Analysis of interatomic Contacts of Structural Units in PDB entry:
2FRX

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 2FRX entry

There are 4 chains in PDB entry 2FRX (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	TYR 7	LEU 474
B	PHE 8	LEU 474
C	PHE 8	LEU 474
D	TYR 7	LEU 474

There are 79 helices in PDB entry 2FRX. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	9	17	Right-handed alpha
Helix 2	2	A	18	20	Right-handed 310
Helix 3	3	A	26	34	Right-handed alpha
Helix 4	4	A	49	58	Right-handed alpha
Helix 5	5	A	59	61	Right-handed 310
Helix 6	6	A	85	88	Right-handed 310
Helix 7	7	A	89	94	Right-handed alpha
Helix 8	8	A	101	112	Right-handed alpha
Helix 9	9	A	129	139	Right-handed alpha
Helix 10	10	A	151	166	Right-handed alpha
Helix 11	11	A	179	184	Right-handed alpha
Helix 12	12	A	199	205	Right-handed 310
Helix 13	13	A	214	235	Right-handed alpha
Helix 14	14	A	254	265	Right-handed alpha
Helix 15	15	A	280	285	Right-handed 310
Helix 16	16	A	333	346	Right-handed alpha
Helix 17	17	A	370	375	Right-handed 310
Helix 18	18	A	398	406	Right-handed alpha
Helix 19	19	A	417	426	Right-handed alpha
Helix 20	20	A	465	469	Right-handed 310
Helix 21	21	B	9	17	Right-handed alpha
Helix 22	22	B	18	20	Right-handed 310
Helix 23	23	B	26	34	Right-handed alpha
Helix 24	24	B	49	58	Right-handed alpha
Helix 25	25	B	59	61	Right-handed 310
Helix 26	26	B	85	88	Right-handed 310
Helix 27	27	B	89	94	Right-handed alpha
Helix 28	28	B	101	112	Right-handed alpha
Helix 29	29	B	129	139	Right-handed alpha
Helix 30	30	B	151	165	Right-handed alpha
Helix 31	31	B	179	184	Right-handed alpha
Helix 32	32	B	199	205	Right-handed 310
Helix 33	33	B	214	235	Right-handed alpha
Helix 34	34	B	254	265	Right-handed alpha
Helix 35	35	B	280	285	Right-handed 310
Helix 36	36	B	333	346	Right-handed alpha
Helix 37	37	B	370	375	Right-handed 310
Helix 38	38	B	398	406	Right-handed alpha
Helix 39	39	B	417	426	Right-handed alpha
Helix 40	40	B	465	469	Right-handed 310
Helix 41	41	C	9	17	Right-handed alpha
Helix 42	42	C	18	20	Right-handed 310
Helix 43	43	C	26	34	Right-handed alpha
Helix 44	44	C	49	58	Right-handed alpha
Helix 45	45	C	59	61	Right-handed 310
Helix 46	46	C	85	88	Right-handed 310
Helix 47	47	C	89	94	Right-handed alpha
Helix 48	48	C	101	112	Right-handed alpha
Helix 49	49	C	129	139	Right-handed alpha
Helix 50	50	C	151	165	Right-handed alpha
Helix 51	51	C	179	184	Right-handed alpha
Helix 52	52	C	199	205	Right-handed 310
Helix 53	53	C	214	235	Right-handed alpha
Helix 54	54	C	254	265	Right-handed alpha
Helix 55	55	C	280	285	Right-handed 310
Helix 56	56	C	333	346	Right-handed alpha
Helix 57	57	C	369	373	Right-handed alpha
Helix 58	58	C	398	406	Right-handed alpha
Helix 59	59	C	417	426	Right-handed alpha
Helix 60	60	C	465	469	Right-handed 310
Helix 61	61	D	9	17	Right-handed alpha
Helix 62	62	D	26	34	Right-handed alpha
Helix 63	63	D	49	58	Right-handed alpha
Helix 64	64	D	59	61	Right-handed 310
Helix 65	65	D	85	88	Right-handed 310
Helix 66	66	D	89	94	Right-handed alpha
Helix 67	67	D	101	113	Right-handed alpha
Helix 68	68	D	129	139	Right-handed alpha
Helix 69	69	D	151	166	Right-handed alpha
Helix 70	70	D	179	184	Right-handed alpha
Helix 71	71	D	199	205	Right-handed 310
Helix 72	72	D	214	235	Right-handed alpha
Helix 73	73	D	254	265	Right-handed alpha
Helix 74	74	D	280	285	Right-handed 310
Helix 75	75	D	333	346	Right-handed alpha
Helix 76	76	D	370	375	Right-handed 310
Helix 77	77	D	398	406	Right-handed alpha
Helix 78	78	D	417	426	Right-handed alpha
Helix 79	79	D	465	469	Right-handed 310

