Annotations: 1WUD

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1wuda1	All alpha proteins	SAM domain-like	HRDC-like	HRDC domain from helicases	HRDC domain from RecQ helicase	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d1wudb_	All alpha proteins	SAM domain-like	HRDC-like	HRDC domain from helicases	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C [auth D]	d1wudd_	All alpha proteins	SAM domain-like	HRDC-like	HRDC domain from helicases	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	HRDC domain from helicases	8003489	4000342	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	HRDC-like	8003490	3000132	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	HRDC-like	8003490	3000132	SCOP2B (2022-06-29)
C [auth D]	SCOP2B Superfamily	HRDC-like	8003490	3000132	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	HRDC	e1wudA1	A: alpha arrays	X: HhH/H2TH	H: SAM/DNA-glycosylase	T: SAM domain-like	F: HRDC	ECOD (1.6)
B	HRDC	e1wudB1	A: alpha arrays	X: HhH/H2TH	H: SAM/DNA-glycosylase	T: SAM domain-like	F: HRDC	ECOD (1.6)
C [auth D]	HRDC	e1wudD1	A: alpha arrays	X: HhH/H2TH	H: SAM/DNA-glycosylase	T: SAM domain-like	F: HRDC	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.150.80	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (4.3.0)
B	1.10.150.80	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (4.3.0)
C [auth D]	1.10.150.80	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C [auth D]	PF00570	HRDC domain (HRDC)	HRDC domain	The HRDC (Helicase and RNase D C-terminal) domain has a putative role in nucleic acid binding. Mutations in the HRDC domain cause human disease. It is interesting to note that the RecQ helicase in Deinococcus radiodurans has three tandem HRDC domains ...	The HRDC (Helicase and RNase D C-terminal) domain has a putative role in nucleic acid binding. Mutations in the HRDC domain cause human disease. It is interesting to note that the RecQ helicase in Deinococcus radiodurans has three tandem HRDC domains [4].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C [auth D]	ATP-dependent DNA helicase recQ	cation binding transition metal ion binding ion binding binding metal ion binding small molecule binding ATP-dependent activity, acting on DNA catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid catalytic activity ATP-dependent activity DNA helicase activity helicase activity adenyl ribonucleotide binding cation binding transition metal ion binding ion binding binding metal ion binding small molecule binding ATP-dependent activity, acting on DNA catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid catalytic activity ATP-dependent activity DNA helicase activity helicase activity adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding DNA binding nucleic acid binding four-way junction helicase activity isomerase activity pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides single-stranded DNA helicase activity zinc ion binding 3'-5' DNA helicase activity	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process nucleobase-containing compound metabolic process DNA replication metabolic process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process cellular component organization cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process nucleobase-containing compound metabolic process DNA replication metabolic process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process cellular component organization G-quadruplex DNA unwinding organelle organization DNA geometric change chromosome organization DNA conformation change cellular component organization or biogenesis SOS response DNA duplex unwinding DNA recombination DNA repair	protein-containing complex catalytic complex DNA helicase complex single-stranded DNA-dependent ATP-dependent DNA helicase complex intracellular organelle bacterial nucleoid cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle nucleoid cytoplasm chromosome protein-containing complex catalytic complex DNA helicase complex single-stranded DNA-dependent ATP-dependent DNA helicase complex intracellular organelle bacterial nucleoid cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle nucleoid cytoplasm chromosome protein-DNA complex replication fork replisome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C [auth D]	IPR006293	DNA helicase, ATP-dependent, RecQ type, bacterial	Family
A, B, C [auth D]	IPR002121	HRDC domain	Domain
A, B, C [auth D]	IPR032284	ATP-dependent DNA helicase RecQ, zinc-binding domain	Domain
A, B, C [auth D]	IPR011545	DEAD/DEAH box helicase domain	Domain
A, B, C [auth D]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A, B, C [auth D]	IPR010997	HRDC-like superfamily	Homologous Superfamily
A, B, C [auth D]	IPR001650	Helicase, C-terminal domain-like	Domain
A, B, C [auth D]	IPR018982	RQC domain	Domain
A, B, C [auth D]	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A, B, C [auth D]	IPR014001	Helicase superfamily 1/2, ATP-binding domain	Domain
A, B, C [auth D]	IPR044876	HRDC domain superfamily	Homologous Superfamily
A, B, C [auth D]	IPR004589	DNA helicase, ATP-dependent, RecQ type	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.