Magnesium in PDB 4r3a: Erythrobacter Litoralis EL346 Blue-Light Activated Histidine Kinase

All present enzymatic activity of Erythrobacter Litoralis EL346 Blue-Light Activated Histidine Kinase:
2.7.13.3;

The structure of Erythrobacter Litoralis EL346 Blue-Light Activated Histidine Kinase, PDB code: 4r3a was solved by D.R.Tomchick, G.Rivera-Cancel, K.H.Gardner, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	46.60 / 2.92
Space group	H 3 2
Cell size a, b, c (Å), α, β, γ (°)	98.882, 98.882, 422.255, 90.00, 90.00, 120.00
R / Rfree (%)	29 / 33

The binding sites of Magnesium atom in the Erythrobacter Litoralis EL346 Blue-Light Activated Histidine Kinase (pdb code 4r3a). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 2 binding sites of Magnesium where determined in the Erythrobacter Litoralis EL346 Blue-Light Activated Histidine Kinase, PDB code: 4r3a:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in the Erythrobacter Litoralis EL346 Blue-Light Activated Histidine Kinase


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Erythrobacter Litoralis EL346 Blue-Light Activated Histidine Kinase within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg400 b:24.8 occ:1.00 O2G A:ANP401 1.9 0.1 1.0 O1A A:ANP401 2.0 0.6 1.0 O2B A:ANP401 2.1 0.3 1.0 OD1 A:ASN250 2.1 73.6 1.0 HD21 A:ASN250 2.9 80.2 1.0 PB A:ANP401 2.9 39.0 1.0 CG A:ASN250 3.0 63.1 1.0 PA A:ANP401 3.0 0.7 1.0 O3A A:ANP401 3.0 89.7 1.0 PG A:ANP401 3.1 52.9 1.0 ND2 A:ASN250 3.2 66.8 1.0 N3B A:ANP401 3.4 0.8 1.0 HA3 A:GLY300 3.4 36.6 1.0 HNB1 A:ANP401 3.5 0.6 1.0 O3G A:ANP401 3.7 0.6 1.0 O5' A:ANP401 3.8 59.2 1.0 HE2 A:HIS254 3.8 67.5 1.0 HA A:ASN250 4.0 71.3 1.0 HD22 A:ASN250 4.1 80.2 1.0 O2A A:ANP401 4.3 0.4 1.0 O1G A:ANP401 4.3 34.8 1.0 CB A:ASN250 4.3 64.0 1.0 OE1 A:GLU246 4.3 58.7 1.0 O1B A:ANP401 4.3 25.6 1.0 CA A:GLY300 4.4 30.5 1.0 HG22 A:THR249 4.4 57.0 1.0 O A:GLU246 4.5 48.7 1.0 NE2 A:HIS254 4.5 56.3 1.0 HD2 A:HIS254 4.5 63.9 1.0 OE1 A:GLN253 4.5 55.7 1.0 CA A:ASN250 4.6 59.4 1.0 H A:GLY300 4.6 36.1 1.0 HA2 A:GLY300 4.8 36.6 1.0 HE1 A:TRP293 4.8 42.9 1.0 HB3 A:ASN250 4.8 76.8 1.0 HB2 A:ASN250 4.8 76.8 1.0 CD2 A:HIS254 4.8 53.2 1.0 H A:ASN250 4.8 60.2 1.0 N A:ASN250 4.9 50.1 1.0

Magnesium binding site 2 out of 2 in the Erythrobacter Litoralis EL346 Blue-Light Activated Histidine Kinase


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Erythrobacter Litoralis EL346 Blue-Light Activated Histidine Kinase within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg400 b:79.0 occ:1.00 O2G B:ANP401 2.0 42.4 1.0 O1A B:ANP401 2.0 0.8 1.0 OD1 B:ASN250 2.1 95.9 1.0 O2B B:ANP401 2.2 96.5 1.0 HD21 B:ASN250 2.8 0.9 1.0 CG B:ASN250 2.8 95.1 1.0 ND2 B:ASN250 3.1 94.1 1.0 PG B:ANP401 3.2 0.9 1.0 PA B:ANP401 3.3 0.5 1.0 PB B:ANP401 3.4 82.2 1.0 HE2 B:HIS254 3.5 0.3 1.0 O3G B:ANP401 3.5 45.8 1.0 HA3 B:GLY300 3.7 0.1 1.0 O3A B:ANP401 3.7 91.4 1.0 HA B:ASN250 3.7 0.8 1.0 HD22 B:ASN250 3.9 0.9 1.0 N3B B:ANP401 4.0 77.0 1.0 O5' B:ANP401 4.0 0.9 1.0 CB B:ASN250 4.1 95.5 1.0 HD2 B:HIS254 4.2 0.5 1.0 NE2 B:HIS254 4.2 0.3 1.0 CA B:ASN250 4.3 96.5 1.0 O B:GLU246 4.4 93.5 1.0 O1G B:ANP401 4.4 0.5 1.0 OE1 B:GLU246 4.4 94.3 1.0 O2A B:ANP401 4.5 0.5 1.0 CD2 B:HIS254 4.5 0.2 1.0 OE1 B:GLN253 4.5 0.1 1.0 HNB1 B:ANP401 4.6 92.4 1.0 HB2 B:ASN250 4.6 0.7 1.0 O1B B:ANP401 4.6 82.4 1.0 H3' B:ANP401 4.7 0.9 1.0 CA B:GLY300 4.7 0.3 1.0 H B:ASN250 4.7 0.9 1.0 HB3 B:ASN250 4.7 0.7 1.0 N B:ASN250 4.7 95.8 1.0 HE1 B:TRP293 4.8 0.7 1.0 H B:GLY300 4.9 0.5 1.0 H8 B:ANP401 4.9 0.7 1.0 HB B:THR249 4.9 0.6 1.0 HA2 B:GLY300 5.0 0.1 1.0

G.Rivera-Cancel, W.-H.Ko, D.R.Tomchick, F.Correa, K.H.Gardner. Full-Length Structure of A Monomeric Histidine Kinase Reveals Basis For Sensory Regulation Proc.Natl.Acad.Sci.Usa 2014.
ISSN: ESSN 1091-6490