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

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 9EKB entry

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

Chain ID	Initial residue	Terminal residue
A	ALA 39	TRP 1107
B	MET 1	ALA 457
C	ASP 3	ALA 144
D	ARG 39	LEU 107

There are 58 helices in PDB entry 9EKB. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	39	57	Right-handed alpha
Helix 2	AA2	A	157	175	Right-handed alpha
Helix 3	AA3	A	219	229	Right-handed alpha
Helix 4	AA4	A	249	259	Right-handed alpha
Helix 5	AA5	A	302	306	Right-handed 310
Helix 6	AA6	A	373	389	Right-handed alpha
Helix 7	AA7	A	401	414	Right-handed alpha
Helix 8	AA8	A	459	467	Right-handed alpha
Helix 9	AA9	A	473	483	Right-handed alpha
Helix 10	AB1	A	490	499	Right-handed alpha
Helix 11	AB2	A	501	527	Right-handed alpha
Helix 12	AB3	A	527	539	Right-handed alpha
Helix 13	AB4	A	543	548	Right-handed 310
Helix 14	AB5	A	551	567	Right-handed alpha
Helix 15	AB6	A	605	614	Right-handed alpha
Helix 16	AB7	A	626	631	Right-handed alpha
Helix 17	AB8	A	654	675	Right-handed alpha
Helix 18	AB9	A	679	705	Right-handed alpha
Helix 19	AC1	A	713	739	Right-handed alpha
Helix 20	AC2	A	740	744	Right-handed 310
Helix 21	AC3	A	767	784	Right-handed alpha
Helix 22	AC4	A	837	853	Right-handed alpha
Helix 23	AC5	A	856	873	Right-handed alpha
Helix 24	AC6	A	877	882	Right-handed 310
Helix 25	AC7	A	890	894	Right-handed 310
Helix 26	AC8	A	898	911	Right-handed alpha
Helix 27	AC9	A	934	937	Right-handed 310
Helix 28	AD1	A	941	949	Right-handed alpha
Helix 29	AD2	A	953	962	Right-handed alpha
Helix 30	AD3	A	962	975	Right-handed alpha
Helix 31	AD4	A	977	985	Right-handed alpha
Helix 32	AD5	A	1029	1031	Right-handed 310
Helix 33	AD6	A	1032	1063	Right-handed alpha
Helix 34	AD7	A	1076	1097	Right-handed alpha
Helix 35	AD8	B	2	7	Right-handed alpha
Helix 36	AD9	B	36	40	Right-handed 310
Helix 37	AE1	B	50	71	Right-handed alpha
Helix 38	AE2	B	81	85	Right-handed 310
Helix 39	AE3	B	106	112	Right-handed alpha
Helix 40	AE4	B	208	223	Right-handed alpha
Helix 41	AE5	B	228	236	Right-handed alpha
Helix 42	AE6	B	249	253	Right-handed 310
Helix 43	AE7	B	271	288	Right-handed alpha
Helix 44	AE8	B	312	316	Right-handed 310
Helix 45	AE9	B	318	322	Right-handed 310
Helix 46	AF1	B	346	355	Right-handed alpha
Helix 47	AF2	B	360	371	Right-handed alpha
Helix 48	AF3	B	430	435	Right-handed alpha
Helix 49	AF4	C	4	15	Right-handed alpha
Helix 50	AF5	C	22	31	Right-handed alpha
Helix 51	AF6	C	33	52	Right-handed alpha
Helix 52	AF7	C	84	92	Right-handed alpha
Helix 53	AF8	C	111	125	Right-handed alpha
Helix 54	AF9	C	126	129	Right-handed 310
Helix 55	AG1	D	40	55	Right-handed alpha
Helix 56	AG2	D	65	76	Right-handed alpha
Helix 57	AG3	D	81	91	Right-handed alpha
Helix 58	AG4	D	94	99	Right-handed alpha

There are 12 sheets in PDB entry 9EKB. 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 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	274	275	first strand
Strand 2	A	286	291	anti-parallel
Strand 3	A	136	142	parallel
Strand 4	A	122	131	anti-parallel
Strand 5	A	94	106	anti-parallel
Strand 6	A	265	268	anti-parallel
Strand 7	A	296	298	anti-parallel

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There are 4 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	147	151	first strand
Strand 2	A	207	214	anti-parallel
Strand 3	A	187	197	anti-parallel
Strand 4	A	568	569	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	368	371	first strand
Strand 2	A	351	357	parallel
Strand 3	A	334	343	anti-parallel
Strand 4	A	311	319	anti-parallel
Strand 5	A	392	395	parallel
Strand 6	A	455	458	parallel

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There are 2 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	431	438	first strand
Strand 2	A	442	449	anti-parallel

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There are 7 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	592	594	first strand
Strand 2	A	801	805	anti-parallel
Strand 3	A	808	814	anti-parallel
Strand 4	A	792	798	anti-parallel
Strand 5	A	598	603	anti-parallel
Strand 6	A	759	762	anti-parallel
Strand 7	A	750	754	anti-parallel

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There are 4 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	592	594	first strand
Strand 2	A	801	805	anti-parallel
Strand 3	A	808	814	anti-parallel
Strand 4	A	824	826	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	A	637	639	first strand
Strand 2	A	645	647	anti-parallel

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There are 3 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	883	886	first strand
Strand 2	A	921	926	anti-parallel
Strand 3	A	939	940	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	24	25	first strand
Strand 2	C	135	136	parallel

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There are 6 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	32	34	first strand
Strand 2	B	334	336	anti-parallel
Strand 3	B	339	344	anti-parallel
Strand 4	B	401	407	parallel
Strand 5	B	423	429	parallel
Strand 6	B	411	415	anti-parallel

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There are 6 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	91	100	first strand
Strand 2	B	132	136	anti-parallel
Strand 3	B	141	146	anti-parallel
Strand 4	B	171	177	parallel
Strand 5	B	158	165	anti-parallel
Strand 6	B	91	100	anti-parallel

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There are 9 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	327	first strand
Strand 2	B	292	295	parallel
Strand 3	B	238	244	parallel
Strand 4	B	195	199	parallel
Strand 5	B	436	441	anti-parallel
Strand 6	B	447	454	anti-parallel
Strand 7	C	72	80	parallel
Strand 8	C	60	69	anti-parallel
Strand 9	C	95	102	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: 9EKB

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