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

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 4QHT entry

There are 6 chains in PDB entry 4QHT (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	HIS 130	GLU 375
B	HIS 130	LEU 374
C	HIS 130	VAL 377
D	HIS 130	GLU 375
E	HIS 130	GLU 375
F	HIS 130	LYS 179

There are 90 helices in PDB entry 4QHT. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	135	150	Right-handed alpha
Helix 2	2	A	164	176	Right-handed alpha
Helix 3	3	A	196	201	Right-handed alpha
Helix 4	4	A	217	222	Right-handed alpha
Helix 5	5	A	232	235	Right-handed 310
Helix 6	6	A	236	250	Right-handed alpha
Helix 7	7	A	274	281	Right-handed alpha
Helix 8	8	A	285	293	Right-handed alpha
Helix 9	9	A	301	307	Right-handed 310
Helix 10	10	A	308	325	Right-handed alpha
Helix 11	11	A	332	341	Right-handed alpha
Helix 12	12	A	346	362	Right-handed alpha
Helix 13	13	B	135	150	Right-handed alpha
Helix 14	14	B	164	176	Right-handed alpha
Helix 15	15	B	191	194	Right-handed 310
Helix 16	16	B	195	201	Right-handed alpha
Helix 17	17	B	217	222	Right-handed alpha
Helix 18	18	B	231	235	Right-handed 310
Helix 19	19	B	236	250	Right-handed alpha
Helix 20	20	B	274	281	Right-handed alpha
Helix 21	21	B	285	293	Right-handed alpha
Helix 22	22	B	301	307	Right-handed 310
Helix 23	23	B	308	324	Right-handed alpha
Helix 24	24	B	332	341	Right-handed alpha
Helix 25	25	B	346	361	Right-handed alpha
Helix 26	26	C	135	151	Right-handed alpha
Helix 27	27	C	164	176	Right-handed alpha
Helix 28	28	C	191	194	Right-handed 310
Helix 29	29	C	195	201	Right-handed alpha
Helix 30	30	C	217	222	Right-handed alpha
Helix 31	31	C	231	235	Right-handed 310
Helix 32	32	C	236	250	Right-handed alpha
Helix 33	33	C	274	281	Right-handed alpha
Helix 34	34	C	285	293	Right-handed alpha
Helix 35	35	C	301	307	Right-handed 310
Helix 36	36	C	308	325	Right-handed alpha
Helix 37	37	C	332	341	Right-handed alpha
Helix 38	38	C	346	362	Right-handed alpha
Helix 39	39	D	135	150	Right-handed alpha
Helix 40	40	D	164	176	Right-handed alpha
Helix 41	41	D	191	194	Right-handed 310
Helix 42	42	D	195	201	Right-handed alpha
Helix 43	43	D	217	222	Right-handed alpha
Helix 44	44	D	231	235	Right-handed 310
Helix 45	45	D	236	250	Right-handed alpha
Helix 46	46	D	274	281	Right-handed alpha
Helix 47	47	D	285	293	Right-handed alpha
Helix 48	48	D	301	307	Right-handed 310
Helix 49	49	D	308	323	Right-handed alpha
Helix 50	50	D	332	341	Right-handed alpha
Helix 51	51	D	346	362	Right-handed alpha
Helix 52	52	E	135	150	Right-handed alpha
Helix 53	53	E	164	176	Right-handed alpha
Helix 54	54	E	191	194	Right-handed 310
Helix 55	55	E	195	201	Right-handed alpha
Helix 56	56	E	217	222	Right-handed alpha
Helix 57	57	E	231	235	Right-handed 310
Helix 58	58	E	236	250	Right-handed alpha
Helix 59	59	E	274	281	Right-handed alpha
Helix 60	60	E	285	293	Right-handed alpha
Helix 61	61	E	301	307	Right-handed 310
Helix 62	62	E	308	325	Right-handed alpha
Helix 63	63	E	332	341	Right-handed alpha
Helix 64	64	E	346	362	Right-handed alpha
Helix 65	65	F	135	150	Right-handed alpha
Helix 66	66	F	164	176	Right-handed alpha
Helix 67	67	F	191	194	Right-handed 310
Helix 68	68	F	195	201	Right-handed alpha
Helix 69	69	F	217	222	Right-handed alpha
Helix 70	70	F	231	235	Right-handed 310
Helix 71	71	F	236	250	Right-handed alpha
Helix 72	72	F	274	281	Right-handed alpha
Helix 73	73	F	285	293	Right-handed alpha
Helix 74	74	F	301	307	Right-handed 310
Helix 75	75	F	308	324	Right-handed alpha
Helix 76	76	F	332	341	Right-handed alpha
Helix 77	77	F	346	361	Right-handed alpha
Helix 78	78	G	135	150	Right-handed alpha
Helix 79	79	G	164	176	Right-handed alpha
Helix 80	80	G	191	194	Right-handed 310
Helix 81	81	G	195	201	Right-handed alpha
Helix 82	82	G	217	222	Right-handed alpha
Helix 83	83	G	231	235	Right-handed 310
Helix 84	84	G	236	250	Right-handed alpha
Helix 85	85	G	274	281	Right-handed alpha
Helix 86	86	G	285	293	Right-handed alpha
Helix 87	87	G	301	307	Right-handed 310
Helix 88	88	G	308	325	Right-handed alpha
Helix 89	89	G	332	341	Right-handed alpha
Helix 90	90	G	346	362	Right-handed alpha

