Analysis of interatomic Contacts of Structural Units in PDB entry:
2FK3

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 2FK3 entry

There are 8 chains in PDB entry 2FK3 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLU 131	LEU 189
B	GLU 131	LEU 189
C	GLU 131	LEU 189
D	GLU 131	LEU 189
E	ALA 132	LEU 189
F	GLU 131	LEU 189
G	GLU 131	LEU 189
H	ALA 132	LEU 189

There are 8 helices in PDB entry 2FK3. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	147	161	Right-handed alpha
Helix 2	2	B	147	161	Right-handed alpha
Helix 3	3	C	147	161	Right-handed alpha
Helix 4	4	D	147	161	Right-handed alpha
Helix 5	5	E	147	161	Right-handed alpha
Helix 6	6	F	147	161	Right-handed alpha
Helix 7	7	G	147	161	Right-handed alpha
Helix 8	8	H	147	161	Right-handed alpha

There are 9 sheets in PDB entry 2FK3. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I,

There are 3 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	145	146	first strand
Strand 2	A	178	188	anti-parallel
Strand 3	A	163	173	anti-parallel

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There are 5 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	145	146	first strand
Strand 2	A	178	188	anti-parallel
Strand 3	A	133	139	anti-parallel
Strand 4	C	143	146	anti-parallel
Strand 5	C	178	179	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	B	134	139	first strand
Strand 2	B	178	187	anti-parallel
Strand 3	B	143	146	anti-parallel
Strand 4	E	133	139	anti-parallel
Strand 5	E	178	187	anti-parallel
Strand 6	E	145	146	anti-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	B	164	175	first strand
Strand 2	B	178	187	anti-parallel
Strand 3	B	143	146	anti-parallel
Strand 4	E	133	139	anti-parallel
Strand 5	E	178	187	anti-parallel
Strand 6	E	164	175	anti-parallel

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There are 3 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	134	139	first strand
Strand 2	C	181	187	anti-parallel
Strand 3	C	164	171	anti-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	D	134	139	first strand
Strand 2	D	178	187	anti-parallel
Strand 3	D	143	146	anti-parallel
Strand 4	F	133	139	anti-parallel
Strand 5	F	178	187	anti-parallel
Strand 6	F	145	146	anti-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	D	164	175	first strand
Strand 2	D	178	187	anti-parallel
Strand 3	D	143	146	anti-parallel
Strand 4	F	133	139	anti-parallel
Strand 5	F	178	187	anti-parallel
Strand 6	F	164	175	anti-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	G	134	139	first strand
Strand 2	G	178	188	anti-parallel
Strand 3	G	143	146	anti-parallel
Strand 4	H	133	139	anti-parallel
Strand 5	H	178	187	anti-parallel
Strand 6	H	145	146	anti-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	G	163	175	first strand
Strand 2	G	178	188	anti-parallel
Strand 3	G	143	146	anti-parallel
Strand 4	H	133	139	anti-parallel
Strand 5	H	178	187	anti-parallel
Strand 6	H	164	175	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: 2FK3

Analysis of interatomic Contacts of Structural Units in PDB entry:
2FK3