Magnesium in PDB 7b1a: Myosin-II-Aa Mutant Motor Domain

The structure of Myosin-II-Aa Mutant Motor Domain, PDB code: 7b1a was solved by W.Ewert, M.Preller, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	43.11 / 2.60
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	89.764, 146.47, 154.845, 90, 90, 90
R / Rfree (%)	20.9 / 26.3

The structure of Myosin-II-Aa Mutant Motor Domain also contains other interesting chemical elements:

Vanadium

(V)

1 atom

The binding sites of Magnesium atom in the Myosin-II-Aa Mutant Motor Domain (pdb code 7b1a). 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 Myosin-II-Aa Mutant Motor Domain, PDB code: 7b1a:

Magnesium binding site 1 out of 1 in the Myosin-II-Aa Mutant Motor Domain


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Myosin-II-Aa Mutant Motor Domain within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg801 b:40.9 occ:1.00 O3G A:AD9806 1.9 45.0 1.0 OG1 A:THR186 2.0 41.6 1.0 O A:HOH926 2.1 35.1 1.0 O1B A:AD9806 2.1 40.4 1.0 O A:HOH933 2.3 47.3 1.0 OG A:SER237 2.6 49.1 1.0 HB2 A:SER237 2.8 40.8 1.0 HB A:THR186 3.1 58.6 1.0 CB A:THR186 3.1 48.8 1.0 H A:SER237 3.1 48.8 1.0 CB A:SER237 3.2 34.0 1.0 H A:THR186 3.3 58.4 1.0 PB A:AD9806 3.4 39.6 1.0 VG A:AD9806 3.6 39.6 1.0 O3A A:AD9806 3.8 46.6 1.0 N A:SER237 3.8 40.7 1.0 HB3 A:SER237 3.9 40.8 1.0 N A:THR186 3.9 48.6 1.0 OD1 A:ASP454 3.9 45.5 1.0 HG21 A:THR186 4.0 61.8 1.0 HB2 A:LYS185 4.0 55.6 1.0 CA A:THR186 4.1 47.1 1.0 CA A:SER237 4.1 37.0 1.0 CG2 A:THR186 4.2 51.5 1.0 O3B A:AD9806 4.2 55.3 1.0 HE2 A:LYS185 4.2 41.3 1.0 OD2 A:ASP454 4.3 51.0 1.0 HA A:THR186 4.3 56.5 1.0 O2A A:AD9806 4.5 54.3 1.0 HD21 A:ASN233 4.5 63.3 1.0 O2B A:AD9806 4.5 45.1 1.0 CG A:ASP454 4.6 45.4 1.0 O A:ASN235 4.6 36.1 1.0 PA A:AD9806 4.6 38.4 1.0 HA A:SER236 4.6 46.9 1.0 O1A A:AD9806 4.6 51.1 1.0 O A:HOH905 4.6 30.0 1.0 O A:HOH922 4.6 42.2 1.0 HD22 A:ASN233 4.7 63.3 1.0 HD21 A:ASN227 4.7 60.8 1.0 HA A:SER237 4.7 44.4 1.0 O2G A:AD9806 4.7 47.3 1.0 HG23 A:THR186 4.8 61.8 1.0 O A:ILE455 4.8 44.4 1.0 HG22 A:THR186 4.8 61.8 1.0 CB A:LYS185 4.9 46.4 1.0 H2G1 A:AD9806 4.9 56.7 1.0 C A:SER236 4.9 43.6 1.0 ND2 A:ASN233 4.9 52.8 1.0 HB3 A:LYS185 4.9 55.6 1.0 O A:HOH929 5.0 45.0 1.0 HA A:SER456 5.0 56.9 1.0

P.Franz, W.Ewert, M.Preller, G.Tsiavaliaris. Unraveling A Force-Generating Allosteric Pathway of Actomyosin Communication Associated with Adp and P I Release. Int J Mol Sci V. 22 2020.
ISSN: ESSN 1422-0067
PubMed: 33374308
DOI: 10.3390/IJMS22010104