Annotations: 4FN6

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4fn6a_	All alpha proteins	Heme oxygenase-like	Heme oxygenase-like	automated matches	automated matches	(Staphylococcus aureus subsp. aureus MRSA252 ) [TaxId: 282458 ],	SCOPe (2.08)
B	d4fn6b_	All alpha proteins	Heme oxygenase-like	Heme oxygenase-like	automated matches	automated matches	(Staphylococcus aureus subsp. aureus MRSA252 ) [TaxId: 282458 ],	SCOPe (2.08)
C	d4fn6c_	All alpha proteins	Heme oxygenase-like	Heme oxygenase-like	automated matches	automated matches	(Staphylococcus aureus subsp. aureus MRSA252 ) [TaxId: 282458 ],	SCOPe (2.08)
D	d4fn6d_	All alpha proteins	Heme oxygenase-like	Heme oxygenase-like	automated matches	automated matches	(Staphylococcus aureus subsp. aureus MRSA252 ) [TaxId: 282458 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	TENA_THI-4_1	e4fn6A1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Heme oxygenase/Ribonucleotide reductase	F: TENA_THI-4_1	ECOD (1.6)
B	TENA_THI-4_1	e4fn6B1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Heme oxygenase/Ribonucleotide reductase	F: TENA_THI-4_1	ECOD (1.6)
C	TENA_THI-4_1	e4fn6C1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Heme oxygenase/Ribonucleotide reductase	F: TENA_THI-4_1	ECOD (1.6)
D	TENA_THI-4_1	e4fn6D1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Heme oxygenase/Ribonucleotide reductase	F: TENA_THI-4_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.910.10	Mainly Alpha	Up-down Bundle	Heme Oxygenase	Chain A	CATH (4.3.0)
B	1.20.910.10	Mainly Alpha	Up-down Bundle	Heme Oxygenase	Chain A	CATH (4.3.0)
C	1.20.910.10	Mainly Alpha	Up-down Bundle	Heme Oxygenase	Chain A	CATH (4.3.0)
D	1.20.910.10	Mainly Alpha	Up-down Bundle	Heme Oxygenase	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF03070	TENA/THI-4/PQQC family (TENA_THI-4)	TENA/THI-4/PQQC family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	thiaminase-2	thiaminase activity hydrolase activity catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds	cellular biosynthetic process organonitrogen compound biosynthetic process thiamine-containing compound metabolic process vitamin biosynthetic process organic substance metabolic process organic substance biosynthetic process phosphate-containing compound metabolic process thiamine diphosphate metabolic process small molecule metabolic process sulfur compound metabolic process pyrimidine-containing compound biosynthetic process water-soluble vitamin metabolic process phosphorus metabolic process pyrimidine-containing compound metabolic process cellular biosynthetic process organonitrogen compound biosynthetic process thiamine-containing compound metabolic process vitamin biosynthetic process organic substance metabolic process organic substance biosynthetic process phosphate-containing compound metabolic process thiamine diphosphate metabolic process small molecule metabolic process sulfur compound metabolic process pyrimidine-containing compound biosynthetic process water-soluble vitamin metabolic process phosphorus metabolic process pyrimidine-containing compound metabolic process organonitrogen compound metabolic process water-soluble vitamin biosynthetic process small molecule biosynthetic process cellular metabolic process vitamin metabolic process organic cyclic compound metabolic process sulfur compound biosynthetic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process organic cyclic compound biosynthetic process metabolic process cellular process thiamine diphosphate biosynthetic process thiamine-containing compound biosynthetic process organic hydroxy compound metabolic process alcohol metabolic process thiamine metabolic process thiamine biosynthetic process primary alcohol biosynthetic process organic hydroxy compound biosynthetic process alcohol biosynthetic process primary alcohol metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR004305	Thiaminase-2/PQQC	Domain
A, B, C, D	IPR027574	Thiaminase II	Family
A, B, C, D	IPR016084	Haem oxygenase-like, multi-helical	Homologous Superfamily

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.