Calcium in PDB 3jvt: Calcium-Bound Scallop Myosin Regulatory Domain (Lever Arm) with Reconstituted Complete Light Chains

The structure of Calcium-Bound Scallop Myosin Regulatory Domain (Lever Arm) with Reconstituted Complete Light Chains, PDB code: 3jvt 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)	9.99 / 2.10
Space group	P 1
Cell size a, b, c (Å), α, β, γ (°)	46.710, 52.230, 55.250, 65.30, 66.40, 70.24
R / Rfree (%)	20.7 / 23.1

The structure of Calcium-Bound Scallop Myosin Regulatory Domain (Lever Arm) with Reconstituted Complete Light Chains also contains other interesting chemical elements:

Magnesium

(Mg)

1 atom

The binding sites of Calcium atom in the Calcium-Bound Scallop Myosin Regulatory Domain (Lever Arm) with Reconstituted Complete Light Chains (pdb code 3jvt). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Calcium-Bound Scallop Myosin Regulatory Domain (Lever Arm) with Reconstituted Complete Light Chains, PDB code: 3jvt:

Calcium binding site 1 out of 1 in the Calcium-Bound Scallop Myosin Regulatory Domain (Lever Arm) with Reconstituted Complete Light Chains


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Calcium-Bound Scallop Myosin Regulatory Domain (Lever Arm) with Reconstituted Complete Light Chains within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca503 b:23.7 occ:1.00 O C:GLY23 2.2 22.6 1.0 OD2 C:ASP22 2.3 19.6 1.0 O C:ALA27 2.4 23.4 1.0 OD1 C:ASP19 2.4 20.6 1.0 O C:ASP19 2.6 14.2 1.0 O C:HOH183 2.6 18.2 1.0 OD2 C:ASP25 2.7 21.8 1.0 C C:GLY23 3.2 22.9 1.0 CG C:ASP25 3.3 23.1 1.0 CG C:ASP22 3.4 20.8 1.0 C C:ASP19 3.4 14.1 1.0 OD1 C:ASP25 3.4 27.3 1.0 CA C:ASP19 3.5 12.9 1.0 CG C:ASP19 3.6 19.6 1.0 C C:ALA27 3.6 23.5 1.0 O C:ASP22 3.6 21.1 1.0 C C:ASP22 3.7 20.1 1.0 N C:GLY23 3.9 21.0 1.0 N C:ASP25 3.9 25.9 1.0 CA C:GLY23 4.0 21.4 1.0 OD1 C:ASP22 4.0 24.6 1.0 CB C:ASP19 4.1 16.0 1.0 N C:ARG24 4.1 23.7 1.0 N C:ALA27 4.2 25.1 1.0 CA C:ARG24 4.3 25.3 1.0 CA C:ALA27 4.4 25.0 1.0 CB C:ASP22 4.5 20.6 1.0 CB C:ASP25 4.5 23.4 1.0 CA C:ASP22 4.5 18.8 1.0 C C:ARG24 4.5 24.7 1.0 N C:ASP22 4.5 17.7 1.0 N C:VAL28 4.6 23.1 1.0 O C:PHE18 4.6 18.8 1.0 OD2 C:ASP19 4.7 23.7 1.0 O C:HOH175 4.7 33.9 1.0 N C:PHE20 4.7 14.2 1.0 CA C:ASP25 4.7 26.3 1.0 CA C:VAL28 4.7 20.4 1.0 N C:ASP19 4.8 14.3 1.0 N C:GLY26 4.8 28.3 1.0 CB C:ALA27 4.9 23.6 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