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

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 4LEO entry

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

Chain ID	Initial residue	Terminal residue
A	GLN 1	PRO 220
B	ASP 1	GLU 219
C	ALA 8	LEU 611

There are 20 helices in PDB entry 4LEO. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	62	65	Right-handed 310
Helix 2	2	A	87	91	Right-handed 310
Helix 3	3	A	194	196	Right-handed 310
Helix 4	4	A	208	211	Right-handed 310
Helix 5	5	B	85	89	Right-handed 310
Helix 6	6	B	127	132	Right-handed alpha
Helix 7	7	B	189	195	Right-handed alpha
Helix 8	8	C	24	35	Right-handed alpha
Helix 9	9	C	55	59	Right-handed 310
Helix 10	10	C	91	94	Right-handed 310
Helix 11	11	C	143	147	Right-handed 310
Helix 12	12	C	168	172	Right-handed 310
Helix 13	13	C	328	333	Right-handed 310
Helix 14	14	C	345	351	Right-handed alpha
Helix 15	15	C	361	371	Right-handed 310
Helix 16	16	C	390	394	Right-handed 310
Helix 17	17	C	445	449	Right-handed 310
Helix 18	18	C	450	455	Right-handed alpha
Helix 19	19	C	470	477	Right-handed alpha
Helix 20	20	C	606	610	Right-handed 310

There are 24 sheets in PDB entry 4LEO. 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	A	3	6	first strand
Strand 2	A	18	25	anti-parallel
Strand 3	A	78	83	anti-parallel
Strand 4	A	68	73	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	A	10	12	first strand
Strand 2	A	114	118	parallel
Strand 3	A	92	101	anti-parallel
Strand 4	A	33	39	anti-parallel
Strand 5	A	45	52	anti-parallel
Strand 6	A	58	60	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	A	10	12	first strand
Strand 2	A	114	118	parallel
Strand 3	A	92	101	anti-parallel
Strand 4	A	104	110	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	127	131	first strand
Strand 2	A	142	152	anti-parallel
Strand 3	A	183	192	anti-parallel
Strand 4	A	170	172	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	127	131	first strand
Strand 2	A	142	152	anti-parallel
Strand 3	A	183	192	anti-parallel
Strand 4	A	176	177	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	A	158	161	first strand
Strand 2	A	202	207	anti-parallel
Strand 3	A	212	217	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	B	4	7	first strand
Strand 2	B	19	25	anti-parallel
Strand 3	B	76	81	anti-parallel
Strand 4	B	68	73	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	10	13	first strand
Strand 2	B	108	112	parallel
Strand 3	B	91	96	anti-parallel
Strand 4	B	39	44	anti-parallel
Strand 5	B	51	55	anti-parallel
Strand 6	B	59	60	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	B	120	124	first strand
Strand 2	B	135	145	anti-parallel
Strand 3	B	179	188	anti-parallel
Strand 4	B	165	169	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	B	159	160	first strand
Strand 2	B	151	156	anti-parallel
Strand 3	B	197	203	anti-parallel
Strand 4	B	211	216	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	9	11	first strand
Strand 2	C	39	41	parallel
Strand 3	C	63	64	parallel
Strand 4	C	85	86	parallel
Strand 5	C	122	123	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	44	47	first strand
Strand 2	C	68	71	parallel
Strand 3	C	96	101	parallel
Strand 4	C	127	131	parallel
Strand 5	C	155	158	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	77	79	first strand
Strand 2	C	114	116	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	C	230	232	first strand
Strand 2	C	235	237	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	C	244	247	first strand
Strand 2	C	252	255	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	261	263	first strand
Strand 2	C	266	268	anti-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	C	276	278	first strand
Strand 2	C	281	283	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	C	290	295	first strand
Strand 2	C	298	303	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	C	311	313	first strand
Strand 2	C	337	339	parallel
Strand 3	C	373	374	parallel
Strand 4	C	398	399	parallel
Strand 5	C	429	430	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	342	344	first strand
Strand 2	C	378	380	parallel
Strand 3	C	409	414	parallel
Strand 4	C	434	438	parallel
Strand 5	C	463	466	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	C	504	505	first strand
Strand 2	C	510	511	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	523	525	first strand
Strand 2	C	530	532	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	560	562	first strand
Strand 2	C	565	567	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	572	575	first strand
Strand 2	C	580	585	anti-parallel
Strand 3	C	591	593	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: 4LEO

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