Analysis of interatomic Contacts of Structural Units in PDB entry:
2B4I

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 2B4I entry

There are 3 chains in PDB entry 2B4I (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	MET 246	ASN 477
B	SER 244	ASN 477
C	MET 246	ASN 477

There are 3 helices in PDB entry 2B4I. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	359	363	Right-handed 310
Helix 2	2	B	359	363	Right-handed 310
Helix 3	3	C	359	363	Right-handed 310

There are 15 sheets in PDB entry 2B4I. 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	252	258	first strand
Strand 2	A	262	275	anti-parallel
Strand 3	A	462	475	anti-parallel
Strand 4	A	368	375	anti-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	278	283	first strand
Strand 2	A	290	297	anti-parallel
Strand 3	A	338	345	parallel
Strand 4	A	324	329	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	278	283	first strand
Strand 2	A	290	297	anti-parallel
Strand 3	A	338	345	parallel
Strand 4	A	450	451	anti-parallel

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There are 6 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	299	307	first strand
Strand 2	A	310	321	anti-parallel
Strand 3	A	350	357	anti-parallel
Strand 4	A	420	432	anti-parallel
Strand 5	A	401	415	anti-parallel
Strand 6	A	378	381	anti-parallel

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There are 3 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	385	386	first strand
Strand 2	A	396	399	anti-parallel
Strand 3	A	437	439	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	252	258	first strand
Strand 2	B	262	275	anti-parallel
Strand 3	B	462	475	anti-parallel
Strand 4	B	368	375	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	278	283	first strand
Strand 2	B	290	297	anti-parallel
Strand 3	B	338	345	parallel
Strand 4	B	324	329	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	278	283	first strand
Strand 2	B	290	297	anti-parallel
Strand 3	B	338	345	parallel
Strand 4	B	450	451	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	299	307	first strand
Strand 2	B	310	321	anti-parallel
Strand 3	B	350	357	anti-parallel
Strand 4	B	420	432	anti-parallel
Strand 5	B	401	415	anti-parallel
Strand 6	B	378	381	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	385	386	first strand
Strand 2	B	396	399	anti-parallel
Strand 3	B	437	439	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	C	252	258	first strand
Strand 2	C	262	275	anti-parallel
Strand 3	C	462	475	anti-parallel
Strand 4	C	367	375	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	C	278	283	first strand
Strand 2	C	290	297	anti-parallel
Strand 3	C	338	345	parallel
Strand 4	C	324	329	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	C	278	283	first strand
Strand 2	C	290	297	anti-parallel
Strand 3	C	338	345	parallel
Strand 4	C	450	451	anti-parallel

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There are 6 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	299	307	first strand
Strand 2	C	310	321	anti-parallel
Strand 3	C	350	357	anti-parallel
Strand 4	C	420	432	anti-parallel
Strand 5	C	401	415	anti-parallel
Strand 6	C	378	381	anti-parallel

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There are 3 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	385	386	first strand
Strand 2	C	396	399	anti-parallel
Strand 3	C	437	439	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: 2B4I

Analysis of interatomic Contacts of Structural Units in PDB entry:
2B4I