Analysis of interatomic Contacts of Structural Units in PDB entry:
2XC1

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 2XC1 entry

There are 2 chains in PDB entry 2XC1 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	VAL 7	LEU 666
B	ASN 6	SER 644

There are 38 helices in PDB entry 2XC1. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	41	44	Right-handed 310
Helix 2	2	A	104	108	Right-handed 310
Helix 3	3	A	112	121	Right-handed alpha
Helix 4	4	A	128	130	Right-handed 310
Helix 5	5	A	132	140	Right-handed alpha
Helix 6	6	A	216	222	Right-handed alpha
Helix 7	7	A	235	242	Right-handed alpha
Helix 8	8	A	244	249	Right-handed alpha
Helix 9	9	A	250	254	Right-handed 310
Helix 10	10	A	531	533	Right-handed 310
Helix 11	11	A	610	613	Right-handed 310
Helix 12	12	A	626	630	Right-handed 310
Helix 13	13	A	642	645	Right-handed 310
Helix 14	14	B	41	44	Right-handed 310
Helix 15	15	B	104	109	Right-handed 310
Helix 16	16	B	111	121	Right-handed alpha
Helix 17	17	B	128	130	Right-handed 310
Helix 18	18	B	132	140	Right-handed alpha
Helix 19	19	B	216	222	Right-handed alpha
Helix 20	20	B	236	242	Right-handed alpha
Helix 21	21	B	244	249	Right-handed alpha
Helix 22	22	B	250	254	Right-handed 310
Helix 23	23	B	531	533	Right-handed 310
Helix 24	24	B	610	613	Right-handed 310
Helix 25	25	B	626	630	Right-handed 310
Helix 26	26	B	642	645	Right-handed 310
Helix 27	27	C	41	44	Right-handed 310
Helix 28	28	C	104	108	Right-handed 310
Helix 29	29	C	112	121	Right-handed alpha
Helix 30	30	C	128	130	Right-handed 310
Helix 31	31	C	132	140	Right-handed alpha
Helix 32	32	C	216	222	Right-handed alpha
Helix 33	33	C	235	242	Right-handed alpha
Helix 34	34	C	244	249	Right-handed alpha
Helix 35	35	C	250	254	Right-handed 310
Helix 36	36	C	531	533	Right-handed 310
Helix 37	37	C	610	613	Right-handed 310
Helix 38	38	C	626	630	Right-handed 310

There are 27 sheets in PDB entry 2XC1. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, AG, AH, AI, BA, BB, BC, BD, BE, BF, BG, BH, BI, CA, CB, CC, CD, CE, CF, CG, CH, CI,

There are 6 strands in AA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	77	78	first strand
Strand 2	A	72	74	anti-parallel
Strand 3	A	64	66	anti-parallel
Strand 4	A	29	33	anti-parallel
Strand 5	A	88	92	anti-parallel
Strand 6	A	98	102	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	57	60	first strand
Strand 2	A	48	51	anti-parallel
Strand 3	A	81	83	anti-parallel
Strand 4	B	7	8	anti-parallel

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There are 14 strands in AC sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	124	126	first strand
Strand 2	A	143	146	parallel
Strand 3	A	166	169	parallel
Strand 4	A	189	191	parallel
Strand 5	A	271	273	parallel
Strand 6	A	291	293	parallel
Strand 7	A	320	322	parallel
Strand 8	A	348	350	parallel
Strand 9	A	380	387	parallel
Strand 10	A	427	434	parallel
Strand 11	A	449	456	parallel
Strand 12	A	471	478	parallel
Strand 13	A	497	503	parallel
Strand 14	A	522	527	parallel

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There are 13 strands in AD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	150	151	first strand
Strand 2	A	172	174	parallel
Strand 3	A	194	196	parallel
Strand 4	A	276	285	parallel
Strand 5	A	296	300	parallel
Strand 6	A	325	328	parallel
Strand 7	A	353	355	parallel
Strand 8	A	380	387	parallel
Strand 9	A	427	434	parallel
Strand 10	A	449	456	parallel
Strand 11	A	471	478	parallel
Strand 12	A	497	503	parallel
Strand 13	A	522	527	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	202	203	first strand
Strand 2	A	225	226	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	368	369	first strand
Strand 2	A	372	373	anti-parallel

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There are 13 strands in AG sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	156	159	first strand
Strand 2	A	177	182	parallel
Strand 3	A	260	265	parallel
Strand 4	A	280	285	parallel
Strand 5	A	306	309	parallel
Strand 6	A	334	337	parallel
Strand 7	A	362	364	parallel
Strand 8	A	394	396	parallel
Strand 9	A	439	446	parallel
Strand 10	A	461	468	parallel
Strand 11	A	490	492	parallel
Strand 12	A	516	521	parallel
Strand 13	A	535	545	parallel

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There are 6 strands in AH sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	547	552	first strand
Strand 2	A	557	564	parallel
Strand 3	A	574	580	anti-parallel
Strand 4	A	589	597	anti-parallel
Strand 5	A	600	608	anti-parallel
Strand 6	A	616	619	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	635	641	first strand
Strand 2	A	646	652	anti-parallel
Strand 3	A	658	664	anti-parallel

