Calcium in PDB 4kki: Crystal Structure of Haptocorrin in Complex with Cncbl

The structure of Crystal Structure of Haptocorrin in Complex with Cncbl, PDB code: 4kki was solved by E.Furger, D.C.Frei, R.Schibli, E.Fischer, A.E.Prota, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	49.00 / 2.35
Space group	P 64
Cell size a, b, c (Å), α, β, γ (°)	149.890, 149.890, 57.490, 90.00, 90.00, 120.00
R / Rfree (%)	19.6 / 22.6

The structure of Crystal Structure of Haptocorrin in Complex with Cncbl also contains other interesting chemical elements:

Cobalt

(Co)

1 atom

The binding sites of Calcium atom in the Crystal Structure of Haptocorrin in Complex with Cncbl (pdb code 4kki). 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 Crystal Structure of Haptocorrin in Complex with Cncbl, PDB code: 4kki:

Calcium binding site 1 out of 1 in the Crystal Structure of Haptocorrin in Complex with Cncbl


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of Haptocorrin in Complex with Cncbl within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca509 b:0.7 occ:1.00 O A:HOH725 2.4 63.7 1.0 O A:HOH708 3.4 69.9 1.0 OD1 A:ASP347 3.8 77.2 1.0 OD2 A:ASP347 3.9 60.0 1.0 OE1 A:GLN343 4.0 69.5 1.0 CG A:ASP347 4.3 63.5 1.0 O A:PHE352 4.3 59.2 1.0 N A:PHE352 4.7 57.0 1.0 CA A:GLY351 4.8 56.9 1.0 C A:GLY351 4.8 58.9 1.0 O A:HOH605 4.9 29.3 1.0

E.Furger, D.C.Frei, R.Schibli, E.Fischer, A.E.Prota. Structural Basis For Universal Corrinoid Recognition By the Cobalamin Transport Protein Haptocorrin. J.Biol.Chem. V. 288 25466 2013.
ISSN: ISSN 0021-9258
PubMed: 23846701
DOI: 10.1074/JBC.M113.483271