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

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 2XLL entry

There are 3 chains in PDB entry 2XLL (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	VAL 1	ASP 533
B	VAL 1	ASP 533
C	VAL 1	VAL 203

There are 52 helices in PDB entry 2XLL. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	101	105	Right-handed 310
Helix 2	2	A	140	147	Right-handed alpha
Helix 3	3	A	157	162	Right-handed alpha
Helix 4	4	A	284	287	Right-handed 310
Helix 5	5	A	296	302	Right-handed alpha
Helix 6	6	A	422	426	Right-handed 310
Helix 7	7	A	459	465	Right-handed alpha
Helix 8	8	A	482	487	Right-handed alpha
Helix 9	9	A	491	495	Right-handed 310
Helix 10	10	A	500	506	Right-handed alpha
Helix 11	11	A	508	511	Right-handed 310
Helix 12	12	A	512	526	Right-handed alpha
Helix 13	13	A	529	533	Right-handed 310
Helix 14	14	B	101	105	Right-handed 310
Helix 15	15	B	140	147	Right-handed alpha
Helix 16	16	B	157	162	Right-handed alpha
Helix 17	17	B	284	287	Right-handed 310
Helix 18	18	B	296	302	Right-handed alpha
Helix 19	19	B	422	426	Right-handed 310
Helix 20	20	B	459	465	Right-handed alpha
Helix 21	21	B	482	487	Right-handed alpha
Helix 22	22	B	491	495	Right-handed 310
Helix 23	23	B	500	506	Right-handed alpha
Helix 24	24	B	508	511	Right-handed 310
Helix 25	25	B	512	526	Right-handed alpha
Helix 26	26	B	529	533	Right-handed 310
Helix 27	27	C	101	105	Right-handed 310
Helix 28	28	C	140	147	Right-handed alpha
Helix 29	29	C	157	162	Right-handed alpha
Helix 30	30	C	284	287	Right-handed 310
Helix 31	31	C	296	302	Right-handed alpha
Helix 32	32	C	422	426	Right-handed 310
Helix 33	33	C	459	465	Right-handed alpha
Helix 34	34	C	482	487	Right-handed alpha
Helix 35	35	C	491	495	Right-handed 310
Helix 36	36	C	500	506	Right-handed alpha
Helix 37	37	C	508	511	Right-handed 310
Helix 38	38	C	512	526	Right-handed alpha
Helix 39	39	C	529	533	Right-handed 310
Helix 40	40	D	101	105	Right-handed 310
Helix 41	41	D	140	147	Right-handed alpha
Helix 42	42	D	157	162	Right-handed alpha
Helix 43	43	D	284	287	Right-handed 310
Helix 44	44	D	296	302	Right-handed alpha
Helix 45	45	D	422	426	Right-handed 310
Helix 46	46	D	459	465	Right-handed alpha
Helix 47	47	D	482	487	Right-handed alpha
Helix 48	48	D	491	495	Right-handed 310
Helix 49	49	D	500	506	Right-handed alpha
Helix 50	50	D	508	511	Right-handed 310
Helix 51	51	D	512	526	Right-handed alpha
Helix 52	52	D	529	533	Right-handed 310

There are 36 sheets in PDB entry 2XLL. 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, A, DB, C, DD, DE, DF, G, DH, DI,

There are 2 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	25	28	first strand
Strand 2	A	35	48	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	A	57	62	first strand
Strand 2	A	35	48	anti-parallel

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There are 5 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	497	498	first strand
Strand 2	A	116	122	anti-parallel
Strand 3	A	79	85	anti-parallel
Strand 4	A	35	48	parallel
Strand 5	A	57	62	anti-parallel

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There are 5 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	497	498	first strand
Strand 2	A	116	122	anti-parallel
Strand 3	A	79	85	anti-parallel
Strand 4	A	35	48	parallel
Strand 5	A	25	28	anti-parallel

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There are 4 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	68	74	first strand
Strand 2	A	150	156	parallel
Strand 3	A	129	135	anti-parallel
Strand 4	A	93	96	anti-parallel

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There are 7 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	209	210	first strand
Strand 2	A	203	206	anti-parallel
Strand 3	A	173	181	anti-parallel
Strand 4	A	220	227	parallel
Strand 5	A	276	282	anti-parallel
Strand 6	A	250	255	anti-parallel
Strand 7	A	258	266	anti-parallel

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There are 5 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	213	216	first strand
Strand 2	A	314	320	parallel
Strand 3	A	290	295	anti-parallel
Strand 4	A	234	240	anti-parallel
Strand 5	A	269	271	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	360	363	first strand
Strand 2	A	350	357	anti-parallel
Strand 3	A	383	390	parallel
Strand 4	A	438	446	anti-parallel
Strand 5	A	407	414	anti-parallel

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There are 5 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	375	380	first strand
Strand 2	A	468	474	parallel
Strand 3	A	451	457	anti-parallel
Strand 4	A	398	402	anti-parallel
Strand 5	A	431	434	anti-parallel

