Magnesium in PDB 1nb9: Crystal Structure of Riboflavin Kinase

All present enzymatic activity of Crystal Structure of Riboflavin Kinase:
2.7.1.26;

The structure of Crystal Structure of Riboflavin Kinase, PDB code: 1nb9 was solved by S.Karthikeyan, Q.Zhou, F.Mseeh, N.V.Grishin, A.L.Osterman, H.Zhang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	49.39 / 1.70
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	56.957, 56.957, 82.501, 90.00, 90.00, 120.00
R / Rfree (%)	18.4 / 20.6

The binding sites of Magnesium atom in the Crystal Structure of Riboflavin Kinase (pdb code 1nb9). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total only one binding site of Magnesium was determined in the Crystal Structure of Riboflavin Kinase, PDB code: 1nb9:

Magnesium binding site 1 out of 1 in the Crystal Structure of Riboflavin Kinase


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Crystal Structure of Riboflavin Kinase within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg201 b:19.0 occ:1.00 O2A A:ADP301 2.0 19.1 1.0 O1B A:ADP301 2.1 19.5 1.0 O A:HOH568 2.1 18.1 1.0 O A:HOH502 2.1 17.7 1.0 OG1 A:THR34 2.2 10.7 1.0 O A:THR34 2.2 11.8 1.0 C A:THR34 3.1 12.1 1.0 CB A:THR34 3.2 11.3 1.0 PA A:ADP301 3.2 19.3 1.0 PB A:ADP301 3.2 20.3 1.0 O3A A:ADP301 3.4 19.2 1.0 CA A:THR34 3.5 11.9 1.0 N A:THR34 3.6 12.6 1.0 OG A:SER27 3.9 14.9 1.0 O A:HOH508 4.0 22.0 1.0 OE1 A:GLU86 4.0 20.5 1.0 ND2 A:ASN36 4.1 12.9 1.0 O5' A:RBF401 4.1 28.6 1.0 C5' A:ADP301 4.1 19.7 1.0 O2B A:ADP301 4.2 20.2 1.0 O5' A:ADP301 4.2 18.2 1.0 OD1 A:ASN36 4.2 16.4 1.0 O3B A:ADP301 4.3 21.8 1.0 O A:HOH604 4.3 45.6 1.0 N A:ALA35 4.3 11.2 1.0 O1A A:ADP301 4.4 19.8 1.0 CG2 A:THR34 4.4 12.6 1.0 N A:SER27 4.4 15.4 1.0 CG A:ASN36 4.5 14.0 1.0 CA A:ALA35 4.9 11.2 1.0 O A:HOH501 4.9 19.9 1.0 CB A:SER27 4.9 14.1 1.0 C A:PRO33 4.9 12.8 1.0

S.Karthikeyan, Q.Zhou, F.Mseeh, N.V.Grishin, A.L.Osterman, H.Zhang. Crystal Structure of Human Riboflavin Kinase Reveals A Beta Barrel Fold and A Novel Active Site Arch Structure V. 11 265 2003.
ISSN: ISSN 0969-2126
PubMed: 12623014
DOI: 10.1016/S0969-2126(03)00024-8