Magnesium in PDB 3jtd: Calcium-Free Scallop Myosin Regulatory Domain with Elc-D19A Point Mutation

The structure of Calcium-Free Scallop Myosin Regulatory Domain with Elc-D19A Point Mutation, PDB code: 3jtd was solved by D.M.Himmel, S.Mui, E.O'neall-Hennessey, A.Szent-Gyorgyi, C.Cohen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	34.89 / 2.57
Space group	P 1
Cell size a, b, c (Å), α, β, γ (°)	42.000, 52.780, 58.510, 113.36, 91.56, 100.60
R / Rfree (%)	23.3 / 24.8

The binding sites of Magnesium atom in the Calcium-Free Scallop Myosin Regulatory Domain with Elc-D19A Point Mutation (pdb code 3jtd). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total only one binding site of Magnesium was determined in the Calcium-Free Scallop Myosin Regulatory Domain with Elc-D19A Point Mutation, PDB code: 3jtd:

Magnesium binding site 1 out of 1 in the Calcium-Free Scallop Myosin Regulatory Domain with Elc-D19A Point Mutation


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Calcium-Free Scallop Myosin Regulatory Domain with Elc-D19A Point Mutation within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg502 b:35.3 occ:1.00 O B:PHE34 1.9 39.8 1.0 OD1 B:ASP28 1.9 45.6 1.0 O B:HOH170 2.2 37.5 1.0 OD2 B:ASP30 2.3 55.3 1.0 OD2 B:ASP39 2.4 56.6 1.0 OD1 B:ASP32 2.4 53.7 1.0 CG B:ASP30 3.0 55.6 1.0 C B:PHE34 3.1 39.7 1.0 CG B:ASP28 3.1 46.9 1.0 CG B:ASP39 3.2 57.3 1.0 OD1 B:ASP30 3.3 55.2 1.0 OD1 B:ASP39 3.6 58.2 1.0 CG B:ASP32 3.6 54.4 1.0 OD2 B:ASP28 3.9 44.9 1.0 N B:PHE34 3.9 42.3 1.0 N B:VAL35 4.0 38.8 1.0 CA B:PHE34 4.1 40.6 1.0 CA B:VAL35 4.1 38.0 1.0 N B:SER36 4.1 39.6 1.0 CB B:ASP28 4.2 48.9 1.0 CB B:ASP30 4.2 56.8 1.0 N B:ASP30 4.2 56.5 1.0 N B:ARG31 4.2 59.8 1.0 OD2 B:ASP32 4.3 53.6 1.0 CA B:ASP28 4.3 49.6 1.0 N B:ASP32 4.3 57.5 1.0 OG B:SER36 4.3 40.0 1.0 C B:ASP28 4.4 50.6 1.0 CB B:ASP39 4.5 54.1 1.0 CA B:ASP30 4.5 57.5 1.0 C B:VAL35 4.5 38.2 1.0 C B:ASP30 4.6 58.4 1.0 N B:GLY33 4.6 50.0 1.0 CB B:ASP32 4.6 55.0 1.0 CB B:PHE34 4.7 40.1 1.0 N B:VAL29 4.7 52.4 1.0 O B:ASP28 4.8 50.0 1.0 CA B:ASP32 4.9 54.8 1.0 CB B:SER36 4.9 41.2 1.0

D.M.Himmel, S.Mui, E.O'neall-Hennessey, A.G.Szent-Gyorgyi, C.Cohen. The on-Off Switch in Regulated Myosins: Different Triggers But Related Mechanisms. J.Mol.Biol. V. 394 496 2009.
ISSN: ISSN 0022-2836
PubMed: 19769984
DOI: 10.1016/J.JMB.2009.09.035