Analysis of interatomic Contacts of Structural Units in PDB entry:
3AQO

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 3AQO entry

There are 4 chains in PDB entry 3AQO (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLY 42	ILE 262
B	LEU 43	ILE 262
C	GLY 41	ILE 262
D	GLY 42	ILE 262

There are 28 helices in PDB entry 3AQO. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	55	74	Right-handed alpha
Helix 2	2	A	96	109	Right-handed alpha
Helix 3	3	A	126	136	Right-handed alpha
Helix 4	4	A	141	147	Right-handed alpha
Helix 5	5	A	151	155	Right-handed 310
Helix 6	6	A	185	199	Right-handed alpha
Helix 7	7	A	234	248	Right-handed alpha
Helix 8	8	B	55	74	Right-handed alpha
Helix 9	9	B	96	108	Right-handed alpha
Helix 10	10	B	126	137	Right-handed alpha
Helix 11	11	B	141	147	Right-handed alpha
Helix 12	12	B	151	153	Right-handed 310
Helix 13	13	B	185	199	Right-handed alpha
Helix 14	14	B	234	248	Right-handed alpha
Helix 15	15	C	55	73	Right-handed alpha
Helix 16	16	C	96	108	Right-handed alpha
Helix 17	17	C	126	137	Right-handed alpha
Helix 18	18	C	141	147	Right-handed alpha
Helix 19	19	C	151	155	Right-handed 310
Helix 20	20	C	185	199	Right-handed alpha
Helix 21	21	C	234	247	Right-handed alpha
Helix 22	22	D	55	73	Right-handed alpha
Helix 23	23	D	96	108	Right-handed alpha
Helix 24	24	D	126	137	Right-handed alpha
Helix 25	25	D	141	147	Right-handed alpha
Helix 26	26	D	151	155	Right-handed 310
Helix 27	27	D	185	200	Right-handed alpha
Helix 28	28	D	234	248	Right-handed alpha

There are 10 sheets in PDB entry 3AQO. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	79	83	first strand
Strand 2	A	87	92	anti-parallel
Strand 3	A	43	49	anti-parallel
Strand 4	A	254	261	anti-parallel
Strand 5	C	254	262	anti-parallel
Strand 6	C	42	49	anti-parallel
Strand 7	C	87	92	anti-parallel
Strand 8	C	79	83	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	160	161	first strand
Strand 2	A	113	117	anti-parallel
Strand 3	A	204	208	anti-parallel
Strand 4	A	211	214	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	165	172	first strand
Strand 2	A	178	184	anti-parallel
Strand 3	A	226	229	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	79	83	first strand
Strand 2	B	87	91	anti-parallel
Strand 3	B	44	49	anti-parallel
Strand 4	B	254	260	anti-parallel
Strand 5	D	254	261	anti-parallel
Strand 6	D	43	49	anti-parallel
Strand 7	D	87	92	anti-parallel
Strand 8	D	79	83	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	155	161	first strand
Strand 2	B	113	118	anti-parallel
Strand 3	B	204	208	anti-parallel
Strand 4	B	211	214	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	165	172	first strand
Strand 2	B	178	184	anti-parallel
Strand 3	B	226	229	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	160	161	first strand
Strand 2	C	113	117	anti-parallel
Strand 3	C	204	208	anti-parallel
Strand 4	C	211	214	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	165	172	first strand
Strand 2	C	178	184	anti-parallel
Strand 3	C	226	229	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	160	161	first strand
Strand 2	D	113	117	anti-parallel
Strand 3	D	204	208	anti-parallel
Strand 4	D	211	214	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	165	172	first strand
Strand 2	D	178	184	anti-parallel
Strand 3	D	226	229	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: 3AQO

Analysis of interatomic Contacts of Structural Units in PDB entry:
3AQO