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

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 1XEB entry

There are 8 chains in PDB entry 1XEB (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	SER 2	ALA 150
B	SER 2	ALA 150
C	SER 2	ALA 150
D	LEU 3	ALA 150
E	SER 2	ALA 150
F	LEU 3	ALA 150
G	LEU 3	ARG 149
H	LEU 3	ALA 150

There are 41 helices in PDB entry 1XEB. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	11	13	Right-handed 310
Helix 2	2	A	14	30	Right-handed alpha
Helix 3	3	A	85	88	Right-handed 310
Helix 4	4	A	91	109	Right-handed alpha
Helix 5	5	A	121	127	Right-handed alpha
Helix 6	6	B	11	13	Right-handed 310
Helix 7	7	B	14	30	Right-handed alpha
Helix 8	8	B	68	72	Right-handed 310
Helix 9	9	B	85	88	Right-handed 310
Helix 10	10	B	90	109	Right-handed alpha
Helix 11	11	B	121	127	Right-handed alpha
Helix 12	12	C	11	13	Right-handed 310
Helix 13	13	C	14	30	Right-handed alpha
Helix 14	14	C	68	72	Right-handed 310
Helix 15	15	C	85	88	Right-handed 310
Helix 16	16	C	91	109	Right-handed alpha
Helix 17	17	C	121	127	Right-handed alpha
Helix 18	18	D	11	13	Right-handed 310
Helix 19	19	D	14	30	Right-handed alpha
Helix 20	20	D	68	72	Right-handed 310
Helix 21	21	D	85	88	Right-handed 310
Helix 22	22	D	91	108	Right-handed alpha
Helix 23	23	D	121	127	Right-handed alpha
Helix 24	24	E	14	30	Right-handed alpha
Helix 25	25	E	68	73	Right-handed 310
Helix 26	26	E	89	108	Right-handed alpha
Helix 27	27	E	125	129	Right-handed 310
Helix 28	28	F	11	13	Right-handed 310
Helix 29	29	F	14	30	Right-handed alpha
Helix 30	30	F	68	72	Right-handed 310
Helix 31	31	F	92	108	Right-handed alpha
Helix 32	32	F	121	127	Right-handed alpha
Helix 33	33	G	14	30	Right-handed alpha
Helix 34	34	G	68	72	Right-handed 310
Helix 35	35	G	91	108	Right-handed alpha
Helix 36	36	G	121	127	Right-handed alpha
Helix 37	37	H	11	13	Right-handed 310
Helix 38	38	H	14	30	Right-handed alpha
Helix 39	39	H	85	88	Right-handed 310
Helix 40	40	H	91	108	Right-handed alpha
Helix 41	41	H	121	127	Right-handed alpha

There are 13 sheets in PDB entry 1XEB. 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,

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	4	9	first strand
Strand 2	A	50	56	anti-parallel
Strand 3	A	59	67	anti-parallel
Strand 4	A	76	83	anti-parallel
Strand 5	A	113	118	parallel
Strand 6	A	142	149	anti-parallel
Strand 7	A	130	132	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	A	4	9	first strand
Strand 2	A	50	56	anti-parallel
Strand 3	A	59	67	anti-parallel
Strand 4	A	76	83	anti-parallel
Strand 5	A	113	118	parallel
Strand 6	A	142	149	anti-parallel
Strand 7	A	137	139	anti-parallel

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There are 7 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	4	9	first strand
Strand 2	B	50	56	anti-parallel
Strand 3	B	59	67	anti-parallel
Strand 4	B	76	83	anti-parallel
Strand 5	B	113	118	parallel
Strand 6	B	143	149	anti-parallel
Strand 7	B	131	132	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	B	4	9	first strand
Strand 2	B	50	56	anti-parallel
Strand 3	B	59	67	anti-parallel
Strand 4	B	76	83	anti-parallel
Strand 5	B	113	118	parallel
Strand 6	B	143	149	anti-parallel
Strand 7	B	137	138	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	C	4	9	first strand
Strand 2	C	50	56	anti-parallel
Strand 3	C	59	67	anti-parallel
Strand 4	C	76	83	anti-parallel
Strand 5	C	113	118	parallel
Strand 6	C	142	149	anti-parallel
Strand 7	C	131	132	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	4	9	first strand
Strand 2	C	50	56	anti-parallel
Strand 3	C	59	67	anti-parallel
Strand 4	C	76	83	anti-parallel
Strand 5	C	113	118	parallel
Strand 6	C	142	149	anti-parallel
Strand 7	C	137	139	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	D	4	9	first strand
Strand 2	D	50	56	anti-parallel
Strand 3	D	59	67	anti-parallel
Strand 4	D	76	83	anti-parallel
Strand 5	D	113	118	parallel
Strand 6	D	142	149	anti-parallel
Strand 7	D	131	132	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	4	9	first strand
Strand 2	D	50	56	anti-parallel
Strand 3	D	59	67	anti-parallel
Strand 4	D	76	83	anti-parallel
Strand 5	D	113	118	parallel
Strand 6	D	142	149	anti-parallel
Strand 7	D	137	139	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	4	9	first strand
Strand 2	E	50	56	anti-parallel
Strand 3	E	59	67	anti-parallel
Strand 4	E	76	83	anti-parallel
Strand 5	E	113	118	parallel
Strand 6	E	144	149	anti-parallel
Strand 7	E	131	137	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	4	9	first strand
Strand 2	F	50	56	anti-parallel
Strand 3	F	59	67	anti-parallel
Strand 4	F	76	83	anti-parallel
Strand 5	F	113	118	parallel
Strand 6	F	142	149	anti-parallel
Strand 7	F	131	139	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	4	9	first strand
Strand 2	G	50	55	anti-parallel
Strand 3	G	60	67	anti-parallel
Strand 4	G	76	83	anti-parallel
Strand 5	G	113	118	parallel
Strand 6	G	143	149	anti-parallel
Strand 7	G	131	138	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	4	9	first strand
Strand 2	H	50	56	anti-parallel
Strand 3	H	59	67	anti-parallel
Strand 4	H	76	83	anti-parallel
Strand 5	H	113	118	parallel
Strand 6	H	142	149	anti-parallel
Strand 7	H	131	132	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	4	9	first strand
Strand 2	H	50	56	anti-parallel
Strand 3	H	59	67	anti-parallel
Strand 4	H	76	83	anti-parallel
Strand 5	H	113	118	parallel
Strand 6	H	142	149	anti-parallel
Strand 7	H	137	139	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: 1XEB

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