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

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 9ENP entry

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

Chain ID	Initial residue	Terminal residue
A	THR 59	ALA 1235
B	GLY 28	GLN 318
C	G -2	C 21
D	G 1	C 24

There are 54 helices in PDB entry 9ENP. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	81	83	Right-handed 310
Helix 2	AA2	A	87	91	Right-handed 310
Helix 3	AA3	A	168	175	Right-handed alpha
Helix 4	AA4	A	209	216	Right-handed alpha
Helix 5	AA5	A	220	234	Right-handed alpha
Helix 6	AA6	A	235	239	Right-handed 310
Helix 7	AA7	A	244	246	Right-handed 310
Helix 8	AA8	A	275	286	Right-handed alpha
Helix 9	AA9	A	298	306	Right-handed alpha
Helix 10	AB1	A	331	335	Right-handed 310
Helix 11	AB2	A	420	430	Right-handed alpha
Helix 12	AB3	A	442	458	Right-handed alpha
Helix 13	AB4	A	470	482	Right-handed alpha
Helix 14	AB5	A	525	533	Right-handed alpha
Helix 15	AB6	A	539	547	Right-handed alpha
Helix 16	AB7	A	559	567	Right-handed alpha
Helix 17	AB8	A	567	593	Right-handed alpha
Helix 18	AB9	A	593	606	Right-handed alpha
Helix 19	AC1	A	608	615	Right-handed alpha
Helix 20	AC2	A	617	632	Right-handed alpha
Helix 21	AC3	A	720	730	Right-handed alpha
Helix 22	AC4	A	739	744	Right-handed 310
Helix 23	AC5	A	772	792	Right-handed alpha
Helix 24	AC6	A	793	795	Right-handed 310
Helix 25	AC7	A	796	816	Right-handed alpha
Helix 26	AC8	A	816	823	Right-handed alpha
Helix 27	AC9	A	830	856	Right-handed alpha
Helix 28	AD1	A	858	866	Right-handed alpha
Helix 29	AD2	A	868	873	Right-handed alpha
Helix 30	AD3	A	901	918	Right-handed alpha
Helix 31	AD4	A	963	980	Right-handed alpha
Helix 32	AD5	A	980	990	Right-handed alpha
Helix 33	AD6	A	991	993	Right-handed 310
Helix 34	AD7	A	994	1001	Right-handed 310
Helix 35	AD8	A	1007	1023	Right-handed alpha
Helix 36	AD9	A	1027	1032	Right-handed 310
Helix 37	AE1	A	1040	1044	Right-handed 310
Helix 38	AE2	A	1050	1060	Right-handed alpha
Helix 39	AE3	A	1082	1087	Right-handed alpha
Helix 40	AE4	A	1089	1093	Right-handed 310
Helix 41	AE5	A	1145	1152	Right-handed alpha
Helix 42	AE6	A	1157	1174	Right-handed alpha
Helix 43	AE7	A	1175	1178	Right-handed 310
Helix 44	AE8	A	1180	1190	Right-handed alpha
Helix 45	AE9	A	1199	1209	Right-handed alpha
Helix 46	AF1	A	1219	1234	Right-handed alpha
Helix 47	AF2	B	37	48	Right-handed alpha
Helix 48	AF3	B	49	51	Right-handed 310
Helix 49	AF4	B	84	86	Right-handed 310
Helix 50	AF5	B	109	113	Right-handed 310
Helix 51	AF6	B	145	147	Right-handed 310
Helix 52	AF7	B	153	156	Right-handed 310
Helix 53	AF8	B	181	192	Right-handed alpha
Helix 54	AF9	B	273	281	Right-handed alpha

There are 16 sheets in PDB entry 9ENP. 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,

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	74	79	first strand
Strand 2	A	94	99	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	104	107	first strand
Strand 2	A	110	113	anti-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	129	130	first strand
Strand 2	A	133	134	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	328	329	first strand
Strand 2	A	341	346	anti-parallel
Strand 3	A	193	199	parallel
Strand 4	A	178	187	anti-parallel
Strand 5	A	146	158	anti-parallel
Strand 6	A	314	318	anti-parallel
Strand 7	A	350	352	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	A	292	293	first strand
Strand 2	A	203	208	anti-parallel
Strand 3	A	266	273	anti-parallel
Strand 4	A	248	257	anti-parallel
Strand 5	A	634	635	parallel

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There are 6 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	436	440	first strand
Strand 2	A	406	414	parallel
Strand 3	A	390	400	anti-parallel
Strand 4	A	363	372	anti-parallel
Strand 5	A	461	464	parallel
Strand 6	A	521	524	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	A	499	502	first strand
Strand 2	A	514	517	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	A	707	709	first strand
Strand 2	A	923	937	anti-parallel
Strand 3	A	713	719	anti-parallel
Strand 4	A	889	895	anti-parallel
Strand 5	A	879	886	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	707	709	first strand
Strand 2	A	923	937	anti-parallel
Strand 3	A	940	945	anti-parallel
Strand 4	A	950	953	anti-parallel

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There are 3 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	736	737	first strand
Strand 2	A	760	765	anti-parallel
Strand 3	A	752	757	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	A	1033	1036	first strand
Strand 2	A	1071	1076	anti-parallel
Strand 3	A	1143	1144	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	A	1195	1196	first strand
Strand 2	B	164	169	parallel
Strand 3	A	1212	1215	anti-parallel

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There are 5 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	88	90	first strand
Strand 2	B	31	36	anti-parallel
Strand 3	B	120	128	anti-parallel
Strand 4	B	135	143	anti-parallel
Strand 5	B	149	151	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	B	88	90	first strand
Strand 2	B	31	36	anti-parallel
Strand 3	B	120	128	anti-parallel
Strand 4	B	135	143	anti-parallel
Strand 5	B	157	160	anti-parallel

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There are 13 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	96	99	first strand
Strand 2	B	58	62	anti-parallel
Strand 3	B	65	72	anti-parallel
Strand 4	B	75	82	anti-parallel
Strand 5	B	310	314	anti-parallel
Strand 6	B	298	303	anti-parallel
Strand 7	B	286	291	anti-parallel
Strand 8	B	176	180	anti-parallel
Strand 9	B	255	258	anti-parallel
Strand 10	B	218	225	parallel
Strand 11	B	209	213	anti-parallel
Strand 12	B	200	205	anti-parallel
Strand 13	B	265	269	anti-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	101	102	first strand
Strand 2	B	106	107	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: 9ENP

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