Potassium in PDB 9j07: Acetyl Xylan Esterase B From Aspergillus Oryzae (Aoaxeb), Apo Form

All present enzymatic activity of Acetyl Xylan Esterase B From Aspergillus Oryzae (Aoaxeb), Apo Form:
3.1.1.73;

The structure of Acetyl Xylan Esterase B From Aspergillus Oryzae (Aoaxeb), Apo Form, PDB code: 9j07 was solved by C.Yamada, T.Koseki, S.Fushinobu, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	47.45 / 1.75
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	57.614, 63.529, 83.417, 90, 90, 90
R / Rfree (%)	16.4 / 19.9

The binding sites of Potassium atom in the Acetyl Xylan Esterase B From Aspergillus Oryzae (Aoaxeb), Apo Form (pdb code 9j07). 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 Acetyl Xylan Esterase B From Aspergillus Oryzae (Aoaxeb), Apo Form, PDB code: 9j07:

Potassium binding site 1 out of 1 in the Acetyl Xylan Esterase B From Aspergillus Oryzae (Aoaxeb), Apo Form


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Acetyl Xylan Esterase B From Aspergillus Oryzae (Aoaxeb), Apo Form within 5.0Å range: probe atom residue distance (Å) B Occ A:K405 b:23.5 occ:1.00 O A:ASN295 2.7 17.3 1.0 O4 A:PGE401 2.8 23.4 1.0 O3 A:PGE401 2.9 26.2 1.0 O A:HOH607 3.0 17.6 1.0 O2 A:PGE401 3.0 28.2 1.0 O A:GLY296 3.1 14.9 1.0 O1 A:PGE401 3.1 27.9 1.0 C A:ASN295 3.6 16.9 1.0 C A:GLY296 3.7 15.2 1.0 C5 A:PGE401 3.7 23.5 1.0 C6 A:PGE401 3.7 23.4 1.0 C4 A:PGE401 3.7 28.0 1.0 C1 A:PGE401 3.8 27.6 1.0 C3 A:PGE401 3.9 27.7 1.0 C2 A:PGE401 4.0 28.3 1.0 CA A:GLY296 4.2 15.8 1.0 N A:GLY296 4.3 15.6 1.0 O A:HOH810 4.3 29.8 1.0 N A:THR297 4.4 13.5 1.0 CB A:ASN295 4.5 18.0 1.0 CA A:ASN295 4.6 17.7 1.0 O A:HOH538 4.6 27.0 1.0 CA A:THR297 4.7 13.4 1.0 O A:THR297 4.9 12.9 1.0

C.Yamada, T.Kato, Y.Shiono, T.Koseki, S.Fushinobu. Identification and Structural Characterization of A Novel Acetyl Xylan Esterase From Aspergillus Oryzae. Febs J. 2025.
ISSN: ISSN 1742-464X
PubMed: 39876052
DOI: 10.1111/FEBS.17420