Analysis of interatomic Contacts of Structural Units in PDB entry:
2Y1X

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 2Y1X entry

There are 4 chains in PDB entry 2Y1X (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	SER 136	THR 478
B	SER 136	THR 478
C	SER 136	THR 478
D	SER 136	THR 478

There are 55 helices in PDB entry 2Y1X. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	136	142	Right-handed alpha
Helix 2	2	A	143	155	Right-handed alpha
Helix 3	3	A	156	165	Right-handed alpha
Helix 4	4	A	166	180	Right-handed alpha
Helix 5	5	A	181	184	Right-handed 310
Helix 6	6	A	197	206	Right-handed alpha
Helix 7	7	A	218	230	Right-handed alpha
Helix 8	8	A	268	276	Right-handed alpha
Helix 9	9	A	300	312	Right-handed alpha
Helix 10	10	A	313	315	Right-handed 310
Helix 11	11	A	324	326	Right-handed 310
Helix 12	12	A	327	337	Right-handed alpha
Helix 13	13	A	345	348	Right-handed 310
Helix 14	14	A	364	368	Right-handed 310
Helix 15	15	B	136	142	Right-handed alpha
Helix 16	16	B	143	154	Right-handed alpha
Helix 17	17	B	156	165	Right-handed alpha
Helix 18	18	B	166	180	Right-handed alpha
Helix 19	19	B	181	184	Right-handed 310
Helix 20	20	B	197	206	Right-handed alpha
Helix 21	21	B	218	230	Right-handed alpha
Helix 22	22	B	268	276	Right-handed alpha
Helix 23	23	B	300	312	Right-handed alpha
Helix 24	24	B	313	316	Right-handed 310
Helix 25	25	B	324	326	Right-handed 310
Helix 26	26	B	327	337	Right-handed alpha
Helix 27	27	B	345	348	Right-handed 310
Helix 28	28	B	364	368	Right-handed 310
Helix 29	29	C	136	142	Right-handed alpha
Helix 30	30	C	143	154	Right-handed alpha
Helix 31	31	C	156	165	Right-handed alpha
Helix 32	32	C	166	180	Right-handed alpha
Helix 33	33	C	181	184	Right-handed 310
Helix 34	34	C	197	206	Right-handed alpha
Helix 35	35	C	218	230	Right-handed alpha
Helix 36	36	C	268	276	Right-handed alpha
Helix 37	37	C	300	313	Right-handed alpha
Helix 38	38	C	314	316	Right-handed 310
Helix 39	39	C	324	326	Right-handed 310
Helix 40	40	C	327	337	Right-handed alpha
Helix 41	41	C	345	348	Right-handed 310
Helix 42	42	C	364	368	Right-handed 310
Helix 43	43	D	136	141	Right-handed alpha
Helix 44	44	D	143	155	Right-handed alpha
Helix 45	45	D	156	165	Right-handed alpha
Helix 46	46	D	166	180	Right-handed alpha
Helix 47	47	D	181	184	Right-handed 310
Helix 48	48	D	197	206	Right-handed alpha
Helix 49	49	D	218	230	Right-handed alpha
Helix 50	50	D	268	276	Right-handed alpha
Helix 51	51	D	300	312	Right-handed alpha
Helix 52	52	D	313	315	Right-handed 310
Helix 53	53	D	324	326	Right-handed 310
Helix 54	54	D	327	337	Right-handed alpha
Helix 55	55	D	364	368	Right-handed 310

There are 20 sheets in PDB entry 2Y1X. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, BA, BB, BC, BD, BE, CA, CB, CC, CD, CE, A, DB, C, DD, DE,

There are 5 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	236	240	first strand
Strand 2	A	210	215	parallel
Strand 3	A	188	192	parallel
Strand 4	A	252	257	parallel
Strand 5	A	280	287	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	354	359	first strand
Strand 2	A	290	298	anti-parallel
Strand 3	A	383	397	anti-parallel
Strand 4	A	402	406	anti-parallel

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There are 6 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	354	359	first strand
Strand 2	A	290	298	anti-parallel
Strand 3	A	383	397	anti-parallel
Strand 4	A	418	429	anti-parallel
Strand 5	A	340	342	anti-parallel
Strand 6	A	474	475	parallel

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There are 2 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	402	406	first strand
Strand 2	A	383	397	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	370	378	first strand
Strand 2	A	434	444	anti-parallel
Strand 3	A	448	457	anti-parallel
Strand 4	A	463	469	anti-parallel

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There are 5 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	236	240	first strand
Strand 2	B	210	215	parallel
Strand 3	B	188	192	parallel
Strand 4	B	252	257	parallel
Strand 5	B	280	287	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	354	359	first strand
Strand 2	B	290	298	anti-parallel
Strand 3	B	383	397	anti-parallel
Strand 4	B	402	406	anti-parallel

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There are 6 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	354	359	first strand
Strand 2	B	290	298	anti-parallel
Strand 3	B	383	397	anti-parallel
Strand 4	B	418	429	anti-parallel
Strand 5	B	340	342	anti-parallel
Strand 6	B	474	475	parallel

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There are 2 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	402	406	first strand
Strand 2	B	383	397	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	370	378	first strand
Strand 2	B	434	444	anti-parallel
Strand 3	B	448	457	anti-parallel
Strand 4	B	463	469	anti-parallel

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There are 5 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	236	240	first strand
Strand 2	C	210	215	parallel
Strand 3	C	188	192	parallel
Strand 4	C	252	257	parallel
Strand 5	C	280	287	parallel

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There are 4 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	354	359	first strand
Strand 2	C	290	298	anti-parallel
Strand 3	C	383	397	anti-parallel
Strand 4	C	402	406	anti-parallel

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There are 6 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	354	359	first strand
Strand 2	C	290	298	anti-parallel
Strand 3	C	383	397	anti-parallel
Strand 4	C	418	429	anti-parallel
Strand 5	C	340	342	anti-parallel
Strand 6	C	474	475	parallel

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There are 2 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	402	406	first strand
Strand 2	C	383	397	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	370	378	first strand
Strand 2	C	434	443	anti-parallel
Strand 3	C	449	457	anti-parallel
Strand 4	C	463	469	anti-parallel

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There are 5 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	236	240	first strand
Strand 2	D	210	215	parallel
Strand 3	D	188	192	parallel
Strand 4	D	252	257	parallel
Strand 5	D	280	287	parallel

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There are 4 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	354	359	first strand
Strand 2	D	290	298	anti-parallel
Strand 3	D	383	397	anti-parallel
Strand 4	D	402	406	anti-parallel

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There are 6 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	354	359	first strand
Strand 2	D	290	298	anti-parallel
Strand 3	D	383	397	anti-parallel
Strand 4	D	418	429	anti-parallel
Strand 5	D	340	342	anti-parallel
Strand 6	D	474	475	parallel

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There are 2 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	402	406	first strand
Strand 2	D	383	397	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	370	378	first strand
Strand 2	D	434	444	anti-parallel
Strand 3	D	448	457	anti-parallel
Strand 4	D	463	469	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: 2Y1X

Analysis of interatomic Contacts of Structural Units in PDB entry:
2Y1X