Analysis of interatomic Contacts of Structural Units in PDB entry:
4A3B

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 4A3B entry

There is 1 chain in PDB entry 4A3B (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLY 3	PRO 1302

There are136 helices in PDB entry 4A3B. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	23	31	Right-handed alpha
Helix 2	2	A	95	106	Right-handed alpha
Helix 3	3	A	119	126	Right-handed alpha
Helix 4	4	A	130	143	Right-handed alpha
Helix 5	5	A	203	214	Right-handed alpha
Helix 6	6	A	215	222	Right-handed alpha
Helix 7	7	A	230	233	Right-handed 310
Helix 8	8	A	243	247	Right-handed 310
Helix 9	9	A	260	282	Right-handed alpha
Helix 10	10	A	286	305	Right-handed alpha
Helix 11	11	A	324	330	Right-handed alpha
Helix 12	12	A	335	342	Right-handed alpha
Helix 13	13	A	368	372	Right-handed alpha
Helix 14	14	A	384	395	Right-handed alpha
Helix 15	15	A	451	453	Right-handed 310
Helix 16	16	A	474	479	Right-handed alpha
Helix 17	17	A	494	505	Right-handed alpha
Helix 18	18	A	508	510	Right-handed 310
Helix 19	19	A	524	536	Right-handed alpha
Helix 20	20	A	543	553	Right-handed alpha
Helix 21	21	A	574	579	Right-handed alpha
Helix 22	22	A	628	638	Right-handed alpha
Helix 23	23	A	638	661	Right-handed alpha
Helix 24	24	A	665	669	Right-handed 310
Helix 25	25	A	672	699	Right-handed alpha
Helix 26	26	A	709	737	Right-handed alpha
Helix 27	27	A	741	750	Right-handed alpha
Helix 28	28	A	754	763	Right-handed alpha
Helix 29	29	A	809	846	Right-handed alpha
Helix 30	30	A	867	871	Right-handed 310
Helix 31	31	A	874	876	Right-handed 310
Helix 32	32	A	889	898	Right-handed alpha
Helix 33	33	A	914	918	Right-handed 310
Helix 34	34	A	922	947	Right-handed alpha
Helix 35	35	A	959	972	Right-handed alpha
Helix 36	36	A	982	996	Right-handed alpha
Helix 37	37	A	1004	1026	Right-handed alpha
Helix 38	38	A	1027	1034	Right-handed alpha
Helix 39	39	A	1038	1057	Right-handed alpha
Helix 40	40	A	1063	1078	Right-handed alpha
Helix 41	41	A	1096	1107	Right-handed alpha
Helix 42	42	A	1127	1139	Right-handed alpha
Helix 43	43	A	1166	1173	Right-handed alpha
Helix 44	44	A	1198	1205	Right-handed alpha
Helix 45	45	A	1208	1221	Right-handed alpha
Helix 46	46	A	1256	1270	Right-handed alpha
Helix 47	47	A	1312	1318	Right-handed alpha
Helix 48	48	A	1331	1340	Right-handed alpha
Helix 49	49	A	1340	1359	Right-handed alpha
Helix 50	50	A	1364	1378	Right-handed alpha
Helix 51	51	A	1388	1392	Right-handed 310
Helix 52	52	A	1395	1401	Right-handed alpha
Helix 53	53	A	1404	1415	Right-handed alpha
Helix 54	54	A	1423	1431	Right-handed alpha
Helix 55	55	A	1436	1439	Right-handed 310
Helix 56	56	A	1447	1453	Right-handed alpha
Helix 57	57	B	28	41	Right-handed alpha
Helix 58	58	B	44	57	Right-handed alpha
Helix 59	59	B	57	63	Right-handed alpha
Helix 60	60	B	113	120	Right-handed alpha
Helix 61	61	B	179	184	Right-handed 310
Helix 62	62	B	185	192	Right-handed alpha
Helix 63	63	B	282	290	Right-handed alpha
Helix 64	64	B	295	302	Right-handed alpha
