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

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 3QHZ entry

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

Chain ID	Initial residue	Terminal residue
H	VAL 2	LYS 235
L	PRO 2	SER 215
I	ASN 3	LYS 228
M	LEU 4	THR 212

There are 15 helices in PDB entry 3QHZ. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	H	27	31	Right-handed 310
Helix 2	2	H	83	87	Right-handed 310
Helix 3	3	H	163	165	Right-handed 310
Helix 4	4	H	196	200	Right-handed 310
Helix 5	5	H	213	216	Right-handed 310
Helix 6	6	L	79	83	Right-handed 310
Helix 7	7	L	121	127	Right-handed alpha
Helix 8	8	L	182	187	Right-handed alpha
Helix 9	9	I	83	87	Right-handed 310
Helix 10	10	I	163	165	Right-handed 310
Helix 11	11	I	196	198	Right-handed 310
Helix 12	12	I	213	216	Right-handed 310
Helix 13	13	M	79	83	Right-handed 310
Helix 14	14	M	121	127	Right-handed alpha
Helix 15	15	M	182	189	Right-handed alpha

There are 24 sheets in PDB entry 3QHZ. 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,

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	3	7	first strand
Strand 2	H	18	25	anti-parallel
Strand 3	H	77	82	anti-parallel
Strand 4	H	67	72	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	11	12	first strand
Strand 2	H	107	111	parallel
Strand 3	H	88	95	anti-parallel
Strand 4	H	35	39	anti-parallel
Strand 5	H	46	52	anti-parallel
Strand 6	H	57	59	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	H	11	12	first strand
Strand 2	H	107	111	parallel
Strand 3	H	88	95	anti-parallel
Strand 4	H	102	103	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	H	120	124	first strand
Strand 2	H	137	147	anti-parallel
Strand 3	H	185	194	anti-parallel
Strand 4	H	171	173	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	H	120	124	first strand
Strand 2	H	137	147	anti-parallel
Strand 3	H	185	194	anti-parallel
Strand 4	H	177	178	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	H	153	157	first strand
Strand 2	H	207	212	anti-parallel
Strand 3	H	217	222	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	L	9	13	first strand
Strand 2	L	102	106	parallel
Strand 3	L	84	92	anti-parallel
Strand 4	L	34	38	anti-parallel
Strand 5	L	45	48	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	L	9	13	first strand
Strand 2	L	102	106	parallel
Strand 3	L	84	92	anti-parallel
Strand 4	L	95	98	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	18	24	first strand
Strand 2	L	70	76	anti-parallel
Strand 3	L	62	67	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	114	118	first strand
Strand 2	L	130	139	anti-parallel
Strand 3	L	173	181	anti-parallel
Strand 4	L	159	161	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	L	114	118	first strand
Strand 2	L	130	139	anti-parallel
Strand 3	L	173	181	anti-parallel
Strand 4	L	165	166	anti-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	L	153	154	first strand
Strand 2	L	145	150	anti-parallel
Strand 3	L	192	198	anti-parallel
Strand 4	L	203	209	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	I	4	7	first strand
Strand 2	I	18	24	anti-parallel
Strand 3	I	77	82	anti-parallel
Strand 4	I	67	72	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	11	12	first strand
Strand 2	I	107	111	parallel
Strand 3	I	88	96	anti-parallel
Strand 4	I	35	39	anti-parallel
Strand 5	I	46	52	anti-parallel
Strand 6	I	57	59	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	I	11	12	first strand
Strand 2	I	107	111	parallel
Strand 3	I	88	96	anti-parallel
Strand 4	I	100	103	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	I	120	124	first strand
Strand 2	I	137	147	anti-parallel
Strand 3	I	185	194	anti-parallel
Strand 4	I	171	173	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	I	120	124	first strand
Strand 2	I	137	147	anti-parallel
Strand 3	I	185	194	anti-parallel
Strand 4	I	177	178	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	153	157	first strand
Strand 2	I	207	212	anti-parallel
Strand 3	I	217	222	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	M	9	13	first strand
Strand 2	M	102	106	parallel
Strand 3	M	84	92	anti-parallel
Strand 4	M	33	38	anti-parallel
Strand 5	M	45	48	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	M	9	13	first strand
Strand 2	M	102	106	parallel
Strand 3	M	84	92	anti-parallel
Strand 4	M	95	98	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	18	24	first strand
Strand 2	M	70	76	anti-parallel
Strand 3	M	62	67	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	M	114	118	first strand
Strand 2	M	130	139	anti-parallel
Strand 3	M	173	181	anti-parallel
Strand 4	M	159	161	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	M	114	118	first strand
Strand 2	M	130	139	anti-parallel
Strand 3	M	173	181	anti-parallel
Strand 4	M	165	166	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	M	153	154	first strand
Strand 2	M	145	150	anti-parallel
Strand 3	M	192	198	anti-parallel
Strand 4	M	203	209	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: 3QHZ

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