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

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 1PFQ entry

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

Chain ID	Initial residue	Terminal residue
A	SER 39	PRO 766
B	THR 36	PRO 766

There are 36 helices in PDB entry 1PFQ. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	44	50	Right-handed alpha
Helix 2	2	A	200	206	Right-handed alpha
Helix 3	3	A	274	276	Right-handed 310
Helix 4	4	A	290	295	Right-handed alpha
Helix 5	5	A	340	344	Right-handed 310
Helix 6	6	A	421	425	Right-handed 310
Helix 7	7	A	463	465	Right-handed 310
Helix 8	8	A	497	505	Right-handed alpha
Helix 9	9	A	562	572	Right-handed alpha
Helix 10	10	A	587	592	Right-handed alpha
Helix 11	11	A	593	595	Right-handed 310
Helix 12	12	A	600	615	Right-handed alpha
Helix 13	13	A	630	641	Right-handed alpha
Helix 14	14	A	658	662	Right-handed 310
Helix 15	15	A	663	672	Right-handed alpha
Helix 16	16	A	679	686	Right-handed alpha
Helix 17	17	A	688	698	Right-handed 310
Helix 18	18	A	713	726	Right-handed alpha
Helix 19	19	A	744	763	Right-handed alpha
Helix 20	20	B	44	51	Right-handed alpha
Helix 21	21	B	200	206	Right-handed alpha
Helix 22	22	B	290	295	Right-handed alpha
Helix 23	23	B	421	425	Right-handed 310
Helix 24	24	B	463	465	Right-handed 310
Helix 25	25	B	497	505	Right-handed alpha
Helix 26	26	B	562	570	Right-handed alpha
Helix 27	27	B	587	592	Right-handed alpha
Helix 28	28	B	593	595	Right-handed 310
Helix 29	29	B	600	616	Right-handed alpha
Helix 30	30	B	630	641	Right-handed alpha
Helix 31	31	B	658	662	Right-handed 310
Helix 32	32	B	663	672	Right-handed alpha
Helix 33	33	B	679	686	Right-handed alpha
Helix 34	34	B	688	698	Right-handed 310
Helix 35	35	B	712	727	Right-handed alpha
Helix 36	36	B	744	763	Right-handed alpha

There are 26 sheets in PDB entry 1PFQ. 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, Z,

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	41	42	first strand
Strand 2	A	507	508	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	62	first strand
Strand 2	A	67	72	anti-parallel
Strand 3	A	75	80	anti-parallel
Strand 4	A	86	90	anti-parallel

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There are 3 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	104	107	first strand
Strand 2	A	113	122	anti-parallel
Strand 3	A	128	136	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	152	157	first strand
Strand 2	A	164	168	anti-parallel
Strand 3	A	171	175	anti-parallel
Strand 4	A	183	184	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	194	196	first strand
Strand 2	A	222	229	anti-parallel
Strand 3	A	214	216	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	A	194	196	first strand
Strand 2	A	222	229	anti-parallel
Strand 3	A	265	272	anti-parallel
Strand 4	A	284	286	anti-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	A	235	240	first strand
Strand 2	A	250	255	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	A	298	307	first strand
Strand 2	A	310	317	anti-parallel
Strand 3	A	322	330	anti-parallel
Strand 4	A	337	338	anti-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	A	298	307	first strand
Strand 2	A	310	317	anti-parallel
Strand 3	A	322	330	anti-parallel
Strand 4	A	345	348	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	A	363	364	first strand
Strand 2	A	370	376	anti-parallel
Strand 3	A	382	388	anti-parallel
Strand 4	A	395	396	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	A	404	410	first strand
Strand 2	A	414	419	anti-parallel
Strand 3	A	430	435	anti-parallel
Strand 4	A	442	444	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	457	461	first strand
Strand 2	A	467	472	anti-parallel
Strand 3	A	479	484	anti-parallel
Strand 4	A	489	495	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	A	511	519	first strand
Strand 2	A	522	530	anti-parallel
Strand 3	A	574	578	anti-parallel
Strand 4	A	540	546	parallel
Strand 5	A	619	629	parallel
Strand 6	A	649	653	parallel
Strand 7	A	699	705	parallel
Strand 8	A	731	735	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	41	42	first strand
Strand 2	B	507	508	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	B	60	62	first strand
Strand 2	B	67	72	anti-parallel
Strand 3	B	75	80	anti-parallel
Strand 4	B	86	90	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	104	107	first strand
Strand 2	B	113	122	anti-parallel
Strand 3	B	128	136	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	B	152	157	first strand
Strand 2	B	164	168	anti-parallel
Strand 3	B	171	175	anti-parallel
Strand 4	B	182	184	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	194	196	first strand
Strand 2	B	222	229	anti-parallel
Strand 3	B	214	216	anti-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	B	194	196	first strand
Strand 2	B	222	229	anti-parallel
Strand 3	B	265	272	anti-parallel
Strand 4	B	285	286	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	235	240	first strand
Strand 2	B	250	255	anti-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	B	298	307	first strand
Strand 2	B	310	317	anti-parallel
Strand 3	B	322	331	anti-parallel
Strand 4	B	336	338	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	B	298	307	first strand
Strand 2	B	310	317	anti-parallel
Strand 3	B	322	331	anti-parallel
Strand 4	B	345	348	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	363	364	first strand
Strand 2	B	370	376	anti-parallel
Strand 3	B	382	388	anti-parallel
Strand 4	B	395	396	anti-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	B	404	410	first strand
Strand 2	B	414	419	anti-parallel
Strand 3	B	430	435	anti-parallel
Strand 4	B	442	444	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	457	461	first strand
Strand 2	B	467	472	anti-parallel
Strand 3	B	479	484	anti-parallel
Strand 4	B	489	495	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	511	519	first strand
Strand 2	B	522	530	anti-parallel
Strand 3	B	574	578	anti-parallel
Strand 4	B	540	545	parallel
Strand 5	B	619	629	parallel
Strand 6	B	649	653	parallel
Strand 7	B	699	705	parallel
Strand 8	B	731	735	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: 1PFQ

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