Helix 65	65	B	307	322	Right-handed alpha
Helix 66	66	B	326	336	Right-handed alpha
Helix 67	67	B	344	351	Right-handed alpha
Helix 68	68	B	352	358	Right-handed alpha
Helix 69	69	B	370	390	Right-handed alpha
Helix 70	70	B	400	402	Right-handed 310
Helix 71	71	B	408	435	Right-handed alpha
Helix 72	72	B	450	464	Right-handed alpha
Helix 73	73	B	487	495	Right-handed alpha
Helix 74	74	B	515	519	Right-handed 310
Helix 75	75	B	529	532	Right-handed 310
Helix 76	76	B	551	560	Right-handed alpha
Helix 77	77	B	567	569	Right-handed 310
Helix 78	78	B	592	607	Right-handed alpha
Helix 79	79	B	654	668	Right-handed alpha
Helix 80	80	B	681	687	Right-handed alpha
Helix 81	81	B	695	699	Right-handed alpha
Helix 82	82	B	706	711	Right-handed alpha
Helix 83	83	B	744	749	Right-handed 310
Helix 84	84	B	752	756	Right-handed 310
Helix 85	85	B	758	761	Right-handed 310
Helix 86	86	B	763	774	Right-handed alpha
Helix 87	87	B	784	788	Right-handed 310
Helix 88	88	B	808	813	Right-handed alpha
Helix 89	89	B	843	849	Right-handed alpha
Helix 90	90	B	889	893	Right-handed 310
Helix 91	91	B	1015	1021	Right-handed alpha
Helix 92	92	B	1022	1039	Right-handed alpha
Helix 93	93	B	1051	1062	Right-handed alpha
Helix 94	94	B	1098	1103	Right-handed alpha
Helix 95	95	B	1121	1125	Right-handed 310
Helix 96	96	B	1131	1142	Right-handed alpha
Helix 97	97	B	1143	1152	Right-handed alpha
Helix 98	98	B	1198	1210	Right-handed alpha
Helix 99	99	C	26	40	Right-handed alpha
Helix 100	100	C	59	70	Right-handed alpha
Helix 101	101	C	75	80	Right-handed 310
Helix 102	102	C	82	86	Right-handed 310
Helix 103	103	C	167	171	Right-handed 310
Helix 104	104	C	196	201	Right-handed alpha
Helix 105	105	C	204	210	Right-handed 310
Helix 106	106	C	239	266	Right-handed alpha
Helix 107	107	D	53	74	Right-handed alpha
Helix 108	108	D	119	134	Right-handed alpha
Helix 109	109	D	138	152	Right-handed alpha
Helix 110	110	D	156	168	Right-handed alpha
Helix 111	111	D	173	183	Right-handed alpha
Helix 112	112	D	187	195	Right-handed alpha
Helix 113	113	D	203	218	Right-handed alpha
Helix 114	114	E	5	27	Right-handed alpha
Helix 115	115	E	31	36	Right-handed alpha
Helix 116	116	E	38	44	Right-handed alpha
Helix 117	117	E	54	59	Right-handed alpha
Helix 118	118	E	67	72	Right-handed alpha
Helix 119	119	E	89	103	Right-handed alpha
Helix 120	120	E	117	122	Right-handed alpha
Helix 121	121	E	137	141	Right-handed alpha
Helix 122	122	E	143	147	Right-handed 310
Helix 123	123	E	157	168	Right-handed alpha
Helix 124	124	E	182	188	Right-handed alpha
Helix 125	125	F	75	79	Right-handed 310
Helix 126	126	F	86	103	Right-handed alpha
Helix 127	127	F	116	127	Right-handed alpha
Helix 128	128	G	14	18	Right-handed 310
Helix 129	129	G	21	35	Right-handed alpha
Helix 130	130	J	16	26	Right-handed alpha
Helix 131	131	J	31	39	Right-handed alpha
Helix 132	132	J	43	52	Right-handed alpha
Helix 133	133	J	56	62	Right-handed alpha
Helix 134	134	K	5	10	Right-handed 310
Helix 135	135	K	39	51	Right-handed alpha
Helix 136	136	K	82	112	Right-handed alpha

