Analysis of interatomic Contacts of Structural Units in PDB entry:
1FRF

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 1FRF entry

There are 2 chains in PDB entry 1FRF (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
S	LYS 4	GLY 264
L	THR 7	HIS 549

There are 43 helices in PDB entry 1FRF. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	S	18	25	Right-handed alpha
Helix 2	2	S	31	39	Right-handed alpha
Helix 3	3	S	52	66	Right-handed alpha
Helix 4	4	S	81	85	Right-handed 310
Helix 5	5	S	94	105	Right-handed alpha
Helix 6	6	S	113	118	Right-handed alpha
Helix 7	7	S	132	138	Right-handed alpha
Helix 8	8	S	150	163	Right-handed alpha
Helix 9	9	S	175	180	Right-handed alpha
Helix 10	10	S	182	187	Right-handed alpha
Helix 11	11	S	189	195	Right-handed alpha
Helix 12	12	S	204	209	Right-handed alpha
Helix 13	13	S	219	223	Right-handed 310
Helix 14	14	S	226	231	Right-handed alpha
Helix 15	15	S	237	242	Right-handed 310
Helix 16	16	S	252	257	Right-handed alpha
Helix 17	17	L	52	57	Right-handed alpha
Helix 18	18	L	60	62	Right-handed 310
Helix 19	19	L	63	69	Right-handed alpha
Helix 20	20	L	70	72	Right-handed 310
Helix 21	21	L	77	92	Right-handed alpha
Helix 22	22	L	96	121	Right-handed alpha
Helix 23	23	L	123	127	Right-handed 310
Helix 24	24	L	129	135	Right-handed 310
Helix 25	25	L	137	149	Right-handed alpha
Helix 26	26	L	152	155	Right-handed 310
Helix 27	27	L	156	172	Right-handed alpha
Helix 28	28	L	176	180	Right-handed 310
Helix 29	29	L	194	224	Right-handed alpha
Helix 30	30	L	239	243	Right-handed 310
Helix 31	31	L	244	265	Right-handed alpha
Helix 32	32	L	265	277	Right-handed alpha
Helix 33	33	L	278	283	Right-handed 310
Helix 34	34	L	301	308	Right-handed alpha
Helix 35	35	L	349	353	Right-handed 310
Helix 36	36	L	384	395	Right-handed alpha
Helix 37	37	L	397	412	Right-handed alpha
Helix 38	38	L	415	419	Right-handed 310
Helix 39	39	L	420	453	Right-handed alpha
Helix 40	40	L	497	504	Right-handed alpha
Helix 41	41	L	513	520	Right-handed alpha
Helix 42	42	L	530	540	Right-handed alpha
Helix 43	43	L	543	549	Right-handed alpha

There are 9 sheets in PDB entry 1FRF. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I,

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	S	41	44	first strand
Strand 2	S	8	13	parallel
Strand 3	S	71	75	parallel
Strand 4	S	107	111	parallel
Strand 5	S	142	144	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	S	78	79	first strand
Strand 2	S	130	131	anti-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	S	88	89	first strand
Strand 2	S	92	93	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	14	18	first strand
Strand 2	L	28	35	anti-parallel
Strand 3	L	38	46	anti-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	L	232	233	first strand
Strand 2	L	236	237	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	L	314	316	first strand
Strand 2	L	289	291	anti-parallel
Strand 3	L	382	383	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	L	294	296	first strand
Strand 2	L	309	311	anti-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	L	333	335	first strand
Strand 2	L	373	375	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	466	474	first strand
Strand 2	L	477	486	anti-parallel
Strand 3	L	489	496	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: 1FRF

Analysis of interatomic Contacts of Structural Units in PDB entry:
1FRF