Calcium in PDB 7lk7: Structure of the Exo-Alpha-L-Galactosidase BPGH29 From Bacteroides Plebeius in Complex with L-Galactose

The structure of Structure of the Exo-Alpha-L-Galactosidase BPGH29 From Bacteroides Plebeius in Complex with L-Galactose, PDB code: 7lk7 was solved by A.B.Boraston, C.S.Robb, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	19.95 / 2.19
Space group	P 21 21 2
Cell size a, b, c (Å), α, β, γ (°)	78.156, 132.902, 54.486, 90, 90, 90
R / Rfree (%)	18.1 / 23

The binding sites of Calcium atom in the Structure of the Exo-Alpha-L-Galactosidase BPGH29 From Bacteroides Plebeius in Complex with L-Galactose (pdb code 7lk7). 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 Structure of the Exo-Alpha-L-Galactosidase BPGH29 From Bacteroides Plebeius in Complex with L-Galactose, PDB code: 7lk7:

Calcium binding site 1 out of 1 in the Structure of the Exo-Alpha-L-Galactosidase BPGH29 From Bacteroides Plebeius in Complex with L-Galactose


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Structure of the Exo-Alpha-L-Galactosidase BPGH29 From Bacteroides Plebeius in Complex with L-Galactose within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca601 b:35.0 occ:1.00 O A:LEU445 2.4 31.8 1.0 OD1 A:ASP347 2.4 33.1 1.0 O A:HOH912 2.5 37.8 1.0 O A:TYR500 2.5 28.4 1.0 OD2 A:ASP351 2.5 31.5 1.0 OD1 A:ASP351 2.6 27.6 1.0 O A:HOH966 2.6 34.5 1.0 CG A:ASP351 2.9 29.9 1.0 CG A:ASP347 3.2 36.1 1.0 OD2 A:ASP347 3.3 38.5 1.0 C A:LEU445 3.4 32.3 1.0 C A:TYR500 3.5 29.4 1.0 CA A:TYR500 4.0 33.6 1.0 CA A:LEU445 4.2 30.1 1.0 N A:ALA446 4.3 32.2 1.0 CB A:ASP351 4.4 27.8 1.0 CA A:ALA446 4.5 34.6 1.0 CB A:LEU445 4.5 25.2 1.0 O A:ASP347 4.5 33.2 1.0 CB A:ASP347 4.6 33.3 1.0 N A:ALA501 4.7 29.2 1.0 O A:HOH916 4.8 36.1 1.0 O A:HOH726 4.8 30.8 1.0 CB A:TYR500 4.8 32.8 1.0 CB A:ALA446 4.8 34.6 1.0

C.S.Robb, J.K.Hobbs, B.Pluvinage, G.Reintjes, L.Klassen, S.Monteith, G.Giljan, C.Amundsen, C.Vickers, A.G.Hettle, R.Hills, X.Xing, T.Montina, W.F.Zandberg, D.W.Abbott, A.B.Boraston. Metabolism of A Hybrid Algal Galactan By Members of the Human Gut Microbiome. Nat.Chem.Biol. V. 18 501 2022.
ISSN: ESSN 1552-4469
PubMed: 35289327
DOI: 10.1038/S41589-022-00983-Y