Calcium in PDB 2ec6: Placopecten Striated Muscle Myosin II

The structure of Placopecten Striated Muscle Myosin II, PDB code: 2ec6 was solved by Y.Yang, J.Brown, G.Samudrala, R.Reutzel, A.Szent-Gyorgyi, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 3.25
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	85.273, 50.366, 156.774, 90.00, 101.04, 90.00
R / Rfree (%)	27.9 / 30

The binding sites of Calcium atom in the Placopecten Striated Muscle Myosin II (pdb code 2ec6). 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 Placopecten Striated Muscle Myosin II, PDB code: 2ec6:

Calcium binding site 1 out of 1 in the Placopecten Striated Muscle Myosin II


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Placopecten Striated Muscle Myosin II within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca1 b:23.4 occ:1.00 O C:GLY24 2.7 11.7 1.0 O C:ALA28 2.8 13.8 1.0 OD1 C:ASP20 3.1 0.0 1.0 OD2 C:ASP26 3.2 15.5 1.0 O C:ASP20 3.2 5.8 1.0 OD2 C:ASP23 3.3 15.8 1.0 O C:ASP23 3.5 8.3 1.0 CG C:ASP23 3.5 12.4 1.0 C C:ALA28 3.7 13.1 1.0 CG C:ASP26 3.7 15.3 1.0 C C:GLY24 3.8 9.4 1.0 C C:ASP23 3.9 7.8 1.0 OD1 C:ASP23 3.9 9.1 1.0 OD1 C:ASP26 4.0 13.6 1.0 C C:ASP20 4.1 3.3 1.0 CG C:ASP20 4.2 0.0 1.0 CB C:ASP23 4.2 8.8 1.0 N C:GLY24 4.3 8.6 1.0 CA C:ASP20 4.3 2.4 1.0 CA C:GLY24 4.4 9.0 1.0 N C:VAL29 4.5 10.0 1.0 N C:ALA28 4.5 14.4 1.0 CA C:ALA28 4.5 13.2 1.0 CA C:VAL29 4.5 6.5 1.0 N C:ASP26 4.6 12.0 1.0 CA C:ASP23 4.6 8.4 1.0 CB C:ASP20 4.8 1.2 1.0 CB C:ASP26 4.8 14.3 1.0 CB C:ALA28 4.8 11.2 1.0 N C:ARG25 4.9 11.5 1.0

Y.Yang, S.Gourinath, M.Kovacs, L.Nyitray, R.Reutzel, D.M.Himmel, E.O'neall-Hennessey, L.Reshetnikova, A.G.Szent-Gyorgyi, J.H.Brown, C.Cohen. Rigor-Like Structures From Muscle Myosins Reveal Key Mechanical Elements in the Transduction Pathways of This Allosteric Motor. Structure V. 15 553 2007.
ISSN: ISSN 0969-2126
PubMed: 17502101
DOI: 10.1016/J.STR.2007.03.010