Calcium in PDB 3i5g: Crystal Structure of Rigor-Like Squid Myosin S1

The structure of Crystal Structure of Rigor-Like Squid Myosin S1, PDB code: 3i5g was solved by 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, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	46.73 / 2.60
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	194.138, 101.751, 80.651, 90.00, 105.74, 90.00
R / Rfree (%)	25.2 / 29.7

The binding sites of Calcium atom in the Crystal Structure of Rigor-Like Squid Myosin S1 (pdb code 3i5g). 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 Crystal Structure of Rigor-Like Squid Myosin S1, PDB code: 3i5g:

Calcium binding site 1 out of 1 in the Crystal Structure of Rigor-Like Squid Myosin S1


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 Rigor-Like Squid Myosin S1 within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca1001 b:50.1 occ:1.00 O C:ASP27 2.6 45.5 1.0 O C:GLY23 2.7 48.1 1.0 OD1 C:ASP22 2.7 53.2 1.0 O C:ASP19 2.7 36.2 1.0 OD1 C:ASP25 2.8 50.0 1.0 CB C:ASP19 3.1 41.2 1.0 CG C:ASP25 3.2 50.2 1.0 C C:GLY23 3.2 47.5 1.0 OD2 C:ASP25 3.3 54.5 1.0 CA C:ASP19 3.3 39.5 1.0 C C:ASP19 3.4 37.9 1.0 N C:ASP25 3.5 46.5 1.0 CG C:ASP22 3.6 48.4 1.0 C C:ASP27 3.7 44.9 1.0 N C:ARG24 3.8 48.0 1.0 O C:ASP22 4.0 46.8 1.0 OD2 C:ASP22 4.0 48.5 1.0 C C:ASP22 4.0 45.9 1.0 N C:GLY23 4.0 46.3 1.0 N C:ASP27 4.0 43.2 1.0 CA C:GLY23 4.0 47.2 1.0 CA C:ARG24 4.0 48.2 1.0 CG C:ASP19 4.1 42.0 1.0 C C:ARG24 4.2 47.6 1.0 OD2 C:ASP19 4.2 36.0 1.0 CB C:ASP25 4.3 47.2 1.0 CA C:ASP27 4.4 45.3 1.0 CA C:ASP25 4.4 46.0 1.0 N C:GLY26 4.5 44.0 1.0 C C:ASP25 4.7 45.7 1.0 N C:PHE20 4.7 37.4 1.0 CB C:ASP27 4.7 47.2 1.0 N C:ASP19 4.8 36.2 1.0 CB C:ASP22 4.8 45.9 1.0 CA C:ASP22 4.8 43.6 1.0 N C:VAL28 4.8 43.1 1.0 N C:ASP22 4.9 40.8 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