Annotations: 2GAH

Heterotetrameric sarcosine: structure of a diflavin metaloenzyme at 1.85 a resolution

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Sarcosine oxidase delta subunit-like	8090856	3002464	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Folate-binding domain-like	8090859	3000025	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Flavoreductase-like	8064390	3000055	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Thioredoxin reductase-like	8091758	3000050	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Bfd-like	8091762	3002540	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Folate-binding domain-like	8091764	3000025	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	2Fe-2S ferredoxin-like	8091760	3000113	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Aminomethyltransferase beta-barrel domain-like	8091765	3000024	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)
D	ACR_tran	e2gahD1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: ACR_tran	ECOD (v295.2)
C	ACR_tran	e2gahC1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: ACR_tran	ECOD (v295.2)
B	ABC_tran	e2gahB1	A: alpha arrays	X: Thioredoxin-like	H: Thioredoxin-like	T: Thioredoxin-like	F: ABC_tran	ECOD (v295.2)
A	Usher	e2gahA3	A: alpha arrays	X: Inserted helical domain in fatty acid synthase subunit beta	H: Voltage-gated ion channels	T: Voltage-gated ion channels	F: Usher	ECOD (v295.2)
A	YadA_head	e2gahA6	A: alpha arrays	X: POZ domain	H: Rubredoxin-related	T: Rubredoxin-related	F: YadA_head	ECOD (v295.2)
A	DNA_pol_B_exo1	e2gahA8	A: alpha arrays	X: Nat/Ivy	H: Acyl-CoA N-acyltransferases (Nat)	T: Acyl-CoA N-acyltransferases (Nat)	F: DNA_pol_B_exo1	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.30.2270.10	Alpha Beta	2-Layer Sandwich	Folate-binding fold	Folate-binding superfamily	CATH (4.3.0)
C	3.30.1360.120	Alpha Beta	2-Layer Sandwich	Gyrase A	domain 2	CATH (4.3.0)
C	3.30.70.1520	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	Heterotetrameric sarcosine oxidase	CATH (4.3.0)
B	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.3.0)
B	3.30.9.10	Alpha Beta	2-Layer Sandwich	D-Amino Acid Oxidase	Chain A, domain 2	CATH (4.3.0)
A	3.30.1360.120	Alpha Beta	2-Layer Sandwich	Gyrase A	domain 2	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D	heterotetrameric sarcosine oxidase delta-subunit	cation binding ion binding binding metal ion binding small molecule binding oxidoreductase activity oxidoreductase activity, acting on the CH-NH group of donors, oxygen as acceptor sarcosine oxidase activity oxidoreductase activity, acting on the CH-NH group of donors catalytic activity	folic acid-containing compound metabolic process modified amino acid metabolic process metabolic process cellular process tetrahydrofolate metabolic process pteridine-containing compound metabolic process	-
C	heterotetrameric sarcosine oxidase gamma-subunit	oxidoreductase activity oxidoreductase activity, acting on the CH-NH group of donors, oxygen as acceptor sarcosine oxidase activity oxidoreductase activity, acting on the CH-NH group of donors catalytic activity	-	-
B	heterotetrameric sarcosine oxidase beta-subunit	binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding oxidoreductase activity oxidoreductase activity, acting on the CH-NH group of donors, oxygen as acceptor sarcosine oxidase activity oxidoreductase activity, acting on the CH-NH group of donors catalytic activity	folic acid-containing compound metabolic process modified amino acid metabolic process metabolic process cellular process tetrahydrofolate metabolic process pteridine-containing compound metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm
A	heterotetrameric sarcosine oxidase alpha-subunit	transferase activity, transferring nitrogenous groups transaminase activity transferase activity catalytic activity binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding oxidoreductase activity oxidoreductase activity, acting on the CH-NH group of donors, oxygen as acceptor sarcosine oxidase activity oxidoreductase activity, acting on the CH-NH group of donors	folic acid-containing compound metabolic process modified amino acid metabolic process metabolic process cellular process tetrahydrofolate metabolic process pteridine-containing compound metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
D	IPR006279	Sarcosine oxidase, delta subunit, heterotetrameric	Family
D	IPR038561	Sarcosine oxidase subunit delta superfamily	Homologous Superfamily
C	IPR027266	Aminomethyltransferase superfamily	Homologous Superfamily
C	IPR006280	Sarcosine oxidase, gamma subunit, heterotetrameric	Family
C	IPR007375	Sarcosine oxidase, gamma subunit	Family
B	IPR001763	Rhodanese-like domain	Domain
B	IPR006076	FAD dependent oxidoreductase	Domain
B	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily
B	IPR006278	Sarcosine oxidase subunit beta	Family
A	IPR028896	Aminomethyltransferase-like	Family
A	IPR013977	Aminomethyltransferase, C-terminal domain	Domain
A	IPR027266	Aminomethyltransferase superfamily	Homologous Superfamily
A	IPR041117	SoxA, A3 domain	Domain
A	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily
A	IPR006222	GCVT, N-terminal domain	Domain
A	IPR006277	Sarcosine oxidase, alpha subunit	Family
A	IPR029043	Glycine cleavage T-protein/YgfZ, C-terminal	Homologous Superfamily
A	IPR023753	FAD/NAD(P)-binding domain	Domain
A	IPR042204	2Fe-2S iron-sulfur cluster binding domain, N-terminal	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.