Analysis of interatomic Contacts of Structural Units in PDB entry:
9PIA

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 9PIA entry

There are 4 chains in PDB entry 9PIA (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	PRO 137	GLY 546
B	PRO 137	GLY 546
C	PRO 137	GLY 546
D	PRO 137	PHE 224

There are 71 helices in PDB entry 9PIA. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	138	148	Right-handed alpha
Helix 2	AA2	A	156	166	Right-handed alpha
Helix 3	AA3	A	172	174	Right-handed 310
Helix 4	AA4	A	175	188	Right-handed alpha
Helix 5	AA5	A	197	205	Right-handed alpha
Helix 6	AA6	A	207	216	Right-handed alpha
Helix 7	AA7	A	223	240	Right-handed alpha
Helix 8	AA8	A	287	309	Right-handed alpha
Helix 9	AA9	A	334	343	Right-handed alpha
Helix 10	AB1	A	350	366	Right-handed alpha
Helix 11	AB2	A	374	384	Right-handed alpha
Helix 12	AB3	A	385	398	Right-handed alpha
Helix 13	AB4	A	406	418	Right-handed alpha
Helix 14	AB5	A	423	436	Right-handed alpha
Helix 15	AB6	A	449	464	Right-handed alpha
Helix 16	AB7	A	465	467	Right-handed 310
Helix 17	AB8	A	468	476	Right-handed alpha
Helix 18	AB9	A	511	525	Right-handed alpha
Helix 19	AC1	B	138	148	Right-handed alpha
Helix 20	AC2	B	155	165	Right-handed alpha
Helix 21	AC3	B	172	174	Right-handed 310
Helix 22	AC4	B	175	189	Right-handed alpha
Helix 23	AC5	B	196	205	Right-handed alpha
Helix 24	AC6	B	207	216	Right-handed alpha
Helix 25	AC7	B	223	240	Right-handed alpha
Helix 26	AC8	B	287	309	Right-handed alpha
Helix 27	AC9	B	334	343	Right-handed alpha
Helix 28	AD1	B	350	366	Right-handed alpha
Helix 29	AD2	B	374	384	Right-handed alpha
Helix 30	AD3	B	385	398	Right-handed alpha
Helix 31	AD4	B	406	419	Right-handed alpha
Helix 32	AD5	B	423	436	Right-handed alpha
Helix 33	AD6	B	449	464	Right-handed alpha
Helix 34	AD7	B	465	467	Right-handed 310
Helix 35	AD8	B	468	476	Right-handed alpha
Helix 36	AD9	B	511	525	Right-handed alpha
Helix 37	AE1	C	138	148	Right-handed alpha
Helix 38	AE2	C	156	165	Right-handed alpha
Helix 39	AE3	C	172	174	Right-handed 310
Helix 40	AE4	C	175	189	Right-handed alpha
Helix 41	AE5	C	196	205	Right-handed alpha
Helix 42	AE6	C	207	216	Right-handed alpha
Helix 43	AE7	C	223	240	Right-handed alpha
Helix 44	AE8	C	287	309	Right-handed alpha
Helix 45	AE9	C	334	343	Right-handed alpha
Helix 46	AF1	C	350	366	Right-handed alpha
Helix 47	AF2	C	374	384	Right-handed alpha
Helix 48	AF3	C	385	398	Right-handed alpha
Helix 49	AF4	C	406	419	Right-handed alpha
Helix 50	AF5	C	423	436	Right-handed alpha
Helix 51	AF6	C	449	464	Right-handed alpha
Helix 52	AF7	C	467	476	Right-handed alpha
Helix 53	AF8	C	511	525	Right-handed alpha
Helix 54	AF9	D	138	148	Right-handed alpha
Helix 55	AG1	D	155	166	Right-handed alpha
Helix 56	AG2	D	172	174	Right-handed 310
Helix 57	AG3	D	175	189	Right-handed alpha
Helix 58	AG4	D	196	205	Right-handed alpha
Helix 59	AG5	D	207	216	Right-handed alpha
Helix 60	AG6	D	223	240	Right-handed alpha
Helix 61	AG7	D	287	309	Right-handed alpha
Helix 62	AG8	D	334	343	Right-handed alpha
Helix 63	AG9	D	350	366	Right-handed alpha
Helix 64	AH1	D	374	384	Right-handed alpha
Helix 65	AH2	D	385	398	Right-handed alpha
Helix 66	AH3	D	406	419	Right-handed alpha
Helix 67	AH4	D	423	436	Right-handed alpha
Helix 68	AH5	D	449	464	Right-handed alpha
Helix 69	AH6	D	465	467	Right-handed 310
Helix 70	AH7	D	468	476	Right-handed alpha
Helix 71	AH8	D	511	525	Right-handed alpha

There are 12 sheets in PDB entry 9PIA. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1, AB2, AB3,

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	153	155	first strand
Strand 2	A	194	196	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	245	246	first strand
Strand 2	A	504	505	anti-parallel

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There are 5 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	272	276	first strand
Strand 2	A	262	267	anti-parallel
Strand 3	A	496	501	anti-parallel
Strand 4	A	487	492	anti-parallel
Strand 5	A	480	482	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	282	283	first strand
Strand 2	A	420	422	anti-parallel
Strand 3	A	371	373	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	B	272	276	first strand
Strand 2	B	262	267	anti-parallel
Strand 3	B	496	501	anti-parallel
Strand 4	B	487	492	anti-parallel
Strand 5	B	480	483	anti-parallel

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There are 3 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	282	283	first strand
Strand 2	B	420	422	anti-parallel
Strand 3	B	371	373	anti-parallel

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There are 2 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	154	155	first strand
Strand 2	C	194	195	anti-parallel

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There are 5 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	272	276	first strand
Strand 2	C	262	267	anti-parallel
Strand 3	C	496	501	anti-parallel
Strand 4	C	487	492	anti-parallel
Strand 5	C	480	482	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	C	282	283	first strand
Strand 2	C	420	422	anti-parallel
Strand 3	C	371	373	anti-parallel

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There are 2 strands in AB1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	245	246	first strand
Strand 2	D	504	505	anti-parallel

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There are 5 strands in AB2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	272	276	first strand
Strand 2	D	262	267	anti-parallel
Strand 3	D	496	501	anti-parallel
Strand 4	D	487	492	anti-parallel
Strand 5	D	480	482	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	D	282	283	first strand
Strand 2	D	420	422	anti-parallel
Strand 3	D	371	373	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: 9PIA

Analysis of interatomic Contacts of Structural Units in PDB entry:
9PIA