Analysis of interatomic Contacts of Structural Units in PDB entry:
4ZI8

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 4ZI8 entry

There are 2 chains in PDB entry 4ZI8 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ILE 2	ASP 314
B	HIS -8	ASP 314

There are 13 helices in PDB entry 4ZI8. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	20	25	Right-handed alpha
Helix 2	AA2	A	27	29	Right-handed 310
Helix 3	AA3	A	30	35	Right-handed alpha
Helix 4	AA4	A	63	69	Right-handed alpha
Helix 5	AA5	A	134	137	Right-handed 310
Helix 6	AA6	A	243	248	Right-handed 310
Helix 7	AA7	A	260	264	Right-handed alpha
Helix 8	AA8	B	20	25	Right-handed alpha
Helix 9	AA9	B	27	35	Right-handed 310
Helix 10	AB1	B	63	69	Right-handed alpha
Helix 11	AB2	B	134	137	Right-handed 310
Helix 12	AB3	B	243	247	Right-handed 310
Helix 13	AB4	B	260	264	Right-handed alpha

There are 15 sheets in PDB entry 4ZI8. 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, AB6,

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	3	8	first strand
Strand 2	A	87	96	parallel
Strand 3	A	75	82	anti-parallel
Strand 4	A	37	39	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	16	19	first strand
Strand 2	A	55	58	anti-parallel
Strand 3	A	47	49	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	110	115	first strand
Strand 2	A	195	205	parallel
Strand 3	A	179	188	anti-parallel
Strand 4	A	139	144	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	123	125	first strand
Strand 2	A	162	168	anti-parallel
Strand 3	A	150	156	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	213	214	first strand
Strand 2	A	238	239	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	218	224	first strand
Strand 2	A	304	313	parallel
Strand 3	A	287	295	anti-parallel
Strand 4	A	250	253	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	232	235	first strand
Strand 2	A	273	276	anti-parallel
Strand 3	A	265	267	anti-parallel

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There are 2 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	-4	-3	first strand
Strand 2	B	0	1	anti-parallel

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There are 4 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	4	8	first strand
Strand 2	B	87	96	parallel
Strand 3	B	75	82	anti-parallel
Strand 4	B	37	38	anti-parallel

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There are 3 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	16	19	first strand
Strand 2	B	55	58	anti-parallel
Strand 3	B	47	49	anti-parallel

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There are 4 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	110	115	first strand
Strand 2	B	195	205	parallel
Strand 3	B	179	188	anti-parallel
Strand 4	B	139	144	anti-parallel

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There are 3 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	123	125	first strand
Strand 2	B	162	168	anti-parallel
Strand 3	B	150	156	anti-parallel

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There are 2 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	213	214	first strand
Strand 2	B	238	239	anti-parallel

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There are 4 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	218	224	first strand
Strand 2	B	304	313	parallel
Strand 3	B	287	296	anti-parallel
Strand 4	B	249	253	anti-parallel

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There are 3 strands in AB6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	232	235	first strand
Strand 2	B	273	276	anti-parallel
Strand 3	B	265	267	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: 4ZI8

Analysis of interatomic Contacts of Structural Units in PDB entry:
4ZI8