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

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 9CAS entry

There are 3 chains in PDB entry 9CAS (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLN 33	LEU 1124
B	GLN 33	LEU 1124
C	GLN 33	LEU 1124

There are 66 helices in PDB entry 9CAS. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	282	292	Right-handed alpha
Helix 2	AA2	A	325	331	Right-handed alpha
Helix 3	AA3	A	337	341	Right-handed 310
Helix 4	AA4	A	353	359	Right-handed 310
Helix 5	AA5	A	371	377	Right-handed 310
Helix 6	AA6	A	394	398	Right-handed 310
Helix 7	AA7	A	404	410	Right-handed alpha
Helix 8	AA8	A	489	493	Right-handed 310
Helix 9	AA9	A	720	726	Right-handed alpha
Helix 10	AB1	A	729	738	Right-handed alpha
Helix 11	AB2	A	741	766	Right-handed alpha
Helix 12	AB3	A	799	809	Right-handed alpha
Helix 13	AB4	A	833	839	Right-handed alpha
Helix 14	AB5	A	849	868	Right-handed alpha
Helix 15	AB6	A	869	873	Right-handed 310
Helix 16	AB7	A	880	891	Right-handed alpha
Helix 17	AB8	A	895	902	Right-handed alpha
Helix 18	AB9	A	902	923	Right-handed alpha
Helix 19	AC1	A	928	948	Right-handed alpha
Helix 20	AC2	A	949	951	Right-handed 310
Helix 21	AC3	A	959	967	Right-handed alpha
Helix 22	AC4	A	968	1016	Right-handed alpha
Helix 23	AC5	B	282	292	Right-handed alpha
Helix 24	AC6	B	325	331	Right-handed alpha
Helix 25	AC7	B	337	341	Right-handed 310
Helix 26	AC8	B	353	359	Right-handed 310
Helix 27	AC9	B	371	377	Right-handed 310
Helix 28	AD1	B	394	398	Right-handed 310
Helix 29	AD2	B	404	410	Right-handed alpha
Helix 30	AD3	B	489	493	Right-handed 310
Helix 31	AD4	B	720	726	Right-handed alpha
Helix 32	AD5	B	729	738	Right-handed alpha
Helix 33	AD6	B	741	766	Right-handed alpha
Helix 34	AD7	B	799	809	Right-handed alpha
Helix 35	AD8	B	833	839	Right-handed alpha
Helix 36	AD9	B	849	868	Right-handed alpha
Helix 37	AE1	B	869	873	Right-handed 310
Helix 38	AE2	B	880	891	Right-handed alpha
Helix 39	AE3	B	896	902	Right-handed alpha
Helix 40	AE4	B	902	923	Right-handed alpha
Helix 41	AE5	B	928	948	Right-handed alpha
Helix 42	AE6	B	949	951	Right-handed 310
Helix 43	AE7	B	959	967	Right-handed alpha
Helix 44	AE8	B	968	1016	Right-handed alpha
Helix 45	AE9	C	282	292	Right-handed alpha
Helix 46	AF1	C	325	331	Right-handed alpha
Helix 47	AF2	C	337	341	Right-handed 310
Helix 48	AF3	C	353	359	Right-handed 310
Helix 49	AF4	C	371	377	Right-handed 310
Helix 50	AF5	C	394	398	Right-handed 310
Helix 51	AF6	C	404	410	Right-handed alpha
Helix 52	AF7	C	489	493	Right-handed 310
Helix 53	AF8	C	720	726	Right-handed alpha
Helix 54	AF9	C	729	738	Right-handed alpha
Helix 55	AG1	C	741	766	Right-handed alpha
Helix 56	AG2	C	799	809	Right-handed alpha
Helix 57	AG3	C	833	839	Right-handed alpha
Helix 58	AG4	C	849	868	Right-handed alpha
Helix 59	AG5	C	869	873	Right-handed 310
Helix 60	AG6	C	880	891	Right-handed alpha
Helix 61	AG7	C	895	902	Right-handed alpha
Helix 62	AG8	C	902	923	Right-handed alpha
Helix 63	AG9	C	928	948	Right-handed alpha
Helix 64	AH1	C	949	951	Right-handed 310
Helix 65	AH2	C	959	967	Right-handed alpha
Helix 66	AH3	C	968	1016	Right-handed alpha

