Calcium in PDB 4yx1: Spao(SPOA2)

The structure of Spao(SPOA2), PDB code: 4yx1 was solved by R.Q.Notti, C.E.Stebbins, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	31.26 / 1.35
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	35.000, 41.270, 48.000, 90.00, 103.92, 90.00
R / Rfree (%)	17.2 / 20.5

The binding sites of Calcium atom in the Spao(SPOA2) (pdb code 4yx1). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Spao(SPOA2), PDB code: 4yx1:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Spao(SPOA2)


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Spao(SPOA2) within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca101 b:14.2 occ:1.00 O B:HOH219 2.3 26.0 1.0 O B:HOH267 2.4 22.4 1.0 OE1 B:GLU53 2.4 15.6 1.0 O B:HOH265 2.5 28.2 1.0 OE2 B:GLU53 2.5 15.4 1.0 CD B:GLU53 2.8 14.6 1.0 CA B:CA102 4.0 14.1 1.0 O B:HOH266 4.2 21.3 1.0 OE1 B:GLU64 4.3 17.1 1.0 O B:HOH282 4.3 39.5 1.0 CG B:GLU53 4.3 12.2 1.0 O B:HOH208 4.6 37.8 1.0 NE2 B:HIS66 4.6 20.8 1.0 CE1 B:HIS66 4.8 21.3 1.0

Calcium binding site 2 out of 2 in the Spao(SPOA2)


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Spao(SPOA2) within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca102 b:14.1 occ:1.00 OE2 B:GLU53 2.3 15.4 1.0 O B:HOH266 2.4 21.3 1.0 O B:HOH235 2.5 17.1 1.0 CD B:GLU53 3.4 14.6 1.0 CA B:CA101 4.0 14.2 1.0 CG B:GLU53 4.0 12.2 1.0 O B:LEU54 4.2 11.6 1.0 O B:HOH267 4.2 22.4 1.0 CD2 B:LEU38 4.4 17.8 1.0 OE1 B:GLU53 4.4 15.6 1.0 O B:HOH219 4.6 26.0 1.0 O B:HOH309 4.7 40.2 1.0

R.Q.Notti, S.Bhattacharya, M.Lilic, C.E.Stebbins. A Common Assembly Module in Injectisome and Flagellar Type III Secretion Sorting Platforms. Nat Commun V. 6 7125 2015.
ISSN: ESSN 2041-1723
PubMed: 25994170
DOI: 10.1038/NCOMMS8125