Calcium in PDB 5u5i: The Dimeric Crystal Structure of the Selenomethionine Derivative of Htpa Reductase From Sellaginella Moellendorffii

The structure of The Dimeric Crystal Structure of the Selenomethionine Derivative of Htpa Reductase From Sellaginella Moellendorffii, PDB code: 5u5i was solved by J.R.Keown, D.C.Goldstone, F.G.Pearce, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	48.91 / 2.20
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	63.922, 64.676, 151.957, 90.00, 90.00, 90.00
R / Rfree (%)	20 / 24.5

The binding sites of Calcium atom in the The Dimeric Crystal Structure of the Selenomethionine Derivative of Htpa Reductase From Sellaginella Moellendorffii (pdb code 5u5i). 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 The Dimeric Crystal Structure of the Selenomethionine Derivative of Htpa Reductase From Sellaginella Moellendorffii, PDB code: 5u5i:

Calcium binding site 1 out of 1 in the The Dimeric Crystal Structure of the Selenomethionine Derivative of Htpa Reductase From Sellaginella Moellendorffii


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of The Dimeric Crystal Structure of the Selenomethionine Derivative of Htpa Reductase From Sellaginella Moellendorffii within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca302 b:42.0 occ:1.00 NH2 A:ARG50 3.2 37.4 1.0 O A:HOH418 3.4 23.7 1.0 CD A:LYS53 3.5 31.7 1.0 CE A:LYS53 3.5 33.9 1.0 NZ A:LYS53 3.7 34.2 1.0 CB A:THR22 3.7 25.4 1.0 OG1 A:THR22 4.0 26.2 1.0 CG2 A:THR22 4.0 25.0 1.0 CZ A:ARG50 4.2 38.9 1.0 NE A:ARG50 4.3 37.8 1.0 O A:THR22 4.9 26.7 1.0 CG A:LYS53 4.9 31.8 1.0 CA A:THR22 5.0 24.4 1.0

S.A.J.Watkin, J.R.Keown, E.Richards, D.C.Goldstone, S.R.A.Devenish, F.Grant Pearce. Plant Dhdpr Forms A Dimer with Unique Secondary Structure Features That Preclude Higher-Order Assembly. Biochem. J. V. 475 137 2018.
ISSN: ESSN 1470-8728
PubMed: 29187521
DOI: 10.1042/BCJ20170709