Zinc in PDB 2x3a: ASAP1 Inactive Mutant E294Q, An Extracellular Toxic Zinc Metalloendopeptidase

All present enzymatic activity of ASAP1 Inactive Mutant E294Q, An Extracellular Toxic Zinc Metalloendopeptidase:
3.4.24.39;

The structure of ASAP1 Inactive Mutant E294Q, An Extracellular Toxic Zinc Metalloendopeptidase, PDB code: 2x3a was solved by X.Bogdanovic, G.J.Palm, R.K.Singh, W.Hinrichs, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	57.60 / 2.00
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	98.249, 74.468, 54.703, 90.00, 112.35, 90.00
R / Rfree (%)	17 / 20.5

The binding sites of Zinc atom in the ASAP1 Inactive Mutant E294Q, An Extracellular Toxic Zinc Metalloendopeptidase (pdb code 2x3a). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total only one binding site of Zinc was determined in the ASAP1 Inactive Mutant E294Q, An Extracellular Toxic Zinc Metalloendopeptidase, PDB code: 2x3a:

Zinc binding site 1 out of 1 in the ASAP1 Inactive Mutant E294Q, An Extracellular Toxic Zinc Metalloendopeptidase


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of ASAP1 Inactive Mutant E294Q, An Extracellular Toxic Zinc Metalloendopeptidase within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn1341 b:37.5 occ:0.40 NE2 A:HIS293 1.8 26.4 1.0 OD2 A:ASP306 2.0 17.9 0.4 NE2 A:HIS297 2.3 23.0 1.0 CE1 A:HIS293 2.7 16.8 1.0 CG A:ASP306 2.7 31.8 0.4 OD1 A:ASP306 2.8 26.2 0.4 CD2 A:HIS293 3.0 15.9 1.0 CE1 A:HIS297 3.3 21.9 1.0 CD2 A:HIS297 3.3 20.9 1.0 O A:HOH2186 3.8 27.9 1.0 ND1 A:HIS293 3.8 21.9 1.0 OE1 A:GLN294 3.9 25.9 1.0 CG A:HIS293 4.0 18.4 1.0 CB A:ALA329 4.1 23.2 1.0 CB A:ASP306 4.2 37.0 0.4 O A:HOH2173 4.4 26.6 1.0 ND1 A:HIS297 4.4 23.9 1.0 CG A:HIS297 4.5 20.2 1.0 CB A:ASP306 5.0 38.2 0.6 CA A:ASP306 5.0 36.9 0.4

X.Bogdanovic, G.J.Palm, J.Schwenteit, R.K.Singh, B.K.Gudmundsdottir, W.Hinrichs. Structural Evidence of Intramolecular Propeptide Inhibition of the Aspzincin Metalloendopeptidase ASAP1. Febs Lett. V. 590 3280 2016.
ISSN: ISSN 0014-5793
PubMed: 27528449
DOI: 10.1002/1873-3468.12356