Calcium in PDB 7lsa: Ruminococcus Bromii AMY12 with Maltoheptaose

All present enzymatic activity of Ruminococcus Bromii AMY12 with Maltoheptaose:
3.2.1.41;

The structure of Ruminococcus Bromii AMY12 with Maltoheptaose, PDB code: 7lsa was solved by N.M.Koropatkin, D.W.Cockburn, H.A.Brown, R.D.Kibler, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	48.46 / 1.76
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	46.977, 97.96, 167.089, 90, 90, 90
R / Rfree (%)	15.9 / 20.6

The binding sites of Calcium atom in the Ruminococcus Bromii AMY12 with Maltoheptaose (pdb code 7lsa). 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 Ruminococcus Bromii AMY12 with Maltoheptaose, PDB code: 7lsa:

Calcium binding site 1 out of 1 in the Ruminococcus Bromii AMY12 with Maltoheptaose


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Ruminococcus Bromii AMY12 with Maltoheptaose within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca810 b:18.8 occ:1.00 OE2 A:GLU268 2.2 19.3 1.0 O A:PHE263 2.3 18.4 1.0 OD1 A:ASP262 2.3 17.9 1.0 O A:HOH1289 2.5 21.6 1.0 O A:HOH1058 2.5 21.4 1.0 OE1 A:GLU288 2.5 16.8 1.0 O A:HOH982 2.5 16.7 1.0 CD A:GLU268 3.3 20.0 1.0 CD A:GLU288 3.4 17.3 1.0 CG A:ASP262 3.4 18.2 1.0 C A:PHE263 3.5 17.5 1.0 OE2 A:GLU288 3.5 17.7 1.0 N A:PHE263 3.8 16.3 1.0 O A:HOH1074 3.9 19.1 1.0 CG A:GLU268 3.9 20.0 1.0 OD2 A:ASP262 4.0 19.0 1.0 CA A:PHE263 4.3 16.6 1.0 OE1 A:GLU268 4.3 20.4 1.0 O A:VAL266 4.4 21.1 1.0 C A:ASP262 4.4 16.3 1.0 N A:GLY289 4.5 17.6 1.0 N A:GLN264 4.5 18.1 1.0 CB A:ASP262 4.6 17.4 1.0 CA A:ASP262 4.6 16.6 1.0 O A:HOH1361 4.7 21.5 1.0 OD1 A:ASN167 4.8 21.9 1.0 CG A:GLU288 4.8 17.1 1.0 CA A:GLN264 4.8 19.5 1.0 CA A:ASN167 4.8 21.7 1.0 CD1 A:PHE263 5.0 15.9 1.0 CA A:GLU288 5.0 17.4 1.0

D.W.Cockburn, R.Kibler, H.A.Brown, R.Duvall, S.Morais, E.Bayer, N.M.Koropatkin. Structure and Substrate Recognition By the Ruminococcus Bromii Amylosome Pullulanases. J.Struct.Biol. V. 213 07765 2021.
ISSN: ESSN 1095-8657
PubMed: 34186214
DOI: 10.1016/J.JSB.2021.107765