Sodium in PDB 4rsr: Arsm Arsenic(III) S-Adenosylmethionine Methyltransferase with Trivalent Phenyl Arsencial Derivative-Roxarsone

The structure of Arsm Arsenic(III) S-Adenosylmethionine Methyltransferase with Trivalent Phenyl Arsencial Derivative-Roxarsone, PDB code: 4rsr was solved by C.Packianathan, K.Marapakala, A.A.Ajees, P.Kandavelu, B.P.Rosen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	39.70 / 2.25
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	85.156, 46.406, 100.255, 90.00, 114.07, 90.00
R / Rfree (%)	17.3 / 22.4

The structure of Arsm Arsenic(III) S-Adenosylmethionine Methyltransferase with Trivalent Phenyl Arsencial Derivative-Roxarsone also contains other interesting chemical elements:

Magnesium	(Mg)	1 atom
Arsenic	(As)	1 atom
Calcium	(Ca)	2 atoms

The binding sites of Sodium atom in the Arsm Arsenic(III) S-Adenosylmethionine Methyltransferase with Trivalent Phenyl Arsencial Derivative-Roxarsone (pdb code 4rsr). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total only one binding site of Sodium was determined in the Arsm Arsenic(III) S-Adenosylmethionine Methyltransferase with Trivalent Phenyl Arsencial Derivative-Roxarsone, PDB code: 4rsr:

Sodium binding site 1 out of 1 in the Arsm Arsenic(III) S-Adenosylmethionine Methyltransferase with Trivalent Phenyl Arsencial Derivative-Roxarsone


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Arsm Arsenic(III) S-Adenosylmethionine Methyltransferase with Trivalent Phenyl Arsencial Derivative-Roxarsone within 5.0Å range: probe atom residue distance (Å) B Occ A:Na405 b:35.9 occ:1.00 O A:HOH619 2.3 26.1 1.0 OG A:SER102 3.1 38.6 1.0 N A:ALA132 3.4 30.6 1.0 C A:HIS131 3.5 31.1 1.0 O A:HIS131 3.6 35.2 1.0 CA A:ALA132 3.7 34.4 1.0 OD1 A:ASN143 3.8 29.0 1.0 CB A:HIS131 3.8 30.1 1.0 CE2 A:PHE136 3.9 43.1 1.0 CD2 A:PHE135 3.9 38.4 1.0 CB A:SER102 4.1 33.4 1.0 CG1 A:VAL144 4.1 27.1 1.0 CD2 A:PHE136 4.1 43.1 1.0 CA A:HIS131 4.3 31.9 1.0 OG A:SER142 4.3 38.5 1.0 CB A:ALA132 4.4 33.9 1.0 N A:ASN143 4.4 31.0 1.0 O A:VAL128 4.5 36.8 1.0 CA A:SER142 4.5 36.7 1.0 CE2 A:PHE135 4.6 35.5 1.0 CB A:PHE135 4.6 36.4 1.0 CG A:PHE135 4.7 41.8 1.0 CD1 A:TYR99 4.7 19.5 1.0 CB A:SER142 4.8 38.7 1.0 CG A:ASN143 4.9 29.2 1.0 C A:ALA132 4.9 35.8 1.0 CE1 A:TYR99 5.0 18.0 1.0 CZ A:PHE136 5.0 43.4 1.0

C.Packianathan, K.Marapakala, A.A.Ajees, P.Kandavelu, B.P.Rosen. A Disulfide Bond Cascade Mechanism For As(III) S-Adenosylmethionine Methyltransferases To Be Published.