Analysis of interatomic Contacts of Structural Units in PDB entry:
4L9O

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 4L9O entry

There are 2 chains in PDB entry 4L9O (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	SER 1027	ASP 2299
B	THR 1043	VAL 2298

There are 4 helices in PDB entry 4L9O. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	2074	2078	Right-handed 310
Helix 2	2	A	2120	2124	Right-handed 310
Helix 3	3	B	2074	2078	Right-handed 310
Helix 4	4	B	2120	2124	Right-handed 310

There are 15 sheets in PDB entry 4L9O. 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,

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	1047	1052	first strand
Strand 2	A	1055	1059	anti-parallel
Strand 3	A	1072	1076	anti-parallel
Strand 4	A	1086	2016	anti-parallel

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There are 2 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	1062	1063	first strand
Strand 2	A	1069	1070	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	2023	2028	first strand
Strand 2	A	2034	2039	anti-parallel
Strand 3	A	2043	2048	anti-parallel
Strand 4	A	2055	2061	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	2067	2072	first strand
Strand 2	A	2079	2085	anti-parallel
Strand 3	A	2090	2096	anti-parallel
Strand 4	A	2099	2106	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	2113	2118	first strand
Strand 2	A	2126	2131	anti-parallel
Strand 3	A	2135	2140	anti-parallel
Strand 4	A	2150	2153	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	2159	2164	first strand
Strand 2	A	2175	2180	anti-parallel
Strand 3	A	2185	2191	anti-parallel
Strand 4	A	2196	2203	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	2210	2215	first strand
Strand 2	A	2223	2229	anti-parallel
Strand 3	A	2234	2239	anti-parallel
Strand 4	A	2246	2250	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	2260	2265	first strand
Strand 2	A	2272	2276	anti-parallel
Strand 3	A	2281	2286	anti-parallel
Strand 4	A	2292	2297	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	B	1047	1051	first strand
Strand 2	B	1055	1061	anti-parallel
Strand 3	B	1071	1076	anti-parallel
Strand 4	B	2013	2016	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	B	2023	2028	first strand
Strand 2	B	2034	2039	anti-parallel
Strand 3	B	2043	2050	anti-parallel
Strand 4	B	2053	2061	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	B	2067	2072	first strand
Strand 2	B	2079	2085	anti-parallel
Strand 3	B	2090	2095	anti-parallel
Strand 4	B	2100	2106	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	B	2113	2118	first strand
Strand 2	B	2126	2131	anti-parallel
Strand 3	B	2135	2140	anti-parallel
Strand 4	B	2150	2153	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	B	2159	2164	first strand
Strand 2	B	2175	2180	anti-parallel
Strand 3	B	2185	2191	anti-parallel
Strand 4	B	2196	2203	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	B	2210	2215	first strand
Strand 2	B	2223	2229	anti-parallel
Strand 3	B	2234	2239	anti-parallel
Strand 4	B	2247	2250	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	2260	2265	first strand
Strand 2	B	2272	2276	anti-parallel
Strand 3	B	2281	2286	anti-parallel
Strand 4	B	2292	2297	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: 4L9O

Analysis of interatomic Contacts of Structural Units in PDB entry:
4L9O