Analysis of interatomic Contacts of Structural Units in PDB entry:
4XSC

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 4XSC entry

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

Chain ID	Initial residue	Terminal residue
A	THR 14	PRO 293
B	GLY 12	LEU 295
C	LEU 15	LEU 295
D	THR 14	LEU 295

There are 39 helices in PDB entry 4XSC. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	17	31	Right-handed alpha
Helix 2	AA2	A	68	81	Right-handed alpha
Helix 3	AA3	A	86	91	Right-handed alpha
Helix 4	AA4	A	122	130	Right-handed alpha
Helix 5	AA5	A	147	159	Right-handed alpha
Helix 6	AA6	A	174	178	Right-handed 310
Helix 7	AA7	A	209	230	Right-handed alpha
Helix 8	AA8	A	248	257	Right-handed alpha
Helix 9	AA9	A	280	282	Right-handed 310
Helix 10	AB1	B	16	31	Right-handed alpha
Helix 11	AB2	B	68	81	Right-handed alpha
Helix 12	AB3	B	85	91	Right-handed alpha
Helix 13	AB4	B	97	102	Right-handed alpha
Helix 14	AB5	B	102	109	Right-handed alpha
Helix 15	AB6	B	122	130	Right-handed alpha
Helix 16	AB7	B	147	159	Right-handed alpha
Helix 17	AB8	B	174	178	Right-handed 310
Helix 18	AB9	B	209	229	Right-handed alpha
Helix 19	AC1	B	249	258	Right-handed alpha
Helix 20	AC2	B	280	282	Right-handed 310
Helix 21	AC3	C	17	32	Right-handed alpha
Helix 22	AC4	C	68	81	Right-handed alpha
Helix 23	AC5	C	86	92	Right-handed alpha
Helix 24	AC6	C	122	130	Right-handed alpha
Helix 25	AC7	C	147	159	Right-handed alpha
Helix 26	AC8	C	174	178	Right-handed 310
Helix 27	AC9	C	209	230	Right-handed alpha
Helix 28	AD1	C	249	259	Right-handed alpha
Helix 29	AD2	C	275	279	Right-handed 310
Helix 30	AD3	C	280	282	Right-handed 310
Helix 31	AD4	D	16	32	Right-handed alpha
Helix 32	AD5	D	68	81	Right-handed alpha
Helix 33	AD6	D	86	91	Right-handed alpha
Helix 34	AD7	D	102	108	Right-handed alpha
Helix 35	AD8	D	123	130	Right-handed alpha
Helix 36	AD9	D	147	159	Right-handed alpha
Helix 37	AE1	D	209	229	Right-handed alpha
Helix 38	AE2	D	249	257	Right-handed alpha
Helix 39	AE3	D	280	282	Right-handed 310

There are 8 sheets in PDB entry 4XSC. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8,

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	A	33	36	first strand
Strand 2	A	42	54	anti-parallel
Strand 3	A	232	246	anti-parallel
Strand 4	A	195	206	parallel
Strand 5	A	184	192	anti-parallel
Strand 6	A	166	168	anti-parallel

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There are 2 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	266	269	first strand
Strand 2	A	284	287	anti-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	B	33	35	first strand
Strand 2	B	43	54	anti-parallel
Strand 3	B	232	246	anti-parallel
Strand 4	B	195	206	parallel
Strand 5	B	184	191	anti-parallel
Strand 6	B	166	168	anti-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	B	266	269	first strand
Strand 2	B	284	287	anti-parallel

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There are 6 strands in AA5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	33	36	first strand
Strand 2	C	42	54	anti-parallel
Strand 3	C	232	246	anti-parallel
Strand 4	C	195	206	parallel
Strand 5	C	186	192	anti-parallel
Strand 6	C	166	168	anti-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	C	266	269	first strand
Strand 2	C	284	287	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	D	33	35	first strand
Strand 2	D	43	54	anti-parallel
Strand 3	D	232	246	anti-parallel
Strand 4	D	195	206	parallel
Strand 5	D	184	192	anti-parallel
Strand 6	D	166	168	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	D	266	269	first strand
Strand 2	D	284	287	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: 4XSC

Analysis of interatomic Contacts of Structural Units in PDB entry:
4XSC