Arsenic in PDB 5hxd: Crystal Structure of Murein-Tripeptide Amidase Mpaa From Escherichia Coli O157

The structure of Crystal Structure of Murein-Tripeptide Amidase Mpaa From Escherichia Coli O157, PDB code: 5hxd was solved by Y.Ma, G.Bai, X.Zhang, J.Zhao, Z.Yuan, X.Kang, Z.Li, S.Mu, X.Liu, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	33.24 / 2.60
Space group	P 31
Cell size a, b, c (Å), α, β, γ (°)	59.893, 59.893, 129.870, 90.00, 90.00, 120.00
R / Rfree (%)	17.2 / 24

The structure of Crystal Structure of Murein-Tripeptide Amidase Mpaa From Escherichia Coli O157 also contains other interesting chemical elements:

Zinc

(Zn)

2 atoms

The binding sites of Arsenic atom in the Crystal Structure of Murein-Tripeptide Amidase Mpaa From Escherichia Coli O157 (pdb code 5hxd). This binding sites where shown within 5.0 Angstroms radius around Arsenic atom.
In total 2 binding sites of Arsenic where determined in the Crystal Structure of Murein-Tripeptide Amidase Mpaa From Escherichia Coli O157, PDB code: 5hxd:
Jump to Arsenic binding site number: 1; 2;

Arsenic binding site 1 out of 2 in the Crystal Structure of Murein-Tripeptide Amidase Mpaa From Escherichia Coli O157


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 1 of Crystal Structure of Murein-Tripeptide Amidase Mpaa From Escherichia Coli O157 within 5.0Å range: probe atom residue distance (Å) B Occ A:As302 b:0.1 occ:0.76 AS A:CAC302 0.0 0.1 0.8 O1 A:CAC302 1.7 58.0 0.8 O2 A:CAC302 1.8 56.0 0.8 C2 A:CAC302 1.9 52.3 0.8 C1 A:CAC302 1.9 60.2 0.8 ZN A:ZN301 3.5 72.8 0.8 ND2 A:ASN98 3.8 39.3 1.0 OH A:TYR189 3.9 64.2 1.0 OE2 A:GLU210 4.0 55.5 1.0 CD2 A:HIS157 4.4 54.9 1.0 CE1 A:HIS49 4.5 47.5 1.0 NE2 A:HIS157 4.8 50.0 1.0 NH2 A:ARG99 4.8 42.5 1.0 NH1 A:ARG99 4.8 39.7 1.0 CZ A:TYR189 4.9 60.0 1.0 NH2 A:ARG89 4.9 42.6 1.0 CG2 A:THR191 4.9 45.2 1.0 CG A:ASN98 5.0 38.3 1.0

Arsenic binding site 2 out of 2 in the Crystal Structure of Murein-Tripeptide Amidase Mpaa From Escherichia Coli O157


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 2 of Crystal Structure of Murein-Tripeptide Amidase Mpaa From Escherichia Coli O157 within 5.0Å range: probe atom residue distance (Å) B Occ B:As302 b:97.0 occ:0.61 AS B:CAC302 0.0 97.0 0.6 O1 B:CAC302 1.7 48.5 0.6 O2 B:CAC302 1.8 59.4 0.6 C1 B:CAC302 1.9 69.3 0.6 C2 B:CAC302 1.9 60.6 0.6 NH1 B:ARG99 3.9 57.0 1.0 ZN B:ZN301 3.9 75.8 0.6 ND2 B:ASN98 4.0 52.1 1.0 NH2 B:ARG89 4.3 50.2 1.0 NH2 B:ARG99 4.4 59.9 1.0 CE1 B:HIS49 4.6 49.6 1.0 CZ B:ARG99 4.6 57.0 1.0

Y.Ma, G.Bai, Y.Cui, J.Zhao, Z.Yuan, X.Liu. Crystal Structure of Murein-Tripeptide Amidase Mpaa From Escherichia Coli O157 at 2.6 Angstrom Resolution Protein Pept.Lett. V. 24 181 2017.
ISSN: ISSN 0929-8665
PubMed: 27894248
DOI: 10.2174/0929866523666161128153128