Analysis of interatomic Contacts of Structural Units in PDB entry:
4CH8

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 4CH8 entry

There are 16 chains in PDB entry 4CH8 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ASP 292	ILE 317
B	ILE 321	PHE 577
C	GLY 287	ASP 318
D	ILE 321	GLU 579
E	ALA 291	TYR 316
F	ILE 321	PHE 577
G	ASP 292	ASP 318
H	ILE 321	GLU 579
P	LEU 275	LEU 275
P	ASP 277	ASP 277
Q	ASP 274	LEU 275
Q	ASP 277	ASP 277
R	LEU 275	LEU 275
R	ASP 277	ASP 277
S	LEU 275	LEU 275
S	ASP 277	ASP 277

There are 36 helices in PDB entry 4CH8. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	299	303	Right-handed 310
Helix 2	2	A	308	316	Right-handed alpha
Helix 3	3	B	361	364	Right-handed 310
Helix 4	4	B	368	371	Right-handed 310
Helix 5	5	B	375	377	Right-handed 310
Helix 6	6	B	442	450	Right-handed alpha
Helix 7	7	B	489	496	Right-handed alpha
Helix 8	8	B	511	515	Right-handed 310
Helix 9	9	B	566	577	Right-handed alpha
Helix 10	10	C	299	303	Right-handed 310
Helix 11	11	C	308	318	Right-handed alpha
Helix 12	12	D	361	364	Right-handed 310
Helix 13	13	D	368	371	Right-handed 310
Helix 14	14	D	375	377	Right-handed 310
Helix 15	15	D	442	450	Right-handed alpha
Helix 16	16	D	489	496	Right-handed alpha
Helix 17	17	D	511	515	Right-handed 310
Helix 18	18	D	566	578	Right-handed alpha
Helix 19	19	E	299	303	Right-handed 310
Helix 20	20	E	308	316	Right-handed alpha
Helix 21	21	F	361	364	Right-handed 310
Helix 22	22	F	368	371	Right-handed 310
Helix 23	23	F	375	377	Right-handed 310
Helix 24	24	F	442	450	Right-handed alpha
Helix 25	25	F	489	496	Right-handed alpha
Helix 26	26	F	511	515	Right-handed 310
Helix 27	27	F	566	577	Right-handed alpha
Helix 28	28	G	299	303	Right-handed 310
Helix 29	29	G	308	318	Right-handed alpha
Helix 30	30	H	361	364	Right-handed 310
Helix 31	31	H	368	371	Right-handed 310
Helix 32	32	H	375	377	Right-handed 310
Helix 33	33	H	442	450	Right-handed alpha
Helix 34	34	H	489	496	Right-handed alpha
Helix 35	35	H	511	515	Right-handed 310
Helix 36	36	H	566	578	Right-handed alpha

There are 12 sheets in PDB entry 4CH8. Click on sheet of interest to get list of strands forming it: BA, BB, BC, A, DB, C, FA, FB, FC, HA, HB, HC,

There are 7 strands in BA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	325	326	first strand
Strand 2	B	481	486	anti-parallel
Strand 3	B	455	460	anti-parallel
Strand 4	B	528	532	anti-parallel
Strand 5	B	539	547	anti-parallel
Strand 6	B	558	562	anti-parallel
Strand 7	B	505	508	anti-parallel

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There are 7 strands in BB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	335	340	first strand
Strand 2	B	345	352	anti-parallel
Strand 3	B	357	360	anti-parallel
Strand 4	B	421	425	anti-parallel
Strand 5	B	397	406	anti-parallel
Strand 6	B	379	383	anti-parallel
Strand 7	B	335	340	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	366	367	first strand
Strand 2	B	372	373	anti-parallel

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There are 7 strands in A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	325	326	first strand
Strand 2	D	481	486	anti-parallel
Strand 3	D	455	460	anti-parallel
Strand 4	D	528	532	anti-parallel
Strand 5	D	539	547	anti-parallel
Strand 6	D	558	562	anti-parallel
Strand 7	D	505	508	anti-parallel

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There are 7 strands in DB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	335	340	first strand
Strand 2	D	345	352	anti-parallel
Strand 3	D	357	360	anti-parallel
Strand 4	D	421	425	anti-parallel
Strand 5	D	397	406	anti-parallel
Strand 6	D	379	383	anti-parallel
Strand 7	D	335	340	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	D	366	367	first strand
Strand 2	D	372	373	anti-parallel

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There are 7 strands in FA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	325	326	first strand
Strand 2	F	481	486	anti-parallel
Strand 3	F	455	460	anti-parallel
Strand 4	F	528	532	anti-parallel
Strand 5	F	539	547	anti-parallel
Strand 6	F	558	562	anti-parallel
Strand 7	F	505	508	anti-parallel

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There are 7 strands in FB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	335	340	first strand
Strand 2	F	345	352	anti-parallel
Strand 3	F	357	360	anti-parallel
Strand 4	F	421	425	anti-parallel
Strand 5	F	397	406	anti-parallel
Strand 6	F	379	383	anti-parallel
Strand 7	F	335	340	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	366	367	first strand
Strand 2	F	372	373	anti-parallel

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There are 7 strands in HA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	325	326	first strand
Strand 2	H	481	486	anti-parallel
Strand 3	H	455	460	anti-parallel
Strand 4	H	528	532	anti-parallel
Strand 5	H	539	547	anti-parallel
Strand 6	H	558	562	anti-parallel
Strand 7	H	505	508	anti-parallel

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There are 7 strands in HB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	335	340	first strand
Strand 2	H	345	352	anti-parallel
Strand 3	H	357	360	anti-parallel
Strand 4	H	421	425	anti-parallel
Strand 5	H	397	406	anti-parallel
Strand 6	H	379	383	anti-parallel
Strand 7	H	335	340	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	366	367	first strand
Strand 2	H	372	373	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: 4CH8

Analysis of interatomic Contacts of Structural Units in PDB entry:
4CH8