Annotations: 4L2I

Electron transferring flavoprotein of Acidaminococcus fermentans: Towards a mechanism of flavin-based electron bifurcation

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product 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	d4l2ib_	Alpha and beta proteins (a/b)	Adenine nucleotide alpha hydrolase-like	Adenine nucleotide alpha hydrolases-like	automated matches	automated matches	(Acidaminococcus fermentans DSM 20731 ) [TaxId: 591001 ],	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	preSET_CXC	e4l2iA1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: Nucleotide-binding domain	F: preSET_CXC	ECOD (v294.1)
B	PI31_Prot_N	e4l2iB1	A: a/b three-layered sandwiches	X: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit	H: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit	T: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit	F: PI31_Prot_N	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.620	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	HUPs	CATH (4.3.0)
A	3.40.50.1220	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	TPP-binding domain	CATH (4.3.0)
B	3.40.50.620	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	HUPs	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00766	Electron transfer flavoprotein FAD-binding domain (ETF_alpha)	Electron transfer flavoprotein FAD-binding domain	This domain found at the C-terminus of electron transfer flavoprotein alpha chain and binds to FAD [1]. The fold consists of a five-stranded parallel beta sheet as the core of the domain, flanked by alternating helices. A small part of this domain i ...	This domain found at the C-terminus of electron transfer flavoprotein alpha chain and binds to FAD [1]. The fold consists of a five-stranded parallel beta sheet as the core of the domain, flanked by alternating helices. A small part of this domain is donated by the beta chain [1].	Domain
A	PF01012	Electron transfer flavoprotein domain (ETF)	Electron transfer flavoprotein domain	This family includes the homologous domain shared between the alpha and beta subunits of the electron transfer flavoprotein [1].	Domain
B	PF01012	Electron transfer flavoprotein domain (ETF)	Electron transfer flavoprotein domain	This family includes the homologous domain shared between the alpha and beta subunits of the electron transfer flavoprotein [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Electron transfer flavoprotein alpha subunit	electron transfer activity flavin adenine dinucleotide binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding small molecule binding	fatty acid metabolic process lipid catabolic process catabolic process oxoacid metabolic process carboxylic acid metabolic process primary metabolic process lipid modification organic acid metabolic process organic acid catabolic process fatty acid catabolic process monocarboxylic acid catabolic process fatty acid oxidation carboxylic acid catabolic process fatty acid beta-oxidation fatty acid metabolic process lipid catabolic process catabolic process oxoacid metabolic process carboxylic acid metabolic process primary metabolic process lipid modification organic acid metabolic process organic acid catabolic process fatty acid catabolic process monocarboxylic acid catabolic process fatty acid oxidation carboxylic acid catabolic process fatty acid beta-oxidation metabolic process cellular process small molecule metabolic process monocarboxylic acid metabolic process lipid oxidation small molecule catabolic process fatty acid beta-oxidation using acyl-CoA dehydrogenase lipid metabolic process	-
B	Electron transfer flavoprotein alpha/beta-subunit	binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding electron transfer activity	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR014730	Electron transfer flavoprotein, alpha/beta-subunit, N-terminal	Domain
A	IPR001308	Electron transfer flavoprotein alpha subunit/FixB	Family
A	IPR014731	Electron transfer flavoprotein, alpha subunit, C-terminal	Domain
A	IPR029035	DHS-like NAD/FAD-binding domain superfamily	Homologous Superfamily
A	IPR014729	Rossmann-like alpha/beta/alpha sandwich fold	Homologous Superfamily
A	IPR033947	Electron transfer flavoprotein, alpha subunit, N-terminal	Domain
B	IPR014730	Electron transfer flavoprotein, alpha/beta-subunit, N-terminal	Domain
B	IPR033948	Electron transfer flavoprotein, beta subunit, N-terminal	Domain
B	IPR012255	Electron transfer flavoprotein, beta subunit	Family
B	IPR014729	Rossmann-like alpha/beta/alpha sandwich fold	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.