3HST | pdb_00003hst

N-Terminal RNASE H domain of rv2228c from mycobacterium tuberculosis as a fusion protein with maltose binding protein

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
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: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C	d3hstc1	Alpha and beta proteins (a/b)	Periplasmic binding protein-like II	Periplasmic binding protein-like II	Phosphate binding protein-like	automated matches	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
C	d3hstc2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
A	d3hsta1	Alpha and beta proteins (a/b)	Periplasmic binding protein-like II	Periplasmic binding protein-like II	Phosphate binding protein-like	automated matches	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
A	d3hsta2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Ribonuclease H-like	8075092	3000143	SCOP2B (2022-06-29)
B	SCOP2 Family	Ribonuclease H-like	8075091	4000541	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Ribonuclease H-like	8075092	3000143	SCOP2 (2022-06-29)
C	SCOP2B Superfamily	Type 2 solute binding protein-like	8058187	3000083	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Type 2 solute binding protein-like	8058187	3000083	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)
D	Tachylectin	e3hstD1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Immunoglobulin-related	T: PEBP-like	F: Tachylectin	ECOD (v294.1)
B	Cohesin	e3hstB1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: Metalloproteases (zincins) catalytic domain	T: Metalloproteases (zincins) catalytic domain	F: Cohesin	ECOD (v294.1)
C	LysR_substrate	e3hstC1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F: LysR_substrate	ECOD (v294.1)
A	LysR_substrate	e3hstA1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F: LysR_substrate	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.30.420.10	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)
B	3.30.420.10	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)
C	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (4.3.0)
A	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B, D	PF13456	Reverse transcriptase-like (RVT_3)	Reverse transcriptase-like	This domain is found in plants and appears to be part of a retrotransposon.	Domain
A, C	PF01547	Bacterial extracellular solute-binding protein (SBP_bac_1)	Bacterial extracellular solute-binding protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, D	Protein Rv2228c/MT2287	double-stranded RNA-specific ribonuclease activity hydrolase activity, acting on ester bonds nuclease activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA nuclease activity hydrolase activity catalytic activity phosphoric ester hydrolase activity alpha-ribazole phosphatase activity phosphatase activity binding DNA/RNA hybrid binding nucleic acid binding double-stranded RNA-specific ribonuclease activity hydrolase activity, acting on ester bonds nuclease activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA nuclease activity hydrolase activity catalytic activity phosphoric ester hydrolase activity alpha-ribazole phosphatase activity phosphatase activity binding DNA/RNA hybrid binding nucleic acid binding endonuclease activity RNA endonuclease activity producing 5'-phosphomonoesters, hydrolytic mechanism RNA-DNA hybrid ribonuclease activity RNA endonuclease activity cation binding ion binding metal ion binding small molecule binding	catabolic process RNA metabolic process primary metabolic process nucleic acid metabolic process macromolecule catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process RNA catabolic process cobalamin metabolic process cobalamin biosynthetic process catabolic process RNA metabolic process primary metabolic process nucleic acid metabolic process macromolecule catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process RNA catabolic process cobalamin metabolic process cobalamin biosynthetic process water-soluble vitamin biosynthetic process tetrapyrrole metabolic process small molecule biosynthetic process vitamin biosynthetic process vitamin metabolic process tetrapyrrole biosynthetic process biosynthetic process small molecule metabolic process	-
A, C	Maltose-binding periplasmic protein	transporter activity carbohydrate transmembrane transporter activity transmembrane transporter activity oligosaccharide binding binding disaccharide binding carbohydrate binding maltose binding	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process cell chemotaxis chemotaxis response to external stimulus cellular response to chemical stimulus taxis response to chemical cell migration cell motility cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process cell chemotaxis chemotaxis response to external stimulus cellular response to chemical stimulus taxis response to chemical cell migration cell motility locomotion localization transport carbohydrate transport oligosaccharide transport disaccharide transport establishment of localization maltose transport polysaccharide localization dextrin transport macromolecule localization maltodextrin transmembrane transport polysaccharide transport response to disaccharide response to oxygen-containing compound detection of maltose stimulus detection of stimulus response to carbohydrate detection of chemical stimulus detection of disaccharide stimulus response to maltose detection of carbohydrate stimulus	ATPase dependent transmembrane transport complex protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex transporter complex ATP-binding cassette (ABC) transporter complex cell periphery cellular anatomical structure transmembrane transporter complex ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing maltose transport complex extracellular region ATPase dependent transmembrane transport complex protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex transporter complex ATP-binding cassette (ABC) transporter complex cell periphery cellular anatomical structure transmembrane transporter complex ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing maltose transport complex extracellular region periplasmic space outer membrane-bounded periplasmic space cell envelope

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, D	IPR014636	RNase H, phosphoglycerate mutase domain-containing	Family
B, D	IPR036397	Ribonuclease H superfamily	Homologous Superfamily
B, D	IPR013078	Histidine phosphatase superfamily, clade-1	Family
B, D	IPR002156	Ribonuclease H domain	Domain
B, D	IPR029033	Histidine phosphatase superfamily	Homologous Superfamily
B, D	IPR050275	Phosphoglycerate Mutase/Phosphatase	Family
B, D	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily
A, C	IPR006061	Solute-binding family 1, conserved site	Conserved Site
A, C	IPR006060	Maltose/Cyclodextrin ABC transporter, substrate-binding protein	Family
A, C	IPR006059	Bacterial-type extracellular solute-binding protein	Family

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.