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

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 3LFI entry

There are 2 chains in PDB entry 3LFI (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	SER 20	ARG 653
B	SER 20	ARG 653

There are 24 helices in PDB entry 3LFI. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	32	36	Right-handed 310
Helix 2	2	A	126	130	Right-handed 310
Helix 3	3	A	163	166	Right-handed 310
Helix 4	4	A	197	204	Right-handed alpha
Helix 5	5	A	213	224	Right-handed alpha
Helix 6	6	A	225	229	Right-handed 310
Helix 7	7	A	253	255	Right-handed 310
Helix 8	8	A	380	387	Right-handed alpha
Helix 9	9	A	411	416	Right-handed alpha
Helix 10	10	A	438	443	Right-handed alpha
Helix 11	11	A	468	478	Right-handed alpha
Helix 12	12	A	515	521	Right-handed 310
Helix 13	13	A	558	562	Right-handed 310
Helix 14	14	B	32	36	Right-handed 310
Helix 15	15	B	126	130	Right-handed 310
Helix 16	16	B	197	204	Right-handed alpha
Helix 17	17	B	213	223	Right-handed alpha
Helix 18	18	B	253	255	Right-handed 310
Helix 19	19	B	380	387	Right-handed alpha
Helix 20	20	B	411	416	Right-handed alpha
Helix 21	21	B	438	443	Right-handed alpha
Helix 22	22	B	468	478	Right-handed alpha
Helix 23	23	B	515	519	Right-handed 310
Helix 24	24	B	558	562	Right-handed 310

There are 22 sheets in PDB entry 3LFI. 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,

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	65	66	first strand
Strand 2	A	73	79	anti-parallel
Strand 3	A	84	89	anti-parallel
Strand 4	A	104	106	anti-parallel

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There are 5 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	96	97	first strand
Strand 2	A	84	89	anti-parallel
Strand 3	A	73	79	anti-parallel
Strand 4	A	56	61	anti-parallel
Strand 5	A	417	418	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	116	123	first strand
Strand 2	A	132	138	anti-parallel
Strand 3	A	154	162	anti-parallel
Strand 4	A	167	170	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	186	195	first strand
Strand 2	A	232	239	anti-parallel
Strand 3	A	243	251	anti-parallel
Strand 4	A	262	270	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	290	299	first strand
Strand 2	A	310	319	anti-parallel
Strand 3	A	331	343	anti-parallel
Strand 4	A	352	363	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	368	376	first strand
Strand 2	A	392	399	anti-parallel
Strand 3	A	420	421	anti-parallel

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There are 5 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	368	376	first strand
Strand 2	A	392	399	anti-parallel
Strand 3	A	425	436	anti-parallel
Strand 4	A	457	467	anti-parallel
Strand 5	A	449	453	anti-parallel

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There are 3 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	480	484	first strand
Strand 2	A	635	644	anti-parallel
Strand 3	A	487	489	anti-parallel

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There are 6 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	480	484	first strand
Strand 2	A	635	644	anti-parallel
Strand 3	A	505	513	anti-parallel
Strand 4	A	590	597	anti-parallel
Strand 5	A	600	605	anti-parallel
Strand 6	A	609	614	anti-parallel

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There are 6 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	493	496	first strand
Strand 2	A	624	629	anti-parallel
Strand 3	A	524	531	anti-parallel
Strand 4	A	537	542	anti-parallel
Strand 5	A	547	551	anti-parallel
Strand 6	A	570	573	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	578	580	first strand
Strand 2	A	585	587	anti-parallel

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There are 3 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	96	97	first strand
Strand 2	B	84	89	anti-parallel
Strand 3	B	104	106	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	96	97	first strand
Strand 2	B	84	89	anti-parallel
Strand 3	B	73	79	anti-parallel
Strand 4	B	56	66	anti-parallel
Strand 5	B	417	418	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	B	116	123	first strand
Strand 2	B	132	138	anti-parallel
Strand 3	B	154	162	anti-parallel
Strand 4	B	167	170	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	B	186	195	first strand
Strand 2	B	232	239	anti-parallel
Strand 3	B	243	251	anti-parallel
Strand 4	B	262	270	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	B	290	299	first strand
Strand 2	B	310	319	anti-parallel
Strand 3	B	331	343	anti-parallel
Strand 4	B	352	363	anti-parallel

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There are 3 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	368	376	first strand
Strand 2	B	392	399	anti-parallel
Strand 3	B	420	421	anti-parallel

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There are 5 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	368	376	first strand
Strand 2	B	392	399	anti-parallel
Strand 3	B	425	436	anti-parallel
Strand 4	B	457	467	anti-parallel
Strand 5	B	449	453	anti-parallel

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There are 3 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	480	483	first strand
Strand 2	B	635	644	anti-parallel
Strand 3	B	487	489	anti-parallel

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There are 6 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	480	483	first strand
Strand 2	B	635	644	anti-parallel
Strand 3	B	505	513	anti-parallel
Strand 4	B	590	597	anti-parallel
Strand 5	B	600	605	anti-parallel
Strand 6	B	609	614	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	493	496	first strand
Strand 2	B	624	629	anti-parallel
Strand 3	B	524	531	anti-parallel
Strand 4	B	537	542	anti-parallel
Strand 5	B	547	551	anti-parallel
Strand 6	B	570	573	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	578	580	first strand
Strand 2	B	585	587	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: 3LFI

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