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Calcium in PDB 2q1n: Actin Dimer Cross-Linked Between Residues 41 and 374

Protein crystallography data

The structure of Actin Dimer Cross-Linked Between Residues 41 and 374, PDB code: 2q1n was solved by M.R.Sawaya, I.Pashkov, D.S.Kudryashov, H.Adisetiyo, E.Reisler, T.O.Yeates, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 52.26 / 2.70
Space group P 1 21 1
Cell size a, b, c (Å), α, β, γ (°) 108.057, 71.813, 54.787, 90.00, 104.70, 90.00
R / Rfree (%) 22.8 / 27.7

Calcium Binding Sites:

The binding sites of Calcium atom in the Actin Dimer Cross-Linked Between Residues 41 and 374 (pdb code 2q1n). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 4 binding sites of Calcium where determined in the Actin Dimer Cross-Linked Between Residues 41 and 374, PDB code: 2q1n:
Jump to Calcium binding site number: 1; 2; 3; 4;

Calcium binding site 1 out of 4 in 2q1n

Go back to Calcium Binding Sites List in 2q1n
Calcium binding site 1 out of 4 in the Actin Dimer Cross-Linked Between Residues 41 and 374


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Actin Dimer Cross-Linked Between Residues 41 and 374 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca401

b:53.0
occ:1.00
O2G A:ANP400 2.2 43.9 1.0
O1B A:ANP400 2.3 38.1 1.0
O A:HOH408 2.7 17.0 1.0
O1G A:ANP400 3.1 42.7 1.0
PG A:ANP400 3.1 40.2 1.0
PB A:ANP400 3.6 32.0 1.0
N3B A:ANP400 3.9 34.8 1.0
OE1 A:GLN137 4.0 44.8 1.0
CA A:GLY13 4.1 50.5 1.0
O1A A:ANP400 4.3 32.7 1.0
O3A A:ANP400 4.3 33.1 1.0
CD A:GLN137 4.4 48.5 1.0
NZ A:LYS18 4.5 59.0 1.0
O3G A:ANP400 4.5 33.8 1.0
OD1 A:ASP11 4.7 59.3 1.0
OD2 A:ASP154 4.7 58.6 1.0
PA A:ANP400 4.7 32.7 1.0
OD2 A:ASP11 4.7 51.7 1.0
CG A:GLN137 4.8 55.0 1.0
O2B A:ANP400 4.8 36.2 1.0
N A:GLY13 4.9 51.3 1.0
OD1 A:ASP154 4.9 61.8 1.0
O2A A:ANP400 5.0 21.8 1.0

Calcium binding site 2 out of 4 in 2q1n

Go back to Calcium Binding Sites List in 2q1n
Calcium binding site 2 out of 4 in the Actin Dimer Cross-Linked Between Residues 41 and 374


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Actin Dimer Cross-Linked Between Residues 41 and 374 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca402

b:70.5
occ:1.00
O A:HOH410 2.7 35.7 1.0
OE1 A:GLN263 2.8 58.2 1.0
OG A:SER265 2.8 57.5 1.0
CB A:SER265 3.5 52.7 1.0
CD A:GLN263 3.5 54.5 1.0
NE2 A:GLN263 3.5 54.1 1.0
N A:SER265 4.3 53.8 1.0
CA A:SER265 4.5 53.6 1.0
O A:GLU270 4.6 55.7 1.0
O A:SER271 4.7 60.5 1.0
O A:MET269 4.7 56.7 1.0
CG A:GLN263 4.9 56.2 1.0
C A:GLU270 5.0 54.4 1.0

Calcium binding site 3 out of 4 in 2q1n

Go back to Calcium Binding Sites List in 2q1n
Calcium binding site 3 out of 4 in the Actin Dimer Cross-Linked Between Residues 41 and 374


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Actin Dimer Cross-Linked Between Residues 41 and 374 within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ca401

b:52.8
occ:1.00
O2G B:ANP400 2.2 42.5 1.0
O1B B:ANP400 2.5 37.6 1.0
PG B:ANP400 3.4 37.5 1.0
OE1 B:GLN137 3.6 49.8 1.0
O1G B:ANP400 3.7 44.0 1.0
PB B:ANP400 3.8 31.0 1.0
CA B:GLY13 4.0 50.8 1.0
N3B B:ANP400 4.1 34.1 1.0
CD B:GLN137 4.2 50.3 1.0
O3A B:ANP400 4.3 31.0 1.0
NZ B:LYS18 4.4 59.4 1.0
OD2 B:ASP11 4.6 54.3 1.0
O1A B:ANP400 4.6 36.5 1.0
O3G B:ANP400 4.7 29.2 1.0
OD1 B:ASP11 4.7 64.2 1.0
NE2 B:GLN137 4.8 33.3 1.0
OD2 B:ASP154 4.8 58.6 1.0
N B:GLY13 4.9 51.6 1.0
CG B:GLN137 4.9 54.9 1.0
PA B:ANP400 4.9 31.9 1.0
OD1 B:ASP154 5.0 63.9 1.0

Calcium binding site 4 out of 4 in 2q1n

Go back to Calcium Binding Sites List in 2q1n
Calcium binding site 4 out of 4 in the Actin Dimer Cross-Linked Between Residues 41 and 374


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 4 of Actin Dimer Cross-Linked Between Residues 41 and 374 within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ca402

b:70.6
occ:1.00
OE1 B:GLN263 2.6 55.2 1.0
OG B:SER265 2.7 58.3 1.0
CB B:SER265 3.4 51.4 1.0
CD B:GLN263 3.5 54.0 1.0
NE2 B:GLN263 3.8 54.8 1.0
N B:SER265 4.2 53.8 1.0
CA B:SER265 4.4 53.6 1.0
O B:MET269 4.6 57.0 1.0
O B:SER271 4.6 60.3 1.0
O B:GLU270 4.7 55.2 1.0
CD B:PRO264 4.7 52.5 1.0
CG B:GLN263 4.8 55.8 1.0

Reference:

M.R.Sawaya, D.S.Kudryashov, I.Pashkov, H.Adisetiyo, E.Reisler, T.O.Yeates. Multiple Crystal Structures of Actin Dimers and Their Implications For Interactions in the Actin Filament. Acta Crystallogr.,Sect.D V. 64 454 2008.
ISSN: ISSN 0907-4449
PubMed: 18391412
DOI: 10.1107/S0907444908003351
Page generated: Sat Dec 12 03:50:47 2020

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