Analysis of interatomic Contacts of Structural Units in PDB entry:
4P3P

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 4P3P entry

There are 2 chains in PDB entry 4P3P (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ARG 242	GLU 642
B	ARG 242	GLU 642

There are 34 helices in PDB entry 4P3P. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	243	251	Right-handed alpha
Helix 2	AA2	A	267	288	Right-handed alpha
Helix 3	AA3	A	301	308	Right-handed alpha
Helix 4	AA4	A	308	313	Right-handed alpha
Helix 5	AA5	A	314	317	Right-handed 310
Helix 6	AA6	A	333	342	Right-handed alpha
Helix 7	AA7	A	347	351	Right-handed 310
Helix 8	AA8	A	366	370	Right-handed 310
Helix 9	AA9	A	389	391	Right-handed 310
Helix 10	AB1	A	392	411	Right-handed alpha
Helix 11	AB2	A	430	448	Right-handed alpha
Helix 12	AB3	A	487	493	Right-handed alpha
Helix 13	AB4	A	518	529	Right-handed alpha
Helix 14	AB5	A	551	565	Right-handed alpha
Helix 15	AB6	A	577	588	Right-handed alpha
Helix 16	AB7	A	597	604	Right-handed alpha
Helix 17	AB8	A	621	634	Right-handed alpha
Helix 18	AB9	B	243	251	Right-handed alpha
Helix 19	AC1	B	267	288	Right-handed alpha
Helix 20	AC2	B	301	307	Right-handed alpha
Helix 21	AC3	B	308	313	Right-handed alpha
Helix 22	AC4	B	314	317	Right-handed 310
Helix 23	AC5	B	333	342	Right-handed alpha
Helix 24	AC6	B	347	351	Right-handed 310
Helix 25	AC7	B	366	370	Right-handed 310
Helix 26	AC8	B	392	411	Right-handed alpha
Helix 27	AC9	B	430	448	Right-handed alpha
Helix 28	AD1	B	488	493	Right-handed alpha
Helix 29	AD2	B	518	529	Right-handed alpha
Helix 30	AD3	B	548	550	Right-handed 310
Helix 31	AD4	B	551	565	Right-handed alpha
Helix 32	AD5	B	577	588	Right-handed alpha
Helix 33	AD6	B	597	604	Right-handed alpha
Helix 34	AD7	B	621	634	Right-handed alpha

There are 10 sheets in PDB entry 4P3P. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1,

There are 2 strands in AA1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	254	255	first strand
Strand 2	A	265	266	anti-parallel

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There are 8 strands in AA2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	291	292	first strand
Strand 2	A	353	362	parallel
Strand 3	A	378	388	anti-parallel
Strand 4	A	508	517	anti-parallel
Strand 5	A	477	486	anti-parallel
Strand 6	A	465	471	anti-parallel
Strand 7	A	416	421	anti-parallel
Strand 8	A	453	455	parallel

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There are 3 strands in AA3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	298	300	first strand
Strand 2	A	325	329	anti-parallel
Strand 3	A	319	322	anti-parallel

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There are 2 strands in AA4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	497	498	first strand
Strand 2	A	504	505	anti-parallel

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There are 5 strands in AA5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	569	572	first strand
Strand 2	A	542	546	parallel
Strand 3	A	592	596	parallel
Strand 4	A	605	610	anti-parallel
Strand 5	A	615	620	anti-parallel

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There are 2 strands in AA6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	254	255	first strand
Strand 2	B	265	266	anti-parallel

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There are 8 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	291	292	first strand
Strand 2	B	353	362	parallel
Strand 3	B	378	388	anti-parallel
Strand 4	B	508	517	anti-parallel
Strand 5	B	477	486	anti-parallel
Strand 6	B	465	471	anti-parallel
Strand 7	B	416	421	anti-parallel
Strand 8	B	453	455	parallel

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There are 3 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	298	300	first strand
Strand 2	B	325	329	anti-parallel
Strand 3	B	319	322	anti-parallel

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There are 2 strands in AA9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	497	498	first strand
Strand 2	B	504	505	anti-parallel

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There are 5 strands in AB1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	569	572	first strand
Strand 2	B	542	546	parallel
Strand 3	B	592	596	parallel
Strand 4	B	605	610	anti-parallel
Strand 5	B	615	620	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: 4P3P

Analysis of interatomic Contacts of Structural Units in PDB entry:
4P3P