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

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 2XNT entry

There are 7 chains in PDB entry 2XNT (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLN 1	ARG 205
B	GLN 1	ARG 205
C	GLN 1	ARG 205
D	GLN 1	ARG 205
E	GLN 1	ARG 205
F	GLN 1	ARG 205
G	GLN 1	LYS 23

There are 10 helices in PDB entry 2XNT. 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	12	Right-handed alpha
Helix 2	2	B	1	12	Right-handed alpha
Helix 3	3	C	1	12	Right-handed alpha
Helix 4	4	D	1	12	Right-handed alpha
Helix 5	5	E	1	12	Right-handed alpha
Helix 6	6	F	1	12	Right-handed alpha
Helix 7	7	G	1	13	Right-handed alpha
Helix 8	8	H	1	12	Right-handed alpha
Helix 9	9	I	1	12	Right-handed alpha
Helix 10	10	J	1	12	Right-handed alpha

There are 35 sheets in PDB entry 2XNT. Click on sheet of interest to get list of strands forming it: AA, AB, AC, BA, BB, BC, CA, CB, CC, A, DB, C, EA, EB, EC, FA, FB, FC, FD, FE, FF, FG, FH, GA, GB, GC, HA, HB, HC, IA, IB, IC, JA, JB, JC,

There are 6 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	75	79	first strand
Strand 2	A	104	108	anti-parallel
Strand 3	A	112	115	anti-parallel
Strand 4	A	47	59	anti-parallel
Strand 5	A	118	124	parallel
Strand 6	A	98	99	anti-parallel

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There are 6 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	75	79	first strand
Strand 2	A	104	108	anti-parallel
Strand 3	A	112	115	anti-parallel
Strand 4	A	47	59	anti-parallel
Strand 5	A	27	42	anti-parallel
Strand 6	A	152	155	parallel

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There are 4 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	88	90	first strand
Strand 2	A	136	144	anti-parallel
Strand 3	A	193	204	anti-parallel
Strand 4	A	172	184	anti-parallel

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There are 6 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	75	79	first strand
Strand 2	B	104	108	anti-parallel
Strand 3	B	112	115	anti-parallel
Strand 4	B	47	59	anti-parallel
Strand 5	B	118	124	parallel
Strand 6	B	98	99	anti-parallel

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There are 6 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	75	79	first strand
Strand 2	B	104	108	anti-parallel
Strand 3	B	112	115	anti-parallel
Strand 4	B	47	59	anti-parallel
Strand 5	B	27	42	anti-parallel
Strand 6	B	152	155	parallel

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There are 4 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	88	90	first strand
Strand 2	B	136	144	anti-parallel
Strand 3	B	193	204	anti-parallel
Strand 4	B	172	184	anti-parallel

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There are 6 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	75	79	first strand
Strand 2	C	104	108	anti-parallel
Strand 3	C	112	115	anti-parallel
Strand 4	C	47	59	anti-parallel
Strand 5	C	118	124	parallel
Strand 6	C	98	99	anti-parallel

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There are 6 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	75	79	first strand
Strand 2	C	104	108	anti-parallel
Strand 3	C	112	115	anti-parallel
Strand 4	C	47	59	anti-parallel
Strand 5	C	27	42	anti-parallel
Strand 6	C	152	155	parallel

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There are 4 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	88	90	first strand
Strand 2	C	136	144	anti-parallel
Strand 3	C	193	204	anti-parallel
Strand 4	C	172	184	anti-parallel

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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	D	75	79	first strand
Strand 2	D	104	108	anti-parallel
Strand 3	D	110	115	anti-parallel
Strand 4	D	47	64	anti-parallel
Strand 5	D	118	124	parallel
Strand 6	D	98	99	anti-parallel

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There are 6 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	75	79	first strand
Strand 2	D	104	108	anti-parallel
Strand 3	D	110	115	anti-parallel
Strand 4	D	47	64	anti-parallel
Strand 5	D	27	42	anti-parallel
Strand 6	D	152	155	parallel