There are 20 sheets in PDB entry 2FRX. 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,

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	66	67	first strand
Strand 2	A	70	74	anti-parallel
Strand 3	A	41	43	anti-parallel
Strand 4	A	97	99	anti-parallel

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There are 3 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	269	271	first strand
Strand 2	A	303	310	anti-parallel
Strand 3	A	291	293	anti-parallel

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There are 8 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	269	271	first strand
Strand 2	A	303	310	anti-parallel
Strand 3	A	236	246	anti-parallel
Strand 4	A	188	194	parallel
Strand 5	A	120	123	parallel
Strand 6	A	144	148	parallel
Strand 7	A	170	173	parallel
Strand 8	A	382	383	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	A	330	331	first strand
Strand 2	A	355	359	anti-parallel
Strand 3	A	363	368	anti-parallel
Strand 4	A	385	391	anti-parallel
Strand 5	A	394	397	anti-parallel

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There are 3 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	413	415	first strand
Strand 2	A	440	445	parallel
Strand 3	A	448	454	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	B	66	67	first strand
Strand 2	B	70	74	anti-parallel
Strand 3	B	41	43	anti-parallel
Strand 4	B	97	99	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	B	269	271	first strand
Strand 2	B	303	310	anti-parallel
Strand 3	B	291	293	anti-parallel

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There are 8 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	269	271	first strand
Strand 2	B	303	310	anti-parallel
Strand 3	B	236	246	anti-parallel
Strand 4	B	188	194	parallel
Strand 5	B	120	123	parallel
Strand 6	B	144	148	parallel
Strand 7	B	170	173	parallel
Strand 8	B	382	383	anti-parallel

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There are 5 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	330	331	first strand
Strand 2	B	355	359	anti-parallel
Strand 3	B	363	368	anti-parallel
Strand 4	B	385	391	anti-parallel
Strand 5	B	394	397	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	B	413	415	first strand
Strand 2	B	440	445	parallel
Strand 3	B	448	454	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	C	66	67	first strand
Strand 2	C	70	74	anti-parallel
Strand 3	C	41	43	anti-parallel
Strand 4	C	97	99	anti-parallel

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There are 3 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	269	271	first strand
Strand 2	C	303	310	anti-parallel
Strand 3	C	291	293	anti-parallel

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There are 8 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	269	271	first strand
Strand 2	C	303	310	anti-parallel
Strand 3	C	236	246	anti-parallel
Strand 4	C	188	194	parallel
Strand 5	C	120	123	parallel
Strand 6	C	144	148	parallel
Strand 7	C	170	173	parallel
Strand 8	C	382	383	anti-parallel

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There are 5 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	330	331	first strand
Strand 2	C	355	359	anti-parallel
Strand 3	C	363	368	anti-parallel
Strand 4	C	385	391	anti-parallel
Strand 5	C	394	397	anti-parallel

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There are 3 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	413	415	first strand
Strand 2	C	440	444	parallel
Strand 3	C	449	454	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	D	66	67	first strand
Strand 2	D	70	74	anti-parallel
Strand 3	D	41	43	anti-parallel
Strand 4	D	97	99	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	D	269	271	first strand
Strand 2	D	303	310	anti-parallel
Strand 3	D	291	293	anti-parallel

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There are 8 strands in R sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	269	271	first strand
Strand 2	D	303	310	anti-parallel
Strand 3	D	236	246	anti-parallel
Strand 4	D	188	194	parallel
Strand 5	D	120	123	parallel
Strand 6	D	144	148	parallel
Strand 7	D	170	173	parallel
Strand 8	D	382	383	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	D	330	331	first strand
Strand 2	D	355	359	anti-parallel
Strand 3	D	363	368	anti-parallel
Strand 4	D	385	391	anti-parallel
Strand 5	D	394	397	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	D	413	415	first strand
Strand 2	D	441	444	parallel
Strand 3	D	449	453	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: 2FRX

Analysis of interatomic Contacts of Structural Units in PDB entry:
2FRX