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

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 4HEL entry

There are 14 chains in PDB entry 4HEL (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ALA 2	LYS 526
B	ALA 2	LYS 526
C	ALA 2	LYS 526
D	ALA 2	LYS 526
E	ALA 2	LYS 526
F	ALA 2	LYS 526
G	ALA 2	LYS 526
H	ALA 2	LYS 526
I	ALA 2	LYS 526
J	ALA 2	LYS 526
K	ALA 2	LYS 526
L	ALA 2	LYS 526
M	ALA 2	LYS 526
N	ALA 2	LYS 526

There are293 helices in PDB entry 4HEL. 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	29	Right-handed alpha
Helix 2	2	A	52	60	Right-handed alpha
Helix 3	3	A	64	86	Right-handed alpha
Helix 4	4	A	88	109	Right-handed alpha
Helix 5	5	A	112	135	Right-handed alpha
Helix 6	6	A	140	152	Right-handed alpha
Helix 7	7	A	155	170	Right-handed alpha
Helix 8	8	A	201	205	Right-handed 310
Helix 9	9	A	229	242	Right-handed alpha
Helix 10	10	A	255	267	Right-handed alpha
Helix 11	11	A	281	297	Right-handed alpha
Helix 12	12	A	308	312	Right-handed 310
Helix 13	13	A	313	317	Right-handed 310
Helix 14	14	A	338	356	Right-handed alpha
Helix 15	15	A	358	375	Right-handed alpha
Helix 16	16	A	385	410	Right-handed alpha
Helix 17	17	A	416	425	Right-handed alpha
Helix 18	18	A	433	447	Right-handed alpha
Helix 19	19	A	448	458	Right-handed alpha
Helix 20	20	A	461	472	Right-handed alpha
Helix 21	21	A	497	516	Right-handed alpha
Helix 22	22	B	9	29	Right-handed alpha
Helix 23	23	B	52	60	Right-handed alpha
Helix 24	24	B	64	86	Right-handed alpha
Helix 25	25	B	88	109	Right-handed alpha
Helix 26	26	B	112	135	Right-handed alpha
Helix 27	27	B	140	152	Right-handed alpha
Helix 28	28	B	155	170	Right-handed alpha
Helix 29	29	B	233	242	Right-handed alpha
Helix 30	30	B	243	245	Right-handed 310
Helix 31	31	B	255	267	Right-handed alpha
Helix 32	32	B	281	296	Right-handed alpha
Helix 33	33	B	308	312	Right-handed 310
Helix 34	34	B	338	356	Right-handed alpha
Helix 35	35	B	358	375	Right-handed alpha
Helix 36	36	B	385	410	Right-handed alpha
Helix 37	37	B	416	425	Right-handed alpha
Helix 38	38	B	433	447	Right-handed alpha
Helix 39	39	B	448	458	Right-handed alpha
Helix 40	40	B	461	472	Right-handed alpha
Helix 41	41	B	497	516	Right-handed alpha
Helix 42	42	C	9	28	Right-handed alpha
Helix 43	43	C	29	31	Right-handed 310
Helix 44	44	C	52	60	Right-handed alpha
Helix 45	45	C	64	86	Right-handed alpha
Helix 46	46	C	88	109	Right-handed alpha
Helix 47	47	C	112	135	Right-handed alpha
Helix 48	48	C	140	152	Right-handed alpha
Helix 49	49	C	155	170	Right-handed alpha
Helix 50	50	C	233	242	Right-handed alpha
Helix 51	51	C	255	267	Right-handed alpha
Helix 52	52	C	281	296	Right-handed alpha
Helix 53	53	C	308	312	Right-handed 310
Helix 54	54	C	338	353	Right-handed alpha
Helix 55	55	C	358	375	Right-handed alpha
Helix 56	56	C	385	410	Right-handed alpha
Helix 57	57	C	416	426	Right-handed alpha
Helix 58	58	C	433	447	Right-handed alpha
Helix 59	59	C	448	459	Right-handed alpha
Helix 60	60	C	461	472	Right-handed alpha
Helix 61	61	C	497	516	Right-handed alpha
Helix 62	62	D	9	29	Right-handed alpha
Helix 63	63	D	52	60	Right-handed alpha
Helix 64	64	D	64	86	Right-handed alpha
Helix 65	65	D	88	109	Right-handed alpha
Helix 66	66	D	112	135	Right-handed alpha
