Potassium in PDB 5ncw: Structure of the Trypsin Induced Serpin-Type Proteinase Inhibitor, Miropin (V367K/K368A Mutant).

The structure of Structure of the Trypsin Induced Serpin-Type Proteinase Inhibitor, Miropin (V367K/K368A Mutant)., PDB code: 5ncw was solved by T.Goulas, M.Ksiazek, I.Garcia-Ferrer, D.Mizgalska, J.Potempa, X.Gomis-Ruth, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	55.75 / 1.50
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	62.600, 74.280, 84.380, 90.00, 90.00, 90.00
R / Rfree (%)	16.3 / 18.3

The structure of Structure of the Trypsin Induced Serpin-Type Proteinase Inhibitor, Miropin (V367K/K368A Mutant). also contains other interesting chemical elements:

Zinc	(Zn)	2 atoms
Iodine	(I)	4 atoms
Chlorine	(Cl)	6 atoms

The binding sites of Potassium atom in the Structure of the Trypsin Induced Serpin-Type Proteinase Inhibitor, Miropin (V367K/K368A Mutant). (pdb code 5ncw). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total only one binding site of Potassium was determined in the Structure of the Trypsin Induced Serpin-Type Proteinase Inhibitor, Miropin (V367K/K368A Mutant)., PDB code: 5ncw:

Potassium binding site 1 out of 1 in the Structure of the Trypsin Induced Serpin-Type Proteinase Inhibitor, Miropin (V367K/K368A Mutant).


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of the Trypsin Induced Serpin-Type Proteinase Inhibitor, Miropin (V367K/K368A Mutant). within 5.0Å range: probe atom residue distance (Å) B Occ A:K503 b:20.8 occ:0.96 O A:HOH959 2.9 43.6 1.0 CL A:CL512 3.0 14.0 1.0 O A:HOH739 3.3 16.2 1.0 O A:HOH920 3.9 59.7 1.0 CB A:HIS19 4.0 18.3 1.0 O A:HIS19 4.0 28.4 1.0 CE A:LYS273 4.3 34.6 0.6 CG A:LYS274 4.3 22.7 0.6 CB A:LYS274 4.3 18.6 0.6 CD1 A:ILE275 4.3 14.6 1.0 CB A:LYS274 4.4 19.4 0.4 CG A:LYS274 4.5 29.8 0.4 C A:HIS19 4.5 24.4 1.0 CG1 A:VAL20 4.6 17.9 1.0 CG1 A:ILE275 4.7 14.8 1.0 CB A:LYS273 4.7 17.6 0.6 CB A:LYS273 4.7 17.7 0.4 O A:GLY270 4.7 14.9 1.0 NZ A:LYS273 4.8 53.0 0.6 N A:LYS274 4.9 16.6 1.0 CG A:HIS19 4.9 20.3 1.0 CA A:HIS19 4.9 18.5 1.0

T.Goulas, M.Ksiazek, I.Garcia-Ferrer, A.M.Sochaj-Gregorczyk, I.Waligorska, M.Wasylewski, J.Potempa, F.X.Gomis-Ruth. A Structure-Derived Snap-Trap Mechanism of A Multispecific Serpin From the Dysbiotic Human Oral Microbiome. J. Biol. Chem. V. 292 10883 2017.
ISSN: ESSN 1083-351X
PubMed: 28512127
DOI: 10.1074/JBC.M117.786533