Analysis of interatomic Contacts of Structural Units in PDB entry:
4Z1I

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 4Z1I entry

There are 3 chains in PDB entry 4Z1I (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	PRO 70	THR 454
B	PRO 70	ASP 553
C	PRO 70	ARG 495

There are 68 helices in PDB entry 4Z1I. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	93	105	Right-handed alpha
Helix 2	AA2	A	110	133	Right-handed alpha
Helix 3	AA3	A	164	173	Right-handed alpha
Helix 4	AA4	A	178	185	Right-handed alpha
Helix 5	AA5	A	191	195	Right-handed 310
Helix 6	AA6	A	203	210	Right-handed 310
Helix 7	AA7	A	259	265	Right-handed 310
Helix 8	AA8	A	266	278	Right-handed alpha
Helix 9	AA9	A	297	301	Right-handed 310
Helix 10	AB1	A	311	319	Right-handed alpha
Helix 11	AB2	A	381	385	Right-handed 310
Helix 12	AB3	A	409	430	Right-handed alpha
Helix 13	AB4	A	445	450	Right-handed alpha
Helix 14	AB5	B	93	104	Right-handed alpha
Helix 15	AB6	B	110	133	Right-handed alpha
Helix 16	AB7	B	164	173	Right-handed alpha
Helix 17	AB8	B	178	185	Right-handed alpha
Helix 18	AB9	B	192	196	Right-handed 310
Helix 19	AC1	B	204	210	Right-handed 310
Helix 20	AC2	B	259	265	Right-handed 310
Helix 21	AC3	B	266	278	Right-handed alpha
Helix 22	AC4	B	297	301	Right-handed 310
Helix 23	AC5	B	302	306	Right-handed 310
Helix 24	AC6	B	307	319	Right-handed alpha
Helix 25	AC7	B	381	385	Right-handed 310
Helix 26	AC8	B	408	411	Right-handed 310
Helix 27	AC9	B	412	433	Right-handed alpha
Helix 28	AD1	B	433	455	Right-handed alpha
Helix 29	AD2	B	457	466	Right-handed alpha
Helix 30	AD3	B	483	489	Right-handed alpha
Helix 31	AD4	B	504	510	Right-handed alpha
Helix 32	AD5	B	511	519	Right-handed alpha
Helix 33	AD6	B	531	540	Right-handed alpha
Helix 34	AD7	C	93	105	Right-handed alpha
Helix 35	AD8	C	110	133	Right-handed alpha
Helix 36	AD9	C	164	173	Right-handed alpha
Helix 37	AE1	C	178	185	Right-handed alpha
Helix 38	AE2	C	192	196	Right-handed 310
Helix 39	AE3	C	204	210	Right-handed 310
Helix 40	AE4	C	259	265	Right-handed 310
Helix 41	AE5	C	266	278	Right-handed alpha
Helix 42	AE6	C	297	301	Right-handed 310
Helix 43	AE7	C	302	306	Right-handed 310
Helix 44	AE8	C	307	319	Right-handed alpha
Helix 45	AE9	C	381	385	Right-handed 310
Helix 46	AF1	C	408	433	Right-handed alpha
Helix 47	AF2	C	433	455	Right-handed alpha
Helix 48	AF3	C	457	466	Right-handed alpha
Helix 49	AF4	C	483	490	Right-handed alpha
Helix 50	AF5	C	504	510	Right-handed alpha
Helix 51	AF6	C	511	520	Right-handed alpha
Helix 52	AF7	C	531	540	Right-handed alpha
Helix 53	AF8	D	93	104	Right-handed alpha
Helix 54	AF9	D	110	133	Right-handed alpha
Helix 55	AG1	D	164	173	Right-handed alpha
Helix 56	AG2	D	178	185	Right-handed alpha
Helix 57	AG3	D	204	210	Right-handed 310
Helix 58	AG4	D	261	265	Right-handed 310
Helix 59	AG5	D	266	278	Right-handed alpha
Helix 60	AG6	D	297	301	Right-handed 310
Helix 61	AG7	D	302	306	Right-handed 310
Helix 62	AG8	D	307	319	Right-handed alpha
Helix 63	AG9	D	381	385	Right-handed 310
Helix 64	AH1	D	409	433	Right-handed alpha
Helix 65	AH2	D	433	455	Right-handed alpha
Helix 66	AH3	D	457	466	Right-handed alpha
Helix 67	AH4	D	485	490	Right-handed 310
Helix 68	AH5	D	531	540	Right-handed alpha