Helix 67	67	D	140	152	Right-handed alpha
Helix 68	68	D	155	169	Right-handed alpha
Helix 69	69	D	233	242	Right-handed alpha
Helix 70	70	D	255	267	Right-handed alpha
Helix 71	71	D	281	297	Right-handed alpha
Helix 72	72	D	304	306	Right-handed 310
Helix 73	73	D	308	312	Right-handed 310
Helix 74	74	D	338	355	Right-handed alpha
Helix 75	75	D	358	375	Right-handed alpha
Helix 76	76	D	385	410	Right-handed alpha
Helix 77	77	D	416	426	Right-handed alpha
Helix 78	78	D	433	447	Right-handed alpha
Helix 79	79	D	448	459	Right-handed alpha
Helix 80	80	D	461	472	Right-handed alpha
Helix 81	81	D	497	516	Right-handed alpha
Helix 82	82	E	9	28	Right-handed alpha
Helix 83	83	E	29	31	Right-handed 310
Helix 84	84	E	52	60	Right-handed alpha
Helix 85	85	E	64	86	Right-handed alpha
Helix 86	86	E	88	109	Right-handed alpha
Helix 87	87	E	112	135	Right-handed alpha
Helix 88	88	E	140	152	Right-handed alpha
Helix 89	89	E	155	170	Right-handed alpha
Helix 90	90	E	201	205	Right-handed 310
Helix 91	91	E	233	242	Right-handed alpha
Helix 92	92	E	255	267	Right-handed alpha
Helix 93	93	E	281	297	Right-handed alpha
Helix 94	94	E	308	312	Right-handed 310
Helix 95	95	E	338	356	Right-handed alpha
Helix 96	96	E	358	375	Right-handed alpha
Helix 97	97	E	385	410	Right-handed alpha
Helix 98	98	E	416	425	Right-handed alpha
Helix 99	99	E	433	447	Right-handed alpha
Helix 100	100	E	448	458	Right-handed alpha
Helix 101	101	E	461	472	Right-handed alpha
Helix 102	102	E	497	516	Right-handed alpha
Helix 103	103	F	9	29	Right-handed alpha
Helix 104	104	F	52	60	Right-handed alpha
Helix 105	105	F	64	85	Right-handed alpha
Helix 106	106	F	88	109	Right-handed alpha
Helix 107	107	F	112	135	Right-handed alpha
Helix 108	108	F	140	152	Right-handed alpha
Helix 109	109	F	155	170	Right-handed alpha
Helix 110	110	F	201	205	Right-handed 310
Helix 111	111	F	233	242	Right-handed alpha
Helix 112	112	F	255	267	Right-handed alpha
Helix 113	113	F	281	297	Right-handed alpha
Helix 114	114	F	313	317	Right-handed 310
Helix 115	115	F	338	353	Right-handed alpha
Helix 116	116	F	358	375	Right-handed alpha
Helix 117	117	F	385	410	Right-handed alpha
Helix 118	118	F	416	426	Right-handed alpha
Helix 119	119	F	433	447	Right-handed alpha
Helix 120	120	F	448	458	Right-handed alpha
Helix 121	121	F	461	472	Right-handed alpha
Helix 122	122	F	497	516	Right-handed alpha
Helix 123	123	G	9	29	Right-handed alpha
Helix 124	124	G	52	60	Right-handed alpha
Helix 125	125	G	64	86	Right-handed alpha
Helix 126	126	G	88	108	Right-handed alpha
Helix 127	127	G	112	135	Right-handed alpha
Helix 128	128	G	140	152	Right-handed alpha
Helix 129	129	G	155	170	Right-handed alpha
Helix 130	130	G	229	242	Right-handed alpha
Helix 131	131	G	255	267	Right-handed alpha
Helix 132	132	G	281	297	Right-handed alpha
Helix 133	133	G	308	312	Right-handed 310
Helix 134	134	G	338	356	Right-handed alpha
Helix 135	135	G	358	375	Right-handed alpha
Helix 136	136	G	385	410	Right-handed alpha
Helix 137	137	G	416	426	Right-handed alpha
Helix 138	138	G	433	447	Right-handed alpha
Helix 139	139	G	448	458	Right-handed alpha
Helix 140	140	G	461	472	Right-handed alpha
Helix 141	141	G	497	516	Right-handed alpha
Helix 142	142	H	9	28	Right-handed alpha
Helix 143	143	H	29	31	Right-handed 310
