Analysis of interatomic Contacts of Structural Units in PDB entry:
7KCH

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 7KCH entry

There are 4 chains in PDB entry 7KCH (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
G	ASP 1	PHE 375
A	GLY 14	ASN 748
B	ASP 1	PHE 375
C	ASP 1	PHE 375

There are 84 helices in PDB entry 7KCH. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	G	78	92	Right-handed alpha
Helix 2	AA2	G	97	101	Right-handed 310
Helix 3	AA3	G	112	128	Right-handed alpha
Helix 4	AA4	G	139	146	Right-handed alpha
Helix 5	AA5	G	181	197	Right-handed alpha
Helix 6	AA6	G	202	204	Right-handed 310
Helix 7	AA7	G	205	216	Right-handed alpha
Helix 8	AA8	G	224	230	Right-handed alpha
Helix 9	AA9	G	233	237	Right-handed 310
Helix 10	AB1	G	251	255	Right-handed 310
Helix 11	AB2	G	258	263	Right-handed 310
Helix 12	AB3	G	273	284	Right-handed alpha
Helix 13	AB4	G	290	296	Right-handed alpha
Helix 14	AB5	G	301	305	Right-handed 310
Helix 15	AB6	G	308	321	Right-handed alpha
Helix 16	AB7	G	334	336	Right-handed 310
Helix 17	AB8	G	337	349	Right-handed alpha
Helix 18	AB9	G	359	366	Right-handed alpha
Helix 19	AC1	G	368	373	Right-handed alpha
Helix 20	AC2	A	78	92	Right-handed alpha
Helix 21	AC3	A	117	127	Right-handed alpha
Helix 22	AC4	A	136	149	Right-handed alpha
Helix 23	AC5	A	165	182	Right-handed alpha
Helix 24	AC6	A	191	207	Right-handed alpha
Helix 25	AC7	A	243	248	Right-handed 310
Helix 26	AC8	A	257	265	Right-handed alpha
Helix 27	AC9	A	268	276	Right-handed alpha
Helix 28	AD1	A	298	314	Right-handed alpha
Helix 29	AD2	A	316	335	Right-handed alpha
Helix 30	AD3	A	344	348	Right-handed 310
Helix 31	AD4	A	354	365	Right-handed alpha
Helix 32	AD5	A	367	377	Right-handed alpha
Helix 33	AD6	A	393	425	Right-handed alpha
Helix 34	AD7	A	449	481	Right-handed alpha
Helix 35	AD8	A	491	501	Right-handed alpha
Helix 36	AD9	A	506	517	Right-handed alpha
Helix 37	AE1	A	521	532	Right-handed alpha
Helix 38	AE2	A	564	569	Right-handed alpha
Helix 39	AE3	A	574	583	Right-handed alpha
Helix 40	AE4	A	586	593	Right-handed alpha
Helix 41	AE5	A	615	632	Right-handed alpha
Helix 42	AE6	A	654	665	Right-handed alpha
Helix 43	AE7	A	666	677	Right-handed alpha
Helix 44	AE8	A	684	695	Right-handed alpha
Helix 45	AE9	A	710	718	Right-handed alpha
Helix 46	AF1	A	735	748	Right-handed alpha
Helix 47	AF2	B	78	92	Right-handed alpha
Helix 48	AF3	B	97	101	Right-handed 310
Helix 49	AF4	B	112	128	Right-handed alpha
Helix 50	AF5	B	139	146	Right-handed alpha
Helix 51	AF6	B	181	197	Right-handed alpha
Helix 52	AF7	B	202	204	Right-handed 310
Helix 53	AF8	B	205	216	Right-handed alpha
Helix 54	AF9	B	224	230	Right-handed alpha
Helix 55	AG1	B	233	237	Right-handed 310
Helix 56	AG2	B	251	255	Right-handed 310
Helix 57	AG3	B	258	263	Right-handed 310
Helix 58	AG4	B	273	284	Right-handed alpha
Helix 59	AG5	B	290	296	Right-handed alpha
Helix 60	AG6	B	301	305	Right-handed 310
Helix 61	AG7	B	308	321	Right-handed alpha
Helix 62	AG8	B	334	336	Right-handed 310
Helix 63	AG9	B	337	349	Right-handed alpha
Helix 64	AH1	B	359	366	Right-handed alpha
Helix 65	AH2	B	368	373	Right-handed alpha
Helix 66	AH3	C	78	92	Right-handed alpha
Helix 67	AH4	C	97	101	Right-handed 310
Helix 68	AH5	C	112	128	Right-handed alpha
Helix 69	AH6	C	139	146	Right-handed alpha
Helix 70	AH7	C	181	197	Right-handed alpha
Helix 71	AH8	C	202	204	Right-handed 310
Helix 72	AH9	C	205	216	Right-handed alpha
Helix 73	AI1	C	224	230	Right-handed alpha
Helix 74	AI2	C	233	237	Right-handed 310
Helix 75	AI3	C	251	255	Right-handed 310
Helix 76	AI4	C	258	263	Right-handed 310
Helix 77	AI5	C	273	284	Right-handed alpha
Helix 78	AI6	C	290	296	Right-handed alpha
Helix 79	AI7	C	301	305	Right-handed 310
Helix 80	AI8	C	308	321	Right-handed alpha
Helix 81	AI9	C	334	336	Right-handed 310
Helix 82	AJ1	C	337	349	Right-handed alpha
Helix 83	AJ2	C	359	366	Right-handed alpha
Helix 84	AJ3	C	368	373	Right-handed alpha

