Calcium in PDB 8q50: Nitrogenase Fe Protein From Methanothermococcus Thermolithotrophicus, Tetragonal Crystalline Form at 1.91-A Resolution

The structure of Nitrogenase Fe Protein From Methanothermococcus Thermolithotrophicus, Tetragonal Crystalline Form at 1.91-A Resolution, PDB code: 8q50 was solved by N.Maslac, T.Wagner, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	52.01 / 1.91
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	98.895, 98.895, 61.149, 90, 90, 90
R / Rfree (%)	20.2 / 23.1

The structure of Nitrogenase Fe Protein From Methanothermococcus Thermolithotrophicus, Tetragonal Crystalline Form at 1.91-A Resolution also contains other interesting chemical elements:

Iron

(Fe)

2 atoms

The binding sites of Calcium atom in the Nitrogenase Fe Protein From Methanothermococcus Thermolithotrophicus, Tetragonal Crystalline Form at 1.91-A Resolution (pdb code 8q50). 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 Nitrogenase Fe Protein From Methanothermococcus Thermolithotrophicus, Tetragonal Crystalline Form at 1.91-A Resolution, PDB code: 8q50:

Calcium binding site 1 out of 1 in the Nitrogenase Fe Protein From Methanothermococcus Thermolithotrophicus, Tetragonal Crystalline Form at 1.91-A Resolution


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Nitrogenase Fe Protein From Methanothermococcus Thermolithotrophicus, Tetragonal Crystalline Form at 1.91-A Resolution within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca301 b:78.8 occ:1.00 O A:HOH456 2.0 67.3 1.0 O A:HOH491 2.2 64.9 1.0 O A:ASP9 2.3 57.7 1.0 C A:ASP9 3.4 57.5 1.0 CA A:ASP9 4.1 60.9 1.0 CB A:ASP9 4.2 56.6 1.0 N A:ALA10 4.5 50.2 1.0 CA A:ALA10 4.7 49.0 1.0

N.Maslac, C.Cadoux, P.Bolte, F.Murken, W.Gu, R.D.Milton, T.Wagner. Structural Comparison of (Hyper-)Thermophilic Nitrogenase Reductases From Three Marine Methanococcales. Febs J. 2024.
ISSN: ISSN 1742-464X
PubMed: 38696373
DOI: 10.1111/FEBS.17148