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

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 4ZPN entry

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

Chain ID	Initial residue	Terminal residue
A	GLY 1	ASN 320
B	TRP 2	ASP 321

There are 13 helices in PDB entry 4ZPN. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	24	28	Right-handed alpha
Helix 2	AA2	A	33	38	Right-handed alpha
Helix 3	AA3	A	46	50	Right-handed alpha
Helix 4	AA4	A	67	72	Right-handed alpha
Helix 5	AA5	A	138	141	Right-handed 310
Helix 6	AA6	A	247	251	Right-handed 310
Helix 7	AA7	A	262	268	Right-handed alpha
Helix 8	AA8	B	24	28	Right-handed alpha
Helix 9	AA9	B	33	38	Right-handed alpha
Helix 10	AB1	B	67	72	Right-handed alpha
Helix 11	AB2	B	138	141	Right-handed 310
Helix 12	AB3	B	247	251	Right-handed 310
Helix 13	AB4	B	262	268	Right-handed alpha

There are 14 sheets in PDB entry 4ZPN. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1, AB2, AB3, AB4, AB5,

There are 4 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	7	12	first strand
Strand 2	A	91	100	parallel
Strand 3	A	79	86	anti-parallel
Strand 4	A	41	42	anti-parallel

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There are 3 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	20	23	first strand
Strand 2	A	59	62	anti-parallel
Strand 3	A	51	53	anti-parallel

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There are 4 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	113	119	first strand
Strand 2	A	199	209	parallel
Strand 3	A	183	192	anti-parallel
Strand 4	A	143	148	anti-parallel

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There are 3 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	127	129	first strand
Strand 2	A	166	172	anti-parallel
Strand 3	A	154	160	anti-parallel

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There are 2 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	217	218	first strand
Strand 2	A	242	243	anti-parallel

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There are 4 strands in AA6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	222	227	first strand
Strand 2	A	307	316	parallel
Strand 3	A	291	300	anti-parallel
Strand 4	A	253	257	anti-parallel

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There are 3 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	235	239	first strand
Strand 2	A	277	280	anti-parallel
Strand 3	A	269	271	anti-parallel

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There are 4 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	7	12	first strand
Strand 2	B	91	100	parallel
Strand 3	B	79	86	anti-parallel
Strand 4	B	41	42	anti-parallel

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There are 3 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	20	23	first strand
Strand 2	B	59	62	anti-parallel
Strand 3	B	51	53	anti-parallel

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There are 4 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	113	119	first strand
Strand 2	B	199	209	parallel
Strand 3	B	183	192	anti-parallel
Strand 4	B	143	148	anti-parallel

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There are 3 strands in AB2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	127	129	first strand
Strand 2	B	166	172	anti-parallel
Strand 3	B	154	160	anti-parallel

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There are 2 strands in AB3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	217	218	first strand
Strand 2	B	242	243	anti-parallel

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There are 4 strands in AB4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	222	227	first strand
Strand 2	B	307	316	parallel
Strand 3	B	291	300	anti-parallel
Strand 4	B	253	257	anti-parallel

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There are 3 strands in AB5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	235	239	first strand
Strand 2	B	277	280	anti-parallel
Strand 3	B	269	271	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: 4ZPN

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