4GAM

Complex structure of Methane monooxygenase hydroxylase and regulatory subunit

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 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)
A [auth B]	d4gamb_	All alpha proteins	Ferritin-like	Ferritin-like	Ribonucleotide reductase-like	Methane monooxygenase hydrolase beta subunit	(Methylococcus capsulatus str. Bath ) [TaxId: 243233 ],	SCOPe (2.08)
E [auth G]	d4gamg_	All alpha proteins	Ferritin-like	Ferritin-like	Ribonucleotide reductase-like	Methane monooxygenase hydrolase beta subunit	(Methylococcus capsulatus str. Bath ) [TaxId: 243233 ],	SCOPe (2.08)
I [auth L]	d4gaml_	All alpha proteins	Ferritin-like	Ferritin-like	Ribonucleotide reductase-like	Methane monooxygenase hydrolase beta subunit	(Methylococcus capsulatus str. Bath ) [TaxId: 243233 ],	SCOPe (2.08)
M [auth Q]	d4gamq_	All alpha proteins	Ferritin-like	Ferritin-like	Ribonucleotide reductase-like	Methane monooxygenase hydrolase beta subunit	(Methylococcus capsulatus str. Bath ) [TaxId: 243233 ],	SCOPe (2.08)
B [auth A]	d4gama_	All alpha proteins	Ferritin-like	Ferritin-like	Ribonucleotide reductase-like	automated matches	(Methylococcus capsulatus str. Bath ) [TaxId: 243233 ],	SCOPe (2.08)
F	d4gamf_	All alpha proteins	Ferritin-like	Ferritin-like	Ribonucleotide reductase-like	automated matches	(Methylococcus capsulatus str. Bath ) [TaxId: 243233 ],	SCOPe (2.08)
J [auth K]	d4gamk_	All alpha proteins	Ferritin-like	Ferritin-like	Ribonucleotide reductase-like	automated matches	(Methylococcus capsulatus str. Bath ) [TaxId: 243233 ],	SCOPe (2.08)
N [auth P]	d4gamp_	All alpha proteins	Ferritin-like	Ferritin-like	Ribonucleotide reductase-like	automated matches	(Methylococcus capsulatus str. Bath ) [TaxId: 243233 ],	SCOPe (2.08)
C	d4gamc_	All alpha proteins	Open three-helical up-and-down bundle	Methane monooxygenase hydrolase, gamma subunit	Methane monooxygenase hydrolase, gamma subunit	Methane monooxygenase hydrolase, gamma subunit	(Methylococcus capsulatus str. Bath ) [TaxId: 243233 ],	SCOPe (2.08)
G [auth H]	d4gamh_	All alpha proteins	Open three-helical up-and-down bundle	Methane monooxygenase hydrolase, gamma subunit	Methane monooxygenase hydrolase, gamma subunit	Methane monooxygenase hydrolase, gamma subunit	(Methylococcus capsulatus str. Bath ) [TaxId: 243233 ],	SCOPe (2.08)
K [auth M]	d4gamm_	All alpha proteins	Open three-helical up-and-down bundle	Methane monooxygenase hydrolase, gamma subunit	Methane monooxygenase hydrolase, gamma subunit	Methane monooxygenase hydrolase, gamma subunit	(Methylococcus capsulatus str. Bath ) [TaxId: 243233 ],	SCOPe (2.08)
O [auth R]	d4gamr_	All alpha proteins	Open three-helical up-and-down bundle	Methane monooxygenase hydrolase, gamma subunit	Methane monooxygenase hydrolase, gamma subunit	Methane monooxygenase hydrolase, gamma subunit	(Methylococcus capsulatus str. Bath ) [TaxId: 243233 ],	SCOPe (2.08)
D	d4gamd_	Alpha and beta proteins (a+b)	Monooxygenase (hydroxylase) regulatory protein	Monooxygenase (hydroxylase) regulatory protein	Monooxygenase (hydroxylase) regulatory protein	Soluble methane monooxygenase regulatory protein B	(Methylococcus capsulatus str. Bath ) [TaxId: 243233 ],	SCOPe (2.08)
H [auth I]	d4gami_	Alpha and beta proteins (a+b)	Monooxygenase (hydroxylase) regulatory protein	Monooxygenase (hydroxylase) regulatory protein	Monooxygenase (hydroxylase) regulatory protein	Soluble methane monooxygenase regulatory protein B	(Methylococcus capsulatus str. Bath ) [TaxId: 243233 ],	SCOPe (2.08)