There are 52 sheets in PDB entry 4A3B. 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, AO, AP, AQ, AR, A, DB, BA, BB, BC, BD, BE, BF, BG, BH, BI, BJ, BK, BL, BM, BN, BO, BP, BQ, BR, BS, CA, CB, CC, C, EA, EB, EC, GA, GB, HA, IA, IB, KA,

There are 3 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	1418	1419	first strand
Strand 2	A	16	18	anti-parallel
Strand 3	B	1215	1217	anti-parallel

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There are 2 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	82	91	first strand
Strand 2	A	235	241	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	152	153	first strand
Strand 2	A	161	162	anti-parallel

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There are 3 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	175	177	first strand
Strand 2	A	180	185	anti-parallel
Strand 3	A	198	202	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	343	345	first strand
Strand 2	B	1128	1130	anti-parallel

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There are 14 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	348	355	first strand
Strand 2	B	1104	1106	anti-parallel
Strand 3	A	363	367	first strand
Strand 4	A	455	463	parallel
Strand 5	A	441	445	anti-parallel
Strand 6	A	468	470	anti-parallel
Strand 7	A	486	490	anti-parallel
Strand 8	A	348	355	anti-parallel
Strand 9	A	375	379	first strand
Strand 10	A	431	435	anti-parallel
Strand 11	A	402	406	anti-parallel
Strand 12	A	412	414	anti-parallel
Strand 13	A	512	513	first strand
Strand 14	A	518	519	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	540	542	first strand
Strand 2	A	571	573	anti-parallel
Strand 3	A	588	590	first strand
Strand 4	A	605	607	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	612	614	anti-parallel
Strand 2	A	766	767	first strand

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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	799	800	anti-parallel
Strand 2	A	769	770	first strand

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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	A	773	774	anti-parallel
Strand 2	A	849	850	first strand
Strand 3	A	856	857	anti-parallel

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There are 2 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	863	865	anti-parallel
Strand 2	A	878	882	first strand

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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	A	953	957	anti-parallel
Strand 2	A	1282	1287	first strand

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There are 3 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	1303	1308	anti-parallel
Strand 2	A	1116	1119	anti-parallel
Strand 3	A	1328	1329	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	A	1141	1142	first strand
Strand 2	A	1272	1274	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	A	1225	1228	first strand
Strand 2	A	1237	1241	anti-parallel
Strand 3	A	1191	1197	anti-parallel
Strand 4	A	1147	1154	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	I	42	45	anti-parallel
Strand 2	A	1290	1292	first strand

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	1298	1300	anti-parallel
Strand 2	D	6	7	first strand
Strand 3	G	3	13	anti-parallel
Strand 4	G	68	79	anti-parallel
Strand 5	G	59	61	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	A	1441	1445	anti-parallel
Strand 2	F	132	137	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	143	147	anti-parallel
Strand 2	D	6	7	first strand
Strand 3	G	3	13	anti-parallel
Strand 4	G	68	79	anti-parallel
Strand 5	G	43	49	anti-parallel
Strand 6	G	38	39	anti-parallel
Strand 7	B	92	97	first strand

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	127	132	anti-parallel
Strand 2	B	165	169	anti-parallel
Strand 3	B	102	103	first strand
Strand 4	B	109	110	anti-parallel
Strand 5	B	203	205	first strand

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	208	212	anti-parallel
Strand 2	B	480	482	anti-parallel
Strand 3	B	404	407	first strand

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	214	218	anti-parallel
Strand 2	B	497	499	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	536	538	anti-parallel
Strand 2	B	222	227	first strand
Strand 3	B	234	242	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	252	259	anti-parallel
Strand 2	B	269	272	anti-parallel
Strand 3	B	280	281	anti-parallel
Strand 4	B	544	545	first strand

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	633	641	anti-parallel
Strand 2	B	650	651	first strand
Strand 3	B	633	641	parallel
Strand 4	B	690	694	first strand
Strand 5	B	633	641	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	B	703	704	first strand
Strand 2	B	740	741	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	633	641	anti-parallel
Strand 2	B	650	651	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	703	704	first strand
Strand 2	B	740	741	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	633	641	anti-parallel
Strand 2	B	690	694	anti-parallel
Strand 3	B	563	565	first strand
Strand 4	B	585	590	anti-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	B	578	582	anti-parallel
Strand 2	B	623	627	parallel
Strand 3	B	614	618	anti-parallel
Strand 4	B	793	796	first strand

