Crystal structure of Fab containing a fluorescent noncanonical amino acid with blocked excited state proton transfer


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
B [auth L]Ribosomal_L19e7senL1 A: beta barrelsX: Nuclear receptor ligand-binding domainH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: Ribosomal_L19ECOD (v294.2)
A [auth H]Ion_transe7senH1 A: beta barrelsX: Nuclear receptor ligand-binding domainH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: Ion_transECOD (v294.2)

Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage

ChainNameTargetProvenance Source
B [auth L] Ruplizumab CD40LG/CD154Therapeutic SAbDab (2026-05-15)
A [auth H] Ruplizumab CD40LG/CD154Therapeutic SAbDab (2026-05-15)

Protein Modification Annotation

Modified Residue(s)
ChainResidue(s)Description
B [auth L]DV7
A [auth H]PCA Parent Component: GLN

AA0031

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