There are 45 sheets in PDB entry 9CAS. 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, AC1, AC2, AC3, AC4, AC5, AC6, AC7, AC8, AC9, AD1, AD2, AD3, AD4, AD5, AD6, AD7, AD8, AD9, AE1, AE2, AE3, AE4, AE5, AE6, AE7, AE8, AE9,

There are 8 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	34	35	first strand
Strand 2	A	66	70	anti-parallel
Strand 3	A	253	257	anti-parallel
Strand 4	A	88	92	anti-parallel
Strand 5	A	184	191	anti-parallel
Strand 6	A	194	201	anti-parallel
Strand 7	A	216	224	anti-parallel
Strand 8	A	41	42	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	55	60	first strand
Strand 2	A	259	264	anti-parallel
Strand 3	A	277	278	anti-parallel

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There are 6 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	82	83	first strand
Strand 2	A	231	235	anti-parallel
Strand 3	A	101	105	anti-parallel
Strand 4	A	114	118	anti-parallel
Strand 5	A	125	129	anti-parallel
Strand 6	A	163	164	anti-parallel

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There are 5 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	299	302	first strand
Strand 2	A	583	586	anti-parallel
Strand 3	A	596	599	anti-parallel
Strand 4	A	635	638	anti-parallel
Strand 5	A	629	632	anti-parallel

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There are 6 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	313	316	first strand
Strand 2	A	525	530	parallel
Strand 3	A	533	541	anti-parallel
Strand 4	A	571	575	anti-parallel
Strand 5	A	562	564	anti-parallel
Strand 6	A	552	553	anti-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	344	346	first strand
Strand 2	A	383	390	anti-parallel
Strand 3	A	495	501	anti-parallel
Strand 4	A	419	425	anti-parallel
Strand 5	A	367	368	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	349	350	first strand
Strand 2	A	511	512	parallel
Strand 3	A	379	380	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	A	440	442	first strand
Strand 2	A	479	481	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	A	641	642	first strand
Strand 2	A	676	679	parallel
Strand 3	A	657	660	anti-parallel
Strand 4	A	651	654	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	A	684	686	first strand
Strand 2	B	770	772	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	A	694	711	first strand
Strand 2	A	1042	1059	anti-parallel
Strand 3	A	1030	1039	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	A	716	718	first strand
Strand 2	A	842	844	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	A	770	772	first strand
Strand 2	C	684	686	parallel

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There are 2 strands in AB5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	779	780	first strand
Strand 2	A	783	784	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	A	1103	1108	first strand
Strand 2	A	1069	1073	anti-parallel
Strand 3	A	1064	1066	anti-parallel
Strand 4	A	1116	1117	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	A	1077	1080	first strand
Strand 2	A	1085	1088	anti-parallel

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There are 8 strands in AB8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	34	35	first strand
Strand 2	B	66	70	anti-parallel
Strand 3	B	253	257	anti-parallel
Strand 4	B	88	92	anti-parallel
Strand 5	B	184	191	anti-parallel
Strand 6	B	194	201	anti-parallel
Strand 7	B	216	224	anti-parallel
Strand 8	B	41	42	parallel

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There are 3 strands in AB9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	54	60	first strand
Strand 2	B	259	265	anti-parallel
Strand 3	B	277	278	anti-parallel

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There are 6 strands in AC1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	82	83	first strand
Strand 2	B	231	235	anti-parallel
Strand 3	B	101	105	anti-parallel
Strand 4	B	114	118	anti-parallel
Strand 5	B	125	129	anti-parallel
Strand 6	B	163	164	anti-parallel

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There are 5 strands in AC2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	299	302	first strand
Strand 2	B	583	586	anti-parallel
Strand 3	B	596	599	anti-parallel
Strand 4	B	635	638	anti-parallel
Strand 5	B	629	632	anti-parallel

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There are 6 strands in AC3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	313	316	first strand
Strand 2	B	525	530	parallel
Strand 3	B	533	541	anti-parallel
Strand 4	B	571	575	anti-parallel
Strand 5	B	562	564	anti-parallel
Strand 6	B	552	553	anti-parallel

