Analysis of interatomic Contacts of Structural Units in PDB entry:
4X6B

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 4X6B entry

There are 4 chains in PDB entry 4X6B (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLU 2	SER 202
B	ASN 1	ALA 244
C	GLU 2	SER 202
D	GLY 3	ALA 244

There are 13 helices in PDB entry 4X6B. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	79	83	Right-handed 310
Helix 2	AA2	A	165	168	Right-handed 310
Helix 3	AA3	A	184	189	Right-handed alpha
Helix 4	AA4	B	82	86	Right-handed 310
Helix 5	AA5	B	117	121	Right-handed 310
Helix 6	AA6	B	132	140	Right-handed alpha
Helix 7	AA7	B	199	203	Right-handed alpha
Helix 8	AA8	C	79	83	Right-handed 310
Helix 9	AA9	C	184	189	Right-handed alpha
Helix 10	AB1	D	82	86	Right-handed 310
Helix 11	AB2	D	117	121	Right-handed 310
Helix 12	AB3	D	132	140	Right-handed alpha
Helix 13	AB4	D	199	204	Right-handed alpha

There are 20 sheets in PDB entry 4X6B. 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,

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	3	5	first strand
Strand 2	A	18	24	anti-parallel
Strand 3	A	70	75	anti-parallel
Strand 4	A	60	65	anti-parallel
Strand 5	A	53	57	anti-parallel

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There are 5 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	10	13	first strand
Strand 2	A	106	111	parallel
Strand 3	A	84	92	anti-parallel
Strand 4	A	29	37	anti-parallel
Strand 5	A	44	50	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	A	10	13	first strand
Strand 2	A	106	111	parallel
Strand 3	A	84	92	anti-parallel
Strand 4	A	101	102	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	A	120	123	first strand
Strand 2	A	133	138	anti-parallel
Strand 3	A	169	178	anti-parallel
Strand 4	A	155	164	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	4	7	first strand
Strand 2	B	19	25	anti-parallel
Strand 3	B	73	78	anti-parallel
Strand 4	B	65	70	anti-parallel

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There are 6 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	10	14	first strand
Strand 2	B	110	115	parallel
Strand 3	B	87	94	anti-parallel
Strand 4	B	31	37	anti-parallel
Strand 5	B	43	51	anti-parallel
Strand 6	B	54	57	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	10	14	first strand
Strand 2	B	110	115	parallel
Strand 3	B	87	94	anti-parallel
Strand 4	B	105	106	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	125	129	first strand
Strand 2	B	141	151	anti-parallel
Strand 3	B	189	198	anti-parallel
Strand 4	B	171	173	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	125	129	first strand
Strand 2	B	141	151	anti-parallel
Strand 3	B	189	198	anti-parallel
Strand 4	B	178	179	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	165	167	first strand
Strand 2	B	156	162	anti-parallel
Strand 3	B	208	215	anti-parallel
Strand 4	B	234	241	anti-parallel

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There are 5 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	3	5	first strand
Strand 2	C	18	24	anti-parallel
Strand 3	C	70	75	anti-parallel
Strand 4	C	60	65	anti-parallel
Strand 5	C	53	57	anti-parallel

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There are 5 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	10	13	first strand
Strand 2	C	106	111	parallel
Strand 3	C	84	92	anti-parallel
Strand 4	C	29	37	anti-parallel
Strand 5	C	44	50	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	C	10	13	first strand
Strand 2	C	106	111	parallel
Strand 3	C	84	92	anti-parallel
Strand 4	C	101	102	anti-parallel

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There are 4 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	120	123	first strand
Strand 2	C	134	138	anti-parallel
Strand 3	C	173	177	anti-parallel
Strand 4	C	155	157	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	C	161	162	first strand
Strand 2	D	171	173	anti-parallel
Strand 3	D	189	198	anti-parallel
Strand 4	D	141	151	anti-parallel
Strand 5	D	125	129	anti-parallel

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There are 4 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	161	162	first strand
Strand 2	D	171	173	anti-parallel
Strand 3	D	189	198	anti-parallel
Strand 4	D	178	179	anti-parallel

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There are 4 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	4	7	first strand
Strand 2	D	19	25	anti-parallel
Strand 3	D	73	78	anti-parallel
Strand 4	D	65	70	anti-parallel

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There are 6 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	10	14	first strand
Strand 2	D	110	115	parallel
Strand 3	D	87	94	anti-parallel
Strand 4	D	31	37	anti-parallel
Strand 5	D	43	51	anti-parallel
Strand 6	D	54	57	anti-parallel

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There are 4 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	10	14	first strand
Strand 2	D	110	115	parallel
Strand 3	D	87	94	anti-parallel
Strand 4	D	105	106	anti-parallel

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There are 4 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	165	167	first strand
Strand 2	D	156	162	anti-parallel
Strand 3	D	208	215	anti-parallel
Strand 4	D	234	241	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: 4X6B

Analysis of interatomic Contacts of Structural Units in PDB entry:
4X6B