Annotations: 4QJU

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	IHF-like DNA-binding proteins	8072002	3000426	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	IHF-like DNA-binding proteins	8072002	3000426	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)
B	C2	e4qjuB1	A: a/b three-layered sandwiches	X: CCHC-type 1 zinc finger	H: Retrovirus zinc finger-related domains	T: Retrovirus zinc finger-related domains	F: C2	ECOD (v294.1)
A	C2	e4qjuA1	A: a/b three-layered sandwiches	X: CCHC-type 1 zinc finger	H: Retrovirus zinc finger-related domains	T: Retrovirus zinc finger-related domains	F: C2	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	4.10.520.10	Few Secondary Structures	Irregular	HU Protein	Chain A	CATH (4.3.0)
A	4.10.520.10	Few Secondary Structures	Irregular	HU Protein	Chain A	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C, D	DNA (5'-D(TPGPCPTPTPAPTPCPAPAPTPTPTPGPTPTPGPCPAPCP*C)-3')	-	-	-
A, B	DNA-binding protein HU	DNA binding binding nucleic acid binding structural molecule activity structural constituent of chromatin identical protein binding protein binding	nucleobase-containing compound metabolic process DNA-templated DNA replication DNA replication DNA replication initiation metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process biosynthetic process gene expression macromolecule biosynthetic process cellular component organization nucleobase-containing compound metabolic process DNA-templated DNA replication DNA replication DNA replication initiation metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process biosynthetic process gene expression macromolecule biosynthetic process cellular component organization organelle organization chromosome condensation chromosome organization cellular component organization or biogenesis	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol primosome complex protein-containing complex protein-DNA complex intracellular membraneless organelle chromosome intracellular organelle DnaA-HU complex organelle membraneless organelle replication fork cellular anatomical structure intracellular anatomical structure cytoplasm cytosol primosome complex protein-containing complex protein-DNA complex intracellular membraneless organelle chromosome intracellular organelle DnaA-HU complex organelle membraneless organelle replication fork replisome bacterial nucleoid nucleoid HU-DNA complex DNA bending complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR020816	Histone-like DNA-binding protein, conserved site	Conserved Site
A, B	IPR010992	Integration host factor (IHF)-like DNA-binding domain superfamily	Homologous Superfamily
A, B	IPR000119	Histone-like DNA-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.