Analysis of interatomic Contacts of Structural Units in PDB entry:
1XF1

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 1XF1 entry

There are 2 chains in PDB entry 1XF1 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ASN 106	HIS 1031
B	ASN 106	HIS 1031

There are 37 helices in PDB entry 1XF1. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	111	119	Right-handed alpha
Helix 2	2	A	151	162	Right-handed alpha
Helix 3	3	A	195	200	Right-handed alpha
Helix 4	4	A	234	252	Right-handed alpha
Helix 5	5	A	272	285	Right-handed alpha
Helix 6	6	A	397	408	Right-handed alpha
Helix 7	7	A	439	449	Right-handed alpha
Helix 8	8	A	513	532	Right-handed alpha
Helix 9	9	A	536	553	Right-handed alpha
Helix 10	10	A	559	562	Right-handed 310
Helix 11	11	A	566	571	Right-handed alpha
Helix 12	12	A	576	583	Right-handed alpha
Helix 13	13	A	672	680	Right-handed alpha
Helix 14	14	A	712	716	Right-handed 310
Helix 15	15	A	722	726	Right-handed 310
Helix 16	16	A	767	777	Right-handed alpha
Helix 17	17	A	884	887	Right-handed 310
Helix 18	18	A	1004	1007	Right-handed 310
Helix 19	19	A	1024	1029	Right-handed alpha
Helix 20	20	B	111	119	Right-handed alpha
Helix 21	21	B	152	163	Right-handed alpha
Helix 22	22	B	191	200	Right-handed alpha
Helix 23	23	B	234	252	Right-handed alpha
Helix 24	24	B	272	285	Right-handed alpha
Helix 25	25	B	378	382	Right-handed 310
Helix 26	26	B	397	408	Right-handed alpha
Helix 27	27	B	439	447	Right-handed alpha
Helix 28	28	B	513	533	Right-handed alpha
Helix 29	29	B	537	553	Right-handed alpha
Helix 30	30	B	566	571	Right-handed alpha
Helix 31	31	B	576	583	Right-handed alpha
Helix 32	32	B	672	680	Right-handed alpha
Helix 33	33	B	722	726	Right-handed 310
Helix 34	34	B	767	777	Right-handed alpha
Helix 35	35	B	884	887	Right-handed 310
Helix 36	36	B	1004	1007	Right-handed 310
Helix 37	37	B	1024	1029	Right-handed alpha

There are 28 sheets in PDB entry 1XF1. 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, AA, AB,

There are 7 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	177	180	first strand
Strand 2	A	223	228	parallel
Strand 3	A	125	129	parallel
Strand 4	A	255	259	parallel
Strand 5	A	288	292	parallel
Strand 6	A	326	331	parallel
Strand 7	A	489	492	parallel

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There are 9 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	461	464	first strand
Strand 2	A	335	344	anti-parallel
Strand 3	A	453	456	anti-parallel
Strand 4	A	367	371	anti-parallel
Strand 5	A	388	392	parallel
Strand 6	A	412	416	parallel
Strand 7	A	435	438	parallel
Strand 8	A	350	358	anti-parallel
Strand 9	A	335	344	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	425	426	first strand
Strand 2	A	496	498	parallel
Strand 3	A	507	509	anti-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	A	557	558	first strand
Strand 2	A	563	564	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	585	589	first strand
Strand 2	A	605	614	anti-parallel
Strand 3	A	659	668	anti-parallel

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There are 5 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	597	602	first strand
Strand 2	A	702	710	parallel
Strand 3	A	684	693	anti-parallel
Strand 4	A	620	634	anti-parallel
Strand 5	A	637	647	anti-parallel

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There are 5 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	597	602	first strand
Strand 2	A	702	710	parallel
Strand 3	A	684	693	anti-parallel
Strand 4	A	620	634	anti-parallel
Strand 5	A	651	655	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	791	794	first strand
Strand 2	A	760	765	anti-parallel
Strand 3	A	833	836	anti-parallel
Strand 4	A	881	882	anti-parallel

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There are 2 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	797	799	first strand
Strand 2	A	807	809	anti-parallel

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There are 5 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	819	821	first strand
Strand 2	A	919	927	parallel
Strand 3	A	901	911	anti-parallel
Strand 4	A	842	850	anti-parallel
Strand 5	A	856	859	anti-parallel

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There are 5 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	819	821	first strand
Strand 2	A	919	927	parallel
Strand 3	A	901	911	anti-parallel
Strand 4	A	842	850	anti-parallel
Strand 5	A	863	866	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	A	938	940	first strand
Strand 2	A	946	949	anti-parallel
Strand 3	A	987	988	anti-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	A	975	979	first strand
Strand 2	A	959	968	anti-parallel
Strand 3	A	1009	1014	anti-parallel
Strand 4	A	1019	1023	anti-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	A	992	994	first strand
Strand 2	A	1000	1002	anti-parallel

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There are 7 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	175	177	first strand
Strand 2	B	223	226	parallel
Strand 3	B	125	129	parallel
Strand 4	B	256	259	parallel
Strand 5	B	288	292	parallel
Strand 6	B	326	331	parallel
Strand 7	B	489	492	parallel

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There are 7 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	369	371	first strand
Strand 2	B	388	392	parallel
Strand 3	B	413	416	parallel
Strand 4	B	435	438	parallel
Strand 5	B	349	358	anti-parallel
Strand 6	B	335	345	anti-parallel
Strand 7	B	455	464	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	B	425	426	first strand
Strand 2	B	496	498	parallel
Strand 3	B	507	509	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	B	557	558	first strand
Strand 2	B	563	564	anti-parallel

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There are 3 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	585	589	first strand
Strand 2	B	605	614	anti-parallel
Strand 3	B	659	668	anti-parallel

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There are 5 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	597	602	first strand
Strand 2	B	700	710	parallel
Strand 3	B	684	693	anti-parallel
Strand 4	B	620	634	anti-parallel
Strand 5	B	637	647	anti-parallel

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There are 5 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	597	602	first strand
Strand 2	B	700	710	parallel
Strand 3	B	684	693	anti-parallel
Strand 4	B	620	634	anti-parallel
Strand 5	B	651	655	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	791	794	first strand
Strand 2	B	760	765	anti-parallel
Strand 3	B	833	836	anti-parallel
Strand 4	B	881	882	anti-parallel

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There are 2 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	797	799	first strand
Strand 2	B	807	809	anti-parallel

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There are 5 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	819	821	first strand
Strand 2	B	919	927	parallel
Strand 3	B	901	911	anti-parallel
Strand 4	B	842	850	anti-parallel
Strand 5	B	856	859	anti-parallel

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There are 5 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	819	821	first strand
Strand 2	B	919	927	parallel
Strand 3	B	901	911	anti-parallel
Strand 4	B	842	850	anti-parallel
Strand 5	B	863	866	anti-parallel

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There are 3 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	938	941	first strand
Strand 2	B	946	949	anti-parallel
Strand 3	B	987	988	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	975	979	first strand
Strand 2	B	959	968	anti-parallel
Strand 3	B	1009	1014	anti-parallel
Strand 4	B	1019	1023	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	992	994	first strand
Strand 2	B	1000	1002	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: 1XF1

Analysis of interatomic Contacts of Structural Units in PDB entry:
1XF1