Analysis of interatomic Contacts of Structural Units in PDB entry:
2X8K

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 2X8K entry

There are 3 chains in PDB entry 2X8K (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	LYS 9	LEU 253
B	LYS 9	LEU 253
C	LYS 9	LEU 253

There are 6 helices in PDB entry 2X8K. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	73	89	Right-handed alpha
Helix 2	2	B	21	23	Right-handed 310
Helix 3	3	B	73	89	Right-handed alpha
Helix 4	4	B	218	221	Right-handed 310
Helix 5	5	C	73	89	Right-handed alpha
Helix 6	6	C	217	221	Right-handed 310

There are 13 sheets in PDB entry 2X8K. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, BA, BB, BC, BD, BE, CA, CB, CC, CD,

There are 9 strands in AA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	18	19	first strand
Strand 2	A	13	15	anti-parallel
Strand 3	A	94	98	anti-parallel
Strand 4	A	105	115	anti-parallel
Strand 5	A	123	145	anti-parallel
Strand 6	A	244	252	parallel
Strand 7	A	163	167	parallel
Strand 8	A	199	202	parallel
Strand 9	A	209	210	anti-parallel

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There are 7 strands in AB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	18	19	first strand
Strand 2	A	13	15	anti-parallel
Strand 3	A	94	98	anti-parallel
Strand 4	A	105	115	anti-parallel
Strand 5	A	123	145	anti-parallel
Strand 6	A	60	68	anti-parallel
Strand 7	A	24	30	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	38	42	first strand
Strand 2	A	51	56	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	150	153	first strand
Strand 2	A	235	240	anti-parallel
Strand 3	A	175	181	anti-parallel
Strand 4	A	184	191	anti-parallel

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There are 8 strands in BA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	18	19	first strand
Strand 2	B	13	15	anti-parallel
Strand 3	B	94	98	anti-parallel
Strand 4	B	105	115	anti-parallel
Strand 5	B	123	145	anti-parallel
Strand 6	B	244	252	parallel
Strand 7	B	163	167	anti-parallel
Strand 8	B	199	203	anti-parallel

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There are 7 strands in BB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	18	19	first strand
Strand 2	B	13	15	anti-parallel
Strand 3	B	94	98	anti-parallel
Strand 4	B	105	115	anti-parallel
Strand 5	B	123	145	anti-parallel
Strand 6	B	60	68	anti-parallel
Strand 7	B	25	30	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	38	42	first strand
Strand 2	B	51	56	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	150	153	first strand
Strand 2	B	235	240	anti-parallel
Strand 3	B	177	181	anti-parallel
Strand 4	B	184	188	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	210	211	first strand
Strand 2	B	215	216	anti-parallel

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There are 9 strands in CA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	18	19	first strand
Strand 2	C	13	15	anti-parallel
Strand 3	C	94	98	anti-parallel
Strand 4	C	105	115	anti-parallel
Strand 5	C	123	145	anti-parallel
Strand 6	C	244	252	parallel
Strand 7	C	163	167	parallel
Strand 8	C	199	203	parallel
Strand 9	C	208	210	anti-parallel

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There are 7 strands in CB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	18	19	first strand
Strand 2	C	13	15	anti-parallel
Strand 3	C	94	98	anti-parallel
Strand 4	C	105	115	anti-parallel
Strand 5	C	123	145	anti-parallel
Strand 6	C	60	68	anti-parallel
Strand 7	C	24	30	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	38	42	first strand
Strand 2	C	51	56	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	150	153	first strand
Strand 2	C	235	240	anti-parallel
Strand 3	C	175	181	anti-parallel
Strand 4	C	184	191	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: 2X8K

Analysis of interatomic Contacts of Structural Units in PDB entry:
2X8K