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

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 9IIT entry

There are 2 chains in PDB entry 9IIT (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	HIS 0	SER 949
B	HIS 0	PRO 317

There are 79 helices in PDB entry 9IIT. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	8	13	Right-handed alpha
Helix 2	AA2	A	14	19	Right-handed alpha
Helix 3	AA3	A	37	55	Right-handed alpha
Helix 4	AA4	A	59	65	Right-handed alpha
Helix 5	AA5	A	81	85	Right-handed 310
Helix 6	AA6	A	108	124	Right-handed alpha
Helix 7	AA7	A	161	166	Right-handed alpha
Helix 8	AA8	A	189	197	Right-handed alpha
Helix 9	AA9	A	212	224	Right-handed alpha
Helix 10	AB1	A	240	244	Right-handed 310
Helix 11	AB2	A	252	257	Right-handed alpha
Helix 12	AB3	A	275	288	Right-handed alpha
Helix 13	AB4	A	292	296	Right-handed 310
Helix 14	AB5	A	399	406	Right-handed alpha
Helix 15	AB6	A	409	413	Right-handed 310
Helix 16	AB7	A	419	423	Right-handed 310
Helix 17	AB8	A	431	443	Right-handed alpha
Helix 18	AB9	A	448	458	Right-handed alpha
Helix 19	AC1	A	462	470	Right-handed alpha
Helix 20	AC2	A	471	493	Right-handed alpha
Helix 21	AC3	A	498	502	Right-handed 310
Helix 22	AC4	A	503	515	Right-handed alpha
Helix 23	AC5	A	527	546	Right-handed alpha
Helix 24	AC6	A	549	565	Right-handed alpha
Helix 25	AC7	A	604	610	Right-handed alpha
Helix 26	AC8	A	653	658	Right-handed alpha
Helix 27	AC9	A	667	677	Right-handed alpha
Helix 28	AD1	A	680	684	Right-handed 310
Helix 29	AD2	A	690	699	Right-handed alpha
Helix 30	AD3	A	717	735	Right-handed alpha
Helix 31	AD4	A	739	754	Right-handed alpha
Helix 32	AD5	A	760	768	Right-handed alpha
Helix 33	AD6	A	791	796	Right-handed alpha
Helix 34	AD7	A	796	801	Right-handed alpha
Helix 35	AD8	A	817	827	Right-handed alpha
Helix 36	AD9	A	829	853	Right-handed alpha
Helix 37	AE1	A	854	873	Right-handed alpha
Helix 38	AE2	A	874	877	Right-handed 310
Helix 39	AE3	A	878	889	Right-handed alpha
Helix 40	AE4	A	912	926	Right-handed alpha
Helix 41	AE5	B	8	13	Right-handed alpha
Helix 42	AE6	B	14	20	Right-handed alpha
Helix 43	AE7	B	37	54	Right-handed alpha
Helix 44	AE8	B	59	65	Right-handed alpha
Helix 45	AE9	B	81	85	Right-handed 310
Helix 46	AF1	B	108	124	Right-handed alpha
Helix 47	AF2	B	161	166	Right-handed alpha
Helix 48	AF3	B	189	198	Right-handed alpha
Helix 49	AF4	B	213	224	Right-handed alpha
Helix 50	AF5	B	240	244	Right-handed 310
Helix 51	AF6	B	275	288	Right-handed alpha
Helix 52	AF7	B	292	296	Right-handed 310
Helix 53	AF8	B	399	406	Right-handed alpha
Helix 54	AF9	B	409	413	Right-handed 310
Helix 55	AG1	B	419	423	Right-handed 310
Helix 56	AG2	B	431	443	Right-handed alpha
Helix 57	AG3	B	448	458	Right-handed alpha
Helix 58	AG4	B	462	470	Right-handed alpha
Helix 59	AG5	B	471	493	Right-handed alpha
Helix 60	AG6	B	498	502	Right-handed 310
Helix 61	AG7	B	503	515	Right-handed alpha
Helix 62	AG8	B	527	546	Right-handed alpha
Helix 63	AG9	B	549	565	Right-handed alpha
Helix 64	AH1	B	604	610	Right-handed alpha
Helix 65	AH2	B	653	658	Right-handed alpha
Helix 66	AH3	B	667	677	Right-handed alpha
Helix 67	AH4	B	680	684	Right-handed 310
Helix 68	AH5	B	690	699	Right-handed alpha
Helix 69	AH6	B	717	735	Right-handed alpha
Helix 70	AH7	B	739	754	Right-handed alpha
Helix 71	AH8	B	760	768	Right-handed alpha
Helix 72	AH9	B	791	796	Right-handed alpha
Helix 73	AI1	B	796	801	Right-handed alpha
Helix 74	AI2	B	814	827	Right-handed alpha
Helix 75	AI3	B	829	853	Right-handed alpha
Helix 76	AI4	B	854	873	Right-handed alpha
Helix 77	AI5	B	874	877	Right-handed 310
Helix 78	AI6	B	878	889	Right-handed alpha
Helix 79	AI7	B	912	926	Right-handed alpha