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There are 4 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	88	90	first strand
Strand 2	D	136	144	anti-parallel
Strand 3	D	193	204	anti-parallel
Strand 4	D	172	184	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	75	79	first strand
Strand 2	E	104	108	anti-parallel
Strand 3	E	112	115	anti-parallel
Strand 4	E	47	59	anti-parallel
Strand 5	E	118	124	parallel
Strand 6	E	98	99	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	75	79	first strand
Strand 2	E	104	108	anti-parallel
Strand 3	E	112	115	anti-parallel
Strand 4	E	47	59	anti-parallel
Strand 5	E	27	42	anti-parallel
Strand 6	E	152	155	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	88	90	first strand
Strand 2	E	136	144	anti-parallel
Strand 3	E	193	204	anti-parallel
Strand 4	E	172	184	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	41	42	first strand
Strand 2	F	47	59	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	75	79	first strand
Strand 2	F	104	108	anti-parallel
Strand 3	F	112	115	anti-parallel
Strand 4	F	47	59	anti-parallel
Strand 5	F	118	124	anti-parallel
Strand 6	F	98	99	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	75	79	first strand
Strand 2	F	104	108	anti-parallel
Strand 3	F	112	115	anti-parallel
Strand 4	F	47	59	anti-parallel
Strand 5	F	41	42	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	152	155	first strand
Strand 2	F	27	37	parallel
Strand 3	F	47	59	anti-parallel
Strand 4	F	112	115	anti-parallel
Strand 5	F	104	108	anti-parallel
Strand 6	F	75	79	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	75	79	first strand
Strand 2	F	104	108	anti-parallel
Strand 3	F	112	115	anti-parallel
Strand 4	F	47	59	anti-parallel
Strand 5	F	27	37	anti-parallel
Strand 6	F	152	155	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	152	155	first strand
Strand 2	F	27	37	parallel
Strand 3	F	47	59	anti-parallel
Strand 4	F	118	124	anti-parallel
Strand 5	F	98	99	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	152	155	first strand
Strand 2	F	27	37	parallel
Strand 3	F	47	59	anti-parallel
Strand 4	F	41	42	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	88	90	first strand
Strand 2	F	136	144	anti-parallel
Strand 3	F	193	204	anti-parallel
Strand 4	F	172	184	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	75	79	first strand
Strand 2	G	104	108	anti-parallel
Strand 3	G	112	115	anti-parallel
Strand 4	G	47	59	anti-parallel
Strand 5	G	118	124	parallel
Strand 6	G	98	99	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	75	79	first strand
Strand 2	G	104	108	anti-parallel
Strand 3	G	112	115	anti-parallel
Strand 4	G	47	59	anti-parallel
Strand 5	G	27	42	anti-parallel
Strand 6	G	152	155	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	88	90	first strand
Strand 2	G	136	144	anti-parallel
Strand 3	G	193	204	anti-parallel
Strand 4	G	172	184	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	75	79	first strand
Strand 2	H	104	108	anti-parallel
Strand 3	H	112	115	anti-parallel
Strand 4	H	47	59	anti-parallel
Strand 5	H	118	124	parallel
Strand 6	H	98	99	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	75	79	first strand
Strand 2	H	104	108	anti-parallel
Strand 3	H	112	115	anti-parallel
Strand 4	H	47	59	anti-parallel
Strand 5	H	27	42	anti-parallel
Strand 6	H	152	155	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	88	90	first strand
Strand 2	H	136	144	anti-parallel
Strand 3	H	193	204	anti-parallel
Strand 4	H	172	184	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	75	79	first strand
Strand 2	I	104	108	anti-parallel
Strand 3	I	112	115	anti-parallel
Strand 4	I	47	59	anti-parallel
Strand 5	I	118	124	parallel
Strand 6	I	98	99	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	75	79	first strand
Strand 2	I	104	108	anti-parallel
Strand 3	I	112	115	anti-parallel
Strand 4	I	47	59	anti-parallel
Strand 5	I	27	42	anti-parallel
Strand 6	I	152	155	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	88	90	first strand
Strand 2	I	136	144	anti-parallel
Strand 3	I	193	204	anti-parallel
Strand 4	I	172	184	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	75	79	first strand
Strand 2	J	104	108	anti-parallel
Strand 3	J	112	115	anti-parallel
Strand 4	J	47	59	anti-parallel
Strand 5	J	118	124	parallel
Strand 6	J	98	99	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	75	79	first strand
Strand 2	J	104	108	anti-parallel
Strand 3	J	112	115	anti-parallel
Strand 4	J	47	59	anti-parallel
Strand 5	J	27	42	anti-parallel
Strand 6	J	152	155	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	88	90	first strand
Strand 2	J	136	144	anti-parallel
Strand 3	J	193	204	anti-parallel
Strand 4	J	172	184	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: 2XNT

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