Calcium in PDB 1dej: Crystal Structure of A Dictyostelium/Tetrahymena Chimera Actin (Mutant 646: Q228K/T229A/A230Y/A231K/S232E/E360H) in Complex with Human Gelsolin Segment 1

The structure of Crystal Structure of A Dictyostelium/Tetrahymena Chimera Actin (Mutant 646: Q228K/T229A/A230Y/A231K/S232E/E360H) in Complex with Human Gelsolin Segment 1, PDB code: 1dej was solved by Y.Matsuura, M.Stewart, M.Kawamoto, N.Kamiya, K.Saeki, T.Yasunaga, T.Wakabayashi, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	10.00 / 2.40
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	56.893, 69.385, 183.241, 90.00, 90.00, 90.00
R / Rfree (%)	17.1 / 21.4

The binding sites of Calcium atom in the Crystal Structure of A Dictyostelium/Tetrahymena Chimera Actin (Mutant 646: Q228K/T229A/A230Y/A231K/S232E/E360H) in Complex with Human Gelsolin Segment 1 (pdb code 1dej). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 3 binding sites of Calcium where determined in the Crystal Structure of A Dictyostelium/Tetrahymena Chimera Actin (Mutant 646: Q228K/T229A/A230Y/A231K/S232E/E360H) in Complex with Human Gelsolin Segment 1, PDB code: 1dej:
Jump to Calcium binding site number: 1; 2; 3;

Calcium binding site 1 out of 3 in the Crystal Structure of A Dictyostelium/Tetrahymena Chimera Actin (Mutant 646: Q228K/T229A/A230Y/A231K/S232E/E360H) in Complex with Human Gelsolin Segment 1


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of A Dictyostelium/Tetrahymena Chimera Actin (Mutant 646: Q228K/T229A/A230Y/A231K/S232E/E360H) in Complex with Human Gelsolin Segment 1 within 5.0Å range: probe atom residue distance (Å) B Occ S:Ca128 b:20.9 occ:1.00 OD2 S:ASP44 2.3 19.3 1.0 O S:GLY43 2.3 23.4 1.0 O S:HOH177 2.4 27.2 1.0 O S:HOH139 2.4 19.8 1.0 O S:VAL123 2.4 18.9 1.0 OE2 S:GLU75 2.4 14.9 1.0 OE1 S:GLU75 2.6 15.1 1.0 CD S:GLU75 2.8 18.0 1.0 C S:GLY43 3.4 19.4 1.0 CG S:ASP44 3.5 20.8 1.0 C S:VAL123 3.6 22.9 1.0 CA S:ASP44 4.0 17.5 1.0 N S:VAL123 4.0 24.9 1.0 O S:HOH169 4.1 16.0 1.0 N S:ASP44 4.2 19.4 1.0 CG1 S:VAL123 4.2 21.6 1.0 CG S:GLU75 4.3 11.3 1.0 CA S:VAL123 4.3 22.6 1.0 CB S:ASP44 4.3 13.6 1.0 OD1 S:ASP44 4.4 21.7 1.0 CA S:GLY43 4.5 19.0 1.0 O S:HOH157 4.5 20.2 1.0 C S:GLY122 4.5 24.2 1.0 OG S:SER72 4.6 19.6 1.0 N S:ALA124 4.6 19.0 1.0 N S:SER72 4.6 16.3 1.0 CA S:CYS71 4.7 17.2 1.0 C S:ALA124 4.7 17.4 1.0 CA S:ALA124 4.8 19.6 1.0 CA S:GLY122 4.8 24.0 1.0 O S:HOH143 4.9 42.6 1.0 N S:SER125 4.9 13.9 1.0 O S:HOH159 4.9 39.5 1.0 O S:HOH170 4.9 21.8 1.0 O S:ALA124 4.9 15.3 1.0 CB S:VAL123 4.9 28.6 1.0

Calcium binding site 2 out of 3 in the Crystal Structure of A Dictyostelium/Tetrahymena Chimera Actin (Mutant 646: Q228K/T229A/A230Y/A231K/S232E/E360H) in Complex with Human Gelsolin Segment 1


