2026-07-25_00000122|ligand|9NQX

Human Neu2 Sialidase Engineered for Better Half-Life; X-ray diffraction 1.89Å

Protein #1 374 residues (99% resolved)

Raw Sequence ...

LPYLQKESVFQSGAHAYRIPALLYLPGQQSLLAFAEQRRSKKDEHAELIVLRRGDYDAGTHQVQWQAQEVVAQARLDGHRSMNPCPLYDEQTGTLFLFFIAIPGQVTEQQQLQTRANVTRLCYVTSTDHGRTWSSPRDLTDAAIGPAYREWSTFAVGPGHCLQLHDRARSLVVPAYAYRKLHPKQRPIPSAFCFLSHDHGRTWARGHFVAQDTLECQVAEVETGEQRVVTLNARSHLRFRVQAQSTNDGLDFQESQLVKKLVEPPPTGCQGSVISFPSPRSGPGSPAQWLLYTHPTHSWQRADLGAYLNPRPPAPEAWSEPVLLAKGSAAYSDLQSMGTGPDGSPLFGCLYEANDYEEIVFLMFTLKQAFPAEY

Canonical Sequence ...

Non polymer #2 CL

InChI=1S/ClH/h1H/p-1

SMILES: [Cl-]

[Cl-]

Non polymer #3 DAN

InChI=1S/C11H17NO8/c1-4(14)12-8-5(15)2-7(11(18)19)20-10(8)9(17)6(16)3-13/h2,5-6,8-10,13,15-17H,3H2,1H3,(H,12,14)(H,18,19)/t5-,6+,8+,9+,10+/m0/s1

SMILES: CC(=O)N[C@@H]1[C@H](C=C(O[C@H]1[C@@H]([C@@H](CO)O)O)C(=O)O)O

CC(=O)N[C@@H]1[C@H](C=C(O[C@H]1[C@@H]([C@@H](CO)O)O)C(=O)O)O

Non polymer #4 EDO

InChI=1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2

SMILES: C(CO)O

C(CO)O

Biounit #1 monomer

Biounit #2 monomer

Biounit #3 monomer

Reference