L [auth N]	d4gamn_	Alpha and beta proteins (a+b)	Monooxygenase (hydroxylase) regulatory protein	Monooxygenase (hydroxylase) regulatory protein	Monooxygenase (hydroxylase) regulatory protein	Soluble methane monooxygenase regulatory protein B	(Methylococcus capsulatus str. Bath ) [TaxId: 243233 ],	SCOPe (2.08)
P [auth S]	d4gams_	Alpha and beta proteins (a+b)	Monooxygenase (hydroxylase) regulatory protein	Monooxygenase (hydroxylase) regulatory protein	Monooxygenase (hydroxylase) regulatory protein	Soluble methane monooxygenase regulatory protein B	(Methylococcus capsulatus str. Bath ) [TaxId: 243233 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth B]	SCOP2B Superfamily	Ferritin-like	8037015	3001658	SCOP2B (2022-06-29)
E [auth G]	SCOP2B Superfamily	Ferritin-like	8037015	3001658	SCOP2B (2022-06-29)
I [auth L]	SCOP2B Superfamily	Ferritin-like	8037015	3001658	SCOP2B (2022-06-29)
M [auth Q]	SCOP2B Superfamily	Ferritin-like	8037015	3001658	SCOP2B (2022-06-29)
B [auth A]	SCOP2B Superfamily	Ferritin-like	8037016	3001658	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Ferritin-like	8037016	3001658	SCOP2B (2022-06-29)
J [auth K]	SCOP2B Superfamily	Ferritin-like	8037016	3001658	SCOP2B (2022-06-29)
N [auth P]	SCOP2B Superfamily	Ferritin-like	8037016	3001658	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Methane monooxygenase hydrolase gamma subunit	8036843	3001468	SCOP2B (2022-06-29)
G [auth H]	SCOP2B Superfamily	Methane monooxygenase hydrolase gamma subunit	8036843	3001468	SCOP2B (2022-06-29)
K [auth M]	SCOP2B Superfamily	Methane monooxygenase hydrolase gamma subunit	8036843	3001468	SCOP2B (2022-06-29)
O [auth R]	SCOP2B Superfamily	Methane monooxygenase hydrolase gamma subunit	8036843	3001468	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Monooxygenase (hydroxylase) regulatory protein	8036486	3000674	SCOP2B (2022-06-29)
H [auth I]	SCOP2B Superfamily	Monooxygenase (hydroxylase) regulatory protein	8036486	3000674	SCOP2B (2022-06-29)
L [auth N]	SCOP2B Superfamily	Monooxygenase (hydroxylase) regulatory protein	8036486	3000674	SCOP2B (2022-06-29)
P [auth S]	SCOP2B Superfamily	Monooxygenase (hydroxylase) regulatory protein	8036486	3000674	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)
A [auth B]	PF02332	e4gamB1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Heme oxygenase/Ribonucleotide reductase	F: PF02332	ECOD (1.6)
E [auth G]	PF02332	e4gamG2	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Heme oxygenase/Ribonucleotide reductase	F: PF02332	ECOD (1.6)
I [auth L]	PF02332	e4gamL2	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Heme oxygenase/Ribonucleotide reductase	F: PF02332	ECOD (1.6)
M [auth Q]	PF02332	e4gamQ2	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Heme oxygenase/Ribonucleotide reductase	F: PF02332	ECOD (1.6)
B [auth A]	PF02332	e4gamA1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Heme oxygenase/Ribonucleotide reductase	F: PF02332	ECOD (1.6)
F	PF02332	e4gamF1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Heme oxygenase/Ribonucleotide reductase	F: PF02332	ECOD (1.6)
J [auth K]	PF02332	e4gamK1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Heme oxygenase/Ribonucleotide reductase	F: PF02332	ECOD (1.6)
N [auth P]	PF02332	e4gamP1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Heme oxygenase/Ribonucleotide reductase	F: PF02332	ECOD (1.6)
