Annotations: 2F3J

The solution structure of the REF2-I mRNA export factor (residues 1-155).

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

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	RNA-binding domain, RBD	8061919	3000110	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)
A		e2f3jA1	A: alpha arrays	X: barrel domains in phase 1 flagellin	H: barrel domains in phase 1 flagellin	T: barrel domains in phase 1 flagellin	F:	ECOD (v295)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.70.330	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	RRM (RNA recognition motif) domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00076	RNA recognition motif (RRM_1)	RNA recognition motif	The RRM motif (a.k.a. RRM, RBD, or RNP domain) is probably diagnostic of an RNA binding protein. RRMs are found in a variety of RNA binding proteins, including various hnRNP proteins, proteins implicated in regulation of alternative splicing, and pro ...	The RRM motif (a.k.a. RRM, RBD, or RNP domain) is probably diagnostic of an RNA binding protein. RRMs are found in a variety of RNA binding proteins, including various hnRNP proteins, proteins implicated in regulation of alternative splicing, and protein components of snRNPs. The motif also appears in a few single stranded DNA binding proteins. The RRM structure consists of four strands and two helices arranged in an alpha/beta sandwich, with a third helix present during RNA binding in some cases The C-terminal beta strand (4th strand) and final helix are hard to align and have been omitted in the SEED alignment The LA proteins (Swiss:P05455) have an N terminal rrm which is included in the seed. There is a second region towards the C terminus that has some features characteristic of a rrm but does not appear to have the important structural core of a rrm. The LA proteins (Swiss:P05455) are one of the main autoantigens in Systemic lupus erythematosus (SLE), an autoimmune disease.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	RNA and export factor binding protein 2	RNA binding binding nucleic acid binding mRNA binding protein-RNA adaptor activity protein-macromolecule adaptor activity C5-methylcytidine-containing RNA reader activity molecular adaptor activity DNA binding single-stranded DNA binding	nucleobase-containing compound metabolic process RNA metabolic process metabolic process cellular process primary metabolic process macromolecule metabolic process mRNA metabolic process nucleic acid metabolic process RNA splicing gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process RNA biosynthetic process nucleic acid biosynthetic process nucleobase-containing compound metabolic process RNA metabolic process metabolic process cellular process primary metabolic process macromolecule metabolic process mRNA metabolic process nucleic acid metabolic process RNA splicing gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA processing RNA transport nitrogen compound transport transport nucleic acid transport mRNA transport establishment of localization localization establishment of RNA localization macromolecule localization RNA localization nucleobase-containing compound transport cellular localization nucleocytoplasmic transport nuclear transport intercellular transport mRNA export from nucleus establishment of localization in cell nuclear export intracellular transport RNA export from nucleus mRNA processing	membrane-bounded organelle catalytic step 2 spliceosome protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex transcription export complex membrane-bounded organelle catalytic step 2 spliceosome protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex transcription export complex exon-exon junction complex cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR000504	RNA recognition motif domain	Domain
A	IPR025715	RNA annealing protein YRA2, C-terminal	Domain
A	IPR051229	ALYREF mRNA export adapter	Family
A	IPR012677	Nucleotide-binding alpha-beta plait domain superfamily	Homologous Superfamily
A	IPR035979	RNA-binding domain superfamily	Homologous Superfamily

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

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.