Analysis of interatomic Contacts of Structural Units in PDB entry:
1RF4

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 1RF4 entry

There are 4 chains in PDB entry 1RF4 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	MET 1	GLY 427
B	MET 1	GLY 427
C	MET 1	GLY 427
D	MET 1	GLY 427

There are 68 helices in PDB entry 1RF4. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	19	33	Right-handed alpha
Helix 2	2	A	45	58	Right-handed alpha
Helix 3	3	A	91	102	Right-handed alpha
Helix 4	4	A	103	105	Right-handed 310
Helix 5	5	A	116	120	Right-handed 310
Helix 6	6	A	122	132	Right-handed alpha
Helix 7	7	A	166	178	Right-handed alpha
Helix 8	8	A	194	203	Right-handed alpha
Helix 9	9	A	232	246	Right-handed alpha
Helix 10	10	A	263	272	Right-handed alpha
Helix 11	11	A	306	312	Right-handed 310
Helix 12	12	A	313	323	Right-handed alpha
Helix 13	13	A	333	339	Right-handed 310
Helix 14	14	A	344	353	Right-handed alpha
Helix 15	15	A	383	396	Right-handed alpha
Helix 16	16	A	406	413	Right-handed 310
Helix 17	17	A	416	426	Right-handed alpha
Helix 18	18	B	19	33	Right-handed alpha
Helix 19	19	B	45	58	Right-handed alpha
Helix 20	20	B	91	102	Right-handed alpha
Helix 21	21	B	103	105	Right-handed 310
Helix 22	22	B	116	120	Right-handed 310
Helix 23	23	B	122	132	Right-handed alpha
Helix 24	24	B	166	178	Right-handed alpha
Helix 25	25	B	194	203	Right-handed alpha
Helix 26	26	B	232	246	Right-handed alpha
Helix 27	27	B	263	272	Right-handed alpha
Helix 28	28	B	306	312	Right-handed 310
Helix 29	29	B	313	323	Right-handed alpha
Helix 30	30	B	333	339	Right-handed 310
Helix 31	31	B	344	353	Right-handed alpha
Helix 32	32	B	383	396	Right-handed alpha
Helix 33	33	B	406	413	Right-handed 310
Helix 34	34	B	416	426	Right-handed alpha
Helix 35	35	C	19	33	Right-handed alpha
Helix 36	36	C	45	58	Right-handed alpha
Helix 37	37	C	91	102	Right-handed alpha
Helix 38	38	C	103	105	Right-handed 310
Helix 39	39	C	116	120	Right-handed 310
Helix 40	40	C	122	132	Right-handed alpha
Helix 41	41	C	166	180	Right-handed alpha
Helix 42	42	C	194	203	Right-handed alpha
Helix 43	43	C	232	246	Right-handed alpha
Helix 44	44	C	259	262	Right-handed 310
Helix 45	45	C	263	272	Right-handed alpha
Helix 46	46	C	306	312	Right-handed 310
Helix 47	47	C	313	324	Right-handed alpha
Helix 48	48	C	333	339	Right-handed 310
Helix 49	49	C	342	353	Right-handed alpha
Helix 50	50	C	383	395	Right-handed alpha
Helix 51	51	C	406	413	Right-handed 310
Helix 52	52	C	416	426	Right-handed alpha
Helix 53	53	D	19	33	Right-handed alpha
Helix 54	54	D	45	58	Right-handed alpha
Helix 55	55	D	91	102	Right-handed alpha
Helix 56	56	D	116	120	Right-handed 310
Helix 57	57	D	122	132	Right-handed alpha
Helix 58	58	D	166	178	Right-handed alpha
Helix 59	59	D	194	203	Right-handed alpha
Helix 60	60	D	232	246	Right-handed alpha
Helix 61	61	D	263	273	Right-handed alpha
Helix 62	62	D	306	312	Right-handed 310
Helix 63	63	D	313	323	Right-handed alpha
Helix 64	64	D	333	339	Right-handed 310
Helix 65	65	D	344	353	Right-handed alpha
Helix 66	66	D	383	395	Right-handed alpha
Helix 67	67	D	406	413	Right-handed 310
Helix 68	68	D	416	426	Right-handed alpha