C	PF02964	e4gamC1	A: alpha arrays	X: Methane monooxygenase hydrolase gamma subunit-like	H: Methane monooxygenase hydrolase gamma subunit (From Topology)	T: Methane monooxygenase hydrolase gamma subunit	F: PF02964	ECOD (1.6)
G [auth H]	PF02964	e4gamH1	A: alpha arrays	X: Methane monooxygenase hydrolase gamma subunit-like	H: Methane monooxygenase hydrolase gamma subunit (From Topology)	T: Methane monooxygenase hydrolase gamma subunit	F: PF02964	ECOD (1.6)
K [auth M]	PF02964	e4gamM1	A: alpha arrays	X: Methane monooxygenase hydrolase gamma subunit-like	H: Methane monooxygenase hydrolase gamma subunit (From Topology)	T: Methane monooxygenase hydrolase gamma subunit	F: PF02964	ECOD (1.6)
O [auth R]	PF02964	e4gamR1	A: alpha arrays	X: Methane monooxygenase hydrolase gamma subunit-like	H: Methane monooxygenase hydrolase gamma subunit (From Topology)	T: Methane monooxygenase hydrolase gamma subunit	F: PF02964	ECOD (1.6)
D	PF02406	e4gamD1	A: a+b two layers	X: Alpha-beta plaits	H: Monooxygenase (hydroxylase) regulatory protein (From Topology)	T: Monooxygenase (hydroxylase) regulatory protein	F: PF02406	ECOD (1.6)
H [auth I]	PF02406	e4gamI2	A: a+b two layers	X: Alpha-beta plaits	H: Monooxygenase (hydroxylase) regulatory protein (From Topology)	T: Monooxygenase (hydroxylase) regulatory protein	F: PF02406	ECOD (1.6)
L [auth N]	PF02406	e4gamN2	A: a+b two layers	X: Alpha-beta plaits	H: Monooxygenase (hydroxylase) regulatory protein (From Topology)	T: Monooxygenase (hydroxylase) regulatory protein	F: PF02406	ECOD (1.6)
P [auth S]	PF02406	e4gamS2	A: a+b two layers	X: Alpha-beta plaits	H: Monooxygenase (hydroxylase) regulatory protein (From Topology)	T: Monooxygenase (hydroxylase) regulatory protein	F: PF02406	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth B]	1.10.620.20	Mainly Alpha	Orthogonal Bundle	Ribonucleotide Reductase, subunit A	Ribonucleotide Reductase, subunit A	CATH (4.3.0)
E [auth G]	1.10.620.20	Mainly Alpha	Orthogonal Bundle	Ribonucleotide Reductase, subunit A	Ribonucleotide Reductase, subunit A	CATH (4.3.0)
I [auth L]	1.10.620.20	Mainly Alpha	Orthogonal Bundle	Ribonucleotide Reductase, subunit A	Ribonucleotide Reductase, subunit A	CATH (4.3.0)
M [auth Q]	1.10.620.20	Mainly Alpha	Orthogonal Bundle	Ribonucleotide Reductase, subunit A	Ribonucleotide Reductase, subunit A	CATH (4.3.0)
B [auth A]	1.10.620.20	Mainly Alpha	Orthogonal Bundle	Ribonucleotide Reductase, subunit A	Ribonucleotide Reductase, subunit A	CATH (4.3.0)
F	1.10.620.20	Mainly Alpha	Orthogonal Bundle	Ribonucleotide Reductase, subunit A	Ribonucleotide Reductase, subunit A	CATH (4.3.0)
J [auth K]	1.10.620.20	Mainly Alpha	Orthogonal Bundle	Ribonucleotide Reductase, subunit A	Ribonucleotide Reductase, subunit A	CATH (4.3.0)
N [auth P]	1.10.620.20	Mainly Alpha	Orthogonal Bundle	Ribonucleotide Reductase, subunit A	Ribonucleotide Reductase, subunit A	CATH (4.3.0)
C	1.20.1280.10	Mainly Alpha	Up-down Bundle	Monooxygenase	Methane monooxygenase, gamma chain, domain 1	CATH (4.3.0)
C	1.20.1280.30	Mainly Alpha	Up-down Bundle	Monooxygenase	Methane monooxygenase, gamma chain, domain 2	CATH (4.3.0)
G [auth H]	1.20.1280.10	Mainly Alpha	Up-down Bundle	Monooxygenase	Methane monooxygenase, gamma chain, domain 1	CATH (4.3.0)
G [auth H]	1.20.1280.30	Mainly Alpha	Up-down Bundle	Monooxygenase	Methane monooxygenase, gamma chain, domain 2	CATH (4.3.0)
