Magnesium in PDB 2ddc: Unique Behavior of A Histidine Responsible For An Engineered Green-to- Red Photoconversion Process

The structure of Unique Behavior of A Histidine Responsible For An Engineered Green-to- Red Photoconversion Process, PDB code: 2ddc was solved by H.Shimizu, H.Tsutsui, N.Nukina, A.Miyawaki, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	100.00 / 1.55
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	97.629, 119.286, 49.068, 90.00, 120.18, 90.00
R / Rfree (%)	19 / 21.2

The structure of Unique Behavior of A Histidine Responsible For An Engineered Green-to- Red Photoconversion Process also contains other interesting chemical elements:

Sodium

(Na)

2 atoms

The binding sites of Magnesium atom in the Unique Behavior of A Histidine Responsible For An Engineered Green-to- Red Photoconversion Process (pdb code 2ddc). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 2 binding sites of Magnesium where determined in the Unique Behavior of A Histidine Responsible For An Engineered Green-to- Red Photoconversion Process, PDB code: 2ddc:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in the Unique Behavior of A Histidine Responsible For An Engineered Green-to- Red Photoconversion Process


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Unique Behavior of A Histidine Responsible For An Engineered Green-to- Red Photoconversion Process within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg1300 b:29.7 occ:1.00 OH A:TYR207 2.3 26.0 1.0 O A:HOH1373 2.4 23.1 1.0 O A:HOH1515 2.4 38.6 1.0 O A:HOH1363 2.6 21.4 1.0 O A:HOH1575 2.8 45.7 1.0 CZ A:TYR207 3.6 21.0 1.0 NE2 A:HIS203 3.9 21.2 1.0 O A:VAL140 4.0 16.9 1.0 O A:HOH1312 4.0 15.2 1.0 CE2 A:TYR207 4.1 18.0 1.0 O A:HOH1462 4.1 34.1 1.0 O A:HOH1507 4.3 38.2 1.0 O A:THR139 4.4 17.4 1.0 O A:HOH1439 4.4 31.0 1.0 CD2 A:HIS203 4.4 21.8 1.0 O A:HOH1445 4.6 31.9 1.0 CE1 A:TYR207 4.7 22.1 1.0 CE1 A:HIS203 4.7 20.9 1.0 C A:VAL140 4.9 16.9 1.0 O A:HOH1344 4.9 18.4 1.0 CA A:VAL140 5.0 15.5 1.0

Magnesium binding site 2 out of 2 in the Unique Behavior of A Histidine Responsible For An Engineered Green-to- Red Photoconversion Process


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Unique Behavior of A Histidine Responsible For An Engineered Green-to- Red Photoconversion Process within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg2300 b:31.3 occ:1.00 O B:HOH2368 2.3 22.4 1.0 O B:HOH2480 2.4 35.3 1.0 OH B:TYR207 2.4 24.6 1.0 O B:HOH2367 2.7 22.3 1.0 CZ B:TYR207 3.7 19.8 1.0 NE2 B:HIS203 4.0 21.7 1.0 O B:VAL140 4.0 16.1 1.0 O B:HOH2314 4.1 15.4 1.0 O B:HOH2476 4.1 34.8 1.0 O B:HOH2525 4.1 39.8 1.0 CE2 B:TYR207 4.2 17.4 1.0 O B:THR139 4.4 16.6 1.0 O B:HOH2434 4.4 30.2 1.0 CD2 B:HIS203 4.5 22.5 1.0 O B:HOH2410 4.5 27.8 1.0 O B:HOH2518 4.7 38.8 1.0 CE1 B:HIS203 4.8 21.1 1.0 CE1 B:TYR207 4.8 21.0 1.0 C B:VAL140 4.8 16.9 1.0 CA B:VAL140 4.9 16.4 1.0 O B:HOH2348 5.0 19.0 1.0

H.Tsutsui, H.Shimizu, H.Mizuno, N.Nukina, T.Furuta, A.Miyawaki. The E1 Mechanism in Photo-Induced Beta-Elimination Reactions For Green-to-Red Conversion of Fluorescent Proteins. Chem.Biol. V. 16 1140 2009.
ISSN: ISSN 1074-5521
PubMed: 19942137
DOI: 10.1016/J.CHEMBIOL.2009.10.010