Analysis of interatomic Contacts of Structural Units in PDB entry:
3EI1

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 3EI1 entry

There are 5 chains in PDB entry 3EI1 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	MET 1	HIS 1140
B	GLY 101	GLU 455
G	A 1	A 6
G	G 9	C 14
H	T 1	G 14

There are 15 helices in PDB entry 3EI1. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	250	255	Right-handed alpha
Helix 2	2	A	381	384	Right-handed 310
Helix 3	3	A	728	730	Right-handed 310
Helix 4	4	A	985	990	Right-handed alpha
Helix 5	5	A	1044	1062	Right-handed alpha
Helix 6	6	A	1064	1068	Right-handed 310
Helix 7	7	A	1069	1075	Right-handed alpha
Helix 8	8	A	1091	1096	Right-handed alpha
Helix 9	9	A	1097	1100	Right-handed 310
Helix 10	10	A	1101	1109	Right-handed alpha
Helix 11	11	A	1125	1137	Right-handed alpha
Helix 12	12	A	1138	1140	Right-handed 310
Helix 13	13	B	104	114	Right-handed alpha
Helix 14	14	B	118	135	Right-handed alpha
Helix 15	15	B	355	357	Right-handed 310

There are 31 sheets in PDB entry 3EI1. 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,

There are 5 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	1004	1009	first strand
Strand 2	A	1025	1032	anti-parallel
Strand 3	A	1037	1043	anti-parallel
Strand 4	A	3	10	anti-parallel
Strand 5	A	1088	1090	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	17	21	first strand
Strand 2	A	30	35	anti-parallel
Strand 3	A	38	43	anti-parallel
Strand 4	A	50	56	anti-parallel

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There are 4 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	61	67	first strand
Strand 2	A	76	81	anti-parallel
Strand 3	A	85	94	anti-parallel
Strand 4	A	97	107	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	121	124	first strand
Strand 2	A	130	134	anti-parallel
Strand 3	A	139	144	anti-parallel
Strand 4	A	155	158	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	164	169	first strand
Strand 2	A	177	184	anti-parallel
Strand 3	A	187	196	anti-parallel
Strand 4	A	201	204	anti-parallel

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There are 4 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	164	169	first strand
Strand 2	A	177	184	anti-parallel
Strand 3	A	187	196	anti-parallel
Strand 4	A	210	212	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	218	221	first strand
Strand 2	A	229	232	anti-parallel
Strand 3	A	237	241	anti-parallel
Strand 4	A	244	248	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	A	258	263	first strand
Strand 2	A	270	275	anti-parallel
Strand 3	A	279	288	anti-parallel
Strand 4	A	296	307	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	313	318	first strand
Strand 2	A	321	325	anti-parallel
Strand 3	A	331	336	anti-parallel
Strand 4	A	347	353	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	A	359	365	first strand
Strand 2	A	374	379	anti-parallel
Strand 3	A	386	392	anti-parallel
Strand 4	A	710	716	anti-parallel

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There are 4 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	396	403	first strand
Strand 2	A	698	704	anti-parallel
Strand 3	A	690	694	anti-parallel
Strand 4	A	678	682	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	407	413	first strand
Strand 2	A	424	429	anti-parallel
Strand 3	A	432	439	anti-parallel
Strand 4	A	442	446	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	457	463	first strand
Strand 2	A	467	472	anti-parallel
Strand 3	A	476	480	anti-parallel
Strand 4	A	486	490	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	A	500	503	first strand
Strand 2	A	507	512	anti-parallel
Strand 3	A	515	521	anti-parallel
Strand 4	A	526	533	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	A	538	542	first strand
Strand 2	A	555	560	anti-parallel
Strand 3	A	565	570	anti-parallel
Strand 4	A	576	581	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	A	588	596	first strand
Strand 2	A	599	606	anti-parallel
Strand 3	A	610	616	anti-parallel
Strand 4	A	623	630	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	637	643	first strand
Strand 2	A	646	652	anti-parallel
Strand 3	A	657	661	anti-parallel
Strand 4	A	666	670	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	720	727	first strand
Strand 2	A	732	743	anti-parallel
Strand 3	A	749	751	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	A	720	727	first strand
Strand 2	A	732	743	anti-parallel
Strand 3	A	785	795	anti-parallel
Strand 4	A	801	806	anti-parallel
Strand 5	A	762	765	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	A	811	819	first strand
Strand 2	A	828	835	anti-parallel
Strand 3	A	846	853	anti-parallel
Strand 4	A	858	866	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	873	876	first strand
Strand 2	A	879	884	anti-parallel
Strand 3	A	887	893	anti-parallel
Strand 4	A	899	905	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	911	917	first strand
Strand 2	A	920	925	anti-parallel
Strand 3	A	930	935	anti-parallel
Strand 4	A	942	947	anti-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	A	954	961	first strand
Strand 2	A	964	969	anti-parallel
Strand 3	A	973	978	anti-parallel
Strand 4	A	993	999	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	A	1076	1077	first strand
Strand 2	A	1082	1083	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	B	137	143	first strand
Strand 2	B	448	454	anti-parallel
Strand 3	B	441	445	anti-parallel
Strand 4	B	431	434	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	150	155	first strand
Strand 2	B	162	167	anti-parallel
Strand 3	B	172	176	anti-parallel
Strand 4	B	183	186	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	B	195	200	first strand
Strand 2	B	207	212	anti-parallel
Strand 3	B	216	221	anti-parallel
Strand 4	B	226	229	anti-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	B	240	246	first strand
Strand 2	B	251	256	anti-parallel
Strand 3	B	260	265	anti-parallel
Strand 4	B	270	275	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	281	287	first strand
Strand 2	B	290	298	anti-parallel
Strand 3	B	302	307	anti-parallel
Strand 4	B	317	322	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	327	332	first strand
Strand 2	B	339	344	anti-parallel
Strand 3	B	348	353	anti-parallel
Strand 4	B	362	365	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	B	380	381	first strand
Strand 2	B	387	391	anti-parallel
Strand 3	B	406	410	anti-parallel
Strand 4	B	416	420	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: 3EI1

Analysis of interatomic Contacts of Structural Units in PDB entry:
3EI1