Analysis of interatomic Contacts of Structural Units in PDB entry:
4I3H

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 4I3H entry

There are 4 chains in PDB entry 4I3H (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
E	A 2	A 15
F	T 2	T 15
A	ALA 24	ASP 1484
B	GLU 20	GLU 334

There are 78 helices in PDB entry 4I3H. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	28	33	Right-handed alpha
Helix 2	2	A	40	58	Right-handed alpha
Helix 3	3	A	95	101	Right-handed alpha
Helix 4	4	A	125	130	Right-handed alpha
Helix 5	5	A	189	202	Right-handed alpha
Helix 6	6	A	226	236	Right-handed alpha
Helix 7	7	A	284	304	Right-handed alpha
Helix 8	8	A	317	322	Right-handed 310
Helix 9	9	A	351	371	Right-handed alpha
Helix 10	10	A	372	394	Right-handed alpha
Helix 11	11	A	434	445	Right-handed alpha
Helix 12	12	A	466	472	Right-handed alpha
Helix 13	13	A	473	484	Right-handed alpha
Helix 14	14	A	508	525	Right-handed alpha
Helix 15	15	A	526	532	Right-handed alpha
Helix 16	16	A	582	586	Right-handed 310
Helix 17	17	A	587	595	Right-handed alpha
Helix 18	18	A	610	623	Right-handed alpha
Helix 19	19	A	625	637	Right-handed alpha
Helix 20	20	A	1009	1027	Right-handed alpha
Helix 21	21	A	1038	1051	Right-handed alpha
Helix 22	22	A	1062	1073	Right-handed alpha
Helix 23	23	A	1077	1088	Right-handed alpha
Helix 24	24	A	1124	1131	Right-handed alpha
Helix 25	25	A	1133	1137	Right-handed 310
Helix 26	26	A	1160	1165	Right-handed alpha
Helix 27	27	A	1182	1196	Right-handed alpha
Helix 28	28	A	1200	1205	Right-handed alpha
Helix 29	29	A	1221	1232	Right-handed alpha
Helix 30	30	A	1264	1277	Right-handed alpha
Helix 31	31	A	1307	1319	Right-handed alpha
Helix 32	32	A	1341	1383	Right-handed alpha
Helix 33	33	A	1384	1395	Right-handed alpha
Helix 34	34	A	1398	1410	Right-handed alpha
Helix 35	35	A	1412	1421	Right-handed alpha
Helix 36	36	A	1423	1429	Right-handed 310
Helix 37	37	A	1431	1455	Right-handed alpha
Helix 38	38	A	1455	1475	Right-handed alpha
Helix 39	39	B	22	28	Right-handed alpha
Helix 40	40	B	28	33	Right-handed alpha
Helix 41	41	B	38	58	Right-handed alpha
Helix 42	42	B	95	101	Right-handed alpha
Helix 43	43	B	125	130	Right-handed alpha
Helix 44	44	B	189	204	Right-handed alpha
Helix 45	45	B	215	217	Right-handed 310
Helix 46	46	B	227	236	Right-handed alpha
Helix 47	47	B	284	305	Right-handed alpha
Helix 48	48	B	333	337	Right-handed 310
Helix 49	49	B	351	367	Right-handed alpha
Helix 50	50	B	372	399	Right-handed alpha
Helix 51	51	B	434	445	Right-handed alpha
Helix 52	52	B	466	473	Right-handed alpha
Helix 53	53	B	473	483	Right-handed alpha
Helix 54	54	B	492	496	Right-handed 310
Helix 55	55	B	508	526	Right-handed alpha
Helix 56	56	B	526	533	Right-handed alpha
Helix 57	57	B	582	586	Right-handed 310
Helix 58	58	B	587	596	Right-handed alpha
Helix 59	59	B	611	622	Right-handed alpha
Helix 60	60	B	625	637	Right-handed alpha
Helix 61	61	B	1009	1027	Right-handed alpha
Helix 62	62	B	1038	1051	Right-handed alpha
Helix 63	63	B	1062	1073	Right-handed alpha
Helix 64	64	B	1077	1088	Right-handed alpha
Helix 65	65	B	1124	1132	Right-handed alpha
Helix 66	66	B	1160	1165	Right-handed alpha
Helix 67	67	B	1182	1195	Right-handed alpha
Helix 68	68	B	1200	1205	Right-handed alpha
Helix 69	69	B	1221	1232	Right-handed alpha
Helix 70	70	B	1264	1279	Right-handed alpha
Helix 71	71	B	1307	1319	Right-handed alpha
Helix 72	72	B	1341	1384	Right-handed alpha
Helix 73	73	B	1385	1394	Right-handed alpha
Helix 74	74	B	1397	1407	Right-handed alpha
Helix 75	75	B	1412	1421	Right-handed alpha
Helix 76	76	B	1423	1427	Right-handed 310
Helix 77	77	B	1431	1455	Right-handed alpha
Helix 78	78	B	1457	1475	Right-handed alpha