Helix 144	144	H	52	60	Right-handed alpha
Helix 145	145	H	64	86	Right-handed alpha
Helix 146	146	H	88	109	Right-handed alpha
Helix 147	147	H	112	135	Right-handed alpha
Helix 148	148	H	140	152	Right-handed alpha
Helix 149	149	H	155	170	Right-handed alpha
Helix 150	150	H	229	242	Right-handed alpha
Helix 151	151	H	255	268	Right-handed alpha
Helix 152	152	H	281	297	Right-handed alpha
Helix 153	153	H	308	312	Right-handed 310
Helix 154	154	H	313	317	Right-handed 310
Helix 155	155	H	338	355	Right-handed alpha
Helix 156	156	H	358	375	Right-handed alpha
Helix 157	157	H	385	410	Right-handed alpha
Helix 158	158	H	416	426	Right-handed alpha
Helix 159	159	H	433	447	Right-handed alpha
Helix 160	160	H	448	458	Right-handed alpha
Helix 161	161	H	461	472	Right-handed alpha
Helix 162	162	H	497	516	Right-handed alpha
Helix 163	163	I	9	28	Right-handed alpha
Helix 164	164	I	29	31	Right-handed 310
Helix 165	165	I	52	60	Right-handed alpha
Helix 166	166	I	64	86	Right-handed alpha
Helix 167	167	I	88	109	Right-handed alpha
Helix 168	168	I	112	135	Right-handed alpha
Helix 169	169	I	140	152	Right-handed alpha
Helix 170	170	I	155	170	Right-handed alpha
Helix 171	171	I	201	205	Right-handed 310
Helix 172	172	I	233	242	Right-handed alpha
Helix 173	173	I	243	245	Right-handed 310
Helix 174	174	I	255	267	Right-handed alpha
Helix 175	175	I	281	297	Right-handed alpha
Helix 176	176	I	313	317	Right-handed 310
Helix 177	177	I	338	353	Right-handed alpha
Helix 178	178	I	358	375	Right-handed alpha
Helix 179	179	I	385	410	Right-handed alpha
Helix 180	180	I	416	426	Right-handed alpha
Helix 181	181	I	433	447	Right-handed alpha
Helix 182	182	I	448	458	Right-handed alpha
Helix 183	183	I	461	472	Right-handed alpha
Helix 184	184	I	497	516	Right-handed alpha
Helix 185	185	J	9	29	Right-handed alpha
Helix 186	186	J	52	60	Right-handed alpha
Helix 187	187	J	64	86	Right-handed alpha
Helix 188	188	J	88	109	Right-handed alpha
Helix 189	189	J	112	135	Right-handed alpha
Helix 190	190	J	140	152	Right-handed alpha
Helix 191	191	J	155	170	Right-handed alpha
Helix 192	192	J	233	242	Right-handed alpha
Helix 193	193	J	243	245	Right-handed 310
Helix 194	194	J	255	268	Right-handed alpha
Helix 195	195	J	281	297	Right-handed alpha
Helix 196	196	J	308	312	Right-handed 310
Helix 197	197	J	313	317	Right-handed 310
Helix 198	198	J	340	355	Right-handed alpha
Helix 199	199	J	358	375	Right-handed alpha
Helix 200	200	J	385	410	Right-handed alpha
Helix 201	201	J	416	426	Right-handed alpha
Helix 202	202	J	433	447	Right-handed alpha
Helix 203	203	J	448	458	Right-handed alpha
Helix 204	204	J	461	472	Right-handed alpha
Helix 205	205	J	497	516	Right-handed alpha
Helix 206	206	K	9	28	Right-handed alpha
Helix 207	207	K	52	60	Right-handed alpha
Helix 208	208	K	64	86	Right-handed alpha
Helix 209	209	K	88	109	Right-handed alpha
Helix 210	210	K	112	135	Right-handed alpha
Helix 211	211	K	140	152	Right-handed alpha
Helix 212	212	K	155	170	Right-handed alpha
Helix 213	213	K	234	239	Right-handed alpha
Helix 214	214	K	256	266	Right-handed alpha
Helix 215	215	K	267	269	Right-handed 310
Helix 216	216	K	281	297	Right-handed alpha
Helix 217	217	K	304	306	Right-handed 310
Helix 218	218	K	308	312	Right-handed 310
