Analysis of interatomic Contacts of Structural Units in PDB entry:
4CQ1

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 4CQ1 entry

There are 8 chains in PDB entry 4CQ1 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ASN 337	ILE 531
B	GLY 336	ILE 531
C	ASN 337	ILE 531
D	ASN 337	ILE 531
E	ASN 337	ILE 531
F	ASN 337	ILE 531
G	ASN 337	ILE 531
H	ASN 337	ILE 531

There are 40 helices in PDB entry 4CQ1. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	351	360	Right-handed alpha
Helix 2	2	A	384	396	Right-handed alpha
Helix 3	3	A	443	447	Right-handed 310
Helix 4	4	A	467	477	Right-handed alpha
Helix 5	5	A	500	512	Right-handed alpha
Helix 6	6	B	351	360	Right-handed alpha
Helix 7	7	B	384	396	Right-handed alpha
Helix 8	8	B	443	447	Right-handed 310
Helix 9	9	B	467	477	Right-handed alpha
Helix 10	10	B	500	512	Right-handed alpha
Helix 11	11	C	351	360	Right-handed alpha
Helix 12	12	C	384	396	Right-handed alpha
Helix 13	13	C	444	449	Right-handed 310
Helix 14	14	C	467	477	Right-handed alpha
Helix 15	15	C	500	512	Right-handed alpha
Helix 16	16	D	351	360	Right-handed alpha
Helix 17	17	D	384	396	Right-handed alpha
Helix 18	18	D	444	448	Right-handed 310
Helix 19	19	D	467	477	Right-handed alpha
Helix 20	20	D	500	512	Right-handed alpha
Helix 21	21	E	351	360	Right-handed alpha
Helix 22	22	E	384	396	Right-handed alpha
Helix 23	23	E	443	447	Right-handed 310
Helix 24	24	E	467	477	Right-handed alpha
Helix 25	25	E	500	512	Right-handed alpha
Helix 26	26	F	351	360	Right-handed alpha
Helix 27	27	F	384	396	Right-handed alpha
Helix 28	28	F	443	447	Right-handed 310
Helix 29	29	F	467	477	Right-handed alpha
Helix 30	30	F	500	512	Right-handed alpha
Helix 31	31	G	351	360	Right-handed alpha
Helix 32	32	G	384	396	Right-handed alpha
Helix 33	33	G	444	449	Right-handed 310
Helix 34	34	G	467	477	Right-handed alpha
Helix 35	35	G	500	512	Right-handed alpha
Helix 36	36	H	351	360	Right-handed alpha
Helix 37	37	H	384	396	Right-handed alpha
Helix 38	38	H	444	449	Right-handed 310
Helix 39	39	H	467	477	Right-handed alpha
Helix 40	40	H	500	512	Right-handed alpha

There are 27 sheets in PDB entry 4CQ1. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, BA, BB, BC, CA, CB, CC, CD, A, DB, C, EA, EB, EC, FA, FB, FC, FD, GA, GB, GC, HA, HB, HC,

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	406	409	first strand
Strand 2	A	339	343	anti-parallel
Strand 3	A	374	382	anti-parallel
Strand 4	A	365	371	anti-parallel
Strand 5	A	428	430	anti-parallel

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There are 2 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	399	400	first strand
Strand 2	A	403	404	anti-parallel

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There are 4 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	482	487	first strand
Strand 2	A	494	498	anti-parallel
Strand 3	A	456	460	anti-parallel
Strand 4	A	523	526	anti-parallel

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There are 2 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	515	517	first strand
Strand 2	A	520	521	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	406	409	first strand
Strand 2	B	339	343	anti-parallel
Strand 3	B	374	381	anti-parallel
Strand 4	B	367	371	anti-parallel
Strand 5	B	428	430	anti-parallel

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There are 2 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	399	400	first strand
Strand 2	B	403	404	anti-parallel

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There are 4 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	482	487	first strand
Strand 2	B	494	498	anti-parallel
Strand 3	B	456	460	anti-parallel
Strand 4	B	523	526	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	406	409	first strand
Strand 2	C	339	343	anti-parallel
Strand 3	C	378	382	anti-parallel
Strand 4	C	365	370	anti-parallel
Strand 5	C	428	430	anti-parallel

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There are 2 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	399	400	first strand
Strand 2	C	403	404	anti-parallel

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There are 4 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	482	487	first strand
Strand 2	C	493	498	anti-parallel
Strand 3	C	456	460	anti-parallel
Strand 4	C	523	526	anti-parallel

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There are 2 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	515	517	first strand
Strand 2	C	520	521	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	406	409	first strand
Strand 2	D	339	343	anti-parallel
Strand 3	D	374	382	anti-parallel
Strand 4	D	365	371	anti-parallel
Strand 5	D	428	430	anti-parallel

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There are 2 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	399	400	first strand
Strand 2	D	403	404	anti-parallel

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There are 4 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	482	487	first strand
Strand 2	D	494	498	anti-parallel
Strand 3	D	456	460	anti-parallel
Strand 4	D	523	526	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	406	409	first strand
Strand 2	E	339	343	anti-parallel
Strand 3	E	378	382	anti-parallel
Strand 4	E	365	370	anti-parallel
Strand 5	E	428	430	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	399	400	first strand
Strand 2	E	403	404	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	482	487	first strand
Strand 2	E	493	498	anti-parallel
Strand 3	E	456	460	anti-parallel
Strand 4	E	523	526	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	406	409	first strand
Strand 2	F	339	343	anti-parallel
Strand 3	F	374	382	anti-parallel
Strand 4	F	365	371	anti-parallel
Strand 5	F	428	430	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	399	400	first strand
Strand 2	F	403	404	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	482	487	first strand
Strand 2	F	494	498	anti-parallel
Strand 3	F	456	460	anti-parallel
Strand 4	F	523	526	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	515	517	first strand
Strand 2	F	520	521	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	406	409	first strand
Strand 2	G	339	343	anti-parallel
Strand 3	G	374	382	anti-parallel
Strand 4	G	365	371	anti-parallel
Strand 5	G	428	430	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	399	400	first strand
Strand 2	G	403	404	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	482	487	first strand
Strand 2	G	493	498	anti-parallel
Strand 3	G	456	460	anti-parallel
Strand 4	G	523	526	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	406	409	first strand
Strand 2	H	339	343	anti-parallel
Strand 3	H	374	382	anti-parallel
Strand 4	H	365	371	anti-parallel
Strand 5	H	428	430	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	399	400	first strand
Strand 2	H	403	404	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	482	487	first strand
Strand 2	H	493	498	anti-parallel
Strand 3	H	456	460	anti-parallel
Strand 4	H	523	526	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: 4CQ1

Analysis of interatomic Contacts of Structural Units in PDB entry:
4CQ1