Analysis of interatomic Contacts of Structural Units in PDB entry:
2B5T

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 2B5T entry

There are 5 chains in PDB entry 2B5T (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	THR 1	ARG 15
B	ILE 16	GLU 247
C	SER 1	ARG 15
D	ILE 16	GLU 247
I	ASP 6	VAL 431

There are 33 helices in PDB entry 2B5T. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	1	1	Right-handed alpha
Helix 2	2	A	7	11	Right-handed 310
Helix 3	3	A	14	14	Right-handed alpha
Helix 4	4	B	55	58	Right-handed 310
Helix 5	5	B	60	60	Right-handed 310
Helix 6	6	B	60	62	Right-handed 310
Helix 7	7	B	125	130	Right-handed alpha
Helix 8	8	B	164	171	Right-handed alpha
Helix 9	9	B	185	186	Right-handed 310
Helix 10	10	B	234	246	Right-handed alpha
Helix 11	11	C	1	1	Right-handed alpha
Helix 12	12	C	7	11	Right-handed 310
Helix 13	13	C	14	14	Right-handed alpha
Helix 14	14	D	55	59	Right-handed alpha
Helix 15	15	D	60	60	Right-handed 310
Helix 16	16	D	60	62	Right-handed 310
Helix 17	17	D	125	130	Right-handed alpha
Helix 18	18	D	164	171	Right-handed alpha
Helix 19	19	D	234	246	Right-handed alpha
Helix 20	20	I	45	69	Right-handed alpha
Helix 21	21	I	79	92	Right-handed alpha
Helix 22	22	I	95	106	Right-handed alpha
Helix 23	23	I	107	111	Right-handed 310
Helix 24	24	I	112	118	Right-handed alpha
Helix 25	25	I	118	131	Right-handed alpha
Helix 26	26	I	155	167	Right-handed alpha
Helix 27	27	I	178	194	Right-handed alpha
Helix 28	28	I	230	234	Right-handed 310
Helix 29	29	I	264	266	Right-handed 310
Helix 30	30	I	291	299	Right-handed alpha
Helix 31	31	I	300	311	Right-handed alpha
Helix 32	32	I	330	337	Right-handed alpha
Helix 33	33	I	341	345	Right-handed 310

There are 10 sheets in PDB entry 2B5T. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

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	B	20	21	first strand
Strand 2	B	156	161	anti-parallel
Strand 3	B	135	140	anti-parallel
Strand 4	B	198	202	anti-parallel
Strand 5	B	207	215	anti-parallel
Strand 6	B	226	230	anti-parallel
Strand 7	B	180	183	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	30	35	first strand
Strand 2	B	39	46	anti-parallel
Strand 3	B	51	54	anti-parallel
Strand 4	B	104	108	anti-parallel
Strand 5	B	81	90	anti-parallel
Strand 6	B	64	68	anti-parallel
Strand 7	B	30	35	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	60	60	first strand
Strand 2	B	60	60	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	20	21	first strand
Strand 2	D	156	161	anti-parallel
Strand 3	D	135	140	anti-parallel
Strand 4	D	198	202	anti-parallel
Strand 5	D	207	215	anti-parallel
Strand 6	D	226	230	anti-parallel
Strand 7	D	180	183	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	81	83	first strand
Strand 2	D	64	68	anti-parallel
Strand 3	D	30	35	anti-parallel
Strand 4	D	39	46	anti-parallel
Strand 5	D	51	54	anti-parallel
Strand 6	D	104	108	anti-parallel
Strand 7	D	85	90	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	60	60	first strand
Strand 2	D	60	60	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	76	78	first strand
Strand 2	I	420	426	anti-parallel
Strand 3	I	408	414	anti-parallel
Strand 4	I	279	285	anti-parallel
Strand 5	I	268	273	anti-parallel
Strand 6	I	247	262	anti-parallel
Strand 7	I	235	239	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	76	78	first strand
Strand 2	I	420	426	anti-parallel
Strand 3	I	408	414	anti-parallel
Strand 4	I	279	285	anti-parallel
Strand 5	I	268	273	anti-parallel
Strand 6	I	247	262	anti-parallel
Strand 7	I	312	321	anti-parallel
Strand 8	I	402	403	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	171	173	first strand
Strand 2	I	138	149	parallel
Strand 3	I	213	224	anti-parallel
Strand 4	I	366	375	parallel
Strand 5	I	323	326	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	I	171	173	first strand
Strand 2	I	138	149	parallel
Strand 3	I	213	224	anti-parallel
Strand 4	I	379	380	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: 2B5T

Analysis of interatomic Contacts of Structural Units in PDB entry:
2B5T