Helix 219	219	K	313	317	Right-handed 310
Helix 220	220	K	338	355	Right-handed alpha
Helix 221	221	K	358	375	Right-handed alpha
Helix 222	222	K	385	410	Right-handed alpha
Helix 223	223	K	416	426	Right-handed alpha
Helix 224	224	K	433	447	Right-handed alpha
Helix 225	225	K	448	459	Right-handed alpha
Helix 226	226	K	461	472	Right-handed alpha
Helix 227	227	K	497	516	Right-handed alpha
Helix 228	228	L	9	29	Right-handed alpha
Helix 229	229	L	52	60	Right-handed alpha
Helix 230	230	L	64	86	Right-handed alpha
Helix 231	231	L	88	109	Right-handed alpha
Helix 232	232	L	112	135	Right-handed alpha
Helix 233	233	L	140	152	Right-handed alpha
Helix 234	234	L	155	170	Right-handed alpha
Helix 235	235	L	201	205	Right-handed 310
Helix 236	236	L	234	242	Right-handed alpha
Helix 237	237	L	255	267	Right-handed alpha
Helix 238	238	L	281	297	Right-handed alpha
Helix 239	239	L	308	312	Right-handed 310
Helix 240	240	L	313	317	Right-handed 310
Helix 241	241	L	338	355	Right-handed alpha
Helix 242	242	L	359	375	Right-handed alpha
Helix 243	243	L	385	410	Right-handed alpha
Helix 244	244	L	416	426	Right-handed alpha
Helix 245	245	L	433	447	Right-handed alpha
Helix 246	246	L	448	458	Right-handed alpha
Helix 247	247	L	461	472	Right-handed alpha
Helix 248	248	L	497	516	Right-handed alpha
Helix 249	249	M	9	29	Right-handed alpha
Helix 250	250	M	52	60	Right-handed alpha
Helix 251	251	M	64	86	Right-handed alpha
Helix 252	252	M	88	109	Right-handed alpha
Helix 253	253	M	112	135	Right-handed alpha
Helix 254	254	M	140	152	Right-handed alpha
Helix 255	255	M	155	170	Right-handed alpha
Helix 256	256	M	201	205	Right-handed 310
Helix 257	257	M	207	211	Right-handed 310
Helix 258	258	M	233	242	Right-handed alpha
Helix 259	259	M	255	267	Right-handed alpha
Helix 260	260	M	281	297	Right-handed alpha
Helix 261	261	M	308	312	Right-handed 310
Helix 262	262	M	313	317	Right-handed 310
Helix 263	263	M	338	353	Right-handed alpha
Helix 264	264	M	354	356	Right-handed 310
Helix 265	265	M	358	375	Right-handed alpha
Helix 266	266	M	385	410	Right-handed alpha
Helix 267	267	M	416	425	Right-handed alpha
Helix 268	268	M	433	447	Right-handed alpha
Helix 269	269	M	448	458	Right-handed alpha
Helix 270	270	M	461	472	Right-handed alpha
Helix 271	271	M	497	516	Right-handed alpha
Helix 272	272	N	9	29	Right-handed alpha
Helix 273	273	N	52	60	Right-handed alpha
Helix 274	274	N	64	86	Right-handed alpha
Helix 275	275	N	88	109	Right-handed alpha
Helix 276	276	N	112	135	Right-handed alpha
Helix 277	277	N	140	152	Right-handed alpha
Helix 278	278	N	155	170	Right-handed alpha
Helix 279	279	N	201	205	Right-handed 310
Helix 280	280	N	229	242	Right-handed alpha
Helix 281	281	N	243	245	Right-handed 310
Helix 282	282	N	255	268	Right-handed alpha
Helix 283	283	N	281	297	Right-handed alpha
Helix 284	284	N	308	312	Right-handed 310
Helix 285	285	N	313	317	Right-handed 310
Helix 286	286	N	338	355	Right-handed alpha
Helix 287	287	N	358	375	Right-handed alpha
Helix 288	288	N	385	410	Right-handed alpha
Helix 289	289	N	416	426	Right-handed alpha
Helix 290	290	N	433	447	Right-handed alpha
Helix 291	291	N	448	459	Right-handed alpha
Helix 292	292	N	461	472	Right-handed alpha
Helix 293	293	N	497	516	Right-handed alpha