K [auth M]	1.20.1280.10	Mainly Alpha	Up-down Bundle	Monooxygenase	Methane monooxygenase, gamma chain, domain 1	CATH (4.3.0)
K [auth M]	1.20.1280.30	Mainly Alpha	Up-down Bundle	Monooxygenase	Methane monooxygenase, gamma chain, domain 2	CATH (4.3.0)
O [auth R]	1.20.1280.10	Mainly Alpha	Up-down Bundle	Monooxygenase	Methane monooxygenase, gamma chain, domain 1	CATH (4.3.0)
O [auth R]	1.20.1280.30	Mainly Alpha	Up-down Bundle	Monooxygenase	Methane monooxygenase, gamma chain, domain 2	CATH (4.3.0)
D	3.90.56.10	Alpha Beta	Alpha-Beta Complex	Phenol Hydroxylase P2 Protein	Monooxygenase component MmoB/DmpM	CATH (4.3.0)
H [auth I]	3.90.56.10	Alpha Beta	Alpha-Beta Complex	Phenol Hydroxylase P2 Protein	Monooxygenase component MmoB/DmpM	CATH (4.3.0)
L [auth N]	3.90.56.10	Alpha Beta	Alpha-Beta Complex	Phenol Hydroxylase P2 Protein	Monooxygenase component MmoB/DmpM	CATH (4.3.0)
P [auth S]	3.90.56.10	Alpha Beta	Alpha-Beta Complex	Phenol Hydroxylase P2 Protein	Monooxygenase component MmoB/DmpM	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B], E [auth G], I [auth L], M [auth Q]	PF02332	Methane/Phenol/Alkene Hydroxylase (Phenol_Hydrox)	Methane/Phenol/Alkene Hydroxylase	This protein family includes several components of multicomponent enzyme systems predominantly found in Proteobacteria and Actinobacteria, including subunits alpha and beta of a methane monooxygenase and an alkene monooxygenase system, small and larg ...	This protein family includes several components of multicomponent enzyme systems predominantly found in Proteobacteria and Actinobacteria, including subunits alpha and beta of a methane monooxygenase and an alkene monooxygenase system, small and large subunits of propane 2-monooxygenase system and P1 protein of phenol hydroxylase [1-4].	Domain
B [auth A], F, J [auth K], N [auth P]	PF02332	Methane/Phenol/Alkene Hydroxylase (Phenol_Hydrox)	Methane/Phenol/Alkene Hydroxylase	This protein family includes several components of multicomponent enzyme systems predominantly found in Proteobacteria and Actinobacteria, including subunits alpha and beta of a methane monooxygenase and an alkene monooxygenase system, small and larg ...	This protein family includes several components of multicomponent enzyme systems predominantly found in Proteobacteria and Actinobacteria, including subunits alpha and beta of a methane monooxygenase and an alkene monooxygenase system, small and large subunits of propane 2-monooxygenase system and P1 protein of phenol hydroxylase [1-4].	Domain
C, G [auth H], K [auth M], O [auth R]	PF02964	Methane monooxygenase, hydrolase gamma chain (MeMO_Hyd_G)	Methane monooxygenase, hydrolase gamma chain	-	Domain
D, H [auth I], L [auth N], P [auth S]	PF02406	MmoB/DmpM family (MmoB_DmpM)	MmoB/DmpM family	This family consists of monooxygenase components such as MmoB methane monooxygenase (EC:1.14.13.25) regulatory protein B. When MmoB is present at low concentration it converts methane monooxygenase from an oxidase to a hydroxylase and stabilises inte ...	This family consists of monooxygenase components such as MmoB methane monooxygenase (EC:1.14.13.25) regulatory protein B. When MmoB is present at low concentration it converts methane monooxygenase from an oxidase to a hydroxylase and stabilises intermediates required for the activation of dioxygen [1]. Also found in this family is DmpM or Phenol hydroxylase (EC:1.14.13.7) protein component P2, this protein lacks redox co-factors and is required for optimal turnover of Phenol hydroxylase [3].