Analysis of interatomic Contacts of Structural Units in PDB entry:
4B2O

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 4B2O entry

There are 4 chains in PDB entry 4B2O (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	MET 1	GLU 264
B	MET 1	GLU 264
C	MET 1	GLU 264
D	MET 1	GLU 264

There are 25 helices in PDB entry 4B2O. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	10	30	Right-handed alpha
Helix 2	2	A	48	58	Right-handed alpha
Helix 3	3	A	74	79	Right-handed alpha
Helix 4	4	A	126	140	Right-handed alpha
Helix 5	5	A	153	164	Right-handed alpha
Helix 6	6	A	209	220	Right-handed alpha
Helix 7	7	B	10	30	Right-handed alpha
Helix 8	8	B	48	58	Right-handed alpha
Helix 9	9	B	74	79	Right-handed alpha
Helix 10	10	B	80	82	Right-handed 310
Helix 11	11	B	126	140	Right-handed alpha
Helix 12	12	B	153	164	Right-handed alpha
Helix 13	13	B	209	220	Right-handed alpha
Helix 14	14	C	10	30	Right-handed alpha
Helix 15	15	C	48	58	Right-handed alpha
Helix 16	16	C	72	78	Right-handed 310
Helix 17	17	C	126	142	Right-handed alpha
Helix 18	18	C	153	165	Right-handed alpha
Helix 19	19	C	209	220	Right-handed alpha
Helix 20	20	D	10	30	Right-handed alpha
Helix 21	21	D	48	58	Right-handed alpha
Helix 22	22	D	74	79	Right-handed alpha
Helix 23	23	D	126	140	Right-handed alpha
Helix 24	24	D	153	164	Right-handed alpha
Helix 25	25	D	209	220	Right-handed alpha

There are 16 sheets in PDB entry 4B2O. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, BA, BB, BC, BD, CA, CB, CC, CD, A, DB, C, DD,

There are 5 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	62	64	first strand
Strand 2	A	33	37	parallel
Strand 3	A	2	6	parallel
Strand 4	A	232	241	anti-parallel
Strand 5	A	248	256	anti-parallel

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There are 5 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	62	64	first strand
Strand 2	A	33	37	parallel
Strand 3	A	2	6	parallel
Strand 4	A	232	241	anti-parallel
Strand 5	A	200	201	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	248	256	first strand
Strand 2	A	232	241	anti-parallel

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There are 6 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	100	105	first strand
Strand 2	A	108	116	anti-parallel
Strand 3	A	145	150	parallel
Strand 4	A	170	174	parallel
Strand 5	A	191	193	parallel
Strand 6	A	184	185	anti-parallel

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There are 5 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	62	64	first strand
Strand 2	B	33	37	parallel
Strand 3	B	2	6	parallel
Strand 4	B	232	241	anti-parallel
Strand 5	B	248	256	anti-parallel

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There are 5 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	62	64	first strand
Strand 2	B	33	37	parallel
Strand 3	B	2	6	parallel
Strand 4	B	232	241	anti-parallel
Strand 5	B	200	201	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	248	256	first strand
Strand 2	B	232	241	anti-parallel

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There are 6 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	100	105	first strand
Strand 2	B	108	116	anti-parallel
Strand 3	B	145	150	parallel
Strand 4	B	170	174	parallel
Strand 5	B	191	193	parallel
Strand 6	B	184	185	anti-parallel

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There are 5 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	62	64	first strand
Strand 2	C	33	37	parallel
Strand 3	C	2	6	parallel
Strand 4	C	232	241	anti-parallel
Strand 5	C	248	256	anti-parallel

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There are 5 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	62	64	first strand
Strand 2	C	33	37	parallel
Strand 3	C	2	6	parallel
Strand 4	C	232	241	anti-parallel
Strand 5	C	200	201	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	248	256	first strand
Strand 2	C	232	241	anti-parallel

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There are 6 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	100	105	first strand
Strand 2	C	108	116	anti-parallel
Strand 3	C	145	150	parallel
Strand 4	C	170	174	parallel
Strand 5	C	191	193	parallel
Strand 6	C	184	185	anti-parallel

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There are 5 strands in A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	62	64	first strand
Strand 2	D	33	37	parallel
Strand 3	D	2	6	parallel
Strand 4	D	232	241	anti-parallel
Strand 5	D	248	256	anti-parallel

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There are 5 strands in DB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	62	64	first strand
Strand 2	D	33	37	parallel
Strand 3	D	2	6	parallel
Strand 4	D	232	241	anti-parallel
Strand 5	D	200	201	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	248	256	first strand
Strand 2	D	232	241	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	100	105	first strand
Strand 2	D	108	116	anti-parallel
Strand 3	D	145	150	parallel
Strand 4	D	170	174	parallel
Strand 5	D	191	193	parallel
Strand 6	D	184	185	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: 4B2O

Analysis of interatomic Contacts of Structural Units in PDB entry:
4B2O