There are 77 sheets in PDB entry 4HEL. 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, BI, BJ, BK, BL, BM, BN, BO, BP, BQ, BR, BS, BT, BU, BV, BW, BX, BY,

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	4	8	first strand
Strand 2	A	517	523	anti-parallel
Strand 3	G	37	40	parallel
Strand 4	G	48	50	anti-parallel

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There are 4 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	48	50	first strand
Strand 2	A	37	40	anti-parallel
Strand 3	B	517	523	parallel
Strand 4	B	4	8	anti-parallel

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There are 3 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	175	179	first strand
Strand 2	A	376	381	parallel
Strand 3	A	186	190	anti-parallel

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There are 6 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	192	195	first strand
Strand 2	A	330	335	anti-parallel
Strand 3	A	318	325	anti-parallel
Strand 4	A	219	227	anti-parallel
Strand 5	A	247	254	parallel
Strand 6	A	273	277	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	A	213	216	first strand
Strand 2	A	318	325	anti-parallel
Strand 3	A	219	227	anti-parallel
Strand 4	A	301	302	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	A	411	413	first strand
Strand 2	A	494	496	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	476	477	first strand
Strand 2	A	486	487	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	48	50	first strand
Strand 2	B	37	40	anti-parallel
Strand 3	C	517	523	parallel
Strand 4	C	4	8	anti-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	174	179	first strand
Strand 2	B	376	381	parallel
Strand 3	B	186	190	anti-parallel

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There are 4 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	192	195	first strand
Strand 2	B	330	335	anti-parallel
Strand 3	B	318	325	anti-parallel
Strand 4	B	213	216	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	192	195	first strand
Strand 2	B	330	335	anti-parallel
Strand 3	B	318	325	anti-parallel
Strand 4	B	219	227	anti-parallel
Strand 5	B	247	254	parallel
Strand 6	B	273	277	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	411	413	first strand
Strand 2	B	494	496	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	476	479	first strand
Strand 2	B	484	487	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	48	50	first strand
Strand 2	C	37	40	anti-parallel
Strand 3	D	517	523	parallel
Strand 4	D	4	8	anti-parallel

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There are 3 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	174	179	first strand
Strand 2	C	376	381	parallel
Strand 3	C	186	190	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	192	195	first strand
Strand 2	C	330	335	anti-parallel
Strand 3	C	318	325	anti-parallel
Strand 4	C	213	216	anti-parallel