There are 22 sheets in PDB entry 7KCH. 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,

There are 6 strands in AA1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	29	32	first strand
Strand 2	G	16	21	anti-parallel
Strand 3	G	8	11	anti-parallel
Strand 4	G	103	105	parallel
Strand 5	G	131	134	parallel
Strand 6	G	357	358	anti-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	G	53	54	first strand
Strand 2	G	35	38	anti-parallel
Strand 3	G	65	68	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	G	71	72	first strand
Strand 2	G	75	76	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	G	169	170	first strand
Strand 2	G	160	166	anti-parallel
Strand 3	G	176	178	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	G	169	170	first strand
Strand 2	G	160	166	anti-parallel
Strand 3	G	151	155	anti-parallel
Strand 4	G	297	300	parallel
Strand 5	G	329	330	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	G	238	241	first strand
Strand 2	G	247	250	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	103	106	first strand
Strand 2	A	635	642	parallel
Strand 3	A	154	160	parallel
Strand 4	A	432	438	parallel
Strand 5	A	221	228	anti-parallel
Strand 6	A	231	236	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	381	382	first strand
Strand 2	A	387	388	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	539	541	first strand
Strand 2	A	548	553	anti-parallel
Strand 3	A	556	561	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	680	683	first strand
Strand 2	A	731	734	anti-parallel
Strand 3	A	726	727	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	29	32	first strand
Strand 2	B	16	21	anti-parallel
Strand 3	B	8	11	anti-parallel
Strand 4	B	103	105	parallel
Strand 5	B	131	134	parallel
Strand 6	B	357	358	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	B	53	54	first strand
Strand 2	B	35	38	anti-parallel
Strand 3	B	65	68	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	B	71	72	first strand
Strand 2	B	75	76	anti-parallel

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There are 3 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	169	170	first strand
Strand 2	B	160	166	anti-parallel
Strand 3	B	176	178	anti-parallel

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There are 5 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	169	170	first strand
Strand 2	B	160	166	anti-parallel
Strand 3	B	151	155	anti-parallel
Strand 4	B	297	300	parallel
Strand 5	B	329	330	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	238	241	first strand
Strand 2	B	247	250	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	C	29	32	first strand
Strand 2	C	16	21	anti-parallel
Strand 3	C	8	11	anti-parallel
Strand 4	C	103	105	parallel
Strand 5	C	131	134	parallel
Strand 6	C	357	358	anti-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	C	53	54	first strand
Strand 2	C	35	38	anti-parallel
Strand 3	C	65	68	anti-parallel

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There are 2 strands in AC1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	71	72	first strand
Strand 2	C	75	76	anti-parallel

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There are 3 strands in AC2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	169	170	first strand
Strand 2	C	160	166	anti-parallel
Strand 3	C	176	178	anti-parallel

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There are 5 strands in AC3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	169	170	first strand
Strand 2	C	160	166	anti-parallel
Strand 3	C	151	155	anti-parallel
Strand 4	C	297	300	parallel
Strand 5	C	329	330	parallel

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There are 2 strands in AC4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	238	241	first strand
Strand 2	C	247	250	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: 7KCH

Analysis of interatomic Contacts of Structural Units in PDB entry:
7KCH