There are 20 sheets in PDB entry 4I3H. 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,

There are 3 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	154	155	first strand
Strand 2	A	143	150	anti-parallel
Strand 3	A	160	164	anti-parallel

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There are 8 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	154	155	first strand
Strand 2	A	143	150	anti-parallel
Strand 3	A	131	140	anti-parallel
Strand 4	A	171	178	anti-parallel
Strand 5	A	74	78	anti-parallel
Strand 6	A	63	68	anti-parallel
Strand 7	A	208	213	parallel
Strand 8	A	218	222	anti-parallel

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There are 5 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	246	252	first strand
Strand 2	A	255	263	anti-parallel
Strand 3	A	324	331	anti-parallel
Strand 4	A	270	275	parallel
Strand 5	A	278	279	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	450	455	first strand
Strand 2	A	428	433	parallel
Strand 3	A	500	503	parallel
Strand 4	A	535	538	parallel
Strand 5	A	603	607	anti-parallel
Strand 6	A	1004	1008	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	543	544	first strand
Strand 2	A	557	558	anti-parallel

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There are 3 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	1060	1061	first strand
Strand 2	A	1120	1123	anti-parallel
Strand 3	A	1099	1102	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	1141	1143	first strand
Strand 2	A	1150	1152	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	A	1167	1168	first strand
Strand 2	A	1177	1178	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	1322	1328	first strand
Strand 2	A	1233	1239	anti-parallel
Strand 3	A	1218	1220	anti-parallel
Strand 4	A	1481	1483	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	A	1241	1246	first strand
Strand 2	A	1252	1258	anti-parallel
Strand 3	A	1298	1302	anti-parallel
Strand 4	A	1284	1289	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	A	1330	1332	first strand
Strand 2	A	1337	1339	anti-parallel

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There are 8 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	160	161	first strand
Strand 2	B	144	150	anti-parallel
Strand 3	B	133	139	anti-parallel
Strand 4	B	171	177	anti-parallel
Strand 5	B	74	78	anti-parallel
Strand 6	B	63	68	anti-parallel
Strand 7	B	208	213	parallel
Strand 8	B	218	222	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	246	249	first strand
Strand 2	B	256	263	anti-parallel
Strand 3	B	324	331	anti-parallel
Strand 4	B	270	275	parallel
Strand 5	B	278	280	anti-parallel

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There are 6 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	450	455	first strand
Strand 2	B	428	433	parallel
Strand 3	B	500	504	parallel
Strand 4	B	535	538	parallel
Strand 5	B	603	607	anti-parallel
Strand 6	B	1006	1008	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	B	1060	1061	first strand
Strand 2	B	1120	1123	anti-parallel
Strand 3	B	1099	1102	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	1141	1143	first strand
Strand 2	B	1150	1152	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	B	1167	1170	first strand
Strand 2	B	1175	1178	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	1322	1328	first strand
Strand 2	B	1233	1239	anti-parallel
Strand 3	B	1218	1220	anti-parallel
Strand 4	B	1481	1483	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	1241	1246	first strand
Strand 2	B	1252	1258	anti-parallel
Strand 3	B	1298	1302	anti-parallel
Strand 4	B	1284	1289	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	1330	1332	first strand
Strand 2	B	1337	1339	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: 4I3H

Analysis of interatomic Contacts of Structural Units in PDB entry:
4I3H