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There are 6 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	192	195	first strand
Strand 2	C	330	335	anti-parallel
Strand 3	C	318	325	anti-parallel
Strand 4	C	219	227	anti-parallel
Strand 5	C	247	254	parallel
Strand 6	C	273	277	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	411	413	first strand
Strand 2	C	494	496	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	476	478	first strand
Strand 2	C	485	487	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	48	50	first strand
Strand 2	D	37	40	anti-parallel
Strand 3	E	517	523	parallel
Strand 4	E	4	8	anti-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	174	179	first strand
Strand 2	D	376	381	parallel
Strand 3	D	186	190	anti-parallel

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There are 6 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	192	195	first strand
Strand 2	D	330	335	anti-parallel
Strand 3	D	318	325	anti-parallel
Strand 4	D	219	227	anti-parallel
Strand 5	D	247	254	parallel
Strand 6	D	273	277	parallel

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There are 4 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	213	216	first strand
Strand 2	D	318	325	anti-parallel
Strand 3	D	219	227	anti-parallel
Strand 4	D	300	302	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	411	413	first strand
Strand 2	D	494	496	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	48	50	first strand
Strand 2	E	37	40	anti-parallel
Strand 3	F	517	523	parallel
Strand 4	F	4	8	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	174	179	first strand
Strand 2	E	376	381	parallel
Strand 3	E	186	190	anti-parallel

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There are 6 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	192	195	first strand
Strand 2	E	330	335	anti-parallel
Strand 3	E	318	325	anti-parallel
Strand 4	E	219	227	anti-parallel
Strand 5	E	247	254	parallel
Strand 6	E	273	277	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	E	213	216	first strand
Strand 2	E	318	325	anti-parallel
Strand 3	E	219	227	anti-parallel
Strand 4	E	301	302	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	411	413	first strand
Strand 2	E	494	496	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	E	476	478	first strand
Strand 2	E	485	487	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	F	48	50	first strand
Strand 2	F	37	40	anti-parallel
Strand 3	G	517	523	parallel
Strand 4	G	4	8	anti-parallel

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There are 3 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	174	179	first strand
Strand 2	F	376	381	parallel
Strand 3	F	186	190	anti-parallel

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There are 6 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	192	195	first strand
Strand 2	F	330	335	anti-parallel
Strand 3	F	318	325	anti-parallel
Strand 4	F	219	227	anti-parallel
Strand 5	F	247	254	parallel
Strand 6	F	273	277	parallel

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There are 4 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	213	216	first strand
Strand 2	F	318	325	anti-parallel
Strand 3	F	219	227	anti-parallel
Strand 4	F	301	302	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	F	411	413	first strand
Strand 2	F	494	496	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	174	179	first strand
Strand 2	G	376	381	parallel
Strand 3	G	186	190	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	192	195	first strand
Strand 2	G	330	335	anti-parallel
Strand 3	G	318	325	anti-parallel
Strand 4	G	213	216	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	G	192	195	first strand
Strand 2	G	330	335	anti-parallel
Strand 3	G	318	325	anti-parallel
Strand 4	G	219	227	anti-parallel
Strand 5	G	247	254	parallel
Strand 6	G	273	277	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	G	411	413	first strand
Strand 2	G	494	496	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	4	8	first strand
Strand 2	H	517	523	anti-parallel
Strand 3	N	37	40	parallel
Strand 4	N	48	50	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	48	50	first strand
Strand 2	H	37	40	anti-parallel
Strand 3	I	517	523	parallel
Strand 4	I	4	8	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	175	179	first strand
Strand 2	H	376	381	parallel
Strand 3	H	186	190	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	192	195	first strand
Strand 2	H	330	335	anti-parallel
Strand 3	H	318	325	anti-parallel
Strand 4	H	219	227	anti-parallel
Strand 5	H	247	254	parallel
Strand 6	H	273	277	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	213	216	first strand
Strand 2	H	318	325	anti-parallel
Strand 3	H	219	227	anti-parallel
Strand 4	H	301	302	parallel

