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

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 4LXC entry

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

Chain ID	Initial residue	Terminal residue
A	ALA 248	LYS 493
B	SER 254	LYS 493
C	ALA 249	LYS 493
D	ALA 249	LEU 494

There are 8 helices in PDB entry 4LXC. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	255	261	Right-handed 310
Helix 2	2	A	378	385	Right-handed alpha
Helix 3	3	B	256	261	Right-handed 310
Helix 4	4	B	378	385	Right-handed alpha
Helix 5	5	C	256	260	Right-handed 310
Helix 6	6	C	378	386	Right-handed alpha
Helix 7	7	D	255	261	Right-handed 310
Helix 8	8	D	378	386	Right-handed alpha

There are 23 sheets in PDB entry 4LXC. 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,

There are 2 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	268	269	first strand
Strand 2	A	278	279	anti-parallel

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There are 6 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	282	285	first strand
Strand 2	A	360	367	anti-parallel
Strand 3	A	323	328	anti-parallel
Strand 4	A	311	318	anti-parallel
Strand 5	A	298	306	anti-parallel
Strand 6	A	340	341	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	291	293	first strand
Strand 2	A	346	350	anti-parallel
Strand 3	A	330	333	anti-parallel

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There are 3 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	389	390	first strand
Strand 2	B	423	427	parallel
Strand 3	B	437	441	anti-parallel

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There are 6 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	403	404	first strand
Strand 2	A	410	420	anti-parallel
Strand 3	A	447	455	anti-parallel
Strand 4	A	458	464	anti-parallel
Strand 5	A	470	479	anti-parallel
Strand 6	A	484	485	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	403	404	first strand
Strand 2	A	410	420	anti-parallel
Strand 3	A	490	492	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	424	427	first strand
Strand 2	A	437	441	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	B	268	269	first strand
Strand 2	B	278	279	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	B	282	285	first strand
Strand 2	B	360	366	anti-parallel
Strand 3	B	324	328	anti-parallel
Strand 4	B	311	318	anti-parallel
Strand 5	B	298	306	anti-parallel
Strand 6	B	340	341	anti-parallel

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There are 3 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	282	285	first strand
Strand 2	B	360	366	anti-parallel
Strand 3	B	375	376	anti-parallel

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There are 3 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	291	293	first strand
Strand 2	B	346	350	anti-parallel
Strand 3	B	330	333	anti-parallel

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There are 5 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	403	404	first strand
Strand 2	B	410	420	anti-parallel
Strand 3	B	447	455	anti-parallel
Strand 4	B	458	464	anti-parallel
Strand 5	B	470	477	anti-parallel

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There are 3 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	403	404	first strand
Strand 2	B	410	420	anti-parallel
Strand 3	B	490	492	anti-parallel

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There are 7 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	262	263	first strand
Strand 2	C	282	285	anti-parallel
Strand 3	C	360	363	anti-parallel
Strand 4	C	323	333	anti-parallel
Strand 5	C	311	318	anti-parallel
Strand 6	C	298	306	anti-parallel
Strand 7	C	340	341	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	C	291	293	first strand
Strand 2	C	346	350	anti-parallel
Strand 3	C	323	333	anti-parallel
Strand 4	C	366	367	anti-parallel

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There are 5 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	403	404	first strand
Strand 2	C	410	420	anti-parallel
Strand 3	C	447	455	anti-parallel
Strand 4	C	458	464	anti-parallel
Strand 5	C	470	477	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	C	403	404	first strand
Strand 2	C	410	420	anti-parallel
Strand 3	C	490	492	anti-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	424	427	first strand
Strand 2	C	437	441	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	D	268	269	first strand
Strand 2	D	278	279	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	D	282	285	first strand
Strand 2	D	360	367	anti-parallel
Strand 3	D	323	333	anti-parallel
Strand 4	D	311	318	anti-parallel
Strand 5	D	298	306	anti-parallel
Strand 6	D	340	341	anti-parallel

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There are 5 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	291	293	first strand
Strand 2	D	346	350	anti-parallel
Strand 3	D	323	333	anti-parallel
Strand 4	D	360	367	anti-parallel
Strand 5	D	375	376	anti-parallel

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There are 7 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	403	404	first strand
Strand 2	D	410	420	anti-parallel
Strand 3	D	447	455	anti-parallel
Strand 4	D	458	464	anti-parallel
Strand 5	D	470	477	anti-parallel
Strand 6	D	424	428	anti-parallel
Strand 7	D	437	441	anti-parallel

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There are 3 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	403	404	first strand
Strand 2	D	410	420	anti-parallel
Strand 3	D	490	493	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: 4LXC

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