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

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 4ELP entry

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

Chain ID	Initial residue	Terminal residue
A	THR 23	LEU 330
B	THR 23	LEU 330
C	THR 23	LEU 330
D	THR 23	LEU 330

There are 67 helices in PDB entry 4ELP. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	31	47	Right-handed alpha
Helix 2	2	A	56	68	Right-handed alpha
Helix 3	3	A	69	71	Right-handed 310
Helix 4	4	A	80	90	Right-handed alpha
Helix 5	5	A	132	136	Right-handed 310
Helix 6	6	A	139	141	Right-handed 310
Helix 7	7	A	142	150	Right-handed alpha
Helix 8	8	A	162	177	Right-handed alpha
Helix 9	9	A	177	190	Right-handed alpha
Helix 10	10	A	198	209	Right-handed alpha
Helix 11	11	A	218	227	Right-handed alpha
Helix 12	12	A	240	243	Right-handed 310
Helix 13	13	A	258	270	Right-handed alpha
Helix 14	14	A	271	281	Right-handed alpha
Helix 15	15	A	299	307	Right-handed alpha
Helix 16	16	A	316	327	Right-handed alpha
Helix 17	17	B	31	47	Right-handed alpha
Helix 18	18	B	56	68	Right-handed alpha
Helix 19	19	B	69	71	Right-handed 310
Helix 20	20	B	80	90	Right-handed alpha
Helix 21	21	B	97	102	Right-handed alpha
Helix 22	22	B	132	136	Right-handed 310
Helix 23	23	B	139	141	Right-handed 310
Helix 24	24	B	142	150	Right-handed alpha
Helix 25	25	B	162	177	Right-handed alpha
Helix 26	26	B	177	190	Right-handed alpha
Helix 27	27	B	198	209	Right-handed alpha
Helix 28	28	B	218	228	Right-handed alpha
Helix 29	29	B	240	243	Right-handed 310
Helix 30	30	B	258	270	Right-handed alpha
Helix 31	31	B	271	281	Right-handed alpha
Helix 32	32	B	299	307	Right-handed alpha
Helix 33	33	B	316	327	Right-handed alpha
Helix 34	34	C	31	47	Right-handed alpha
Helix 35	35	C	56	68	Right-handed alpha
Helix 36	36	C	69	71	Right-handed 310
Helix 37	37	C	80	90	Right-handed alpha
Helix 38	38	C	97	102	Right-handed alpha
Helix 39	39	C	132	136	Right-handed 310
Helix 40	40	C	139	141	Right-handed 310
Helix 41	41	C	142	150	Right-handed alpha
Helix 42	42	C	162	177	Right-handed alpha
Helix 43	43	C	177	190	Right-handed alpha
Helix 44	44	C	198	208	Right-handed alpha
Helix 45	45	C	218	227	Right-handed alpha
Helix 46	46	C	240	243	Right-handed 310
Helix 47	47	C	258	270	Right-handed alpha
Helix 48	48	C	271	281	Right-handed alpha
Helix 49	49	C	299	305	Right-handed alpha
Helix 50	50	C	316	327	Right-handed alpha
Helix 51	51	D	31	47	Right-handed alpha
Helix 52	52	D	56	68	Right-handed alpha
Helix 53	53	D	69	71	Right-handed 310
Helix 54	54	D	80	90	Right-handed alpha
Helix 55	55	D	97	102	Right-handed alpha
Helix 56	56	D	132	136	Right-handed 310
Helix 57	57	D	139	141	Right-handed 310
Helix 58	58	D	142	150	Right-handed alpha
Helix 59	59	D	162	177	Right-handed alpha
Helix 60	60	D	177	190	Right-handed alpha
Helix 61	61	D	198	208	Right-handed alpha
Helix 62	62	D	218	227	Right-handed alpha
Helix 63	63	D	240	243	Right-handed 310
Helix 64	64	D	258	270	Right-handed alpha
Helix 65	65	D	271	281	Right-handed alpha
Helix 66	66	D	299	307	Right-handed alpha
Helix 67	67	D	316	327	Right-handed alpha

There are 8 sheets in PDB entry 4ELP. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

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	A	50	54	first strand
Strand 2	A	24	28	parallel
Strand 3	A	75	78	parallel
Strand 4	A	245	252	anti-parallel
Strand 5	A	115	126	anti-parallel
Strand 6	A	232	234	anti-parallel

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There are 5 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	194	195	first strand
Strand 2	A	156	158	parallel
Strand 3	A	213	217	parallel
Strand 4	A	115	126	anti-parallel
Strand 5	A	285	286	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	50	54	first strand
Strand 2	B	24	28	parallel
Strand 3	B	75	78	parallel
Strand 4	B	245	252	anti-parallel
Strand 5	B	115	126	anti-parallel
Strand 6	B	232	234	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	194	195	first strand
Strand 2	B	156	158	parallel
Strand 3	B	213	217	parallel
Strand 4	B	115	126	anti-parallel
Strand 5	B	285	286	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	50	54	first strand
Strand 2	C	24	28	parallel
Strand 3	C	75	78	parallel
Strand 4	C	245	252	anti-parallel
Strand 5	C	115	126	anti-parallel
Strand 6	C	232	234	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	194	195	first strand
Strand 2	C	156	158	parallel
Strand 3	C	213	217	parallel
Strand 4	C	115	126	anti-parallel
Strand 5	C	285	286	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	50	54	first strand
Strand 2	D	24	28	parallel
Strand 3	D	75	78	parallel
Strand 4	D	245	252	anti-parallel
Strand 5	D	115	126	anti-parallel
Strand 6	D	232	234	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	D	194	195	first strand
Strand 2	D	156	158	parallel
Strand 3	D	213	217	parallel
Strand 4	D	115	126	anti-parallel
Strand 5	D	285	286	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: 4ELP

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