Analysis of interatomic Contacts of Structural Units in PDB entry:
1QU4

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 1QU4 entry

There are 4 chains in PDB entry 1QU4 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ASP 35	GLY 411
B	ASP 35	GLY 411
C	ASP 35	GLY 411
D	ASP 35	GLY 411

There are 60 helices in PDB entry 1QU4. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	45	59	Right-handed alpha
Helix 2	2	A	69	71	Right-handed 310
Helix 3	3	A	73	84	Right-handed alpha
Helix 4	4	A	91	101	Right-handed alpha
Helix 5	5	A	104	106	Right-handed 310
Helix 6	6	A	116	126	Right-handed alpha
Helix 7	7	A	135	146	Right-handed alpha
Helix 8	8	A	173	175	Right-handed 310
Helix 9	9	A	176	187	Right-handed alpha
Helix 10	10	A	205	225	Right-handed alpha
Helix 11	11	A	247	263	Right-handed alpha
Helix 12	12	A	276	281	Right-handed alpha
Helix 13	13	A	326	333	Right-handed alpha
Helix 14	14	A	390	394	Right-handed 310
Helix 15	15	A	396	400	Right-handed 310
Helix 16	16	B	45	59	Right-handed alpha
Helix 17	17	B	69	71	Right-handed 310
Helix 18	18	B	73	84	Right-handed alpha
Helix 19	19	B	91	101	Right-handed alpha
Helix 20	20	B	104	106	Right-handed 310
Helix 21	21	B	116	126	Right-handed alpha
Helix 22	22	B	135	146	Right-handed alpha
Helix 23	23	B	173	175	Right-handed 310
Helix 24	24	B	176	187	Right-handed alpha
Helix 25	25	B	205	225	Right-handed alpha
Helix 26	26	B	247	263	Right-handed alpha
Helix 27	27	B	276	281	Right-handed alpha
Helix 28	28	B	326	333	Right-handed alpha
Helix 29	29	B	390	394	Right-handed 310
Helix 30	30	B	396	400	Right-handed 310
Helix 31	31	C	45	59	Right-handed alpha
Helix 32	32	C	69	71	Right-handed 310
Helix 33	33	C	73	84	Right-handed alpha
Helix 34	34	C	91	101	Right-handed alpha
Helix 35	35	C	104	106	Right-handed 310
Helix 36	36	C	116	126	Right-handed alpha
Helix 37	37	C	135	146	Right-handed alpha
Helix 38	38	C	173	175	Right-handed 310
Helix 39	39	C	176	187	Right-handed alpha
Helix 40	40	C	205	225	Right-handed alpha
Helix 41	41	C	247	263	Right-handed alpha
Helix 42	42	C	276	281	Right-handed alpha
Helix 43	43	C	326	333	Right-handed alpha
Helix 44	44	C	390	394	Right-handed 310
Helix 45	45	C	396	400	Right-handed 310
Helix 46	46	D	45	59	Right-handed alpha
Helix 47	47	D	69	71	Right-handed 310
Helix 48	48	D	73	84	Right-handed alpha
Helix 49	49	D	91	100	Right-handed alpha
Helix 50	50	D	104	106	Right-handed 310
Helix 51	51	D	116	126	Right-handed alpha
Helix 52	52	D	135	146	Right-handed alpha
Helix 53	53	D	173	175	Right-handed 310
Helix 54	54	D	176	187	Right-handed alpha
Helix 55	55	D	205	225	Right-handed alpha
Helix 56	56	D	247	263	Right-handed alpha
Helix 57	57	D	276	281	Right-handed alpha
Helix 58	58	D	326	333	Right-handed alpha
Helix 59	59	D	390	394	Right-handed 310
Helix 60	60	D	396	400	Right-handed 310

There are 12 sheets in PDB entry 1QU4. Click on sheet of interest to get list of strands forming it: A, A1, B, C, C1, D, E, E1, F, G, G1, H,

There are 6 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	365	373	first strand
Strand 2	A	350	356	anti-parallel
Strand 3	A	313	318	parallel
Strand 4	A	284	296	anti-parallel
Strand 5	A	40	44	anti-parallel
Strand 6	A	404	408	parallel

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There are 6 strands in A1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	365	373	first strand
Strand 2	A	350	356	anti-parallel
Strand 3	A	313	318	parallel
Strand 4	A	284	296	anti-parallel
Strand 5	A	380	383	anti-parallel
Strand 6	A	338	340	anti-parallel

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There are 8 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	108	109	first strand
Strand 2	A	86	88	parallel
Strand 3	A	62	67	parallel
Strand 4	A	270	273	parallel
Strand 5	A	231	233	parallel
Strand 6	A	190	195	parallel
Strand 7	A	150	154	parallel
Strand 8	A	130	133	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	365	373	first strand
Strand 2	B	350	356	anti-parallel
Strand 3	B	313	318	parallel
Strand 4	B	284	296	anti-parallel
Strand 5	B	40	44	anti-parallel
Strand 6	B	404	408	parallel

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There are 6 strands in C1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	365	373	first strand
Strand 2	B	350	356	anti-parallel
Strand 3	B	313	318	parallel
Strand 4	B	284	296	anti-parallel
Strand 5	B	380	383	anti-parallel
Strand 6	B	338	340	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	108	109	first strand
Strand 2	B	86	88	parallel
Strand 3	B	62	67	parallel
Strand 4	B	270	273	parallel
Strand 5	B	231	233	parallel
Strand 6	B	190	195	parallel
Strand 7	B	150	154	parallel
Strand 8	B	130	133	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	365	372	first strand
Strand 2	C	351	356	anti-parallel
Strand 3	C	313	318	parallel
Strand 4	C	284	296	anti-parallel
Strand 5	C	40	44	anti-parallel
Strand 6	C	404	408	parallel

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There are 6 strands in E1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	365	372	first strand
Strand 2	C	351	356	anti-parallel
Strand 3	C	313	318	parallel
Strand 4	C	284	296	anti-parallel
Strand 5	C	380	383	anti-parallel
Strand 6	C	338	340	anti-parallel

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There are 8 strands in F 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	86	88	parallel
Strand 3	C	62	67	parallel
Strand 4	C	270	273	parallel
Strand 5	C	231	233	parallel
Strand 6	C	190	195	parallel
Strand 7	C	150	154	parallel
Strand 8	C	130	133	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	365	373	first strand
Strand 2	D	350	356	anti-parallel
Strand 3	D	313	318	parallel
Strand 4	D	284	296	anti-parallel
Strand 5	D	40	44	anti-parallel
Strand 6	D	404	408	parallel

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There are 6 strands in G1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	365	373	first strand
Strand 2	D	350	356	anti-parallel
Strand 3	D	313	318	parallel
Strand 4	D	284	296	anti-parallel
Strand 5	D	380	383	anti-parallel
Strand 6	D	338	340	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	108	109	first strand
Strand 2	D	86	88	parallel
Strand 3	D	62	67	parallel
Strand 4	D	270	273	parallel
Strand 5	D	231	233	parallel
Strand 6	D	190	195	parallel
Strand 7	D	150	154	parallel
Strand 8	D	130	133	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: 1QU4

Analysis of interatomic Contacts of Structural Units in PDB entry:
1QU4