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There are 2 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	411	413	first strand
Strand 2	H	494	496	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	476	477	first strand
Strand 2	H	486	487	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	48	50	first strand
Strand 2	I	37	40	anti-parallel
Strand 3	J	517	523	parallel
Strand 4	J	4	8	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	175	179	first strand
Strand 2	I	376	381	parallel
Strand 3	I	186	190	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	192	195	first strand
Strand 2	I	330	335	anti-parallel
Strand 3	I	318	325	anti-parallel
Strand 4	I	219	227	anti-parallel
Strand 5	I	247	254	parallel
Strand 6	I	273	277	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	213	216	first strand
Strand 2	I	318	325	anti-parallel
Strand 3	I	219	227	anti-parallel
Strand 4	I	301	302	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	I	411	413	first strand
Strand 2	I	494	496	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	I	476	478	first strand
Strand 2	I	485	487	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	J	48	50	first strand
Strand 2	J	37	40	anti-parallel
Strand 3	K	517	523	parallel
Strand 4	K	4	8	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	174	179	first strand
Strand 2	J	376	381	parallel
Strand 3	J	186	190	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	192	195	first strand
Strand 2	J	330	335	anti-parallel
Strand 3	J	318	325	anti-parallel
Strand 4	J	219	227	anti-parallel
Strand 5	J	247	254	parallel
Strand 6	J	273	277	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	213	216	first strand
Strand 2	J	318	325	anti-parallel
Strand 3	J	219	227	anti-parallel
Strand 4	J	300	302	parallel

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There are 2 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	411	413	first strand
Strand 2	J	494	496	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	476	479	first strand
Strand 2	J	484	487	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	K	48	50	first strand
Strand 2	K	37	40	anti-parallel
Strand 3	L	517	523	parallel
Strand 4	L	4	8	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	K	175	179	first strand
Strand 2	K	376	381	parallel
Strand 3	K	186	190	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	192	195	first strand
Strand 2	K	330	335	anti-parallel
Strand 3	K	318	325	anti-parallel
Strand 4	K	219	227	anti-parallel
Strand 5	K	247	254	parallel
Strand 6	K	273	277	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	213	216	first strand
Strand 2	K	318	325	anti-parallel
Strand 3	K	219	227	anti-parallel
Strand 4	K	301	302	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	411	413	first strand
Strand 2	K	494	496	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	48	50	first strand
Strand 2	L	37	40	anti-parallel
Strand 3	M	517	523	parallel
Strand 4	M	4	8	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	174	179	first strand
Strand 2	L	376	381	parallel
Strand 3	L	186	190	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	192	195	first strand
Strand 2	L	330	335	anti-parallel
Strand 3	L	318	325	anti-parallel
Strand 4	L	219	227	anti-parallel
Strand 5	L	247	254	parallel
Strand 6	L	273	277	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	213	216	first strand
Strand 2	L	318	325	anti-parallel
Strand 3	L	219	227	anti-parallel
Strand 4	L	301	302	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	411	413	first strand
Strand 2	L	494	496	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	48	50	first strand
Strand 2	M	37	40	anti-parallel
Strand 3	N	517	523	parallel
Strand 4	N	4	8	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	175	179	first strand
Strand 2	M	376	381	parallel
Strand 3	M	186	190	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	192	196	first strand
Strand 2	M	329	335	anti-parallel
Strand 3	M	320	325	anti-parallel
Strand 4	M	215	216	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	273	277	first strand
Strand 2	M	247	254	parallel
Strand 3	M	222	227	parallel
Strand 4	M	300	302	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	411	413	first strand
Strand 2	M	494	496	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	175	179	first strand
Strand 2	N	376	381	parallel
Strand 3	N	186	190	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	192	195	first strand
Strand 2	N	330	335	anti-parallel
Strand 3	N	318	325	anti-parallel
Strand 4	N	219	227	anti-parallel
Strand 5	N	247	254	parallel
Strand 6	N	273	277	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	213	216	first strand
Strand 2	N	318	325	anti-parallel
Strand 3	N	219	227	anti-parallel
Strand 4	N	301	302	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	411	413	first strand
Strand 2	N	494	496	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: 4HEL

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