Magnesium in PDB 9nxg: An Alpha-L-Arabinofuranosidase (ATABF43C) From Acetivibrio Thermocellus DSM1313

The structure of An Alpha-L-Arabinofuranosidase (ATABF43C) From Acetivibrio Thermocellus DSM1313, PDB code: 9nxg was solved by J.L.Galindo, P.D.Jeffrey, J.M.Conway, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	28.93 / 1.32
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	80.265, 81.614, 82.105, 90, 108.4, 90
R / Rfree (%)	15.8 / 17.2

The binding sites of Magnesium atom in the An Alpha-L-Arabinofuranosidase (ATABF43C) From Acetivibrio Thermocellus DSM1313 (pdb code 9nxg). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 3 binding sites of Magnesium where determined in the An Alpha-L-Arabinofuranosidase (ATABF43C) From Acetivibrio Thermocellus DSM1313, PDB code: 9nxg:
Jump to Magnesium binding site number: 1; 2; 3;

Magnesium binding site 1 out of 3 in the An Alpha-L-Arabinofuranosidase (ATABF43C) From Acetivibrio Thermocellus DSM1313


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of An Alpha-L-Arabinofuranosidase (ATABF43C) From Acetivibrio Thermocellus DSM1313 within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg609 b:11.5 occ:1.00 O A:HOH1092 2.0 16.9 1.0 O A:HOH1025 2.1 17.6 1.0 O A:HOH835 2.2 11.9 1.0 OE1 A:GLU227 2.2 10.4 1.0 O A:HOH1091 2.4 13.7 1.0 NE2 A:HIS408 2.7 17.7 1.0 CD A:GLU227 3.3 9.3 1.0 O A:HOH817 3.5 17.4 1.0 CD2 A:HIS408 3.6 18.1 1.0 CE1 A:HIS408 3.7 11.3 1.0 CG A:GLU227 3.7 8.1 1.0 O A:HOH722 4.0 16.2 1.0 O A:PRO346 4.1 8.9 1.0 O A:HOH771 4.3 10.7 1.0 OE2 A:GLU227 4.4 8.4 1.0 O A:ASP283 4.5 11.1 1.0 O A:ALA284 4.5 10.9 1.0 CE3 A:TRP170 4.6 8.7 1.0 CG A:HIS408 4.7 10.3 1.0 ND1 A:HIS408 4.8 11.2 1.0 O A:ALA225 4.8 8.2 1.0 C A:ASP283 4.9 8.7 1.0 O A:ASN409 4.9 8.4 1.0 CB A:THR285 5.0 8.4 1.0 CB A:ALA225 5.0 9.4 1.0 CA A:GLY345 5.0 9.4 1.0

Magnesium binding site 2 out of 3 in the An Alpha-L-Arabinofuranosidase (ATABF43C) From Acetivibrio Thermocellus DSM1313


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of An Alpha-L-Arabinofuranosidase (ATABF43C) From Acetivibrio Thermocellus DSM1313 within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg610 b:18.7 occ:1.00 O A:HOH910 2.1 15.2 1.0 OD1 A:ASP27 2.2 13.6 1.0 OD1 A:ASP74 2.3 20.0 1.0 O A:PHE75 2.3 14.4 1.0 O A:HOH874 2.4 19.1 1.0 CG A:ASP74 3.0 21.4 1.0 OD2 A:ASP74 3.1 28.4 1.0 CG A:ASP27 3.4 14.3 1.0 C A:PHE75 3.5 11.9 1.0 N A:PHE75 3.9 10.9 1.0 O A:HOH702 3.9 21.2 1.0 OD2 A:ASP27 4.0 21.1 1.0 O A:HOH718 4.1 28.1 1.0 N A:VAL28 4.2 11.5 1.0 CD A:ARG76 4.2 26.9 1.0 CA A:PHE75 4.2 9.9 1.0 CB A:ASP74 4.4 16.3 1.0 O A:VAL28 4.4 9.9 1.0 C A:ASP74 4.5 11.8 1.0 N A:ARG76 4.5 10.9 1.0 CB A:ASP27 4.5 13.0 1.0 CA A:ASP27 4.5 11.6 1.0 O A:LEU123 4.6 11.1 1.0 NH1 A:ARG76 4.7 22.1 1.0 CG A:ARG76 4.7 24.9 1.0 CA A:ARG76 4.8 11.2 1.0 CA A:ASP74 4.8 12.1 1.0 C A:ASP27 4.9 10.5 1.0 CB A:PHE75 4.9 10.3 1.0

Magnesium binding site 3 out of 3 in the An Alpha-L-Arabinofuranosidase (ATABF43C) From Acetivibrio Thermocellus DSM1313


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 3 of An Alpha-L-Arabinofuranosidase (ATABF43C) From Acetivibrio Thermocellus DSM1313 within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg606 b:9.1 occ:1.00 O B:HOH1060 2.1 13.8 1.0 O B:HOH844 2.1 10.5 1.0 OE1 B:GLU227 2.2 10.2 1.0 O B:HOH958 2.2 15.0 1.0 O B:HOH1036 2.4 12.3 1.0 NE2 B:HIS408 2.5 13.7 1.0 CD B:GLU227 3.3 8.2 1.0 CD2 B:HIS408 3.4 14.2 1.0 CE1 B:HIS408 3.6 9.9 1.0 CG B:GLU227 3.7 8.0 1.0 O B:HOH734 3.9 16.0 1.0 O B:PRO346 4.0 8.9 1.0 O B:HOH736 4.3 10.3 1.0 OE2 B:GLU227 4.4 7.9 1.0 O B:ALA284 4.4 10.9 1.0 O B:ASP283 4.5 9.2 1.0 CE3 B:TRP170 4.6 8.7 1.0 CG B:HIS408 4.6 9.6 1.0 ND1 B:HIS408 4.7 8.8 1.0 O B:ASN409 4.8 7.6 1.0 O B:ALA225 4.8 9.0 1.0 C B:ASP283 4.8 7.6 1.0 CB B:THR285 4.9 8.5 1.0 CB B:ALA225 4.9 9.8 1.0 CA B:GLY345 5.0 7.3 1.0

J.L.Galindo, P.D.Jeffrey, A.Zhu, A.J.Link, J.M.Conway. Functional and Structural Characterization of ATABF43C: An Exo-1,5-Alpha-L-Arabinofuranosidase From Acetivibrio Thermocellus DSM1313. Biochem.J. 2025.
ISSN: ESSN 1470-8728
PubMed: 40785600
DOI: 10.1042/BCJ20253186