Analysis of interatomic Contacts of Structural Units in PDB entry:
7X9B

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 7X9B entry

There are 5 chains in PDB entry 7X9B (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	LEU 5	PHE 354
B	ASP 5	ASN 340
C	ILE 9	ARG 62
R	LEU 40	ARG 341
P	TYR 1	ARG 35

There are 25 helices in PDB entry 7X9B. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	7	33	Right-handed alpha
Helix 2	AA2	A	45	50	Right-handed alpha
Helix 3	AA3	A	207	216	Right-handed 310
Helix 4	AA4	A	228	232	Right-handed 310
Helix 5	AA5	A	242	255	Right-handed alpha
Helix 6	AA6	A	270	280	Right-handed alpha
Helix 7	AA7	A	282	286	Right-handed 310
Helix 8	AA8	A	295	308	Right-handed alpha
Helix 9	AA9	A	329	349	Right-handed alpha
Helix 10	AB1	B	6	25	Right-handed alpha
Helix 11	AB2	B	33	37	Right-handed 310
Helix 12	AB3	C	10	24	Right-handed alpha
Helix 13	AB4	C	29	44	Right-handed alpha
Helix 14	AB5	R	46	78	Right-handed alpha
Helix 15	AB6	R	83	104	Right-handed alpha
Helix 16	AB7	R	104	112	Right-handed alpha
Helix 17	AB8	R	121	124	Right-handed 310
Helix 18	AB9	R	125	153	Right-handed alpha
Helix 19	AC1	R	161	180	Right-handed alpha
Helix 20	AC2	R	181	184	Right-handed 310
Helix 21	AC3	R	213	249	Right-handed alpha
Helix 22	AC4	R	259	294	Right-handed alpha
Helix 23	AC5	R	302	328	Right-handed alpha
Helix 24	AC6	R	329	340	Right-handed alpha
Helix 25	AC7	P	13	32	Right-handed alpha

There are 8 sheets in PDB entry 7X9B. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8,

There are 5 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	185	190	first strand
Strand 2	A	195	200	anti-parallel
Strand 3	A	34	39	parallel
Strand 4	A	221	226	parallel
Strand 5	A	265	269	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	B	47	51	first strand
Strand 2	B	336	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 AA3 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	88	94	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	B	111	112	first strand
Strand 2	B	120	125	anti-parallel
Strand 3	B	134	140	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	146	149	first strand
Strand 2	B	158	161	anti-parallel
Strand 3	B	166	168	anti-parallel
Strand 4	B	178	180	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	187	192	first strand
Strand 2	B	199	203	anti-parallel
Strand 3	B	207	212	anti-parallel
Strand 4	B	217	218	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	233	234	first strand
Strand 2	B	240	242	anti-parallel
Strand 3	B	250	254	anti-parallel
Strand 4	B	259	264	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	B	284	285	first strand
Strand 2	B	294	298	anti-parallel
Strand 3	B	306	308	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: 7X9B

Analysis of interatomic Contacts of Structural Units in PDB entry:
7X9B