7PJH | pdb_00007pjh

Crystal structure of the human spliceosomal maturation factor AAR2 bound to the RNAse H domain of PRPF8

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Ribonuclease H-like	8041105	3000143	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PRP8_domainIV	e7pjhB1	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: PRP8_domainIV	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.30.420.230	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (utative)
B	1.20.80.40	Mainly Alpha	Up-down Bundle	Acyl-CoA Binding Protein	Prp8 RNase H domain, fingers region	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF05282	AAR2 C-terminal repeat region (AAR2)	AAR2 C-terminal repeat region	-	Repeat
A	PF20981	AAR2 N-terminal domain (AAR2_1st)	AAR2 N-terminal domain	This family consists of several eukaryotic AAR2-like proteins. The yeast protein AAR2 is involved in splicing pre-mRNA of the a1 cistron and other genes that are important for cell growth [1]. This entry represents the N-terminal Ig-like domain.	Domain
B	PF12134	PRP8 domain IV core (PRP8_domainIV)	PRP8 domain IV core	This domain is found in eukaryotes, and is about 20 amino acids in length. It is found associated with Pfam:PF10597, Pfam:PF10596, Pfam:PF10598, Pfam:PF08083, Pfam:PF08082, Pfam:PF01398, Pfam:PF08084. There is a conserved LILR sequence motif. The dom ...	This domain is found in eukaryotes, and is about 20 amino acids in length. It is found associated with Pfam:PF10597, Pfam:PF10596, Pfam:PF10598, Pfam:PF08083, Pfam:PF08082, Pfam:PF01398, Pfam:PF08084. There is a conserved LILR sequence motif. The domain is a selenomethionine domain in a subunit of the spliceosome. The function of PRP8 domain IV is believed to be interaction with the splicosomal core.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Protein AAR2 homolog	-	ribonucleoprotein complex biogenesis RNA metabolic process mRNA processing spliceosomal tri-snRNP complex assembly 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 ribonucleoprotein complex biogenesis RNA metabolic process mRNA processing spliceosomal tri-snRNP complex assembly 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 protein-containing complex organization spliceosomal snRNP assembly primary metabolic process 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 cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process	U5 snRNP membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex U5 snRNP membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex spliceosomal complex
B	Pre-mRNA-processing-splicing factor 8	RNA binding snRNA binding binding nucleic acid binding U1 snRNA binding U6 snRNA binding polyubiquitin modification-dependent protein binding protein binding modification-dependent protein binding K63-linked polyubiquitin modification-dependent protein binding U5 snRNA binding U2 snRNA binding pre-mRNA binding pre-mRNA intronic binding	RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process RNA splicing, via transesterification reactions biosynthetic process metabolic process cellular process RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process RNA splicing, via transesterification reactions biosynthetic process metabolic process cellular process RNA processing macromolecule metabolic process ribonucleoprotein complex biogenesis mRNA processing spliceosomal tri-snRNP complex assembly protein-RNA complex assembly cellular component organization cellular component biogenesis protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis protein-containing complex organization spliceosomal snRNP assembly mRNA metabolic process mRNA splicing, via spliceosome RNA splicing, via transesterification reactions with bulged adenosine as nucleophile cellular response to stimulus biological process involved in interspecies interaction between organisms response to lipid response to stimulus response to other organism cellular response to lipopolysaccharide response to oxygen-containing compound response to external stimulus cellular response to molecule of bacterial origin response to lipopolysaccharide cellular response to oxygen-containing compound response to biotic stimulus cellular response to biotic stimulus cellular response to chemical stimulus response to chemical response to bacterium cellular response to lipid response to external biotic stimulus response to molecule of bacterial origin response to peptide cellular response to tumor necrosis factor response to cytokine cellular response to cytokine stimulus response to tumor necrosis factor	cellular anatomical structure membrane membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nuclear speck nuclear body intracellular organelle nucleoplasm organelle lumen organelle cellular anatomical structure membrane membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nuclear speck nuclear body intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen U2-type spliceosomal complex protein-containing complex catalytic complex nuclear protein-containing complex U2-type catalytic step 1 spliceosome spliceosomal complex ribonucleoprotein complex catalytic step 1 spliceosome catalytic step 2 spliceosome spliceosomal snRNP complex Sm-like protein family complex U4/U6 x U5 tri-snRNP complex spliceosomal tri-snRNP complex small nuclear ribonucleoprotein complex U2-type precatalytic spliceosome precatalytic spliceosome U5 snRNP U2-type catalytic step 2 spliceosome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR033648	AAR2, C-terminal domain	Domain
A	IPR038514	AAR2, C-terminal domain superfamily	Homologous Superfamily
A	IPR038516	AAR2, N-terminal domain superfamily	Homologous Superfamily
A	IPR033647	AAR2, N-terminal	Domain
A	IPR007946	A1 cistron-splicing factor, AAR2	Family
B	IPR012984	PROCT domain	Domain
B	IPR012591	PRO8NT domain	Domain
B	IPR019580	Pre-mRNA-processing-splicing factor 8, U6-snRNA-binding	Domain
B	IPR027652	Pre-mRNA-processing-splicing factor 8	Family
B	IPR043172	Prp8 RNase domain IV, palm region	Homologous Superfamily
B	IPR012592	PROCN domain	Domain
B	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily
B	IPR043173	Prp8 RNase domain IV, fingers region	Homologous Superfamily
B	IPR021983	PRP8 domain IV core	Domain
B	IPR019581	Pre-mRNA-processing-splicing factor 8, U5-snRNA-binding	Domain
B	IPR037518	MPN domain	Domain
B	IPR019582	RNA recognition motif, spliceosomal PrP8	Domain
B	IPR042516	Pre-mRNA-processing-splicing factor 8, U5-snRNA-binding domain superfamily	Homologous Superfamily
B	IPR000555	JAB1/MPN/MOV34 metalloenzyme domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9Y312	skin basal cell carcinoma
B	Pharos: Q6P2Q9	retinitis pigmentosa retinitis pigmentosa 13 HIV infectious disease Acute Cerebrovascular Accidents brain aneurysm cone-rod dystrophy malignant ependymoma pancreatic ductal adenocarcinoma acute myeloid leukemia diabetes mellitus oligodendroglioma retinal degeneration astrocytic tumor cerebrovascular disorder glioblastoma retinitis pigmentosa retinitis pigmentosa 13 HIV infectious disease Acute Cerebrovascular Accidents brain aneurysm cone-rod dystrophy malignant ependymoma pancreatic ductal adenocarcinoma acute myeloid leukemia diabetes mellitus oligodendroglioma retinal degeneration astrocytic tumor cerebrovascular disorder glioblastoma Hodgkins lymphoma ovarian cancer

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.