Annotations: 1HSJ

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1hsja1	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	MarR-like transcriptional regulators	Staphylococcal accessory regulator A homolog, SarR	(Escherichia coli ) [TaxId: 562 ], (Staphylococcus aureus ) [TaxId: 1280 ],	SCOPe (2.08)
A	d1hsja2	Alpha and beta proteins (a/b)	Periplasmic binding protein-like II	Periplasmic binding protein-like II	Phosphate binding protein-like	D-maltodextrin-binding protein, MBP	(Escherichia coli ) [TaxId: 562 ], (Staphylococcus aureus ) [TaxId: 1280 ],	SCOPe (2.08)
B	d1hsjb1	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	MarR-like transcriptional regulators	Staphylococcal accessory regulator A homolog, SarR	(Escherichia coli ) [TaxId: 562 ], (Staphylococcus aureus ) [TaxId: 1280 ],	SCOPe (2.08)
B	d1hsjb2	Alpha and beta proteins (a/b)	Periplasmic binding protein-like II	Periplasmic binding protein-like II	Phosphate binding protein-like	D-maltodextrin-binding protein, MBP	(Escherichia coli ) [TaxId: 562 ], (Staphylococcus aureus ) [TaxId: 1280 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	MarR-like transcriptional regulators	8044617	4000246	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Winged helix DNA-binding domain	8044618	3000034	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	Type 2 solute binding protein-like	8058187	3000083	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Winged helix DNA-binding domain	8044618	3000034	SCOP2B (2022-06-29)
B	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)
A	Staph_reg_Sar	e1hsjA1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: Staph_reg_Sar	ECOD (1.6)
A	SBP_bac_1_C	e1hsjA3	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: SBP_bac_1_C	ECOD (1.6)
A	SBP_bac_1_N_1	e1hsjA2	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: SBP_bac_1_N_1	ECOD (1.6)
B	Staph_reg_Sar	e1hsjB3	A: alpha arrays	X: DnaD domain (From Topology)	H: DnaD domain (From Topology)	T: DnaD domain	F: Staph_reg_Sar	ECOD (1.6)
B	SBP_bac_1_C	e1hsjB2	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: SBP_bac_1_C	ECOD (1.6)
B	SBP_bac_1_N_1	e1hsjB1	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: SBP_bac_1_N_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (4.3.0)
A	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
B	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (4.3.0)
B	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01547	Bacterial extracellular solute-binding protein (SBP_bac_1)	Bacterial extracellular solute-binding protein	-	Family
A, B	PF12802	MarR family (MarR_2)	MarR family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	FUSION PROTEIN CONSISTING OF STAPHYLOCOCCUS ACCESSORY REGULATOR PROTEIN R AND MALTOSE BINDING PROTEIN	transporter activity carbohydrate transmembrane transporter activity transmembrane transporter activity oligosaccharide binding binding disaccharide binding carbohydrate binding maltose binding DNA binding organic cyclic compound binding nucleic acid binding transcription regulator activity DNA-binding transcription factor activity	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 regulation of cellular process RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of biological process biological regulation primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process metabolic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process	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 periplasmic space 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 periplasmic space outer membrane-bounded periplasmic space cell envelope intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR006061	Solute-binding family 1, conserved site	Conserved Site
A, B	IPR006060	Maltose/Cyclodextrin ABC transporter, substrate-binding protein	Family
A, B	IPR006059	Bacterial-type extracellular solute-binding protein	Family
A, B	IPR055166	Transcriptional regulator SarA/SarZ/Rot-like, helix-turn-helix domain	Domain
A, B	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A, B	IPR039422	Transcription regulators MarR/SlyA-like	Family
A, B	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
A, B	IPR010166	Transcriptional regulator SarA/Rot domain	Domain

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.