There are 20 sheets in PDB entry 9IIT. 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,

There are 7 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	26	29	first strand
Strand 2	A	2	6	parallel
Strand 3	A	69	73	parallel
Strand 4	A	130	134	parallel
Strand 5	A	200	211	anti-parallel
Strand 6	A	169	174	anti-parallel
Strand 7	A	183	186	anti-parallel

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There are 7 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	26	29	first strand
Strand 2	A	2	6	parallel
Strand 3	A	69	73	parallel
Strand 4	A	130	134	parallel
Strand 5	A	200	211	anti-parallel
Strand 6	A	153	158	anti-parallel
Strand 7	A	260	264	parallel

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There are 2 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	137	141	first strand
Strand 2	A	268	272	anti-parallel

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There are 7 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	307	310	first strand
Strand 2	A	325	328	parallel
Strand 3	A	342	345	parallel
Strand 4	A	360	367	parallel
Strand 5	A	371	378	anti-parallel
Strand 6	A	426	429	anti-parallel
Strand 7	A	459	461	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	313	314	first strand
Strand 2	A	331	332	parallel

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There are 2 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	393	394	first strand
Strand 2	A	397	398	anti-parallel

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There are 6 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	647	651	first strand
Strand 2	A	638	642	anti-parallel
Strand 3	A	701	708	parallel
Strand 4	A	626	633	anti-parallel
Strand 5	A	585	589	anti-parallel
Strand 6	A	945	948	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	A	591	596	first strand
Strand 2	A	612	620	anti-parallel
Strand 3	A	771	775	anti-parallel
Strand 4	A	785	789	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	A	591	596	first strand
Strand 2	A	612	620	anti-parallel
Strand 3	A	937	939	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	A	892	896	first strand
Strand 2	A	905	910	anti-parallel
Strand 3	A	803	807	anti-parallel
Strand 4	A	933	935	anti-parallel

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There are 7 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	26	29	first strand
Strand 2	B	2	6	parallel
Strand 3	B	69	73	parallel
Strand 4	B	128	134	parallel
Strand 5	B	200	212	anti-parallel
Strand 6	B	169	174	anti-parallel
Strand 7	B	183	186	anti-parallel

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There are 7 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	26	29	first strand
Strand 2	B	2	6	parallel
Strand 3	B	69	73	parallel
Strand 4	B	128	134	parallel
Strand 5	B	200	212	anti-parallel
Strand 6	B	153	158	anti-parallel
Strand 7	B	260	264	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	137	141	first strand
Strand 2	B	268	272	anti-parallel

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There are 7 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	307	310	first strand
Strand 2	B	325	328	parallel
Strand 3	B	342	345	parallel
Strand 4	B	360	367	parallel
Strand 5	B	371	378	anti-parallel
Strand 6	B	426	429	anti-parallel
Strand 7	B	459	461	anti-parallel

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There are 2 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	313	314	first strand
Strand 2	B	331	332	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	B	393	394	first strand
Strand 2	B	397	398	anti-parallel

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There are 6 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	647	651	first strand
Strand 2	B	638	642	anti-parallel
Strand 3	B	701	708	parallel
Strand 4	B	626	633	anti-parallel
Strand 5	B	585	589	anti-parallel
Strand 6	B	945	948	anti-parallel

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There are 4 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	591	596	first strand
Strand 2	B	612	620	anti-parallel
Strand 3	B	771	775	anti-parallel
Strand 4	B	785	789	anti-parallel

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There are 3 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	591	596	first strand
Strand 2	B	612	620	anti-parallel
Strand 3	B	937	939	anti-parallel

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There are 4 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	892	896	first strand
Strand 2	B	905	910	anti-parallel
Strand 3	B	803	807	anti-parallel
Strand 4	B	933	935	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: 9IIT

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