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

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 2EWC entry

There are 12 chains in PDB entry 2EWC (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	THR 3	HIS 122
B	MSE 1	HIS 122
C	THR 3	HIS 122
D	THR 3	LYS 121
E	THR 3	HIS 122
F	MSE 1	HIS 122
G	THR 3	HIS 122
H	THR 3	HIS 122
I	THR 3	HIS 122
J	THR 3	HIS 122
K	LYS 2	HIS 122
L	THR 3	HIS 122

There are 48 helices in PDB entry 2EWC. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	37	55	Right-handed alpha
Helix 2	2	A	59	61	Right-handed 310
Helix 3	3	A	72	74	Right-handed 310
Helix 4	4	A	75	87	Right-handed alpha
Helix 5	5	B	37	55	Right-handed alpha
Helix 6	6	B	59	61	Right-handed 310
Helix 7	7	B	72	74	Right-handed 310
Helix 8	8	B	75	88	Right-handed alpha
Helix 9	9	C	37	55	Right-handed alpha
Helix 10	10	C	59	61	Right-handed 310
Helix 11	11	C	72	74	Right-handed 310
Helix 12	12	C	75	87	Right-handed alpha
Helix 13	13	D	37	55	Right-handed alpha
Helix 14	14	D	59	61	Right-handed 310
Helix 15	15	D	72	74	Right-handed 310
Helix 16	16	D	75	87	Right-handed alpha
Helix 17	17	E	37	55	Right-handed alpha
Helix 18	18	E	59	61	Right-handed 310
Helix 19	19	E	72	74	Right-handed 310
Helix 20	20	E	75	88	Right-handed alpha
Helix 21	21	F	37	55	Right-handed alpha
Helix 22	22	F	59	61	Right-handed 310
Helix 23	23	F	72	74	Right-handed 310
Helix 24	24	F	75	87	Right-handed alpha
Helix 25	25	G	37	55	Right-handed alpha
Helix 26	26	G	59	61	Right-handed 310
Helix 27	27	G	72	74	Right-handed 310
Helix 28	28	G	75	87	Right-handed alpha
Helix 29	29	H	37	55	Right-handed alpha
Helix 30	30	H	59	61	Right-handed 310
Helix 31	31	H	72	74	Right-handed 310
Helix 32	32	H	75	87	Right-handed alpha
Helix 33	33	I	37	55	Right-handed alpha
Helix 34	34	I	59	61	Right-handed 310
Helix 35	35	I	72	74	Right-handed 310
Helix 36	36	I	75	87	Right-handed alpha
Helix 37	37	J	37	56	Right-handed alpha
Helix 38	38	J	59	61	Right-handed 310
Helix 39	39	J	72	74	Right-handed 310
Helix 40	40	J	75	87	Right-handed alpha
Helix 41	41	K	37	55	Right-handed alpha
Helix 42	42	K	59	61	Right-handed 310
Helix 43	43	K	72	74	Right-handed 310
Helix 44	44	K	75	87	Right-handed alpha
Helix 45	45	L	37	55	Right-handed alpha
Helix 46	46	L	59	61	Right-handed 310
Helix 47	47	L	72	74	Right-handed 310
Helix 48	48	L	75	87	Right-handed alpha

There are 12 sheets in PDB entry 2EWC. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 6 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	5	10	first strand
Strand 2	A	15	21	anti-parallel
Strand 3	A	24	30	anti-parallel
Strand 4	A	112	119	anti-parallel
Strand 5	A	63	70	anti-parallel
Strand 6	A	93	98	parallel

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There are 6 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	5	10	first strand
Strand 2	B	15	21	anti-parallel
Strand 3	B	24	30	anti-parallel
Strand 4	B	112	119	anti-parallel
Strand 5	B	63	70	anti-parallel
Strand 6	B	93	98	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	C	5	10	first strand
Strand 2	C	15	21	anti-parallel
Strand 3	C	24	30	anti-parallel
Strand 4	C	112	119	anti-parallel
Strand 5	C	63	70	anti-parallel
Strand 6	C	93	98	parallel

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There are 6 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	5	10	first strand
Strand 2	D	15	21	anti-parallel
Strand 3	D	24	30	anti-parallel
Strand 4	D	112	119	anti-parallel
Strand 5	D	63	70	anti-parallel
Strand 6	D	93	98	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	5	10	first strand
Strand 2	E	15	21	anti-parallel
Strand 3	E	24	30	anti-parallel
Strand 4	E	112	119	anti-parallel
Strand 5	E	63	70	anti-parallel
Strand 6	E	93	98	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	5	10	first strand
Strand 2	F	15	21	anti-parallel
Strand 3	F	24	30	anti-parallel
Strand 4	F	112	119	anti-parallel
Strand 5	F	63	70	anti-parallel
Strand 6	F	93	98	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	5	10	first strand
Strand 2	G	15	21	anti-parallel
Strand 3	G	24	30	anti-parallel
Strand 4	G	112	119	anti-parallel
Strand 5	G	63	70	anti-parallel
Strand 6	G	93	98	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	5	10	first strand
Strand 2	H	15	21	anti-parallel
Strand 3	H	24	30	anti-parallel
Strand 4	H	112	119	anti-parallel
Strand 5	H	63	70	anti-parallel
Strand 6	H	93	98	parallel

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There are 6 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	5	10	first strand
Strand 2	I	15	21	anti-parallel
Strand 3	I	24	30	anti-parallel
Strand 4	I	112	119	anti-parallel
Strand 5	I	63	70	anti-parallel
Strand 6	I	93	98	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	5	10	first strand
Strand 2	J	15	21	anti-parallel
Strand 3	J	24	30	anti-parallel
Strand 4	J	112	119	anti-parallel
Strand 5	J	63	70	anti-parallel
Strand 6	J	93	98	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	5	10	first strand
Strand 2	K	15	21	anti-parallel
Strand 3	K	24	30	anti-parallel
Strand 4	K	112	119	anti-parallel
Strand 5	K	63	70	anti-parallel
Strand 6	K	93	98	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	5	10	first strand
Strand 2	L	15	21	anti-parallel
Strand 3	L	24	30	anti-parallel
Strand 4	L	112	119	anti-parallel
Strand 5	L	63	70	anti-parallel
Strand 6	L	93	98	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: 2EWC

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