Analysis of interatomic Contacts of Structural Units in PDB entry:
2HQS

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 2HQS entry

There are 8 chains in PDB entry 2HQS (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	VAL 24	HIS 438
H	GLN 67	LEU 174
B	VAL 24	HIS 438
C	ASN 68	LEU 174
D	VAL 24	HIS 438
E	ASN 68	LEU 174
F	VAL 24	HIS 438
G	GLN 67	LEU 174

There are 46 helices in PDB entry 2HQS. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	54	66	Right-handed alpha
Helix 2	2	A	73	77	Right-handed 310
Helix 3	3	A	83	87	Right-handed 310
Helix 4	4	A	88	94	Right-handed alpha
Helix 5	5	A	138	140	Right-handed 310
Helix 6	6	A	141	159	Right-handed alpha
Helix 7	7	H	81	83	Right-handed 310
Helix 8	8	H	84	98	Right-handed alpha
Helix 9	9	H	114	136	Right-handed alpha
Helix 10	10	H	139	141	Right-handed 310
Helix 11	11	H	159	167	Right-handed alpha
Helix 12	12	B	54	66	Right-handed alpha
Helix 13	13	B	73	77	Right-handed 310
Helix 14	14	B	83	87	Right-handed 310
Helix 15	15	B	88	94	Right-handed alpha
Helix 16	16	B	138	140	Right-handed 310
Helix 17	17	B	141	159	Right-handed alpha
Helix 18	18	C	81	83	Right-handed 310
Helix 19	19	C	84	98	Right-handed alpha
Helix 20	20	C	114	136	Right-handed alpha
Helix 21	21	C	139	141	Right-handed 310
Helix 22	22	C	159	167	Right-handed alpha
Helix 23	23	D	31	35	Right-handed 310
Helix 24	24	D	54	66	Right-handed alpha
Helix 25	25	D	73	77	Right-handed 310
Helix 26	26	D	83	87	Right-handed 310
Helix 27	27	D	88	94	Right-handed alpha
Helix 28	28	D	138	140	Right-handed 310
Helix 29	29	D	141	159	Right-handed alpha
Helix 30	30	E	81	83	Right-handed 310
Helix 31	31	E	84	98	Right-handed alpha
Helix 32	32	E	114	136	Right-handed alpha
Helix 33	33	E	139	141	Right-handed 310
Helix 34	34	E	159	167	Right-handed alpha
Helix 35	35	F	31	35	Right-handed 310
Helix 36	36	F	54	66	Right-handed alpha
Helix 37	37	F	73	77	Right-handed 310
Helix 38	38	F	83	87	Right-handed 310
Helix 39	39	F	88	94	Right-handed alpha
Helix 40	40	F	138	140	Right-handed 310
Helix 41	41	F	141	159	Right-handed alpha
Helix 42	42	G	81	83	Right-handed 310
Helix 43	43	G	84	98	Right-handed alpha
Helix 44	44	G	114	136	Right-handed alpha
Helix 45	45	G	139	141	Right-handed 310
Helix 46	46	G	159	167	Right-handed alpha

There are 36 sheets in PDB entry 2HQS. 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, V, W, X, Y, Z, AA, AB, AC, AD, AE, AF, AG, AH, AI, AJ,

