Crystal Structure of Anti-Fentanyl Antibody HY11-6B2_Mu Fab in Complex with Fentanyl


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
P [auth R]Reovirus_L2_GTasee9axnR1 A: alpha arraysX: Hypothetical protein YqbG-likeH: Hypothetical protein YqbG-likeT: alpha/beta-HydrolasesF: Reovirus_L2_GTaseECOD (v295.2)
N [auth P]Reovirus_L2_GTasee9axnP1 A: alpha arraysX: Hypothetical protein YqbG-likeH: Hypothetical protein YqbG-likeT: alpha/beta-HydrolasesF: Reovirus_L2_GTaseECOD (v295.2)
L [auth N]Reovirus_L2_GTasee9axnN1 A: alpha arraysX: Hypothetical protein YqbG-likeH: Hypothetical protein YqbG-likeT: alpha/beta-HydrolasesF: Reovirus_L2_GTaseECOD (v295.2)
I [auth J]Reovirus_L2_GTasee9axnJ1 A: alpha arraysX: Hypothetical protein YqbG-likeH: Hypothetical protein YqbG-likeT: alpha/beta-HydrolasesF: Reovirus_L2_GTaseECOD (v295.2)
H [auth F]Reovirus_L2_GTasee9axnF1 A: alpha arraysX: Hypothetical protein YqbG-likeH: Hypothetical protein YqbG-likeT: alpha/beta-HydrolasesF: Reovirus_L2_GTaseECOD (v295.2)
F [auth B]Reovirus_L2_GTasee9axnB1 A: alpha arraysX: Hypothetical protein YqbG-likeH: Hypothetical protein YqbG-likeT: alpha/beta-HydrolasesF: Reovirus_L2_GTaseECOD (v295.2)
E [auth D]Reovirus_L2_GTasee9axnD1 A: alpha arraysX: Hypothetical protein YqbG-likeH: Hypothetical protein YqbG-likeT: alpha/beta-HydrolasesF: Reovirus_L2_GTaseECOD (v295.2)
B [auth L]GFO_IDH_MocAe9axnL01 A: alpha arraysX: Hypothetical protein YqbG-likeH: Hypothetical protein YqbG-likeT: alpha/beta-HydrolasesF: GFO_IDH_MocAECOD (v295.2)
O [auth Q]Reovirus_L2_GTasee9axnQ1 A: alpha arraysX: Hypothetical protein YqbG-likeH: Hypothetical protein YqbG-likeT: alpha/beta-HydrolasesF: Reovirus_L2_GTaseECOD (v295.2)
M [auth O]Reovirus_L2_GTasee9axnO1 A: alpha arraysX: Hypothetical protein YqbG-likeH: Hypothetical protein YqbG-likeT: alpha/beta-HydrolasesF: Reovirus_L2_GTaseECOD (v295.2)
K [auth M]Reovirus_L2_GTasee9axnM1 A: alpha arraysX: Hypothetical protein YqbG-likeH: Hypothetical protein YqbG-likeT: alpha/beta-HydrolasesF: Reovirus_L2_GTaseECOD (v295.2)
J [auth I]Reovirus_L2_GTasee9axnI1 A: alpha arraysX: Hypothetical protein YqbG-likeH: Hypothetical protein YqbG-likeT: alpha/beta-HydrolasesF: Reovirus_L2_GTaseECOD (v295.2)
G [auth E]Reovirus_L2_GTasee9axnE1 A: alpha arraysX: Hypothetical protein YqbG-likeH: Hypothetical protein YqbG-likeT: alpha/beta-HydrolasesF: Reovirus_L2_GTaseECOD (v295.2)
D [auth C]Reovirus_L2_GTasee9axnC1 A: alpha arraysX: Hypothetical protein YqbG-likeH: Hypothetical protein YqbG-likeT: alpha/beta-HydrolasesF: Reovirus_L2_GTaseECOD (v295.2)
C [auth A]Reovirus_L2_GTasee9axnA1 A: alpha arraysX: Hypothetical protein YqbG-likeH: Hypothetical protein YqbG-likeT: alpha/beta-HydrolasesF: Reovirus_L2_GTaseECOD (v295.2)
A [auth H]GFO_IDH_MocAe9axnH01 A: alpha arraysX: Hypothetical protein YqbG-likeH: Hypothetical protein YqbG-likeT: alpha/beta-HydrolasesF: GFO_IDH_MocAECOD (v295.2)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
Light ChainIGKV6 KappaN-phenyl-N-[1-(2-phenylethyl)piperidin-4-yl]propanamideSAbDab (2026-08-21)
Heavy ChainIGHV1 -N-phenyl-N-[1-(2-phenylethyl)piperidin-4-yl]propanamideSAbDab (2026-08-21)

Protein Modification Annotation

Modified Residue(s)
ChainResidue(s)Description
PCA Parent Component: GLN

AA0031

:  2-pyrrolidone-5-carboxylic acid (Gln) MOD:00040 , 2-pyrrolidone-5-carboxylic acid (Glu) MOD:00420