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	853	862	anti-parallel
Strand 2	B	962	972	anti-parallel
Strand 3	B	947	956	anti-parallel
Strand 4	B	904	905	anti-parallel
Strand 5	B	804	805	first strand

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	1042	1043	parallel
Strand 2	B	980	982	first strand
Strand 3	B	1080	1094	anti-parallel
Strand 4	B	989	994	first strand
Strand 5	B	838	842	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	1010	1012	anti-parallel
Strand 2	B	820	827	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	1080	1094	anti-parallel
Strand 2	B	1069	1073	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	1001	1002	anti-parallel
Strand 2	B	989	994	first strand
Strand 3	B	838	842	parallel
Strand 4	B	1010	1012	anti-parallel
Strand 5	B	820	827	parallel
Strand 6	B	1080	1094	anti-parallel
Strand 7	B	980	982	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	873	874	first strand
Strand 2	B	914	915	anti-parallel
Strand 3	B	910	912	first strand
Strand 4	B	939	940	anti-parallel
Strand 5	B	1157	1163	first strand
Strand 6	B	1191	1197	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	7	13	first strand
Strand 2	C	17	23	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	228	234	anti-parallel
Strand 2	C	173	179	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	118	120	first strand
Strand 2	C	97	104	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	152	160	anti-parallel
Strand 2	C	45	54	anti-parallel
Strand 3	L	66	67	anti-parallel
Strand 4	C	111	114	first strand

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There are 5 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	143	147	anti-parallel
Strand 2	D	36	38	first strand
Strand 3	D	44	46	anti-parallel
Strand 4	E	60	62	first strand
Strand 5	E	78	82	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	E	107	112	parallel
Strand 2	E	131	136	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	E	87	88	first strand
Strand 2	E	115	116	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	152	155	first strand
Strand 2	E	195	202	anti-parallel
Strand 3	E	206	214	anti-parallel
Strand 4	E	177	178	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	86	95	first strand
Strand 2	G	142	153	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	98	103	first strand
Strand 2	G	106	111	first strand
Strand 3	G	156	162	first strand
Strand 4	G	169	170	first strand

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There are 12 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	142	153	anti-parallel
Strand 2	G	120	122	first strand
Strand 3	G	129	131	anti-parallel
Strand 4	G	136	138	anti-parallel
Strand 5	H	7	16	first strand
Strand 6	H	54	58	anti-parallel
Strand 7	H	23	30	first strand
Strand 8	H	37	43	first strand
Strand 9	H	95	106	first strand
Strand 10	H	140	145	anti-parallel
Strand 11	H	112	118	first strand
Strand 12	H	121	127	first strand

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	54	58	anti-parallel
Strand 2	I	15	19	first strand
Strand 3	I	24	28	anti-parallel

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There are 16 strands in HA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	35	37	anti-parallel
Strand 2	I	70	71	first strand
Strand 3	I	83	87	anti-parallel
Strand 4	I	99	103	anti-parallel
Strand 5	I	109	111	anti-parallel
Strand 6	K	19	23	first strand
Strand 7	K	30	36	anti-parallel
Strand 8	K	70	77	anti-parallel
Strand 9	K	56	62	anti-parallel
Strand 10		0	0	first strand
Strand 11		0	0	first strand
Strand 12		0	0	first strand
Strand 13		0	0	first strand
Strand 14		0	0	first strand
Strand 15		0	0	first strand
Strand 16		0	0	first strand

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1		0	0	first strand
Strand 2		0	0	first strand
Strand 3		0	0	first strand

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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		0	0	first strand
Strand 2		0	0	first strand
Strand 3		0	0	first strand
Strand 4		0	0	first strand

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1		0	0	first strand
Strand 2		0	0	first strand
Strand 3		0	0	first strand
Strand 4		0	0	first strand

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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: 4A3B

Analysis of interatomic Contacts of Structural Units in PDB entry:
4A3B