel

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There are 2 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	289	290	first strand
Strand 2	H	477	478	anti-parallel

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There are 5 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	349	353	first strand
Strand 2	G	362	367	anti-parallel
Strand 3	G	401	405	parallel
Strand 4	G	459	464	parallel
Strand 5	G	431	434	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	476	478	first strand
Strand 2	H	289	291	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	23	26	first strand
Strand 2	H	50	53	parallel
Strand 3	H	65	68	anti-parallel
Strand 4	H	313	316	parallel

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There are 3 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	115	116	first strand
Strand 2	H	249	252	parallel
Strand 3	H	259	261	anti-parallel

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There are 5 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	127	129	first strand
Strand 2	H	296	308	anti-parallel
Strand 3	H	183	186	anti-parallel
Strand 4	H	176	180	anti-parallel
Strand 5	H	152	154	anti-parallel

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There are 6 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	127	129	first strand
Strand 2	H	296	308	anti-parallel
Strand 3	H	266	280	anti-parallel
Strand 4	H	210	216	anti-parallel
Strand 5	H	158	162	anti-parallel
Strand 6	H	169	172	anti-parallel

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There are 5 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	349	353	first strand
Strand 2	H	362	367	anti-parallel
Strand 3	H	401	405	parallel
Strand 4	H	459	464	parallel
Strand 5	H	431	434	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: 4S13

Analysis of interatomic Contacts of Structural Units in PDB entry:
4S13