Analysis of interatomic Contacts of Structural Units in PDB entry:
9K3P

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 9K3P entry

There are 6 chains in PDB entry 9K3P (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
R	SER 41	THR 308
A	LEU 12	LEU 394
B	LEU 4	SER 343
G	ALA 10	ARG 62
N	GLN 5	SER 127
S	VAL 2	LEU 247

There are 31 helices in PDB entry 9K3P. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	R	43	66	Right-handed alpha
Helix 2	AA2	R	67	70	Right-handed 310
Helix 3	AA3	R	71	101	Right-handed alpha
Helix 4	AA4	R	102	104	Right-handed 310
Helix 5	AA5	R	109	148	Right-handed alpha
Helix 6	AA6	R	151	155	Right-handed 310
Helix 7	AA7	R	157	180	Right-handed alpha
Helix 8	AA8	R	190	209	Right-handed alpha
Helix 9	AA9	R	210	224	Right-handed alpha
Helix 10	AB1	R	238	264	Right-handed alpha
Helix 11	AB2	R	276	278	Right-handed 310
Helix 12	AB3	R	279	289	Right-handed alpha
Helix 13	AB4	R	289	299	Right-handed alpha
Helix 14	AB5	R	302	308	Right-handed alpha
Helix 15	AB6	A	13	38	Right-handed alpha
Helix 16	AB7	A	52	61	Right-handed alpha
Helix 17	AB8	A	235	239	Right-handed 310
Helix 18	AB9	A	252	278	Right-handed alpha
Helix 19	AC1	A	293	303	Right-handed alpha
Helix 20	AC2	A	307	311	Right-handed 310
Helix 21	AC3	A	312	316	Right-handed 310
Helix 22	AC4	A	331	352	Right-handed alpha
Helix 23	AC5	A	370	391	Right-handed alpha
Helix 24	AC6	B	5	26	Right-handed alpha
Helix 25	AC7	G	11	24	Right-handed alpha
Helix 26	AC8	G	29	43	Right-handed alpha
Helix 27	AC9	N	28	32	Right-handed 310
Helix 28	AD1	S	28	32	Right-handed 310
Helix 29	AD2	S	53	56	Right-handed 310
Helix 30	AD3	S	74	77	Right-handed 310
Helix 31	AD4	S	87	91	Right-handed 310

There are 18 sheets in PDB entry 9K3P. 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,

There are 3 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	40	41	first strand
Strand 2	A	218	220	parallel
Strand 3	A	211	213	anti-parallel

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There are 6 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	207	208	first strand
Strand 2	A	222	224	anti-parallel
Strand 3	A	43	46	parallel
Strand 4	A	243	246	parallel
Strand 5	A	286	292	parallel
Strand 6	A	248	249	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	207	208	first strand
Strand 2	A	222	224	anti-parallel
Strand 3	A	43	46	parallel
Strand 4	A	243	246	parallel
Strand 5	A	286	292	parallel
Strand 6	A	359	363	parallel

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There are 4 strands in AA4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	49	52	first strand
Strand 2	B	335	339	anti-parallel
Strand 3	B	327	331	anti-parallel
Strand 4	B	315	320	anti-parallel

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There are 4 strands in AA5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	58	63	first strand
Strand 2	B	69	74	anti-parallel
Strand 3	B	78	83	anti-parallel
Strand 4	B	89	94	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	B	100	105	first strand
Strand 2	B	111	116	anti-parallel
Strand 3	B	121	125	anti-parallel
Strand 4	B	134	139	anti-parallel

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There are 4 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	146	153	first strand
Strand 2	B	156	161	anti-parallel
Strand 3	B	166	170	anti-parallel
Strand 4	B	175	180	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	B	189	192	first strand
Strand 2	B	198	202	anti-parallel
Strand 3	B	208	212	anti-parallel
Strand 4	B	217	222	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	B	229	234	first strand
Strand 2	B	240	245	anti-parallel
Strand 3	B	250	254	anti-parallel
Strand 4	B	259	264	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	B	273	277	first strand
Strand 2	B	284	289	anti-parallel
Strand 3	B	294	298	anti-parallel
Strand 4	B	304	306	anti-parallel

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There are 4 strands in AB2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	6	7	first strand
Strand 2	N	16	23	anti-parallel
Strand 3	N	78	86	anti-parallel
Strand 4	N	69	73	anti-parallel

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There are 6 strands in AB3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	11	12	first strand
Strand 2	N	123	126	parallel
Strand 3	N	92	95	anti-parallel
Strand 4	N	35	39	anti-parallel
Strand 5	N	46	51	anti-parallel
Strand 6	N	58	59	anti-parallel

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There are 4 strands in AB4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	S	3	5	first strand
Strand 2	S	18	25	anti-parallel
Strand 3	S	78	83	anti-parallel
Strand 4	S	69	73	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	S	58	60	first strand
Strand 2	S	45	51	anti-parallel
Strand 3	S	33	39	anti-parallel
Strand 4	S	92	99	anti-parallel
Strand 5	S	110	111	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	S	58	60	first strand
Strand 2	S	45	51	anti-parallel
Strand 3	S	33	39	anti-parallel
Strand 4	S	92	99	anti-parallel
Strand 5	S	115	117	anti-parallel

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There are 3 strands in AB7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	S	146	148	first strand
Strand 2	S	243	246	parallel
Strand 3	S	225	227	anti-parallel

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There are 3 strands in AB8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	S	155	160	first strand
Strand 2	S	211	216	anti-parallel
Strand 3	S	203	207	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	S	185	189	first strand
Strand 2	S	174	179	anti-parallel
Strand 3	S	229	231	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: 9K3P

Analysis of interatomic Contacts of Structural Units in PDB entry:
9K3P