6K2Q:
reference: Crystal Structure of Aeromonas hydrophila Cytoplasmic 5'-Methylthioadenosine/S-Adenosylhomocysteine Nucleosidase., Chen J, Liu W, Wang L, Shang F, Chen Y, Lan J, Gao P, Ha NC, Quan C, Nam KH, Xu Y, Biochemistry. 2019 Jul 23;58(29):3136-3143. doi: 10.1021/acs.biochem.9b00174., Epub 2019 Jul 10. PMID: 31274299

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).