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B], E [auth G], I [auth L], M [auth Q]	Methane monooxygenase component A beta chain	oxidoreductase activity monooxygenase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen methane monooxygenase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of one atom of oxygen catalytic activity methane monooxygenase NADH activity methane monooxygenase NADPH activity	cellular metabolic process small molecule metabolic process metabolic process cellular process one-carbon metabolic process	-
B [auth A], F, J [auth K], N [auth P]	Methane monooxygenase component A alpha chain	oxidoreductase activity monooxygenase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen methane monooxygenase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of one atom of oxygen catalytic activity methane monooxygenase NADH activity methane monooxygenase NADPH activity cation binding ion binding binding metal ion binding small molecule binding	cellular metabolic process small molecule metabolic process metabolic process cellular process one-carbon metabolic process	-
C, G [auth H], K [auth M], O [auth R]	Methane monooxygenase component A gamma chain	oxidoreductase activity monooxygenase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen methane monooxygenase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of one atom of oxygen catalytic activity methane monooxygenase NADH activity methane monooxygenase NADPH activity	organic substance metabolic process cellular metabolic process cellular alkane metabolic process methane metabolic process metabolic process cellular process hydrocarbon metabolic process small molecule metabolic process one-carbon metabolic process	-
D, H [auth I], L [auth N], P [auth S]	Methane monooxygenase regulatory protein B	monooxygenase activity oxidoreductase activity catalytic activity	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B], E [auth G], I [auth L], M [auth Q]	IPR009078	Ferritin-like superfamily	Homologous Superfamily
A [auth B], E [auth G], I [auth L], M [auth Q]	IPR003430	Propane/methane/phenol/toluene hydroxylase	Family
A [auth B], E [auth G], I [auth L], M [auth Q]	IPR012078	Methane/phenol monooxygenase, hydroxylase component	Family
A [auth B], E [auth G], I [auth L], M [auth Q]	IPR012348	Ribonucleotide reductase-like	Homologous Superfamily
B [auth A], F, J [auth K], N [auth P]	IPR009078	Ferritin-like superfamily	Homologous Superfamily
B [auth A], F, J [auth K], N [auth P]	IPR003430	Propane/methane/phenol/toluene hydroxylase	Family
B [auth A], F, J [auth K], N [auth P]	IPR012348	Ribonucleotide reductase-like	Homologous Superfamily
C, G [auth H], K [auth M], O [auth R]	IPR015952	Methane monooxygenase, gamma chain, domain 1	Homologous Superfamily
C, G [auth H], K [auth M], O [auth R]	IPR015953	Methane monooxygenase, gamma chain, domain 2	Homologous Superfamily
C, G [auth H], K [auth M], O [auth R]	IPR036123	Methane monooxygenase, gamma chain superfamily	Homologous Superfamily
C, G [auth H], K [auth M], O [auth R]	IPR004222	Methane monooxygenase, gamma chain	Family
D, H [auth I], L [auth N], P [auth S]	IPR036889	Monooxygenase component MmoB/DmpM superfamily	Homologous Superfamily
D, H [auth I], L [auth N], P [auth S]	IPR003454	Monooxygenase component MmoB/DmpM	Family