There are 25 sheets in PDB entry 1RF4. 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, U, V, W, X, Y,

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	11	15	first strand
Strand 2	A	250	257	parallel
Strand 3	A	287	293	anti-parallel
Strand 4	A	275	282	anti-parallel

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There are 4 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	61	65	first strand
Strand 2	A	68	72	anti-parallel
Strand 3	A	36	40	anti-parallel
Strand 4	A	226	228	parallel

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There are 4 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	86	87	first strand
Strand 2	A	108	112	parallel
Strand 3	A	144	150	anti-parallel
Strand 4	A	135	139	anti-parallel

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There are 4 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	159	161	first strand
Strand 2	A	182	187	parallel
Strand 3	A	213	218	anti-parallel
Strand 4	A	208	210	anti-parallel

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There are 4 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	301	302	first strand
Strand 2	A	326	330	parallel
Strand 3	A	364	369	anti-parallel
Strand 4	A	358	361	anti-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	A	376	379	first strand
Strand 2	A	402	405	parallel

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There are 4 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	10	14	first strand
Strand 2	B	249	257	parallel
Strand 3	B	287	293	anti-parallel
Strand 4	B	275	282	anti-parallel

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There are 4 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	61	65	first strand
Strand 2	B	68	72	anti-parallel
Strand 3	B	36	40	anti-parallel
Strand 4	B	226	228	parallel

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There are 4 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	86	89	first strand
Strand 2	B	108	113	parallel
Strand 3	B	144	150	anti-parallel
Strand 4	B	135	139	anti-parallel

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There are 4 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	159	161	first strand
Strand 2	B	182	187	parallel
Strand 3	B	213	218	anti-parallel
Strand 4	B	208	210	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	B	301	302	first strand
Strand 2	B	326	330	parallel
Strand 3	B	364	369	anti-parallel
Strand 4	B	358	361	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	376	379	first strand
Strand 2	B	402	405	parallel

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There are 4 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	10	14	first strand
Strand 2	C	249	257	parallel
Strand 3	C	287	293	anti-parallel
Strand 4	C	275	282	anti-parallel

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There are 4 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	61	65	first strand
Strand 2	C	68	72	anti-parallel
Strand 3	C	36	40	anti-parallel
Strand 4	C	226	228	parallel

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There are 4 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	86	87	first strand
Strand 2	C	108	112	parallel
Strand 3	C	144	150	anti-parallel
Strand 4	C	135	139	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	C	159	161	first strand
Strand 2	C	182	187	parallel
Strand 3	C	213	218	anti-parallel
Strand 4	C	208	210	anti-parallel

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There are 4 strands in Q sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	301	302	first strand
Strand 2	C	326	330	parallel
Strand 3	C	364	369	anti-parallel
Strand 4	C	358	361	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	376	379	first strand
Strand 2	C	402	405	parallel

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There are 4 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	10	15	first strand
Strand 2	D	249	257	parallel
Strand 3	D	287	293	anti-parallel
Strand 4	D	275	282	anti-parallel

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There are 4 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	61	65	first strand
Strand 2	D	68	72	anti-parallel
Strand 3	D	36	40	anti-parallel
Strand 4	D	226	228	parallel

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There are 4 strands in U sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	86	87	first strand
Strand 2	D	108	112	parallel
Strand 3	D	144	150	anti-parallel
Strand 4	D	135	139	anti-parallel

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There are 4 strands in V sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	159	161	first strand
Strand 2	D	182	187	parallel
Strand 3	D	213	218	anti-parallel
Strand 4	D	208	210	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	297	298	first strand
Strand 2	D	324	330	parallel
Strand 3	D	301	302	parallel

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There are 4 strands in X sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	297	298	first strand
Strand 2	D	324	330	parallel
Strand 3	D	364	369	anti-parallel
Strand 4	D	358	361	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	376	379	first strand
Strand 2	D	402	405	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: 1RF4

Analysis of interatomic Contacts of Structural Units in PDB entry:
1RF4