Calcium in PDB 6a0k: Cyclic Alpha-Maltosyl-(1-->6)-Maltose Hydrolase From Arthrobacter Globiformis, Complex with Panose

The structure of Cyclic Alpha-Maltosyl-(1-->6)-Maltose Hydrolase From Arthrobacter Globiformis, Complex with Panose, PDB code: 6a0k was solved by M.Kohno, T.Arakawa, T.Mori, T.Nishimoto, S.Fushinobu, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	90.10 / 1.94
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	48.293, 180.225, 62.926, 90.00, 111.60, 90.00
R / Rfree (%)	18.8 / 22.3

The binding sites of Calcium atom in the Cyclic Alpha-Maltosyl-(1-->6)-Maltose Hydrolase From Arthrobacter Globiformis, Complex with Panose (pdb code 6a0k). 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 Cyclic Alpha-Maltosyl-(1-->6)-Maltose Hydrolase From Arthrobacter Globiformis, Complex with Panose, PDB code: 6a0k:

Calcium binding site 1 out of 1 in the Cyclic Alpha-Maltosyl-(1-->6)-Maltose Hydrolase From Arthrobacter Globiformis, Complex with Panose


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Cyclic Alpha-Maltosyl-(1-->6)-Maltose Hydrolase From Arthrobacter Globiformis, Complex with Panose within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca507 b:36.5 occ:1.00 OD2 B:ASP48 2.5 17.5 1.0 OD1 B:ASN22 2.5 16.1 1.0 O B:GLY46 2.5 18.1 1.0 O B:ASP24 2.6 17.4 1.0 OD1 B:ASP28 2.6 28.2 1.0 O B:HOH690 2.8 34.5 1.0 CG B:ASN22 3.2 16.7 1.0 C B:ASP24 3.4 16.8 1.0 CG B:ASP48 3.5 18.4 1.0 C B:GLY46 3.6 15.8 1.0 ND2 B:ASN22 3.6 19.0 1.0 CG B:ASP28 3.8 29.5 1.0 N B:ASP24 3.9 18.8 1.0 CA B:GLY46 4.0 14.2 1.0 N B:ASP28 4.0 24.4 1.0 CB B:ASP48 4.0 16.6 1.0 N B:PRO25 4.1 20.1 1.0 CA B:ASP24 4.1 18.1 1.0 CB B:LEU27 4.2 21.7 1.0 CB B:ASN22 4.3 18.4 1.0 CA B:PRO25 4.3 21.0 1.0 CA B:ASN22 4.4 17.2 1.0 C B:LEU27 4.4 22.4 1.0 CA B:ASP28 4.5 26.1 1.0 OD1 B:ASP48 4.5 16.5 1.0 CB B:ASP24 4.6 18.8 1.0 C B:ASN22 4.6 21.8 1.0 OD2 B:ASP28 4.6 30.8 1.0 C B:GLY47 4.6 16.1 1.0 CA B:LEU27 4.7 21.5 1.0 O B:ARG92 4.7 18.4 1.0 N B:ALA23 4.7 20.1 1.0 N B:GLY47 4.7 14.2 1.0 N B:LEU27 4.8 20.2 1.0 CB B:ASP28 4.8 27.8 1.0 O B:GLY47 4.8 17.5 1.0 N B:ASP48 4.8 16.0 1.0 C B:PRO25 4.9 20.9 1.0 O B:LEU27 5.0 23.7 1.0

M.Kohno, T.Arakawa, H.Ota, T.Mori, T.Nishimoto, S.Fushinobu. Structural Features of A Bacterial Cyclic Alpha-Maltosyl-(1→6)-Maltose (Cmm) Hydrolase Critical For Cmm Recognition and Hydrolysis. J. Biol. Chem. V. 293 16874 2018.
ISSN: ESSN 1083-351X
PubMed: 30181215
DOI: 10.1074/JBC.RA118.004472