Calcium in PDB 2iwa: Unbound Glutaminyl Cyclotransferase From Carica Papaya.

All present enzymatic activity of Unbound Glutaminyl Cyclotransferase From Carica Papaya.:
2.3.2.5;

The structure of Unbound Glutaminyl Cyclotransferase From Carica Papaya., PDB code: 2iwa was solved by T.Guevara, N.Mallorqui-Fernandez, R.Garcia-Castellanos, G.E.Petersen, C.Lauritzen, J.Pedersen, J.Arnau, F.X.Gomis-Ruth, M.Sola, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	39.04 / 1.60
Space group	P 65
Cell size a, b, c (Å), α, β, γ (°)	97.740, 97.740, 64.974, 90.00, 90.00, 120.00
R / Rfree (%)	14.8 / 16.8

The binding sites of Calcium atom in the Unbound Glutaminyl Cyclotransferase From Carica Papaya. (pdb code 2iwa). 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 Unbound Glutaminyl Cyclotransferase From Carica Papaya., PDB code: 2iwa:

Calcium binding site 1 out of 1 in the Unbound Glutaminyl Cyclotransferase From Carica Papaya.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Unbound Glutaminyl Cyclotransferase From Carica Papaya. within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca501 b:18.9 occ:1.00 O A:LEU179 2.3 19.3 1.0 OE2 A:GLU180 2.3 19.8 1.0 O A:LEU48 2.3 19.4 1.0 O A:ILE233 2.4 19.7 1.0 O A:HOH2104 2.4 7.5 1.0 OE2 A:GLU178 2.5 18.9 1.0 OE1 A:GLU178 2.6 19.8 1.0 CD A:GLU178 2.9 20.1 1.0 CD A:GLU180 3.4 19.8 1.0 C A:LEU179 3.5 19.4 1.0 C A:LEU48 3.5 19.4 1.0 C A:ILE233 3.6 19.5 1.0 CB A:GLU180 3.8 19.0 1.0 CA A:GLU180 4.0 19.0 1.0 N A:LEU48 4.1 19.2 1.0 CG A:GLU180 4.1 18.9 1.0 N A:GLU180 4.2 18.2 1.0 N A:ILE233 4.2 18.8 1.0 CA A:LEU48 4.3 19.9 1.0 O A:HOH2105 4.3 9.8 1.0 O A:HOH2207 4.3 9.4 1.0 OE1 A:GLU180 4.4 20.5 1.0 CA A:ILE233 4.4 20.0 1.0 CG A:GLU178 4.5 20.1 1.0 CB A:LEU48 4.5 19.5 1.0 N A:LEU179 4.5 19.1 1.0 N A:ALA234 4.6 19.4 1.0 O A:LEU93 4.6 18.7 1.0 CB A:ILE233 4.6 19.2 1.0 N A:VAL49 4.6 19.8 1.0 CA A:LEU179 4.6 19.9 1.0 CA A:ALA234 4.6 19.8 1.0 O A:LEU134 4.7 19.3 1.0 CA A:VAL49 4.9 19.7 1.0

T.Guevara, N.Mallorqui-Fernandez, R.Garcia-Castellanos, S.Garcia-Pique, G.Ebert Petersen, C.Lauritzen, J.Pedersen, J.Arnau, F.X.Gomis-Ruth, M.Sola. Papaya Glutamine Cyclotransferase Shows A Singular Five-Fold Beta-Propeller Architecture That Suggests A Novel Reaction Mechanism. Biol.Chem. V. 387 1479 2006.
ISSN: ISSN 1431-6730
PubMed: 17081122
DOI: 10.1515/BC.2006.185