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

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 4XXW entry

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

Chain ID	Initial residue	Terminal residue
B	ASP 8	HIS 236
A	ASP 8	HIS 236
C	GLN 1	THR 204
D	GLN 1	THR 204

There are 14 helices in PDB entry 4XXW. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	B	59	62	Right-handed 310
Helix 2	AA2	B	160	164	Right-handed 310
Helix 3	AA3	B	178	182	Right-handed alpha
Helix 4	AA4	B	219	223	Right-handed 310
Helix 5	AA5	A	59	62	Right-handed 310
Helix 6	AA6	A	160	164	Right-handed 310
Helix 7	AA7	A	178	182	Right-handed alpha
Helix 8	AA8	A	219	223	Right-handed 310
Helix 9	AA9	C	10	15	Right-handed 310
Helix 10	AB1	C	48	54	Right-handed alpha
Helix 11	AB2	C	138	143	Right-handed 310
Helix 12	AB3	D	10	15	Right-handed 310
Helix 13	AB4	D	48	54	Right-handed alpha
Helix 14	AB5	D	138	143	Right-handed 310

There are 22 sheets in PDB entry 4XXW. 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 4 strands in AA1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	21	26	first strand
Strand 2	B	107	117	parallel
Strand 3	B	92	101	anti-parallel
Strand 4	B	52	57	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	B	34	36	first strand
Strand 2	B	72	75	anti-parallel
Strand 3	B	64	67	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	B	125	126	first strand
Strand 2	B	155	156	anti-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	131	136	first strand
Strand 2	B	225	235	parallel
Strand 3	B	206	215	anti-parallel
Strand 4	B	166	171	anti-parallel

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There are 3 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	144	146	first strand
Strand 2	B	193	195	anti-parallel
Strand 3	B	183	184	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	A	21	26	first strand
Strand 2	A	107	117	parallel
Strand 3	A	92	101	anti-parallel
Strand 4	A	52	57	anti-parallel

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There are 3 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	34	36	first strand
Strand 2	A	72	75	anti-parallel
Strand 3	A	64	67	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	125	126	first strand
Strand 2	A	155	156	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	A	131	136	first strand
Strand 2	A	225	235	parallel
Strand 3	A	206	214	anti-parallel
Strand 4	A	167	171	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	144	146	first strand
Strand 2	A	193	195	anti-parallel
Strand 3	A	183	184	anti-parallel

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There are 2 strands in AB2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	7	8	first strand
Strand 2	C	34	35	anti-parallel

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There are 4 strands in AB3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	17	20	first strand
Strand 2	C	90	100	parallel
Strand 3	C	77	85	anti-parallel
Strand 4	C	43	47	anti-parallel

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There are 3 strands in AB4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	28	31	first strand
Strand 2	C	63	66	anti-parallel
Strand 3	C	55	57	anti-parallel

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There are 2 strands in AB5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	108	109	first strand
Strand 2	C	133	134	anti-parallel

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There are 4 strands in AB6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	114	118	first strand
Strand 2	C	194	203	parallel
Strand 3	C	177	185	anti-parallel
Strand 4	C	145	148	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	C	127	130	first strand
Strand 2	C	163	166	anti-parallel
Strand 3	C	155	157	anti-parallel

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There are 2 strands in AB8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	7	8	first strand
Strand 2	D	34	35	anti-parallel

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There are 4 strands in AB9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	17	20	first strand
Strand 2	D	90	100	parallel
Strand 3	D	77	85	anti-parallel
Strand 4	D	43	47	anti-parallel

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There are 3 strands in AC1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	28	31	first strand
Strand 2	D	63	66	anti-parallel
Strand 3	D	55	57	anti-parallel

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There are 2 strands in AC2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	108	110	first strand
Strand 2	D	132	134	anti-parallel

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There are 4 strands in AC3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	114	119	first strand
Strand 2	D	194	204	parallel
Strand 3	D	177	185	anti-parallel
Strand 4	D	145	148	anti-parallel

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There are 3 strands in AC4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	127	130	first strand
Strand 2	D	163	166	anti-parallel
Strand 3	D	155	157	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: 4XXW

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