Analysis of interatomic Contacts of Structural Units in PDB entry:
4O9D

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 4O9D entry

There are 2 chains in PDB entry 4O9D (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
B	GLU 225	GLU 633
A	LEU 221	GLU 633

There are 6 helices in PDB entry 4O9D. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	B	225	229	Right-handed 310
Helix 2	2	B	383	389	Right-handed alpha
Helix 3	3	A	225	229	Right-handed 310
Helix 4	4	A	383	389	Right-handed alpha
Helix 5	5	A	400	404	Right-handed 310
Helix 6	6	A	416	419	Right-handed 310

There are 18 sheets in PDB entry 4O9D. 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,

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	B	231	236	first strand
Strand 2	B	613	617	anti-parallel
Strand 3	B	603	608	anti-parallel
Strand 4	B	592	597	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	B	243	248	first strand
Strand 2	B	254	259	anti-parallel
Strand 3	B	272	276	anti-parallel
Strand 4	B	281	284	anti-parallel
Strand 5	B	630	632	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	289	291	first strand
Strand 2	B	297	299	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	B	302	307	first strand
Strand 2	B	313	318	anti-parallel
Strand 3	B	323	327	anti-parallel
Strand 4	B	332	336	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	B	343	348	first strand
Strand 2	B	354	358	anti-parallel
Strand 3	B	363	368	anti-parallel
Strand 4	B	375	381	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	B	392	399	first strand
Strand 2	B	408	414	anti-parallel
Strand 3	B	424	429	anti-parallel
Strand 4	B	434	438	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	B	445	451	first strand
Strand 2	B	457	463	anti-parallel
Strand 3	B	468	474	anti-parallel
Strand 4	B	479	486	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	B	491	496	first strand
Strand 2	B	502	507	anti-parallel
Strand 3	B	511	516	anti-parallel
Strand 4	B	525	528	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	551	554	first strand
Strand 2	B	561	564	anti-parallel
Strand 3	B	569	573	anti-parallel
Strand 4	B	581	587	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	231	236	first strand
Strand 2	A	612	617	anti-parallel
Strand 3	A	603	608	anti-parallel
Strand 4	A	592	597	anti-parallel

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There are 5 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	243	248	first strand
Strand 2	A	254	259	anti-parallel
Strand 3	A	272	276	anti-parallel
Strand 4	A	281	284	anti-parallel
Strand 5	A	630	631	parallel

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There are 2 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	289	291	first strand
Strand 2	A	297	299	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	302	307	first strand
Strand 2	A	313	318	anti-parallel
Strand 3	A	323	327	anti-parallel
Strand 4	A	332	336	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	343	348	first strand
Strand 2	A	354	358	anti-parallel
Strand 3	A	363	368	anti-parallel
Strand 4	A	375	381	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	392	399	first strand
Strand 2	A	408	415	anti-parallel
Strand 3	A	420	429	anti-parallel
Strand 4	A	434	438	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	445	451	first strand
Strand 2	A	457	463	anti-parallel
Strand 3	A	468	474	anti-parallel
Strand 4	A	479	486	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	491	496	first strand
Strand 2	A	502	507	anti-parallel
Strand 3	A	511	516	anti-parallel
Strand 4	A	525	528	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	A	551	554	first strand
Strand 2	A	561	564	anti-parallel
Strand 3	A	569	573	anti-parallel
Strand 4	A	581	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: 4O9D

Analysis of interatomic Contacts of Structural Units in PDB entry:
4O9D