Annotations: 4ZB4

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	polyprenyl_synt	e4zb4B1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: polyprenyl_synt	ECOD (v294.1)
A	polyprenyl_synt	e4zb4A1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: polyprenyl_synt	ECOD (v294.1)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Pre-mRNA-processing factor 19	aminoacyltransferase activity ubiquitin-like protein transferase activity catalytic activity, acting on a protein acyltransferase activity transferase activity catalytic activity ubiquitin-protein transferase activity ubiquitin-like protein ligase activity ubiquitin protein ligase activity identical protein binding protein binding binding	protein polyubiquitination primary metabolic process protein K63-linked ubiquitination protein ubiquitination macromolecule modification metabolic process cellular process protein metabolic process macromolecule metabolic process post-translational protein modification protein modification process protein modification by small protein conjugation protein modification by small protein conjugation or removal ribonucleoprotein complex biogenesis protein polyubiquitination primary metabolic process protein K63-linked ubiquitination protein ubiquitination macromolecule modification metabolic process cellular process protein metabolic process macromolecule metabolic process post-translational protein modification protein modification process protein modification by small protein conjugation protein modification by small protein conjugation or removal ribonucleoprotein complex biogenesis RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis RNA processing RNA splicing generation of catalytic spliceosome for first transesterification step protein-containing complex organization spliceosomal conformational changes to generate catalytic conformation gene expression nucleobase-containing compound biosynthetic process mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing, via transesterification reactions with bulged adenosine as nucleophile cellular response to stimulus response to stimulus DNA metabolic process cellular response to stress DNA damage response response to stress DNA repair	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle U2-type spliceosomal complex protein-containing complex catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle U2-type spliceosomal complex protein-containing complex catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome spliceosomal complex ribonucleoprotein complex catalytic step 1 spliceosome Prp19 complex cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR003613	U-box domain	Domain
A, B	IPR038959	Prp19	Family
A, B	IPR013083	Zinc finger, RING/FYVE/PHD-type	Homologous Superfamily
A, B	IPR011047	Quinoprotein alcohol dehydrogenase-like superfamily	Homologous Superfamily
A, B	IPR013915	Prp19, coiled-coil region	Domain
A, B	IPR055340	Pre-mRNA-processing factor 19, U-box domain	Domain
A, B	IPR015943	WD40/YVTN repeat-like-containing domain superfamily	Homologous Superfamily

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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.