Calcium in PDB 9ccb: X-Ray Crystal Structure of Methyl-Coenzyme M Reductase Glutamine Methylase (Mgma) From Methanothermobacter Marburgensis with Hydroxycobalamin

The structure of X-Ray Crystal Structure of Methyl-Coenzyme M Reductase Glutamine Methylase (Mgma) From Methanothermobacter Marburgensis with Hydroxycobalamin, PDB code: 9ccb was solved by C.T.Lloyd, S.J.Booker, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	44.93 / 2.08
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	48.7, 72.143, 114.868, 90, 90, 90
R / Rfree (%)	19.8 / 25

The structure of X-Ray Crystal Structure of Methyl-Coenzyme M Reductase Glutamine Methylase (Mgma) From Methanothermobacter Marburgensis with Hydroxycobalamin also contains other interesting chemical elements:

Iron	(Fe)	4 atoms
Cobalt	(Co)	1 atom

The binding sites of Calcium atom in the X-Ray Crystal Structure of Methyl-Coenzyme M Reductase Glutamine Methylase (Mgma) From Methanothermobacter Marburgensis with Hydroxycobalamin (pdb code 9ccb). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the X-Ray Crystal Structure of Methyl-Coenzyme M Reductase Glutamine Methylase (Mgma) From Methanothermobacter Marburgensis with Hydroxycobalamin, PDB code: 9ccb:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the X-Ray Crystal Structure of Methyl-Coenzyme M Reductase Glutamine Methylase (Mgma) From Methanothermobacter Marburgensis with Hydroxycobalamin


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of X-Ray Crystal Structure of Methyl-Coenzyme M Reductase Glutamine Methylase (Mgma) From Methanothermobacter Marburgensis with Hydroxycobalamin within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca503 b:44.6 occ:1.00 OE1 A:GLU237 2.4 38.0 1.0 OE2 A:GLU234 2.5 33.9 1.0 OE1 A:GLU234 2.7 31.4 1.0 CD A:GLU234 3.0 30.2 1.0 CD A:GLU237 3.2 34.3 1.0 OE2 A:GLU237 3.3 37.2 1.0 CG A:GLU234 4.5 23.1 1.0 CG A:GLU237 4.6 27.3 1.0 NE A:ARG233 4.7 28.1 1.0

Calcium binding site 2 out of 2 in the X-Ray Crystal Structure of Methyl-Coenzyme M Reductase Glutamine Methylase (Mgma) From Methanothermobacter Marburgensis with Hydroxycobalamin


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of X-Ray Crystal Structure of Methyl-Coenzyme M Reductase Glutamine Methylase (Mgma) From Methanothermobacter Marburgensis with Hydroxycobalamin within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca504 b:49.0 occ:1.00 OE2 A:GLU296 2.3 34.8 1.0 O A:HOH626 2.3 34.6 1.0 OE1 A:GLU299 2.8 35.7 1.0 CD A:GLU296 3.2 33.3 1.0 OE1 A:GLU296 3.5 33.7 1.0 CD A:GLU299 3.6 31.1 1.0 OE2 A:GLU299 3.8 35.2 1.0 CG A:GLU296 4.4 31.4 1.0 CG2 A:ILE295 4.7 19.1 1.0 CG A:GLU299 4.9 24.4 1.0

C.T.Lloyd, S.J.Booker. Genetic and Biochemical Characterization of A Radical Sam Enzyme Required For Post-Translational Glutamine Methylation of Methyl-Coenzyme M Reductase To Be Published.