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Crystal Structure of A Dictyostelium/Tetrahymena Chimera Actin (Mutant 646: Q228K/T229A/A230Y/A231K/S232E/E360H) in Complex with Human Gelsolin Segment 1 within 5.0Å range: probe atom residue distance (Å) B Occ S:Ca129 b:21.6 occ:1.00 O S:ALA94 2.4 17.6 1.0 O S:HOH160 2.4 32.0 1.0 O S:GLY92 2.5 14.5 1.0 OE1 A:GLU167 2.5 20.0 1.0 OD2 S:ASP87 2.5 23.0 1.0 OD1 S:ASP87 2.6 17.5 1.0 O S:HOH130 2.7 23.3 1.0 CG S:ASP87 2.8 22.4 1.0 C S:GLY92 3.3 19.8 1.0 C S:ALA94 3.6 20.8 1.0 CD A:GLU167 3.6 20.6 1.0 CA S:GLY92 3.8 19.7 1.0 N S:ALA94 3.9 21.2 1.0 OE2 A:GLU167 4.1 15.6 1.0 CA S:ALA94 4.3 21.4 1.0 C S:ARG93 4.3 23.7 1.0 N S:ARG93 4.3 20.6 1.0 CB S:ASP87 4.3 13.8 1.0 O A:HOH1444 4.4 32.9 1.0 O S:HOH151 4.6 24.1 1.0 N S:VAL95 4.7 17.8 1.0 CA S:ARG93 4.7 26.4 1.0 O S:HOH224 4.7 49.8 1.0 NE2 S:GLN96 4.7 12.5 1.0 CG A:GLU167 4.8 13.7 1.0 CB S:ALA94 4.8 17.4 1.0 CB A:GLU167 4.9 14.9 1.0 CA S:VAL95 4.9 17.6 1.0

Calcium binding site 3 out of 3 in the Crystal Structure of A Dictyostelium/Tetrahymena Chimera Actin (Mutant 646: Q228K/T229A/A230Y/A231K/S232E/E360H) in Complex with Human Gelsolin Segment 1


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Crystal Structure of A Dictyostelium/Tetrahymena Chimera Actin (Mutant 646: Q228K/T229A/A230Y/A231K/S232E/E360H) in Complex with Human Gelsolin Segment 1 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca377 b:21.7 occ:1.00 O A:HOH1381 2.3 14.3 1.0 O2G A:ATP1376 2.4 15.4 1.0 O A:HOH1409 2.4 22.7 1.0 O1B A:ATP1376 2.4 17.0 1.0 O A:HOH1377 2.5 20.2 1.0 O A:HOH1403 2.5 18.2 1.0 O A:HOH1431 2.7 18.9 1.0 PG A:ATP1376 3.5 20.1 1.0 PB A:ATP1376 3.6 19.9 1.0 O3G A:ATP1376 3.9 19.1 1.0 O A:HOH1440 3.9 27.7 1.0 O3B A:ATP1376 4.0 19.2 1.0 OE1 A:GLN137 4.1 10.5 1.0 O3A A:ATP1376 4.3 18.2 1.0 O A:HOH1458 4.3 50.6 1.0 CA A:GLY13 4.4 16.7 1.0 CD A:GLN137 4.4 18.1 1.0 NZ A:LYS18 4.4 23.5 1.0 O A:HOH1457 4.5 22.0 1.0 O1A A:ATP1376 4.5 17.2 1.0 OD1 A:ASP154 4.6 21.3 1.0 O A:HOH1481 4.6 34.0 1.0 OD2 A:ASP11 4.7 20.4 1.0 OD1 A:ASP11 4.7 19.5 1.0 PA A:ATP1376 4.8 20.0 1.0 OD2 A:ASP154 4.8 31.7 1.0 O1G A:ATP1376 4.8 16.1 1.0 O2B A:ATP1376 4.8 18.6 1.0 O A:ASN12 4.9 20.2 1.0 NE2 A:GLN137 4.9 12.3 1.0 CG A:GLN137 5.0 13.4 1.0

Y.Matsuura, M.Stewart, M.Kawamoto, N.Kamiya, K.Saeki, T.Yasunaga, T.Wakabayashi. Structural Basis For the Higher Ca(2+)-Activation of the Regulated Actin-Activated Myosin Atpase Observed with Dictyostelium/Tetrahymena Actin Chimeras. J.Mol.Biol. V. 296 579 2000.
ISSN: ISSN 0022-2836
PubMed: 10669610
DOI: 10.1006/JMBI.1999.3467