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

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 3LQA entry

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

Chain ID	Initial residue	Terminal residue
C	LYS 2	VAL 176
G	LEU 85	ILE 493
H	GLN 1	PRO 225
L	SER 3	ALA 215

There are 10 helices in PDB entry 3LQA. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	C	59	63	Right-handed 310
Helix 2	2	G	97	115	Right-handed alpha
Helix 3	3	G	329	348	Right-handed alpha
Helix 4	4	G	362	367	Right-handed alpha
Helix 5	5	G	476	486	Right-handed alpha
Helix 6	6	H	62	65	Right-handed 310
Helix 7	7	H	168	170	Right-handed 310
Helix 8	8	H	198	204	Right-handed alpha
Helix 9	9	L	127	133	Right-handed alpha
Helix 10	10	L	187	194	Right-handed alpha

There are 22 sheets in PDB entry 3LQA. 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,

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	C	3	7	first strand
Strand 2	C	89	101	parallel
Strand 3	C	80	86	anti-parallel
Strand 4	C	26	29	anti-parallel
Strand 5	C	35	40	anti-parallel
Strand 6	C	43	46	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	C	3	7	first strand
Strand 2	C	89	101	parallel
Strand 3	C	114	119	anti-parallel
Strand 4	C	143	146	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	12	14	first strand
Strand 2	C	69	71	anti-parallel
Strand 3	C	55	56	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	C	137	138	first strand
Strand 2	C	128	131	anti-parallel
Strand 3	C	157	163	anti-parallel
Strand 4	C	166	172	anti-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	G	90	93	first strand
Strand 2	G	232	235	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	G	197	198	first strand
Strand 2	G	119	120	anti-parallel
Strand 3	G	431	433	anti-parallel
Strand 4	G	422	424	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	238	241	first strand
Strand 2	G	220	224	anti-parallel
Strand 3	G	489	491	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	255	257	first strand
Strand 2	G	443	451	anti-parallel
Strand 3	G	283	293	anti-parallel
Strand 4	G	325	328	anti-parallel
Strand 5	G	414	415	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	G	388	389	first strand
Strand 2	G	352	355	anti-parallel
Strand 3	G	467	472	parallel
Strand 4	G	453	455	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	370	371	first strand
Strand 2	G	376	379	anti-parallel
Strand 3	G	417	420	anti-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	H	3	6	first strand
Strand 2	H	22	25	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	10	12	first strand
Strand 2	H	119	123	parallel
Strand 3	H	92	98	anti-parallel
Strand 4	H	34	39	anti-parallel
Strand 5	H	45	51	anti-parallel
Strand 6	H	58	60	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	H	10	12	first strand
Strand 2	H	119	123	parallel
Strand 3	H	92	98	anti-parallel
Strand 4	H	114	115	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	18	20	first strand
Strand 2	H	78	83	anti-parallel
Strand 3	H	68	73	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	H	132	136	first strand
Strand 2	H	147	157	anti-parallel
Strand 3	H	188	197	anti-parallel
Strand 4	H	175	177	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	H	132	136	first strand
Strand 2	H	147	157	anti-parallel
Strand 3	H	188	197	anti-parallel
Strand 4	H	181	182	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	163	166	first strand
Strand 2	H	206	212	anti-parallel
Strand 3	H	217	223	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	10	13	first strand
Strand 2	L	107	111	parallel
Strand 3	L	86	94	anti-parallel
Strand 4	L	35	40	anti-parallel
Strand 5	L	47	50	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	10	13	first strand
Strand 2	L	107	111	parallel
Strand 3	L	86	94	anti-parallel
Strand 4	L	100	103	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	19	24	first strand
Strand 2	L	72	77	anti-parallel
Strand 3	L	64	69	anti-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	L	120	124	first strand
Strand 2	L	137	145	anti-parallel
Strand 3	L	178	185	anti-parallel
Strand 4	L	165	167	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	L	159	161	first strand
Strand 2	L	151	156	anti-parallel
Strand 3	L	197	203	anti-parallel
Strand 4	L	206	212	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: 3LQA

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