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There are 6 strands in BA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	77	78	first strand
Strand 2	B	72	74	anti-parallel
Strand 3	B	64	66	anti-parallel
Strand 4	B	28	33	anti-parallel
Strand 5	B	88	92	anti-parallel
Strand 6	B	98	102	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	57	60	first strand
Strand 2	B	48	51	anti-parallel
Strand 3	B	81	83	anti-parallel
Strand 4	C	7	8	anti-parallel

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There are 14 strands in BC sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	124	126	first strand
Strand 2	B	143	146	parallel
Strand 3	B	166	169	parallel
Strand 4	B	189	191	parallel
Strand 5	B	271	273	parallel
Strand 6	B	291	293	parallel
Strand 7	B	320	322	parallel
Strand 8	B	348	350	parallel
Strand 9	B	380	387	parallel
Strand 10	B	427	434	parallel
Strand 11	B	449	456	parallel
Strand 12	B	471	478	parallel
Strand 13	B	497	503	parallel
Strand 14	B	522	527	parallel

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There are 13 strands in BD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	150	151	first strand
Strand 2	B	173	174	parallel
Strand 3	B	194	196	parallel
Strand 4	B	276	285	parallel
Strand 5	B	296	300	parallel
Strand 6	B	325	328	parallel
Strand 7	B	353	355	parallel
Strand 8	B	380	387	parallel
Strand 9	B	427	434	parallel
Strand 10	B	449	456	parallel
Strand 11	B	471	478	parallel
Strand 12	B	497	503	parallel
Strand 13	B	522	527	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	202	203	first strand
Strand 2	B	225	226	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	368	369	first strand
Strand 2	B	372	373	anti-parallel

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There are 13 strands in BG sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	156	159	first strand
Strand 2	B	177	182	parallel
Strand 3	B	260	265	parallel
Strand 4	B	280	285	parallel
Strand 5	B	306	309	parallel
Strand 6	B	334	337	parallel
Strand 7	B	362	364	parallel
Strand 8	B	394	395	parallel
Strand 9	B	439	446	parallel
Strand 10	B	461	468	parallel
Strand 11	B	490	492	parallel
Strand 12	B	516	521	parallel
Strand 13	B	535	545	parallel

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There are 6 strands in BH sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	547	552	first strand
Strand 2	B	557	564	parallel
Strand 3	B	574	580	anti-parallel
Strand 4	B	589	597	anti-parallel
Strand 5	B	600	608	anti-parallel
Strand 6	B	616	619	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	635	641	first strand
Strand 2	B	646	652	anti-parallel
Strand 3	B	658	664	anti-parallel

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There are 6 strands in CA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	77	78	first strand
Strand 2	C	72	74	anti-parallel
Strand 3	C	64	66	anti-parallel
Strand 4	C	29	33	anti-parallel
Strand 5	C	88	92	anti-parallel
Strand 6	C	98	102	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	57	60	first strand
Strand 2	C	48	51	anti-parallel
Strand 3	C	81	82	anti-parallel

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There are 14 strands in CC sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	124	126	first strand
Strand 2	C	143	146	parallel
Strand 3	C	166	169	parallel
Strand 4	C	189	191	parallel
Strand 5	C	271	273	parallel
Strand 6	C	291	293	parallel
Strand 7	C	320	322	parallel
Strand 8	C	348	350	parallel
Strand 9	C	380	387	parallel
Strand 10	C	427	434	parallel
Strand 11	C	449	456	parallel
Strand 12	C	471	478	parallel
Strand 13	C	497	503	parallel
Strand 14	C	522	527	parallel

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There are 13 strands in CD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	150	151	first strand
Strand 2	C	173	174	parallel
Strand 3	C	194	196	parallel
Strand 4	C	276	285	parallel
Strand 5	C	296	300	parallel
Strand 6	C	325	328	parallel
Strand 7	C	353	355	parallel
Strand 8	C	380	387	parallel
Strand 9	C	427	434	parallel
Strand 10	C	449	456	parallel
Strand 11	C	471	478	parallel
Strand 12	C	497	503	parallel
Strand 13	C	522	527	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	202	203	first strand
Strand 2	C	225	226	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	368	369	first strand
Strand 2	C	372	373	anti-parallel

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There are 13 strands in CG sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	156	159	first strand
Strand 2	C	177	182	parallel
Strand 3	C	260	265	parallel
Strand 4	C	276	285	parallel
Strand 5	C	306	309	parallel
Strand 6	C	334	337	parallel
Strand 7	C	362	364	parallel
Strand 8	C	392	396	parallel
Strand 9	C	439	446	parallel
Strand 10	C	461	468	parallel
Strand 11	C	490	492	parallel
Strand 12	C	516	521	parallel
Strand 13	C	535	545	parallel

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There are 6 strands in CH sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	547	552	first strand
Strand 2	C	557	564	parallel
Strand 3	C	574	580	anti-parallel
Strand 4	C	589	597	anti-parallel
Strand 5	C	600	608	anti-parallel
Strand 6	C	616	619	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	635	641	first strand
Strand 2	C	646	652	anti-parallel
Strand 3	C	658	664	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: 2XC1

Analysis of interatomic Contacts of Structural Units in PDB entry:
2XC1