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	27	30	first strand
Strand 2	A	412	414	anti-parallel
Strand 3	A	399	406	anti-parallel
Strand 4	A	389	396	anti-parallel
Strand 5	A	379	383	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	44	45	first strand
Strand 2	A	99	107	parallel
Strand 3	A	36	40	parallel
Strand 4	A	69	71	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	A	44	45	first strand
Strand 2	A	99	107	parallel
Strand 3	A	113	121	anti-parallel
Strand 4	A	129	137	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	194	199	first strand
Strand 2	A	181	187	anti-parallel
Strand 3	A	167	173	anti-parallel
Strand 4	A	421	427	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	A	203	208	first strand
Strand 2	A	214	219	anti-parallel
Strand 3	A	226	231	anti-parallel
Strand 4	A	237	241	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	247	252	first strand
Strand 2	A	258	263	anti-parallel
Strand 3	A	270	275	anti-parallel
Strand 4	A	281	283	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	A	291	296	first strand
Strand 2	A	302	307	anti-parallel
Strand 3	A	314	319	anti-parallel
Strand 4	A	326	327	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	334	340	first strand
Strand 2	A	346	352	anti-parallel
Strand 3	A	357	363	anti-parallel
Strand 4	A	369	371	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	H	70	72	first strand
Strand 2	H	168	172	anti-parallel
Strand 3	H	103	107	anti-parallel
Strand 4	H	143	147	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	B	27	30	first strand
Strand 2	B	412	414	anti-parallel
Strand 3	B	399	406	anti-parallel
Strand 4	B	389	396	anti-parallel
Strand 5	B	379	383	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	44	45	first strand
Strand 2	B	99	107	parallel
Strand 3	B	36	40	parallel
Strand 4	B	69	71	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	44	45	first strand
Strand 2	B	99	107	parallel
Strand 3	B	113	121	anti-parallel
Strand 4	B	129	137	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	194	199	first strand
Strand 2	B	181	187	anti-parallel
Strand 3	B	167	173	anti-parallel
Strand 4	B	421	427	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	203	208	first strand
Strand 2	B	214	219	anti-parallel
Strand 3	B	226	231	anti-parallel
Strand 4	B	237	241	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	247	252	first strand
Strand 2	B	258	263	anti-parallel
Strand 3	B	270	275	anti-parallel
Strand 4	B	281	283	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	291	296	first strand
Strand 2	B	302	307	anti-parallel
Strand 3	B	314	319	anti-parallel
Strand 4	B	326	327	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	334	340	first strand
Strand 2	B	346	353	anti-parallel
Strand 3	B	356	363	anti-parallel
Strand 4	B	369	371	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	70	72	first strand
Strand 2	C	168	172	anti-parallel
Strand 3	C	103	107	anti-parallel
Strand 4	C	143	147	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	D	27	30	first strand
Strand 2	D	412	414	anti-parallel
Strand 3	D	399	406	anti-parallel
Strand 4	D	389	396	anti-parallel
Strand 5	D	379	383	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	44	45	first strand
Strand 2	D	99	107	parallel
Strand 3	D	36	40	parallel
Strand 4	D	69	71	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	44	45	first strand
Strand 2	D	99	107	parallel
Strand 3	D	113	121	anti-parallel
Strand 4	D	129	137	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	194	199	first strand
Strand 2	D	181	187	anti-parallel
Strand 3	D	167	173	anti-parallel
Strand 4	D	421	427	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	203	208	first strand
Strand 2	D	214	219	anti-parallel
Strand 3	D	226	231	anti-parallel
Strand 4	D	237	241	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	247	252	first strand
Strand 2	D	258	263	anti-parallel
Strand 3	D	270	275	anti-parallel
Strand 4	D	281	283	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	291	296	first strand
Strand 2	D	302	307	anti-parallel
Strand 3	D	314	319	anti-parallel
Strand 4	D	326	327	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	335	340	first strand
Strand 2	D	346	353	anti-parallel
Strand 3	D	356	363	anti-parallel
Strand 4	D	369	371	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	70	72	first strand
Strand 2	E	168	172	anti-parallel
Strand 3	E	103	107	anti-parallel
Strand 4	E	143	147	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	F	27	30	first strand
Strand 2	F	412	414	anti-parallel
Strand 3	F	399	406	anti-parallel
Strand 4	F	389	396	anti-parallel
Strand 5	F	379	383	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	F	44	45	first strand
Strand 2	F	99	107	parallel
Strand 3	F	36	40	parallel
Strand 4	F	69	71	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	44	45	first strand
Strand 2	F	99	107	parallel
Strand 3	F	113	121	anti-parallel
Strand 4	F	129	137	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	194	199	first strand
Strand 2	F	181	187	anti-parallel
Strand 3	F	167	173	anti-parallel
Strand 4	F	421	427	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	203	208	first strand
Strand 2	F	214	219	anti-parallel
Strand 3	F	226	231	anti-parallel
Strand 4	F	237	241	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	247	252	first strand
Strand 2	F	258	263	anti-parallel
Strand 3	F	270	275	anti-parallel
Strand 4	F	281	283	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	291	296	first strand
Strand 2	F	302	307	anti-parallel
Strand 3	F	314	319	anti-parallel
Strand 4	F	326	327	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	335	340	first strand
Strand 2	F	346	353	anti-parallel
Strand 3	F	356	363	anti-parallel
Strand 4	F	369	371	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	70	72	first strand
Strand 2	G	168	172	anti-parallel
Strand 3	G	103	107	anti-parallel
Strand 4	G	143	147	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: 2HQS

Analysis of interatomic Contacts of Structural Units in PDB entry:
2HQS