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

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 4EXB entry

There are 6 chains in PDB entry 4EXB (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	PHE -2	LYS 268
B	PHE -2	LYS 268
C	PHE -2	LYS 268
D	TYR -3	LYS 268
E	PHE -2	LYS 268
F	PHE -2	LYS 268

There are 65 helices in PDB entry 4EXB. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	46	60	Right-handed alpha
Helix 2	2	A	73	83	Right-handed alpha
Helix 3	3	A	85	89	Right-handed 310
Helix 4	4	A	109	124	Right-handed alpha
Helix 5	5	A	139	147	Right-handed alpha
Helix 6	6	A	148	159	Right-handed alpha
Helix 7	7	A	171	182	Right-handed alpha
Helix 8	8	A	196	206	Right-handed alpha
Helix 9	9	A	228	240	Right-handed alpha
Helix 10	10	A	252	268	Right-handed alpha
Helix 11	11	B	46	60	Right-handed alpha
Helix 12	12	B	73	83	Right-handed alpha
Helix 13	13	B	85	89	Right-handed 310
Helix 14	14	B	109	124	Right-handed alpha
Helix 15	15	B	139	147	Right-handed alpha
Helix 16	16	B	148	159	Right-handed alpha
Helix 17	17	B	171	182	Right-handed alpha
Helix 18	18	B	196	206	Right-handed alpha
Helix 19	19	B	228	239	Right-handed alpha
Helix 20	20	B	252	268	Right-handed alpha
Helix 21	21	C	-2	2	Right-handed 310
Helix 22	22	C	46	60	Right-handed alpha
Helix 23	23	C	73	83	Right-handed alpha
Helix 24	24	C	85	89	Right-handed 310
Helix 25	25	C	109	124	Right-handed alpha
Helix 26	26	C	139	147	Right-handed alpha
Helix 27	27	C	148	159	Right-handed alpha
Helix 28	28	C	171	182	Right-handed alpha
Helix 29	29	C	196	206	Right-handed alpha
Helix 30	30	C	229	240	Right-handed alpha
Helix 31	31	C	252	268	Right-handed alpha
Helix 32	32	D	6	10	Right-handed 310
Helix 33	33	D	28	31	Right-handed 310
Helix 34	34	D	46	60	Right-handed alpha
Helix 35	35	D	73	82	Right-handed alpha
Helix 36	36	D	85	89	Right-handed 310
Helix 37	37	D	109	124	Right-handed alpha
Helix 38	38	D	139	147	Right-handed alpha
Helix 39	39	D	148	159	Right-handed alpha
Helix 40	40	D	171	182	Right-handed alpha
Helix 41	41	D	196	206	Right-handed alpha
Helix 42	42	D	228	239	Right-handed alpha
Helix 43	43	D	252	268	Right-handed alpha
Helix 44	44	E	28	31	Right-handed 310
Helix 45	45	E	46	60	Right-handed alpha
Helix 46	46	E	73	83	Right-handed alpha
Helix 47	47	E	85	89	Right-handed 310
Helix 48	48	E	109	125	Right-handed alpha
Helix 49	49	E	139	147	Right-handed alpha
Helix 50	50	E	148	159	Right-handed alpha
Helix 51	51	E	171	182	Right-handed alpha
Helix 52	52	E	196	206	Right-handed alpha
Helix 53	53	E	228	240	Right-handed alpha
Helix 54	54	E	252	268	Right-handed alpha
Helix 55	55	F	27	32	Right-handed alpha
Helix 56	56	F	46	60	Right-handed alpha
Helix 57	57	F	73	83	Right-handed alpha
Helix 58	58	F	85	89	Right-handed 310
Helix 59	59	F	109	125	Right-handed alpha
Helix 60	60	F	139	147	Right-handed alpha
Helix 61	61	F	148	159	Right-handed alpha
Helix 62	62	F	171	182	Right-handed alpha
Helix 63	63	F	196	206	Right-handed alpha
Helix 64	64	F	228	240	Right-handed alpha
Helix 65	65	F	252	268	Right-handed alpha

There are 12 sheets in PDB entry 4EXB. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 2 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	11	12	first strand
Strand 2	A	19	20	anti-parallel

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There are 9 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	23	26	first strand
Strand 2	A	64	66	parallel
Strand 3	A	90	95	parallel
Strand 4	A	129	135	parallel
Strand 5	A	162	168	parallel
Strand 6	A	184	188	parallel
Strand 7	A	209	213	parallel
Strand 8	A	245	248	parallel
Strand 9	A	23	26	parallel

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There are 2 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	11	12	first strand
Strand 2	B	19	20	anti-parallel

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There are 9 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	23	26	first strand
Strand 2	B	64	66	parallel
Strand 3	B	90	95	parallel
Strand 4	B	129	135	parallel
Strand 5	B	162	168	parallel
Strand 6	B	184	188	parallel
Strand 7	B	209	213	parallel
Strand 8	B	245	248	parallel
Strand 9	B	23	26	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	C	11	12	first strand
Strand 2	C	19	20	anti-parallel

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There are 9 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	23	26	first strand
Strand 2	C	64	66	parallel
Strand 3	C	90	95	parallel
Strand 4	C	129	135	parallel
Strand 5	C	162	168	parallel
Strand 6	C	184	188	parallel
Strand 7	C	209	213	parallel
Strand 8	C	245	248	parallel
Strand 9	C	23	26	parallel

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There are 2 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	11	12	first strand
Strand 2	D	19	20	anti-parallel

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There are 9 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	23	26	first strand
Strand 2	D	64	66	parallel
Strand 3	D	90	95	parallel
Strand 4	D	129	135	parallel
Strand 5	D	162	168	parallel
Strand 6	D	184	188	parallel
Strand 7	D	209	213	parallel
Strand 8	D	245	248	parallel
Strand 9	D	23	26	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	11	12	first strand
Strand 2	E	19	20	anti-parallel

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There are 9 strands in J sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	23	26	first strand
Strand 2	E	64	66	parallel
Strand 3	E	90	95	parallel
Strand 4	E	129	135	parallel
Strand 5	E	162	168	parallel
Strand 6	E	184	188	parallel
Strand 7	E	209	213	parallel
Strand 8	E	245	248	parallel
Strand 9	E	23	26	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	F	11	12	first strand
Strand 2	F	19	20	anti-parallel

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There are 9 strands in L sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	23	26	first strand
Strand 2	F	64	66	parallel
Strand 3	F	90	95	parallel
Strand 4	F	129	135	parallel
Strand 5	F	162	168	parallel
Strand 6	F	184	188	parallel
Strand 7	F	209	213	parallel
Strand 8	F	245	248	parallel
Strand 9	F	23	26	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: 4EXB

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