Analysis of interatomic Contacts of Structural Units in PDB entry:
1C4P

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 1C4P entry

There are 4 chains in PDB entry 1C4P (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	LYS 149	ASP 285
B	LYS 149	ASP 285
C	LYS 149	GLY 280
D	LYS 149	GLY 280

There are 4 helices in PDB entry 1C4P. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	196	210	Right-handed alpha
Helix 2	2	B	196	210	Right-handed alpha
Helix 3	3	C	196	210	Right-handed alpha
Helix 4	4	D	196	210	Right-handed alpha

There are 14 sheets in PDB entry 1C4P. 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,

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	221	226	first strand
Strand 2	A	266	276	anti-parallel
Strand 3	A	158	168	parallel
Strand 4	A	183	188	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	193	195	first strand
Strand 2	A	242	244	anti-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	A	214	219	first strand
Strand 2	A	274	278	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	221	226	first strand
Strand 2	B	266	276	anti-parallel
Strand 3	B	158	168	parallel
Strand 4	B	183	188	anti-parallel

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There are 2 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	193	195	first strand
Strand 2	B	242	244	anti-parallel

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There are 2 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	214	219	first strand
Strand 2	B	274	278	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	C	233	235	first strand
Strand 2	C	221	226	anti-parallel
Strand 3	C	266	276	anti-parallel
Strand 4	C	158	168	parallel
Strand 5	C	183	188	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	C	193	195	first strand
Strand 2	C	242	244	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	252	254	first strand
Strand 2	C	261	263	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	215	219	first strand
Strand 2	C	274	277	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	D	232	235	first strand
Strand 2	D	221	226	anti-parallel
Strand 3	D	266	276	anti-parallel
Strand 4	D	158	168	parallel
Strand 5	D	183	188	anti-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	D	193	195	first strand
Strand 2	D	242	244	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	252	255	first strand
Strand 2	D	260	263	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	214	219	first strand
Strand 2	D	274	278	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: 1C4P

Analysis of interatomic Contacts of Structural Units in PDB entry:
1C4P