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There are 5 strands in AC4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	344	346	first strand
Strand 2	B	383	390	anti-parallel
Strand 3	B	495	501	anti-parallel
Strand 4	B	419	425	anti-parallel
Strand 5	B	367	368	anti-parallel

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There are 3 strands in AC5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	349	350	first strand
Strand 2	B	511	512	parallel
Strand 3	B	379	380	anti-parallel

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There are 2 strands in AC6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	440	442	first strand
Strand 2	B	479	481	anti-parallel

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There are 4 strands in AC7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	641	642	first strand
Strand 2	B	676	679	parallel
Strand 3	B	657	660	anti-parallel
Strand 4	B	651	654	anti-parallel

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There are 2 strands in AC8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	684	686	first strand
Strand 2	C	770	772	parallel

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There are 3 strands in AC9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	694	711	first strand
Strand 2	B	1042	1059	anti-parallel
Strand 3	B	1030	1039	anti-parallel

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There are 2 strands in AD1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	716	718	first strand
Strand 2	B	842	844	anti-parallel

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There are 2 strands in AD2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	779	780	first strand
Strand 2	B	783	784	anti-parallel

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There are 4 strands in AD3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	1103	1108	first strand
Strand 2	B	1069	1073	anti-parallel
Strand 3	B	1064	1066	anti-parallel
Strand 4	B	1116	1117	parallel

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There are 2 strands in AD4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	1077	1080	first strand
Strand 2	B	1085	1088	anti-parallel

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There are 8 strands in AD5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	34	35	first strand
Strand 2	C	66	70	anti-parallel
Strand 3	C	253	257	anti-parallel
Strand 4	C	88	92	anti-parallel
Strand 5	C	184	191	anti-parallel
Strand 6	C	194	201	anti-parallel
Strand 7	C	216	224	anti-parallel
Strand 8	C	41	42	parallel

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There are 3 strands in AD6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	54	60	first strand
Strand 2	C	259	265	anti-parallel
Strand 3	C	277	278	anti-parallel

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There are 6 strands in AD7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	82	83	first strand
Strand 2	C	231	235	anti-parallel
Strand 3	C	101	105	anti-parallel
Strand 4	C	114	118	anti-parallel
Strand 5	C	125	129	anti-parallel
Strand 6	C	163	165	anti-parallel

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There are 5 strands in AD8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	299	302	first strand
Strand 2	C	583	586	anti-parallel
Strand 3	C	596	599	anti-parallel
Strand 4	C	635	638	anti-parallel
Strand 5	C	629	632	anti-parallel

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There are 6 strands in AD9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	313	316	first strand
Strand 2	C	525	530	parallel
Strand 3	C	533	541	anti-parallel
Strand 4	C	571	575	anti-parallel
Strand 5	C	562	564	anti-parallel
Strand 6	C	552	553	anti-parallel

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There are 5 strands in AE1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	342	346	first strand
Strand 2	C	383	390	anti-parallel
Strand 3	C	495	501	anti-parallel
Strand 4	C	419	425	anti-parallel
Strand 5	C	364	368	anti-parallel

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There are 3 strands in AE2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	349	350	first strand
Strand 2	C	511	512	parallel
Strand 3	C	379	380	anti-parallel

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There are 2 strands in AE3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	440	442	first strand
Strand 2	C	479	481	anti-parallel

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There are 4 strands in AE4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	641	642	first strand
Strand 2	C	676	679	parallel
Strand 3	C	657	660	anti-parallel
Strand 4	C	651	654	anti-parallel

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There are 3 strands in AE5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	694	711	first strand
Strand 2	C	1042	1059	anti-parallel
Strand 3	C	1030	1039	anti-parallel

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There are 2 strands in AE6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	716	718	first strand
Strand 2	C	842	844	anti-parallel

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There are 2 strands in AE7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	779	780	first strand
Strand 2	C	783	784	anti-parallel

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There are 4 strands in AE8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	1103	1108	first strand
Strand 2	C	1069	1073	anti-parallel
Strand 3	C	1064	1066	anti-parallel
Strand 4	C	1116	1117	parallel

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There are 2 strands in AE9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	1077	1080	first strand
Strand 2	C	1085	1088	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: 9CAS

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