There are 18 sheets in PDB entry 4Z1I. 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, AB7, AB8, AB9,

There are 9 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	80	89	first strand
Strand 2	C	238	245	anti-parallel
Strand 3	C	228	233	anti-parallel
Strand 4	C	212	220	anti-parallel
Strand 5	C	250	257	anti-parallel
Strand 6	C	153	158	anti-parallel
Strand 7	C	143	148	anti-parallel
Strand 8	C	285	287	parallel
Strand 9	C	290	291	anti-parallel

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There are 2 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	91	92	first strand
Strand 2	C	174	175	parallel

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There are 9 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	290	291	first strand
Strand 2	A	285	287	anti-parallel
Strand 3	A	143	148	parallel
Strand 4	A	153	158	anti-parallel
Strand 5	A	250	257	anti-parallel
Strand 6	A	212	220	anti-parallel
Strand 7	A	228	233	anti-parallel
Strand 8	A	238	245	anti-parallel
Strand 9	C	80	81	anti-parallel

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There are 9 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	290	291	first strand
Strand 2	A	285	287	anti-parallel
Strand 3	A	143	148	parallel
Strand 4	A	153	158	anti-parallel
Strand 5	A	250	257	anti-parallel
Strand 6	A	212	220	anti-parallel
Strand 7	A	228	233	anti-parallel
Strand 8	A	238	245	anti-parallel
Strand 9	C	86	89	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	174	175	first strand
Strand 2	C	91	92	parallel

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There are 5 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	325	333	first strand
Strand 2	A	339	346	anti-parallel
Strand 3	A	388	392	anti-parallel
Strand 4	A	363	367	parallel
Strand 5	A	370	376	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	B	80	81	first strand
Strand 2	D	238	245	anti-parallel
Strand 3	B	86	89	anti-parallel

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There are 9 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	80	81	first strand
Strand 2	D	238	245	anti-parallel
Strand 3	D	228	233	anti-parallel
Strand 4	D	212	220	anti-parallel
Strand 5	D	250	257	anti-parallel
Strand 6	D	153	158	anti-parallel
Strand 7	D	143	148	anti-parallel
Strand 8	D	285	287	parallel
Strand 9	D	290	291	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	91	92	first strand
Strand 2	D	174	175	parallel

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There are 9 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	290	291	first strand
Strand 2	B	285	287	anti-parallel
Strand 3	B	143	148	parallel
Strand 4	B	153	158	anti-parallel
Strand 5	B	250	257	anti-parallel
Strand 6	B	212	220	anti-parallel
Strand 7	B	228	233	anti-parallel
Strand 8	B	238	245	anti-parallel
Strand 9	D	80	89	anti-parallel

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There are 2 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	174	175	first strand
Strand 2	D	91	92	parallel

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There are 5 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	325	334	first strand
Strand 2	B	338	346	anti-parallel
Strand 3	B	388	392	anti-parallel
Strand 4	B	363	367	parallel
Strand 5	B	370	373	anti-parallel

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There are 6 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	481	482	first strand
Strand 2	B	469	472	anti-parallel
Strand 3	B	524	527	anti-parallel
Strand 4	B	496	501	parallel
Strand 5	B	545	549	parallel
Strand 6	B	541	542	anti-parallel

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There are 5 strands in AB5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	325	333	first strand
Strand 2	C	339	346	anti-parallel
Strand 3	C	388	392	anti-parallel
Strand 4	C	363	367	parallel
Strand 5	C	370	376	anti-parallel

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There are 4 strands in AB6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	481	482	first strand
Strand 2	C	469	472	anti-parallel
Strand 3	C	525	527	anti-parallel
Strand 4	C	500	501	parallel

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There are 2 strands in AB7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	541	542	first strand
Strand 2	C	545	546	anti-parallel

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There are 5 strands in AB8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	325	333	first strand
Strand 2	D	339	346	anti-parallel
Strand 3	D	388	392	anti-parallel
Strand 4	D	364	367	parallel
Strand 5	D	370	373	anti-parallel

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There are 6 strands in AB9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	480	482	first strand
Strand 2	D	469	472	anti-parallel
Strand 3	D	525	527	anti-parallel
Strand 4	D	497	501	parallel
Strand 5	D	545	548	parallel
Strand 6	D	541	542	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: 4Z1I

Analysis of interatomic Contacts of Structural Units in PDB entry:
4Z1I