Calcium in PDB 4c1m: Myeloperoxidase in Complex with the Revesible Inhibitor HX1

All present enzymatic activity of Myeloperoxidase in Complex with the Revesible Inhibitor HX1:
1.11.1.7; 1.11.2.2;

The structure of Myeloperoxidase in Complex with the Revesible Inhibitor HX1, PDB code: 4c1m was solved by L.V.Forbes, T.Sjogren, F.Auchere, D.W.Jenkins, B.Thong, D.Laughton, P.Hemsley, G.Pairaudeau, H.Eriksson, J.F.Unitt, A.J.Kettle, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	50.00 / 2.00
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	111.279, 63.440, 92.381, 90.00, 97.36, 90.00
R / Rfree (%)	22.243 / 27.754

The structure of Myeloperoxidase in Complex with the Revesible Inhibitor HX1 also contains other interesting chemical elements:

Fluorine	(F)	12 atoms
Iron	(Fe)	2 atoms
Chlorine	(Cl)	2 atoms

The binding sites of Calcium atom in the Myeloperoxidase in Complex with the Revesible Inhibitor HX1 (pdb code 4c1m). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Myeloperoxidase in Complex with the Revesible Inhibitor HX1, PDB code: 4c1m:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Myeloperoxidase in Complex with the Revesible Inhibitor HX1


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Myeloperoxidase in Complex with the Revesible Inhibitor HX1 within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca1579 b:4.7 occ:1.00 O A:ASP96 2.3 6.8 1.0 OG1 C:THR168 2.3 5.2 1.0 O C:PHE170 2.3 5.7 1.0 O C:THR168 2.4 4.6 1.0 OD1 C:ASP172 2.5 5.8 1.0 OG C:SER174 2.5 5.9 1.0 OD1 A:ASP96 2.6 9.0 1.0 C C:THR168 3.3 5.1 1.0 CB C:SER174 3.3 5.5 1.0 C A:ASP96 3.4 6.1 1.0 CG C:ASP172 3.4 6.1 1.0 C C:PHE170 3.5 5.6 1.0 CB C:THR168 3.6 5.1 1.0 CG A:ASP96 3.8 8.1 1.0 OD2 C:ASP172 3.8 6.6 1.0 N C:PHE170 3.9 5.5 1.0 CA C:THR168 3.9 4.9 1.0 C C:SER169 4.0 5.7 1.0 CA A:ASP96 4.2 5.9 1.0 N C:THR168 4.2 4.8 1.0 CA C:PHE170 4.2 5.8 1.0 N C:SER169 4.3 5.2 1.0 N C:SER174 4.3 5.9 1.0 N C:ASP172 4.3 4.7 1.0 O C:SER169 4.3 5.4 1.0 CA C:SER174 4.4 5.7 1.0 N A:LEU97 4.4 6.1 1.0 CB A:ASP96 4.5 6.8 1.0 N C:VAL171 4.6 5.0 1.0 O A:HOH2094 4.6 4.3 1.0 CA C:SER169 4.6 5.4 1.0 CA A:LEU97 4.6 6.0 1.0 CG2 C:THR168 4.6 5.0 1.0 CB C:ASP172 4.6 5.6 1.0 OD2 A:ASP96 4.7 8.6 1.0 CB C:PHE170 4.7 6.1 1.0 CA C:VAL171 4.8 4.8 1.0 CA C:ASP172 4.9 5.4 1.0

Calcium binding site 2 out of 2 in the Myeloperoxidase in Complex with the Revesible Inhibitor HX1


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Myeloperoxidase in Complex with the Revesible Inhibitor HX1 within 5.0Å range: probe atom residue distance (Å) B Occ D:Ca1579 b:7.5 occ:1.00 O B:ASP96 2.2 8.2 1.0 OG D:SER174 2.3 9.3 1.0 O D:THR168 2.3 5.4 1.0 O D:PHE170 2.3 5.8 1.0 OD1 D:ASP172 2.4 12.1 1.0 OD1 B:ASP96 2.4 13.4 1.0 OG1 D:THR168 2.5 6.5 1.0 C D:THR168 3.2 5.6 1.0 C B:ASP96 3.3 8.2 1.0 CB D:SER174 3.5 8.7 1.0 CG D:ASP172 3.5 12.5 1.0 C D:PHE170 3.5 5.8 1.0 CG B:ASP96 3.6 11.0 1.0 CB D:THR168 3.7 6.2 1.0 CA D:THR168 3.8 5.5 1.0 OD2 D:ASP172 3.9 14.5 1.0 N D:PHE170 3.9 5.1 1.0 CA B:ASP96 4.0 8.7 1.0 N D:THR168 4.0 6.0 1.0 C D:SER169 4.1 5.5 1.0 CA D:PHE170 4.2 5.3 1.0 N D:ASP172 4.2 9.3 1.0 N D:SER174 4.3 8.8 1.0 N D:SER169 4.3 5.2 1.0 CB B:ASP96 4.3 9.5 1.0 N B:LEU97 4.3 8.1 1.0 O D:SER169 4.4 6.2 1.0 CA D:SER174 4.4 8.7 1.0 O B:HOH2093 4.6 8.4 1.0 N D:VAL171 4.6 6.9 1.0 OD2 B:ASP96 4.6 11.6 1.0 CA D:SER169 4.6 5.4 1.0 CA B:LEU97 4.6 8.3 1.0 CB D:ASP172 4.7 11.1 1.0 CB D:PHE170 4.8 5.4 1.0 CG2 D:THR168 4.8 6.4 1.0 CA D:VAL171 4.9 7.7 1.0 CA D:ASP172 4.9 9.9 1.0

L.V.Forbes, T.Sjogren, F.Auchere, D.W.Jenkins, B.Thong, D.Laughton, P.Hemsley, G.Pairaudeau, R.Turner, H.Eriksson, J.F.Unitt, A.J.Kettle. Potent Reversible Inhibition of Myeloperoxidase By Aromatic Hydroxamates J.Biol.Chem. V. 288 36636 2013.
ISSN: ISSN 0021-9258
PubMed: 24194519
DOI: 10.1074/JBC.M113.507756