Calcium in PDB 4e0s: Crystal Structure of C5B-6

The structure of Crystal Structure of C5B-6, PDB code: 4e0s was solved by A.E.Aleshin, B.Stec, R.Discipio, R.C.Liddington, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	29.93 / 4.21
Space group	I 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	158.949, 227.529, 278.157, 90.00, 90.00, 90.00
R / Rfree (%)	21.8 / 27.8

The structure of Crystal Structure of C5B-6 also contains other interesting chemical elements:

Sodium

(Na)

1 atom

The binding sites of Calcium atom in the Crystal Structure of C5B-6 (pdb code 4e0s). 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 C5B-6, PDB code: 4e0s:

Calcium binding site 1 out of 1 in the Crystal Structure of C5B-6


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 C5B-6 within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca1001 b:0.7 occ:0.50 OD1 B:ASN138 2.3 0.3 1.0 OD1 B:ASP148 2.3 0.3 1.0 OD2 B:ASP142 2.3 1.0 1.0 OE1 B:GLU149 2.3 0.6 1.0 O B:LEU135 2.3 0.2 1.0 O B:GLU140 2.3 0.5 1.0 CG B:ASN138 3.0 0.1 1.0 CD B:GLU149 3.1 1.0 1.0 OE2 B:GLU149 3.1 0.5 1.0 ND2 B:ASN138 3.3 0.6 1.0 CG B:ASP148 3.3 0.9 1.0 CG B:ASP142 3.4 0.6 1.0 C B:GLU140 3.5 0.0 1.0 C B:LEU135 3.5 0.7 1.0 CB B:ASP142 3.7 0.1 1.0 OD2 B:ASP148 3.9 0.8 1.0 N B:ASP142 3.9 0.4 1.0 N B:GLU140 4.0 0.8 1.0 CA B:GLU140 4.1 0.8 1.0 CB B:GLU140 4.2 0.9 1.0 CB B:ASN138 4.2 0.9 1.0 N B:ASN138 4.2 0.2 1.0 CA B:LEU135 4.4 0.2 1.0 CB B:ASP148 4.4 0.6 1.0 CA B:ASP142 4.4 0.6 1.0 O B:ASP148 4.4 0.2 1.0 OD1 B:ASP142 4.5 0.8 1.0 N B:GLU136 4.5 0.3 1.0 CG B:GLU149 4.5 0.1 1.0 CB B:LEU135 4.5 1.0 1.0 CA B:ASN138 4.6 0.0 1.0 N B:ASN141 4.6 0.7 1.0 CA B:GLU136 4.7 0.3 1.0 C B:ASN138 4.7 0.4 1.0 N B:CYS137 4.7 0.1 1.0 C B:ASN141 4.8 0.7 1.0 C B:GLU136 4.8 0.3 1.0 N B:GLY139 4.8 0.4 1.0 C B:ASP148 4.9 0.3 1.0 CA B:ASN141 4.9 0.6 1.0 CB B:GLU149 4.9 0.0 1.0

A.E.Aleshin, R.G.Discipio, B.Stec, R.C.Liddington. Crystal Structure of C5B-6 Suggests Structural Basis For Priming Assembly of the Membrane Attack Complex. J.Biol.Chem. V. 287 19642 2012.
ISSN: ISSN 0021-9258
PubMed: 22500023
DOI: 10.1074/JBC.M112.361121