6MD3 | pdb_00006md3

Structure of T. brucei RRP44 PIN domain

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
F	PIN_4	e6md3F1	A: a/b three-layered sandwiches	X: HAD domain-like	H: HAD domain-related	T: PIN domain-like	F: PIN_4	ECOD (1.6)
E	PIN_4	e6md3E1	A: a/b three-layered sandwiches	X: HAD domain-like	H: HAD domain-related	T: PIN domain-like	F: PIN_4	ECOD (1.6)
D	PIN_4	e6md3D1	A: a/b three-layered sandwiches	X: HAD domain-like	H: HAD domain-related	T: PIN domain-like	F: PIN_4	ECOD (1.6)
C	PIN_4	e6md3C1	A: a/b three-layered sandwiches	X: HAD domain-like	H: HAD domain-related	T: PIN domain-like	F: PIN_4	ECOD (1.6)
B	PIN_4	e6md3B1	A: a/b three-layered sandwiches	X: HAD domain-like	H: HAD domain-related	T: PIN domain-like	F: PIN_4	ECOD (1.6)
A	PIN_4	e6md3A1	A: a/b three-layered sandwiches	X: HAD domain-like	H: HAD domain-related	T: PIN domain-like	F: PIN_4	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F	PF13638	PIN domain (PIN_4)	PIN domain	Members of this family of bacterial domains are predicted to be RNases (from similarities to 5'-exonucleases).	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F	Rrp44p homologue	3'-5'-RNA exonuclease activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA exonuclease activity, producing 5'-phosphomonoesters 3'-5' exonuclease activity RNA exonuclease activity RNA nuclease activity hydrolase activity hydrolase activity, acting on ester bonds nuclease activity exonuclease activity catalytic activity endonuclease activity RNA binding 3'-5'-RNA exonuclease activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA exonuclease activity, producing 5'-phosphomonoesters 3'-5' exonuclease activity RNA exonuclease activity RNA nuclease activity hydrolase activity hydrolase activity, acting on ester bonds nuclease activity exonuclease activity catalytic activity endonuclease activity RNA binding binding nucleic acid binding cation binding ion binding metal ion binding small molecule binding	regulation of cellular process catabolic process negative regulation of biological process RNA metabolic process macromolecule catabolic process nucleobase-containing compound metabolic process negative regulation of cellular process nuclear mRNA surveillance of mRNA 3'-end processing RNA surveillance RNA catabolic process negative regulation of macromolecule metabolic process regulation of biosynthetic process mRNA catabolic process nuclear RNA surveillance regulation of cellular process catabolic process negative regulation of biological process RNA metabolic process macromolecule catabolic process nucleobase-containing compound metabolic process negative regulation of cellular process nuclear mRNA surveillance of mRNA 3'-end processing RNA surveillance RNA catabolic process negative regulation of macromolecule metabolic process regulation of biosynthetic process mRNA catabolic process nuclear RNA surveillance nuclear-transcribed mRNA catabolic process regulation of biological process negative regulation of metabolic process nuclear mRNA surveillance biological regulation primary metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process mRNA metabolic process nucleic acid metabolic process nucleobase-containing compound catabolic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process nucleic acid catabolic process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process ribonucleoprotein complex biogenesis rRNA processing nucleobase-containing compound biosynthetic process cellular component biogenesis RNA biosynthetic process ribosome biogenesis nucleic acid biosynthetic process cellular component organization or biogenesis RNA processing rRNA metabolic process rRNA catabolic process	membrane-bounded organelle protein-containing complex intracellular anatomical structure catalytic complex nucleus membrane-enclosed lumen nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle exosome (RNase complex) cellular anatomical structure organelle lumen organelle membrane-bounded organelle protein-containing complex intracellular anatomical structure catalytic complex nucleus membrane-enclosed lumen nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle exosome (RNase complex) cellular anatomical structure organelle lumen organelle nuclear exosome (RNase complex) exoribonuclease complex nuclear lumen cytoplasm cytoplasmic exosome (RNase complex)

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F	IPR050180	RNR Ribonuclease	Family
A, B, C, D, E A, B, C, D, E, F	IPR041505	Dis3-like cold-shock domain 2	Domain
A, B, C, D, E A, B, C, D, E, F	IPR022966	Ribonuclease II/R, conserved site	Conserved Site
A, B, C, D, E A, B, C, D, E, F	IPR033771	Rrp44-like cold shock domain	Domain
A, B, C, D, E A, B, C, D, E, F	IPR002716	PIN domain	Domain
A, B, C, D, E A, B, C, D, E, F	IPR001900	Ribonuclease II/R	Domain
A, B, C, D, E A, B, C, D, E, F	IPR012340	Nucleic acid-binding, OB-fold	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.