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

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 2FIQ entry

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

Chain ID	Initial residue	Terminal residue
A	MSE 1	GLU 420
B	MSE 1	ALA 419
C	MSE 1	ALA 419
D	MSE 1	GLU 420

There are 86 helices in PDB entry 2FIQ. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	1	10	Right-handed alpha
Helix 2	2	A	23	34	Right-handed alpha
Helix 3	3	A	60	76	Right-handed alpha
Helix 4	4	A	78	80	Right-handed 310
Helix 5	5	A	91	95	Right-handed 310
Helix 6	6	A	98	116	Right-handed alpha
Helix 7	7	A	137	156	Right-handed alpha
Helix 8	8	A	157	164	Right-handed alpha
Helix 9	9	A	189	206	Right-handed alpha
Helix 10	10	A	209	215	Right-handed alpha
Helix 11	11	A	236	239	Right-handed 310
Helix 12	12	A	240	248	Right-handed alpha
Helix 13	13	A	263	273	Right-handed alpha
Helix 14	14	A	281	303	Right-handed alpha
Helix 15	15	A	310	322	Right-handed alpha
Helix 16	16	A	323	326	Right-handed 310
Helix 17	17	A	333	344	Right-handed alpha
Helix 18	18	A	347	352	Right-handed 310
Helix 19	19	A	355	371	Right-handed alpha
Helix 20	20	A	375	383	Right-handed alpha
Helix 21	21	A	383	392	Right-handed alpha
Helix 22	22	A	398	419	Right-handed alpha
Helix 23	23	B	1	10	Right-handed alpha
Helix 24	24	B	23	34	Right-handed alpha
Helix 25	25	B	60	76	Right-handed alpha
Helix 26	26	B	78	80	Right-handed 310
Helix 27	27	B	98	116	Right-handed alpha
Helix 28	28	B	137	154	Right-handed alpha
Helix 29	29	B	157	164	Right-handed alpha
Helix 30	30	B	189	207	Right-handed alpha
Helix 31	31	B	209	214	Right-handed alpha
Helix 32	32	B	236	239	Right-handed 310
Helix 33	33	B	240	249	Right-handed alpha
Helix 34	34	B	263	273	Right-handed alpha
Helix 35	35	B	281	303	Right-handed alpha
Helix 36	36	B	304	308	Right-handed 310
Helix 37	37	B	310	322	Right-handed alpha
Helix 38	38	B	333	344	Right-handed alpha
Helix 39	39	B	347	352	Right-handed 310
Helix 40	40	B	355	371	Right-handed alpha
Helix 41	41	B	375	383	Right-handed alpha
Helix 42	42	B	383	392	Right-handed alpha
Helix 43	43	B	398	419	Right-handed alpha
Helix 44	44	C	1	10	Right-handed alpha
Helix 45	45	C	23	34	Right-handed alpha
Helix 46	46	C	60	76	Right-handed alpha
Helix 47	47	C	78	80	Right-handed 310
Helix 48	48	C	98	116	Right-handed alpha
Helix 49	49	C	137	154	Right-handed alpha
Helix 50	50	C	157	162	Right-handed alpha
Helix 51	51	C	189	207	Right-handed alpha
Helix 52	52	C	209	214	Right-handed alpha
Helix 53	53	C	236	239	Right-handed 310
Helix 54	54	C	240	248	Right-handed alpha
Helix 55	55	C	263	273	Right-handed alpha
Helix 56	56	C	281	303	Right-handed alpha
Helix 57	57	C	304	308	Right-handed 310
Helix 58	58	C	310	322	Right-handed alpha
Helix 59	59	C	323	326	Right-handed 310
Helix 60	60	C	333	344	Right-handed alpha
Helix 61	61	C	347	353	Right-handed 310
Helix 62	62	C	355	370	Right-handed alpha
Helix 63	63	C	375	383	Right-handed alpha
Helix 64	64	C	383	392	Right-handed alpha
Helix 65	65	C	398	419	Right-handed alpha
Helix 66	66	D	1	10	Right-handed alpha
Helix 67	67	D	23	34	Right-handed alpha
Helix 68	68	D	60	76	Right-handed alpha
Helix 69	69	D	78	80	Right-handed 310
Helix 70	70	D	98	116	Right-handed alpha
Helix 71	71	D	137	156	Right-handed alpha
Helix 72	72	D	157	164	Right-handed alpha
Helix 73	73	D	189	206	Right-handed alpha
Helix 74	74	D	209	214	Right-handed alpha
Helix 75	75	D	236	249	Right-handed alpha
Helix 76	76	D	263	273	Right-handed alpha
Helix 77	77	D	281	303	Right-handed alpha
Helix 78	78	D	304	308	Right-handed 310
Helix 79	79	D	310	322	Right-handed alpha
Helix 80	80	D	323	326	Right-handed 310
Helix 81	81	D	333	344	Right-handed alpha
Helix 82	82	D	347	352	Right-handed 310
Helix 83	83	D	355	371	Right-handed alpha
Helix 84	84	D	375	383	Right-handed alpha
Helix 85	85	D	383	392	Right-handed alpha
Helix 86	86	D	398	419	Right-handed alpha

There are 8 sheets in PDB entry 2FIQ. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 9 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	16	19	first strand
Strand 2	A	41	46	parallel
Strand 3	A	82	89	parallel
Strand 4	A	120	123	parallel
Strand 5	A	165	169	parallel
Strand 6	A	216	220	parallel
Strand 7	A	253	256	parallel
Strand 8	A	275	280	parallel
Strand 9	A	16	19	parallel

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There are 2 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	226	227	first strand
Strand 2	A	232	233	anti-parallel

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There are 9 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	16	19	first strand
Strand 2	B	41	46	parallel
Strand 3	B	82	89	parallel
Strand 4	B	120	123	parallel
Strand 5	B	165	169	parallel
Strand 6	B	216	220	parallel
Strand 7	B	253	256	parallel
Strand 8	B	275	280	parallel
Strand 9	B	16	19	parallel

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There are 2 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	226	228	first strand
Strand 2	B	231	233	anti-parallel

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There are 9 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	16	19	first strand
Strand 2	C	41	46	parallel
Strand 3	C	82	89	parallel
Strand 4	C	120	123	parallel
Strand 5	C	165	169	parallel
Strand 6	C	216	220	parallel
Strand 7	C	253	256	parallel
Strand 8	C	275	280	parallel
Strand 9	C	16	19	parallel

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There are 2 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	226	227	first strand
Strand 2	C	232	233	anti-parallel

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There are 9 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	16	19	first strand
Strand 2	D	41	46	parallel
Strand 3	D	82	89	parallel
Strand 4	D	120	123	parallel
Strand 5	D	165	169	parallel
Strand 6	D	216	220	parallel
Strand 7	D	253	256	parallel
Strand 8	D	275	280	parallel
Strand 9	D	16	19	parallel

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There are 2 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	226	228	first strand
Strand 2	D	231	233	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: 2FIQ

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