3W54 | pdb_00003w54

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Ferritin-like	8052478	3001658	SCOP2B (2022-06-29)
B	SCOP2 Family	Alternative oxidase-like	8049545	4006536	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Ferritin-like	8052478	3001658	SCOP2 (2022-06-29)
C	SCOP2B Superfamily	Ferritin-like	8052478	3001658	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Ferritin-like	8052478	3001658	SCOP2B (2022-06-29)

Chains	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	e3w54A1	A: HTH	X: HTH	H: winged helix domain	T: tRNA-synt_1b	F:	ECOD (20:10:01)
B	e3w54B1	A: jelly-roll	X: Double-stranded beta-helix	H: Double-stranded beta-helix	T: CBM_14	F:	ECOD (20:10:01)
C	e3w54C1	A: HTH	X: HTH	H: winged helix domain	T: tRNA-synt_1b	F:	ECOD (20:10:01)
D	e3w54D2	A: HTH	X: HTH	H: winged helix domain	T: PI3K_C2	F:	ECOD (20:10:01)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.1260.140	Mainly Alpha	Up-down Bundle	Ferritin	Alternative oxidase	CATH (4.3.0)
B	1.20.1260.140	Mainly Alpha	Up-down Bundle	Ferritin	Alternative oxidase	CATH (4.3.0)
C	1.20.1260.140	Mainly Alpha	Up-down Bundle	Ferritin	Alternative oxidase	CATH (4.3.0)
D	1.20.1260.140	Mainly Alpha	Up-down Bundle	Ferritin	Alternative oxidase	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Alternative oxidase, mitochondrial	oxidoreductase activity catalytic activity cation binding ferric iron binding transition metal ion binding iron ion binding ion binding binding metal ion binding small molecule binding oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor alternative oxidase activity oxidoreductase activity, acting on diphenols and related substances as donors	alternative respiration aerobic respiration cellular respiration energy derivation by oxidation of organic compounds metabolic process cellular process generation of precursor metabolites and energy	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope organelle membrane

Chains	Accession	Name	Type
A, B, C, D	IPR002680	Alternative oxidase	Family
A, B, C, D	IPR038659	Alternative oxidase superfamily	Homologous Superfamily

Chains	External Link	Type	Class	Superfamily	Family
A, B, C, D	OPM	Monotopic/peripheral	All alpha monotopic/peripheral	Alternative oxidase	Alternative oxidase

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D	mpstruc	MONOTOPIC MEMBRANE PROTEINS	Oxidases	Alternative oxidase (AOX), cyanide-insensitive

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.

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