Annotations: 7TAI

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth B]	PF01794	e7taiB2	A: alpha arrays	X: 6-phosphogluconate dehydrogenase C-terminal domain-like (From Topology)	H: 6-phosphogluconate dehydrogenase C-terminal domain-like (From Topology)	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: PF01794	ECOD (1.6)
A [auth B]	PF03807	e7taiB1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: PF03807	ECOD (1.6)
B [auth A]	PF01794	e7taiA2	A: alpha arrays	X: 6-phosphogluconate dehydrogenase C-terminal domain-like (From Topology)	H: 6-phosphogluconate dehydrogenase C-terminal domain-like (From Topology)	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: PF01794	ECOD (1.6)
B [auth A]	PF03807	e7taiA1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: PF03807	ECOD (1.6)
C	PF01794	e7taiC2	A: alpha arrays	X: 6-phosphogluconate dehydrogenase C-terminal domain-like (From Topology)	H: 6-phosphogluconate dehydrogenase C-terminal domain-like (From Topology)	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: PF01794	ECOD (1.6)
C	PF03807	e7taiC1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: PF03807	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B], B [auth A], C	PF03807	NADP oxidoreductase coenzyme F420-dependent (F420_oxidored)	NADP oxidoreductase coenzyme F420-dependent	-	Family
A [auth B], B [auth A], C	PF01794	Ferric reductase like transmembrane component (Ferric_reduct)	Ferric reductase like transmembrane component	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B], B [auth A], C	Metalloreductase STEAP2	oxidoreductase activity, acting on metal ions oxidoreductase activity oxidoreductase activity, acting on metal ions, NAD or NADP as acceptor catalytic activity cupric reductase activity ferric-chelate reductase (NADPH) activity ferric-chelate reductase activity cation binding ion binding binding metal ion binding small molecule binding	localization transport copper ion import copper ion transport transition metal ion transport monoatomic ion transport monoatomic cation transport establishment of localization metal ion transport import into cell copper ion transmembrane transport import across plasma membrane monoatomic ion transmembrane transport inorganic ion transmembrane transport localization transport copper ion import copper ion transport transition metal ion transport monoatomic ion transport monoatomic cation transport establishment of localization metal ion transport import into cell copper ion transmembrane transport import across plasma membrane monoatomic ion transmembrane transport inorganic ion transmembrane transport inorganic cation import across plasma membrane inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport plasma membrane copper ion transport inorganic ion import across plasma membrane copper ion import across plasma membrane cellular process Golgi to plasma membrane transport cellular localization post-Golgi vesicle-mediated transport localization within membrane vesicle-mediated transport vesicle-mediated transport to the plasma membrane Golgi vesicle transport inorganic ion homeostasis iron import into cell homeostatic process intracellular iron ion homeostasis intracellular monoatomic cation homeostasis establishment of localization in cell monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis iron ion import across plasma membrane intracellular monoatomic ion homeostasis iron ion transport iron ion transmembrane transport cellular homeostasis chemical homeostasis regulated exocytosis secretion by cell exocytosis secretion export from cell endocytosis response to organic substance response to stimulus response to hormone response to chemical response to endogenous stimulus	membrane-bounded organelle intracellular anatomical structure early endosome endosome intracellular vesicle cellular anatomical entity intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle organelle cytoplasm vesicle transport vesicle membrane-bounded organelle intracellular anatomical structure early endosome endosome intracellular vesicle cellular anatomical entity intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle organelle cytoplasm vesicle transport vesicle trans-Golgi network transport vesicle clathrin-coated vesicle coated vesicle Golgi-associated vesicle Golgi membrane Golgi apparatus membrane bounding membrane of organelle organelle membrane cytosol endosome membrane cytoplasmic vesicle membrane vesicle membrane cell periphery plasma membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B], B [auth A], C	IPR013130	Ferric reductase transmembrane component-like domain	Domain
A [auth B], B [auth A], C	IPR028939	Pyrroline-5-carboxylate reductase, catalytic, N-terminal	Domain
A [auth B], B [auth A], C	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A [auth B], B [auth A], C	Pharos: Q8NFT2	astrocytic tumor glioblastoma large cell medulloblastoma malignant glioma ovarian cancer primitive neuroectodermal tumor atypical teratoid rhabdoid tumor interstitial cystitis lung adenocarcinoma medulloblastoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia subependymal giant cell astrocytoma cystic fibrosis invasive ductal breast carcinoma malignant ependymoma astrocytic tumor glioblastoma large cell medulloblastoma malignant glioma ovarian cancer primitive neuroectodermal tumor atypical teratoid rhabdoid tumor interstitial cystitis lung adenocarcinoma medulloblastoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia subependymal giant cell astrocytoma cystic fibrosis invasive ductal breast carcinoma malignant ependymoma oligodendroglioma Pick disease transitional cell carcinoma

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A [auth B], B [auth A], C	OPM	Transmembrane	Alpha-helical polytopic	Electron transport chain complex II superfamily	Transmembrane ferric reductase

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A [auth B], B [auth A], C	PDBTM	Annotated as membrane protein by PDBTM

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 R01GM133198.