There are 21 sheets in PDB entry 4QHT. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U,

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	A	183	187	first strand
Strand 2	A	226	230	parallel
Strand 3	A	266	270	parallel
Strand 4	A	155	158	parallel
Strand 5	A	295	298	parallel

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There are 2 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	202	203	first strand
Strand 2	A	215	216	anti-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	A	251	253	first strand
Strand 2	A	260	262	anti-parallel

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There are 5 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	183	187	first strand
Strand 2	B	226	230	parallel
Strand 3	B	266	270	parallel
Strand 4	B	155	158	parallel
Strand 5	B	295	298	parallel

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There are 2 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	202	203	first strand
Strand 2	B	215	216	anti-parallel

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There are 2 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	251	253	first strand
Strand 2	B	260	262	anti-parallel

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There are 5 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	183	187	first strand
Strand 2	C	226	230	parallel
Strand 3	C	266	271	parallel
Strand 4	C	155	158	parallel
Strand 5	C	295	298	parallel

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There are 2 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	202	203	first strand
Strand 2	C	215	216	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	251	252	first strand
Strand 2	C	261	262	anti-parallel

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There are 5 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	183	187	first strand
Strand 2	D	226	230	parallel
Strand 3	D	266	271	parallel
Strand 4	D	155	158	parallel
Strand 5	D	296	298	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	202	203	first strand
Strand 2	D	215	216	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	251	252	first strand
Strand 2	D	261	262	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	183	187	first strand
Strand 2	E	226	230	parallel
Strand 3	E	266	270	parallel
Strand 4	E	155	158	parallel
Strand 5	E	296	298	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	202	203	first strand
Strand 2	E	215	216	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	251	252	first strand
Strand 2	E	261	262	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	183	187	first strand
Strand 2	F	226	230	parallel
Strand 3	F	266	271	parallel
Strand 4	F	155	158	parallel
Strand 5	F	295	298	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	202	203	first strand
Strand 2	F	215	216	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	251	252	first strand
Strand 2	F	261	262	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	183	187	first strand
Strand 2	G	226	230	parallel
Strand 3	G	266	271	parallel
Strand 4	G	155	158	parallel
Strand 5	G	295	298	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	202	203	first strand
Strand 2	G	215	216	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	251	252	first strand
Strand 2	G	261	262	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: 4QHT

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