Analysis of interatomic Contacts of Structural Units in PDB entry:
4ZI9

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 4ZI9 entry

There are 2 chains in PDB entry 4ZI9 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ASN 2	LEU 310
B	ASN 2	LEU 310

There are 14 helices in PDB entry 4ZI9. 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	34	Right-handed alpha
Helix 3	AA3	A	43	45	Right-handed 310
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	257	262	Right-handed alpha
Helix 8	AA8	B	20	25	Right-handed alpha
Helix 9	AA9	B	27	34	Right-handed alpha
Helix 10	AB1	B	43	45	Right-handed 310
Helix 11	AB2	B	63	69	Right-handed alpha
Helix 12	AB3	B	134	137	Right-handed 310
Helix 13	AB4	B	243	248	Right-handed 310
Helix 14	AB5	B	257	262	Right-handed alpha

There are 14 sheets in PDB entry 4ZI9. 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	3	8	first strand
Strand 2	A	87	96	parallel
Strand 3	A	75	82	anti-parallel
Strand 4	A	36	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	109	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	161	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	223	first strand
Strand 2	A	300	309	parallel
Strand 3	A	286	294	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	272	275	anti-parallel
Strand 3	A	264	266	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	3	8	first strand
Strand 2	B	87	96	parallel
Strand 3	B	75	82	anti-parallel
Strand 4	B	36	38	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	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 AB1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	109	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 AB2 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	161	168	anti-parallel
Strand 3	B	150	156	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	213	214	first strand
Strand 2	B	238	239	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	218	223	first strand
Strand 2	B	300	309	parallel
Strand 3	B	286	294	anti-parallel
Strand 4	B	250	253	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	232	235	first strand
Strand 2	B	272	275	anti-parallel
Strand 3	B	264	266	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: 4ZI9

Analysis of interatomic Contacts of Structural Units in PDB entry:
4ZI9