Calcium in PDB 4m93: Unliganded 2 Crystal Structure of S25-26 Fab

The structure of Unliganded 2 Crystal Structure of S25-26 Fab, PDB code: 4m93 was solved by O.Haji-Ghassemi, S.V.Evans, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	24.87 / 2.09
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	118.894, 88.806, 101.890, 90.00, 102.06, 90.00
R / Rfree (%)	21.8 / 25.1

The binding sites of Calcium atom in the Unliganded 2 Crystal Structure of S25-26 Fab (pdb code 4m93). 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 Unliganded 2 Crystal Structure of S25-26 Fab, PDB code: 4m93:

Calcium binding site 1 out of 1 in the Unliganded 2 Crystal Structure of S25-26 Fab


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Unliganded 2 Crystal Structure of S25-26 Fab within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca302 b:48.5 occ:1.00 O B:HOH471 2.1 47.1 1.0 O B:HOH470 2.3 32.3 1.0 OD1 B:ASP58 2.5 47.1 1.0 O B:HOH462 2.6 35.6 1.0 O B:THR57 2.6 49.6 1.0 CG B:ASP58 3.4 45.1 1.0 C B:THR57 3.7 47.0 1.0 OD2 B:ASP58 4.0 43.6 1.0 O B:HOH475 4.2 39.9 1.0 CA B:ASP58 4.3 43.8 1.0 N B:ASP58 4.3 43.9 1.0 CB B:ASP58 4.4 43.4 1.0 N B:THR57 4.7 48.1 1.0 CA B:THR57 4.8 46.9 1.0 CB B:SER56 4.9 52.0 1.0 OG B:SER56 4.9 50.5 1.0

O.Haji-Ghassemi, S.Muller-Loennies, R.Saldova, M.Muniyappa, L.Brade, P.M.Rudd, D.J.Harvey, P.Kosma, H.Brade, S.V.Evans. Groove-Type Recognition of Chlamydiaceae-Specific Lipopolysaccharide Antigen By A Family of Antibodies Possessing An Unusual Variable Heavy Chain N-Linked Glycan. J.Biol.Chem. V. 289 16644 2014.
ISSN: ISSN 0021-9258
PubMed: 24682362
DOI: 10.1074/JBC.M113.528224