Annotations: 2HJ1

Crystal structure of a 3D domain-swapped dimer of protein HI0395 from Haemophilus influenzae

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family 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)
B	d2hj1b2	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	MoaD/ThiS	HI0395-like	automated matches	(Haemophilus influenzae 86-028NP ) [TaxId: 281310 ],	SCOPe (2.08)
B	d2hj1b3	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Haemophilus influenzae 86-028NP ) [TaxId: 281310 ],	SCOPe (2.08)
A	d2hj1a1	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	MoaD/ThiS	HI0395-like	Hypothetical protein HI0395	(Haemophilus influenzae 86-028NP ) [TaxId: 281310 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	HI0395-like	8021837	4002661	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	MoaD/ThiS-like	8034217	3000330	SCOP2 (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	S4	e2hj1B1	A: beta barrels	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: S4	ECOD (v294.2)
A	Ub-RnfH	e2hj1A1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: Ub-RnfH	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.10.20.280	Alpha Beta	Roll	Ubiquitin-like (UB roll)	RnfH-like	CATH (4.3.0)
A	3.10.20.280	Alpha Beta	Roll	Ubiquitin-like (UB roll)	RnfH-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF03658	RnfH family Ubiquitin (Ub-RnfH)	RnfH family Ubiquitin	A member of the RnfH family of the ubiquitin superfamily. Members of this family strongly co-occur in two distinct gene neighborhood contexts. In one it is associated with a START domain protein, a membrane protein SmpA and the transfer mRNA bindin ...	A member of the RnfH family of the ubiquitin superfamily. Members of this family strongly co-occur in two distinct gene neighborhood contexts. In one it is associated with a START domain protein, a membrane protein SmpA and the transfer mRNA binding protein SmpB. This association suggests a possible role in the SmpB-tmRNA-based tagging and degadation system of bacteria, which is interesting given that other members of the ubiquitin system are analogously involved in protein-tagging and degradation across eukaryotes and various prokaryotes. The second context in which the RnfH genes are present is in a membrane associated complex involved in transporting electrons for various reductive reactions such as nitrogen fixation [1].	Domain

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR005346	RnfH protein	Family
A, B	IPR016155	Molybdopterin synthase/thiamin biosynthesis sulphur carrier, beta-grasp	Homologous Superfamily
A, B	IPR037021	RnfH superfamily	Homologous Superfamily
A, B	IPR005346	RnfH protein	Family
A, B	IPR016155	Molybdopterin synthase/thiamin biosynthesis sulphur carrier, beta-grasp	Homologous Superfamily
A, B	IPR037021	RnfH superfamily	Homologous Superfamily

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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.