Calcium in PDB 6ayb: Naegleria Fowleri CYP51-Ketoconazole Complex

The structure of Naegleria Fowleri CYP51-Ketoconazole Complex, PDB code: 6ayb was solved by A.Debnath, C.M.Calvet, G.Jennings, W.Zhou, A.Aksenov, M.Luth, R.Abagyan, W.D.Nes, J.H.Mckerrow, L.M.Podust, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	70.50 / 1.87
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	119.210, 55.250, 71.620, 90.00, 100.13, 90.00
R / Rfree (%)	24.3 / 28.4

The structure of Naegleria Fowleri CYP51-Ketoconazole Complex also contains other interesting chemical elements:

Iron	(Fe)	1 atom
Chlorine	(Cl)	2 atoms

The binding sites of Calcium atom in the Naegleria Fowleri CYP51-Ketoconazole Complex (pdb code 6ayb). 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 Naegleria Fowleri CYP51-Ketoconazole Complex, PDB code: 6ayb:

Calcium binding site 1 out of 1 in the Naegleria Fowleri CYP51-Ketoconazole Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Naegleria Fowleri CYP51-Ketoconazole Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca507 b:71.9 occ:1.00 O A:LEU84 2.9 52.3 1.0 N A:SER385 3.2 46.1 1.0 O A:SER385 3.3 46.8 1.0 CA A:ASN85 3.6 61.5 1.0 O A:HOH670 3.6 43.2 1.0 C A:ASN85 3.9 65.2 1.0 C A:LEU84 3.9 55.2 1.0 CA A:SER385 4.0 45.4 1.0 C A:SER385 4.0 44.1 1.0 O A:ASN85 4.0 68.3 1.0 CB A:SER385 4.2 47.2 1.0 C A:VAL384 4.2 42.2 1.0 CA A:VAL384 4.2 42.3 1.0 N A:ASN85 4.2 58.3 1.0 CB A:VAL388 4.3 51.0 1.0 CG1 A:VAL384 4.3 41.9 1.0 CG1 A:VAL388 4.4 56.2 1.0 N A:HIS86 4.5 65.8 1.0 CB A:ASN85 4.7 63.0 1.0 CB A:VAL384 4.7 41.9 1.0 N A:ALA389 4.8 44.7 1.0 ND2 A:ASN85 4.9 60.6 1.0 CG2 A:VAL384 4.9 44.5 1.0

A.Debnath, C.M.Calvet, G.Jennings, W.Zhou, A.Aksenov, M.R.Luth, R.Abagyan, W.D.Nes, J.H.Mckerrow, L.M.Podust. CYP51 Is An Essential Drug Target For the Treatment of Primary Amoebic Meningoencephalitis (Pam). Plos Negl Trop Dis V. 11 06104 2017.
ISSN: ESSN 1935-2735
PubMed: 29284029
DOI: 10.1371/JOURNAL.PNTD.0006104