9F1I

Crystal structure of a first-in-class antibody for alpha-1,6-fucosylated prostate-specific antigen, target bound

External Resource: Annotation

SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A [auth H], B [auth I]	Heavy Chain	IGHV1	-	prostate specific antigen	SAbDab (2024-08-30)
C [auth L], D [auth M]	Light Chain	IGKV1	Kappa	prostate specific antigen	SAbDab (2024-08-30)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth H], B [auth I]	Heavy chain rabbit fab	-	-	-
C [auth L], D [auth M]	Light chain rabbit fab	-	-	-
E [auth P], F [auth Q]	Prostate specific antigen	peptidase activity catalytic activity, acting on a protein serine hydrolase activity serine-type peptidase activity hydrolase activity serine-type endopeptidase activity catalytic activity endopeptidase activity	zymogen activation organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process protein maturation biosynthetic process proteolysis protein processing metabolic process cellular process protein metabolic process zymogen activation organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process protein maturation biosynthetic process proteolysis protein processing metabolic process cellular process protein metabolic process macromolecule metabolic process multicellular organismal process system process regulation of systemic arterial blood pressure circulatory system process regulation of blood pressure biological regulation regulation of biological quality blood circulation	membrane-bounded organelle intracellular anatomical structure intracellular vesicle cellular anatomical entity intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E [auth P], F [auth Q]	IPR001254	Serine proteases, trypsin domain	Domain
E [auth P], F [auth Q]	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
E [auth P], F [auth Q]	IPR043504	Peptidase S1, PA clan, chymotrypsin-like fold	Homologous Superfamily
E [auth P], F [auth Q]	IPR018114	Serine proteases, trypsin family, histidine active site	Active Site
E [auth P], F [auth Q]	IPR001314	Peptidase S1A, chymotrypsin family	Family
E [auth P], F [auth Q]	IPR033116	Serine proteases, trypsin family, serine active site	Active Site

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A [auth H], B [auth I]	PCA	Parent Component: GLN RESID: AA0031 PSI-MOD : 2-pyrrolidone-5-carboxylic acid (Gln) MOD:00040 , 2-pyrrolidone-5-carboxylic acid (Glu) MOD:00420

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.