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There are 2 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	25	28	first strand
Strand 2	B	35	48	anti-parallel

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There are 2 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	62	first strand
Strand 2	B	35	48	anti-parallel

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There are 5 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	497	498	first strand
Strand 2	B	116	122	anti-parallel
Strand 3	B	79	85	anti-parallel
Strand 4	B	35	48	parallel
Strand 5	B	57	62	anti-parallel

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There are 5 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	497	498	first strand
Strand 2	B	116	122	anti-parallel
Strand 3	B	79	85	anti-parallel
Strand 4	B	35	48	parallel
Strand 5	B	25	28	anti-parallel

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There are 4 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	68	74	first strand
Strand 2	B	150	156	parallel
Strand 3	B	129	135	anti-parallel
Strand 4	B	93	96	anti-parallel

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There are 7 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	209	210	first strand
Strand 2	B	203	206	anti-parallel
Strand 3	B	173	181	anti-parallel
Strand 4	B	220	227	parallel
Strand 5	B	276	282	anti-parallel
Strand 6	B	250	255	anti-parallel
Strand 7	B	258	266	anti-parallel

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There are 5 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	213	216	first strand
Strand 2	B	314	320	parallel
Strand 3	B	290	295	anti-parallel
Strand 4	B	234	240	anti-parallel
Strand 5	B	269	271	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	360	363	first strand
Strand 2	B	350	357	anti-parallel
Strand 3	B	383	390	parallel
Strand 4	B	438	446	anti-parallel
Strand 5	B	407	414	anti-parallel

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There are 5 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	375	380	first strand
Strand 2	B	468	474	parallel
Strand 3	B	451	457	anti-parallel
Strand 4	B	398	402	anti-parallel
Strand 5	B	431	434	anti-parallel

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There are 2 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	25	28	first strand
Strand 2	C	35	48	anti-parallel

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There are 2 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	62	first strand
Strand 2	C	35	48	anti-parallel

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There are 5 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	497	498	first strand
Strand 2	C	116	122	anti-parallel
Strand 3	C	79	85	anti-parallel
Strand 4	C	35	48	parallel
Strand 5	C	57	62	anti-parallel

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There are 5 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	497	498	first strand
Strand 2	C	116	122	anti-parallel
Strand 3	C	79	85	anti-parallel
Strand 4	C	35	48	parallel
Strand 5	C	25	28	anti-parallel

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There are 4 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	68	74	first strand
Strand 2	C	150	156	parallel
Strand 3	C	129	135	anti-parallel
Strand 4	C	93	96	anti-parallel

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There are 7 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	209	210	first strand
Strand 2	C	203	206	anti-parallel
Strand 3	C	173	181	anti-parallel
Strand 4	C	220	227	parallel
Strand 5	C	276	282	anti-parallel
Strand 6	C	250	255	anti-parallel
Strand 7	C	258	266	anti-parallel

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There are 5 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	213	216	first strand
Strand 2	C	314	320	parallel
Strand 3	C	290	295	anti-parallel
Strand 4	C	234	240	anti-parallel
Strand 5	C	269	271	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	360	363	first strand
Strand 2	C	350	357	anti-parallel
Strand 3	C	383	390	parallel
Strand 4	C	438	446	anti-parallel
Strand 5	C	407	414	anti-parallel

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There are 5 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	375	380	first strand
Strand 2	C	468	474	parallel
Strand 3	C	451	457	anti-parallel
Strand 4	C	398	402	anti-parallel
Strand 5	C	431	434	anti-parallel

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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	D	25	28	first strand
Strand 2	D	35	48	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	57	62	first strand
Strand 2	D	35	48	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	497	498	first strand
Strand 2	D	116	122	anti-parallel
Strand 3	D	79	85	anti-parallel
Strand 4	D	35	48	parallel
Strand 5	D	57	62	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	497	498	first strand
Strand 2	D	116	122	anti-parallel
Strand 3	D	79	85	anti-parallel
Strand 4	D	35	48	parallel
Strand 5	D	25	28	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	68	74	first strand
Strand 2	D	150	156	parallel
Strand 3	D	129	135	anti-parallel
Strand 4	D	93	96	anti-parallel

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There are 7 strands in DF sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	209	210	first strand
Strand 2	D	203	206	anti-parallel
Strand 3	D	173	181	anti-parallel
Strand 4	D	220	227	parallel
Strand 5	D	276	282	anti-parallel
Strand 6	D	250	255	anti-parallel
Strand 7	D	258	266	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	D	213	216	first strand
Strand 2	D	314	320	parallel
Strand 3	D	290	295	anti-parallel
Strand 4	D	234	240	anti-parallel
Strand 5	D	269	271	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	360	363	first strand
Strand 2	D	350	357	anti-parallel
Strand 3	D	383	390	parallel
Strand 4	D	438	446	anti-parallel
Strand 5	D	407	414	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	375	380	first strand
Strand 2	D	468	474	parallel
Strand 3	D	451	457	anti-parallel
Strand 4	D	398	402	anti-parallel
Strand 5	D	431	434	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: 2XLL

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