Calcium in PDB 6lx2: Potato D-Enzyme Complexed with CA26

All present enzymatic activity of Potato D-Enzyme Complexed with CA26:
2.4.1.25;

The structure of Potato D-Enzyme Complexed with CA26, PDB code: 6lx2 was solved by H.Unno, K.Imamura, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	49.56 / 2.05
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	70.841, 120.413, 174.552, 90.00, 90.00, 90.00
R / Rfree (%)	16.6 / 19.6

The binding sites of Calcium atom in the Potato D-Enzyme Complexed with CA26 (pdb code 6lx2). 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 Potato D-Enzyme Complexed with CA26, PDB code: 6lx2:

Calcium binding site 1 out of 1 in the Potato D-Enzyme Complexed with CA26


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Potato D-Enzyme Complexed with CA26 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca612 b:27.4 occ:1.00 OD1 A:ASN180 2.2 22.3 1.0 O A:HOH945 2.2 30.8 1.0 O A:HOH935 2.4 35.3 1.0 O A:HOH804 2.5 23.2 1.0 CG A:ASN180 3.4 24.5 1.0 ND2 A:ASN180 4.2 21.5 1.0 O A:HOH899 4.2 23.5 1.0 CA A:ASN180 4.3 22.8 1.0 CB A:ASN180 4.4 23.8 1.0 O A:HOH956 4.4 45.6 1.0 O A:HOH845 4.4 35.9 1.0 O A:THR181 4.6 24.7 1.0 OD2 A:ASP176 4.7 31.0 1.0 OD1 A:ASP176 4.8 24.0 1.0 C A:ASN180 4.8 22.6 1.0 O A:ASN180 4.9 24.9 1.0 O A:HOH743 5.0 46.9 1.0 O A:ASP176 5.0 22.2 1.0

K.Imamura, T.Matsuura, A.Nakagawa, S.Kitamura, M.Kusunoki, T.Takaha, H.Unno. Structural Analysis and Reaction Mechanism of the Disproportionating Enzyme (D-Enzyme) From Potato. Protein Sci. V. 29 2085 2020.
ISSN: ESSN 1469-896X
PubMed: 32808707
DOI: 10.1002/PRO.3932